Items where Author is "Jayakumar, T."

Article

Sharma, Govind K. ; Kumar, Anish ; Rao, Babu C. ; Jayakumar, T. ; Raj, Baldev (2013) Short time Fourier transform analysis for understanding frequency dependent attenuation in austenitic stainless steel NDT & E International, 53 . pp. 1-7. ISSN 0963-8695

Sasi, B. ; Cacciola, Matteo ; Rao, Babu C. ; Jayakumar, T. ; Raj, Baldev (2013) Hybrid signal processing approach for enhanced detection of defects in EC-NDE Research in Nondestructive Evaluation, 24 (1). pp. 51-61. ISSN 0934-9847

Mukhopadhyay, C. K. ; Jayakumar, T. ; Raj, Baldev ; Venugopal, S. (2012) Statistical analysis of acoustic emission signals generated during turning of a metal matrix composite Journal of the Brazilian Society of Mechanical Sciences and Engineering, 34 (2). pp. 145-154. ISSN 1678-5878

Lahiri, B. B. ; Bagavathiappan, S. ; Reshmi, P. R. ; Philip, John ; Jayakumar, T. ; Raj, B. (2012) Quantification of defects in composites and rubber materials using active thermography Infrared Physics & Technology, 55 (2-3). pp. 191-199. ISSN 1350-4495

Karthik, V. ; Visweswaran, P. ; Bhushan, Anand ; Pawaskar, D. N. ; Kasiviswanathan, K. V. ; Jayakumar, T. ; Raj, Baldev (2012) Finite element analysis of spherical indentation to study pile-up/sink-in phenomena in steels and experimental validation International Journal of Mechanical Sciences, 54 (1). pp. 74-83. ISSN 0020-7403

Sutha, S. ; Sakthipandi, K. ; Rajendran, V. ; Palanivelu, R. ; Rani, Uma C. ; Jayakumar, T. ; Raj, Baldev (2012) Structural studies of nano silica employing on-line ultrasonic studies Phase Transitions: A Multinational Journal, 85 (7). pp. 565-576. ISSN 0141-1594

Karthik, V. ; Laha, K. ; Parameswaran, P. ; Chandravathi, K. S. ; Kasiviswanathan, K. V. ; Jayakumar, T. ; Baldev Raj, (2011) Tensile properties of modified 9Cr-1Mo steel by shear punch testing and correlation with microstructures International Journal of Pressure Vessels and Piping, 88 (10). pp. 375-383. ISSN 0308-0161

Saravanan, T. ; John, Philip ; Jayakumar, T. ; Baldev Raj, (2011) Improved estimation of density of boron carbide control rods using digital X-ray radiography Insight - Non-Destructive Testing and Condition Monitoring, 53 (5). pp. 258-262. ISSN 1354-2575

Thirunavukkarasu, S. ; Rao, B. P. C. ; Jayakumar, T. ; Baldev Raj, (2011) Techniques for processing remote field eddy current signals from bend regions of steam generator tubes of prototype fast breeder reactor Annals of Nuclear Energy, 38 (4). pp. 817-824. ISSN 0306-4549

Viswanath, A. ; Purna Chandra Rao, B. ; Mahadevan, S. ; Parameswaran, P. ; Jayakumar, T. ; Baldev Raj, (2011) Nondestructive assessment of tensile properties of cold worked AISI type 304 stainless steel using nonlinear ultrasonic technique Journal of Materials Processing Technology, 211 (3). pp. 538-544. ISSN 0924-0136

Sakthipandi, K. ; Rajendran, V. ; Jayakumar, T. ; Baldev Raj, ; Kulandivelu, P. (2011) Synthesis and on-line ultrasonic characterisation of bulk and nanocrystalline La_0.68Sr_0.32MnO₃ perovskite manganite Journal of Alloys and Compounds, 509 (8). pp. 3457-3467. ISSN 0925-8388

Baldev Raj, ; Jayakumar, T. (2011) Development of reduced activation Ferritic-Martensitic steels and fabrication technologies for Indian test blanket module Journal of Nuclear Materials, 417 (1-3). pp. 72-76. ISSN 0022-3115

Barat, P. ; Chatterjee, A. ; Mukherjee, P. ; Gayathri, N. ; Jayakumar, T. ; Baldev Raj, (2010) Microstructural characterization of materials by neural network technique Physics Letters A, 375 (1). pp. 6-10. ISSN 0375-9601

Sosamma, S. ; Kasinathan, M. ; Pandian, C. ; Babu Rao, C. ; Jayakumar, T. ; Murali, N. ; Baldev Raj, (2010) Bond monitoring in temperature-dependent applications by FBG spectra decomposition Insight, 52 (11). pp. 617-619. ISSN 1354-2575

Das, Nilangshu K. ; Jayakumar, T. ; Raj, Baldev (2010) Noniterative digital AC bridge balance IEEE Transactions on Instrumentation and Measurement, 59 (11). pp. 3058-3060. ISSN 0018-9456

Arunmuthu, K. ; Arun Kumar, P. ; Saravanan, T. ; Philip, John ; Jayakumar, T. ; Baldev Raj, (2010) Automatic detection and sizing of pores from radiographic images using the Hough transform Insight, 52 (10). pp. 540-547. ISSN 1354-2575

Sasi, B. ; Rao, B. P. C. ; Jayakumar, T. ; Baldev Raj (2010) Characterisation of solution annealed VT-14 titanium alloy using eddy current based electrical resistivity measurements Transactions of the Indian Institute of Metals, 63 (5). pp. 773-777. ISSN 0972-2815

Nani Babu, M. ; Shashank Dutt, B. ; Venugopal, S. ; Sasikala, G. ; Bhaduri, A. K. ; Jayakumar, T. ; Baldev Raj, (2010) On the anomalous temperature dependency of fatigue crack growth of SS 316(N) weld Materials Science and Engineering A, 527 (20). pp. 5122-5129. ISSN 0921-5093

Mathew, M. D. ; Palanichamy, P. ; Latha, S. ; Jayakumar, T. ; Bhanu Sankara Rao, K. ; Mannan, S. L. ; Baldev Raj, (2010) Microstructural changes in alloy 625 due to creep and characterization using NDE techniques Transactions of the Indian Institute of Metals, 63 (2-3). pp. 449-452. ISSN 0972-2815

Pandian, C. ; Kasinathan, M. ; Sosamma, S. ; Babu Rao, C. ; Jayakumar, T. ; Murali, N. ; Baldev Raj (2010) Single-fiber grid for improved spatial resolution in distributed fiber optic sensor Optics Letters, 35 (10). pp. 1677-1679. ISSN 0146-9592

Rajkumar, K. V. ; Anish, Kumar ; Jayakumar, T. ; Baldev, Raj ; Ray, K. K. (2010) Comprehensive evaluation of aging behavior in M250 grade maraging steel using nondestructive parameters Materials Evaluation, 1 . pp. 69-75. ISSN 0025-5327

Raja, Manoj K. ; Mahadevan, S. ; Rao, B. P. C. ; Behera, S. P. ; Jayakumar, T. ; Raj, Baldev (2010) Influence of crack length on crack depth measurement by an alternating current potential drop technique Measurement Science and Technology, 21 (10). p. 105702. ISSN 0957-0233

Viswanath, A. ; Rao, B. P. C. ; Mahadevan, S. ; Jayakumar, T. ; Baldev Raj (2010) Microstructural characterization of M250 grade maraging steel using nonlinear ultrasonic technique Journal of Materials Science, 45 (24). pp. 6719-6726. ISSN 0022-2461

Mukhopadhyay, C. K. ; Rajkumar, K. V. ; Jayakumar, T. ; Baldev Raj (2010) Study of tensile deformation behaviour of M250 grade maraging steel using acoustic emission Journal of Materials Science, 45 (5). pp. 1371-1384. ISSN 0022-2461

Sasi, B. ; Rao, B. P. C. ; Jayakumar, T. ; Baldev Raj, (2010) Wavelet transform-based denoising method for processing eddy current signals Research in Nondestructive Evaluation, 21 (3). pp. 157-170. ISSN 0934-9847

Pandian, C. ; Sosamma, S. ; Kasinathan, M. ; Babu Rao, C. ; Murali, N. ; Jayakumar, T. ; Baldev Raj, ; Saxena, Manoj Kumar ; Raju, S. D. V. S. J. ; Sharma, Rakesh ; Kher, Sanjay (2009) Identification of a dormant thermally-stimulated defect in an optical fibre using a Raman sensor Insight, 51 (10). pp. 568-569. ISSN 1354-2575

Raghavan, R. ; Shastry, V. V. ; Kumar, A. ; Jayakumar, T. ; Ramamurty, U. (2009) Toughness of as-cast and partially crystallized composites of a bulk metallic glass Intermetallics, 17 (10). pp. 835-839. ISSN 0966-9795

Satyanarayan, L. ; Rajkumar, K. V. ; Sharma, G. K. ; Jayakumar, T. ; Krishnamurthy, C. V. ; Balasubramaniam, Krishnan ; Baldev Raj, (2009) Investigations on imaging and sizing of defects using ultrasonic phased array and the synthetic aperture focusing technique Insight, 51 (7). pp. 384-390. ISSN 1354-2575

Rajendran, V. ; Muthu Kumaran, S. ; Jayakumar, T. ; Palanichamy, P. ; Shankar, P. ; Baldev Raj, (2009) Microstructure and ultrasonic behaviour on thermal heat-treated Al-Li 8090 alloy Journal of Alloys and Compounds, 478 (1-2). pp. 147-153. ISSN 0925-8388

Vageswar, A. ; Balasubramaniam, Krishnan ; Krishnamurthy, C. V. ; Jayakumar, T. ; Baldev Raj, (2009) Periscope infrared thermography for local wall thinning in tubes NDT & E International, 42 (4). pp. 275-282. ISSN 0963-8695

Sasi, B. ; Rao, B. P. C. ; Jayakumar, T. ; Baldev Raj (2009) Development of eddy current test procedure for non-destructive detection of fatigue cracks and corrosion in rivets of air-intake structures Defence Science Journal, 59 (2). pp. 106-112. ISSN 0011-748X

Bagavathiappan, S. ; Siva Sankar, Y. ; Kumar, M. C. S. ; Philip, John ; Jayakumar, T. ; Baldev Raj, (2009) Active infrared thermal imaging for quantitative analysis of defects and delaminations in composite materials Journal of Nondestructive Evaluation, 8 (1). pp. 28-36. ISSN 0195-9298

Bagavathiappan, S. ; Saravanan, T. ; Philip, John ; Jayakumar, T. ; Baldev Raj ; Karunanithi, R. ; Panicker, T. M. R. ; Paul Korath, M. ; Jagadeesan, K. (2009) Infrared thermal imaging for detection of peripheral vascular disorders Journal of Medical Physics, 34 (1). pp. 43-47. ISSN 0971-6203

Baldev Raj, ; Jayakumar, T. ; Philip, John ; Saravanan, T. ; Bagavathiyappan, S. (2009) Infrared thermography Medical Equipment and Automation, 2 (3). pp. 65-67.

Rajkumar, K. V. ; Rajaraman, R. ; Kumar, Anish ; Amarendra, G. ; Jayakumar, T. ; Sundar, C. S. ; Baldev Raj, ; Ray, K. K. (2009) Investigation of microstructural changes in M250 grade maraging steel using positron annihilation Philosophical Magazine, 89 (20). pp. 1597-1610. ISSN 1478-6435

Pandian, C. ; Kasinathan, M. ; Sosamma, S. ; Babu Rao, C. ; Murali, N. ; Jayakumar, T. ; Baldev Raj (2009) One-dimensional temperature reconstruction for Raman distributed temperature sensor using path delay multiplexing Journal of the Optical Society of America B, 26 (12). pp. 2423-2426. ISSN 0740-3224

Satyanarayan, L. ; Kumar, Anish ; Jayakumar, T. ; Krishnamurthy, C. V. ; Balasubramaniam, Krishnan ; Baldev Raj, (2009) Sizing cracks in power plant components using array based ultrasonic techniques Journal of Nondestructive Evaluation, 28 (3-4). pp. 111-124. ISSN 0195-9298

Thirunavukkarasu, S. ; Rao, B. P. C. ; Mahadevan, S. ; Jayakumar, T. ; Baldev Raj, ; Zeng, Zhiwei ; Udpa, Lalita ; Udpa, Satish S. (2009) Three-dimensional finite element modeling of remote field eddy current technique for detection of localized defects Research in Nondestructive Evaluation, 20 (3). pp. 145-158. ISSN 0934-9847

Baldev Raj, ; Jayakumar, T. ; Mahadevan, S. ; Rai, Sanjay K. (2009) X-ray diffraction based residual stress measurements for assessment of fatigue damage and rejuvenation process for undercarriages of aircrafts Journal of Nondestructive Evaluation, 28 (3-4). pp. 157-162. ISSN 0195-9298

Yadav, R. R. ; Mishra, Giridhar ; Yadawa, P. K. ; Kor, S. K. ; Gupta, A. K. ; Baldev Raj, ; Jayakumar, T. (2008) Ultrasonic properties of nanoparticles-liquid suspensions Ultrasonics, 48 (6-7). pp. 591-593. ISSN 0041-624X

Bagavathiappan, S. ; Saravanan, T. ; George, N. P. ; Philip, John ; Jayakumar, T. ; Baldev Raj, (2008) Condition monitoring of exhaust system blowers using infrared thermography Insight, 50 (9). pp. 512-515. ISSN 1354-2575

Saravanan, T. ; Bagavathiappan, S. ; Philip, John ; Jayakumar, T. ; Baldev Raj, (2008) Enhanced sensitivity detection of defects in gas turbine blades of aero-engine and hairpin tubes of heavy water plant using microfocal radiography Insight, 50 (10). pp. 560-563. ISSN 1354-2575

Saravanan, T. ; Bagavathiappan, S. ; Philip, John ; Jayakumar, T. ; Raj, Baldev (2008) Enhanced sensitivity detection of defects in gas turbine blades of aero-engine and hairpin tubes of heavy water plant using microfocal radiography Insight - Non-Destructive Testing and Condition Monitoring, 50 (10). pp. 560-563. ISSN 1354-2575

Muthu Kumaran, S. ; Rajendran, V. ; Jayakumar, T. ; Palanichamy, P. ; Shankar, P. ; Baldev Raj, (2008) First differential of temperature dependent ultrasonic parameters as an effective tool for identifying precipitation reactions in a slow heat-treated 8090 Al-Li alloy Journal of Alloys and Compounds, 464 (1-2). pp. 150-156. ISSN 0925-8388

Laskar, J. M. ; Bagavathiappan, S. ; Sardar, M. ; Jayakumar, T. ; Philip, John ; Baldev Raj, (2008) Measurement of thermal diffusivity of solids using infrared thermography Materials Letters, 62 (17-18). pp. 2740-2742. ISSN 0167-577X

Arunmuthu, K. ; Arun Kumar, P. ; Saravanan, T. ; Philip, John ; Jayakumar, T. ; Baldev Raj, (2008) Image processing of radiographs of tube-to-tubesheet weld joints for enhanced detectability of defects Insight, 50 (6). pp. 298-303. ISSN 1354-2575

Thirunavukkarasu, S. ; Rao, B. P. C. ; Vaidyanathan, S. ; Jayakumar, T. ; Baldev Raj, (2008) Influence of sodium deposits in steam generator tubes on remote field eddy current signals International Journal of Pressure Vessels and Piping, 85 (4). pp. 211-218. ISSN 0308-0161

Rao, B. P. C. ; Thirunavukkarasu, S. ; Krishna Nand, K. ; Jayakumar, T. ; Kalyanasundaram, P. ; Baldev Raj, (2008) Enhancement of magnetic flux leakage images of defects in carbon steel using Eigen vector based approach Nondestructive Testing and Evaluation, 23 (1). pp. 35-42. ISSN 1058-9759

Bagavathiappan, S. ; Saravanan, T. ; Philip, J. ; Jayakumar, T. ; Raj, B. ; Karunanithi, R. ; Panicker, T. M. ; Korath, P. ; Jagadeesan, K. (2008) Investigation of peripheral vascular disorders using thermal imaging The British Journal of Diabetes & Vascular Disease, 8 (2). pp. 102-104. ISSN 1474-6514

Bagavathiappan, S. ; Saravanan, T. ; Philip, John ; Jayakumar, T. ; Baldev Raj, ; Karunanithi, R. ; Panicker, T. M. R. ; Paul Korath, M. ; Jagadeesan, K. (2008) Investigation of peripheral vascular disorders using thermal imaging technique British Journal of Diabetes & Vascular Disease, 8 (2). pp. 102-104. ISSN 1474-6514

Sharatchandra Singh, W. ; Rao, B. P. C. ; Vaidyanathan, S. ; Jayakumar, T. ; Baldev Raj, (2008) Detection of leakage magnetic flux from near-side and far-side defects in carbon steel plates using a giant magneto-resistive sensor Measurement Science and Technology, 19 (1). 015702. ISSN 0957-0233

Saravanan, T. ; Bagavathiappan, S. ; Philip, John ; Jayakumar, T. ; Baldev Raj, (2008) Estimation of density variation in vibrocompacted boron carbide capsules by X-ray radiography Materials Evaluation, 66 (11). pp. 1189-1193. ISSN 0025-5327

Mandal, Sumantra ; Mishra, S. K. ; Kumar, Anish ; Samajdar, I. ; Sivaprasad, P. V. ; Jayakumar, T. ; Baldev Raj, (2008) Evolution and characterization of dynamically recrystallized microstructure in a titanium-modified austenitic stainless steel using ultrasonic and EBSD techniques Philosophical Magazine, 88 (6). pp. 883-897. ISSN 1478-6435

Kumar, Anish ; Rajkumar, K. V. ; Sharma, G. K. ; Dayalan, K. B. ; Venkatachalapathy, V. ; Jayakumar, T. ; Pillai, C. S. ; Kannan, S. E. ; Baldev Raj, (2008) Impact echo and low frequency ultrasonic testing for assessment of damage to concrete blocks exposed to sodium fire Materials Evaluation, 66 (11). pp. 1182-1188. ISSN 0025-5327

Kumar, Anish ; Jayakumar, T. ; Babu Rao, C. ; Sharma, Govind K. ; Rajkumar, K. V. ; Baldev Raj (2008) Nondestructive characterization of musical pillars of Kahamandapam of Vitthala Temple at Hampi, India Journal of the Acoustical Society of America, 124 (2). pp. 911-917. ISSN 0001-4966

Kumar, Anish ; Jayakumar, T. ; Rao, Babu C. ; Sharma, Govind K. ; Rajkumar, K. V. ; Raj, Baldev ; Arundhati, P. (2008) Nondestructive characterization of musical pillars of Mahamandapam of Vitthala Temple at Hampi, India The Journal of the Acoustical Society of America, 124 (2). p. 911. ISSN 0001-4966

Mahadevan, S. ; Jayakumar, T. ; Rao, B. P. C. ; Kumar, Anish ; Rajkumar, K. V. ; Baldev Raj, (2008) X-ray diffraction profile analysis for characterizing isothermal aging behavior of M250 grade maraging steel Metallurgical and Materials Transactions A, 39 (8). pp. 1978-1984. ISSN 1073-5623

Kumar, A. ; Jayakumar, T. ; Raj, B. ; Banerjee, D. (2008) A new methodology for identification of β-transus temperature in α+ β and β titanium alloys using ultrasonic velocity measurements Philosophical Magazine, 88 (3). pp. 327-338. ISSN 1478-6435

Saravanan, T. ; Bagavathiappan, S. ; Philip, John ; Jayakumar, T. ; Baldev Raj, (2007) Improved estimation of radial and axial gap of fuel pins from radiography images using image processing tools Insight, 49 (12). pp. 701-707. ISSN 1354-2575

Johan Singh, P. ; Mukhopadhyay, C. K. ; Jayakumar, T. ; Mannan, S. L. ; Baldev Raj, (2007) Understanding fatigue crack propagation in AISI 316 (N) weld using Elber's crack closure concept: experimental results from GCMOD and acoustic emission techniques International Journal of Fatigue, 29 (12). pp. 2170-2179. ISSN 0142-1123

Rao, B. P. C. ; Thirunavukkarasu, S. ; Jayakumar, T. ; Baldev Raj, (2007) An approach for stringent quality assurance of steam generator tubes Insight, 49 (12). pp. 698-700. ISSN 1354-2575

Mandal, S. ; Kumar, A. ; Sivaprasad, P. V. ; Jayakumar, T. ; Raj , B. (2007) Characterization of microstructural evolution during thermomechanical processing of a 15Cr-15Ni-2.2Mo-Ti modified austenitic stainless steel (alloy D9) using ultrasonic measurements Materials Science and Technology, 23 (11). pp. 1381-1386. ISSN 0267-0836

Saravanan, T. ; Bagavathiappan, S. ; Philip, John ; Jayakumar, T. ; Baldev Raj, (2007) Segmentation of defects from radiography images by the histogram concavity threshold method Insight, 49 (10). pp. 578-584. ISSN 1354-2575

Rajkumar, K. V. ; Rao, B. P. C. ; Sasi, B. ; Kumar, Anish ; Jayakumar, T. ; Baldev Raj, ; Ray, K. K. (2007) Characterization of aging behaviour in M250 grade maraging steel using eddy current non-destructive methodology Materials Science and Engineering A, 464 (1-2). pp. 233-240. ISSN 0921-5093

Gnanaprakash, G. ; Philip, John ; Jayakumar, T. ; Baldev Raj, (2007) Effect of digestion time and alkali addition rate on physical properties of magnetite nanoparticles Journal of Physical Chemistry B, 111 (28). pp. 7978-7986. ISSN 1089-5647

Mahadevan, S. ; Gnanaprakash, G. ; Philip, J. ; Rao, B. P. C. ; Jayakumar, T. ; Baldev Raj, (2007) X-ray diffraction-based characterization of magnetic nanoparticles in presence of goethite and correlation with magnetic properties Physica E: Low-dimensional Systems and Nanostructures, 39 (1). pp. 20-25. ISSN 1386-9477

Nishara Begum, A. ; Rajendran, V. ; Jayakumar, T. ; Palanichamy, P. ; Priyadharsini, N. ; Aravindan, S. ; Baldev Raj, (2007) On-line ultrasonic velocity measurements for characterisation of microstructural evaluation during thermal aging of β-quenched zircaloy-2 Materials Characterization, 58 (6). pp. 563-570. ISSN 1044-5803

Gnanaprakash, G. ; Mahadevan, S. ; Jayakumar, T. ; Kalyanasundaram, P. ; Philip, John ; Baldev Raj, (2007) Effect of initial pH and temperature of iron salt solutions on formation of magnetite nanoparticles Materials Chemistry and Physics, 103 (1). pp. 168-175. ISSN 0254-0584

Rajkumar, K. V. ; Vaidyanathan, S. ; Kumar, Anish ; Jayakumar, T. ; Baldev Raj, ; Ray, K. K. (2007) Characterization of aging-induced microstructural changes in M250 maraging steel using magnetic parameters Journal of Magnetism and Magnetic Materials, 312 (2). pp. 359-365. ISSN 0304-8853

Sharma, Govind K. ; Kumar, Anish ; Rajkumar, K .V. ; Sahu, Manjulata ; Jayakumar, T. ; Nagraj, S. ; Joseph, Kitheri ; Raj, Baldev (2007) Ultrasonic spectral analysis methodology for thickness mapping of electrochemical hydrogen meter thimbles Materials Evaluation, 65 (4). pp. 417-422. ISSN 0025-5327

Rajkumar, K. V. ; Kumar, Anish ; Jayakumar, T. ; Baldev Raj, ; Ray, K. K. (2007) Characterization of aging behavior in M250 grade maraging steel using ultrasonic measurements Metallurgical and Materials Transactions A, 38 (2). pp. 236-243. ISSN 1073-5623

Mukhopadhyay, C. K. ; Venugopal, S. ; Jayakumar, T. ; Mannan, S. L. ; Baldev Raj, ; Chatterji, B. ; Srinivasan, R. ; Gopalakrishnan, V. ; Madhusudan, G. ; Tripathi, R. S. (2007) Acoustic emission (AE) monitoring of open die and closed die forging processes of Al alloy Materials and Manufacturing Processes, 22 (7-8). pp. 887-892. ISSN 1042-6914

Rajkumar, K. V. ; Kumar, Anish ; Jayakumar, T. ; Baldev Raj, ; Ray, K. K. (2007) Characterization of ageing behaviour in M250 grade maraging steel using ultrasonic measurements Metallurgical and Materials Transactions A, 38 (2). pp. 236-243. ISSN 1073-5623

Sosamma, S. ; Babu Rao, C. ; Jayakumar, T. ; Prasad, M. V. R. ; Krishnan, R. ; Baldev Raj, (2007) Development of X-ray fluorescence based methodology for quality control of zari used in silk sarees Journal of Non-Destructive Testing and Evaluation, 5 (1). pp. 18-22.

Philip, John ; Gnanaprakash, G. ; Panneerselvam, G. ; Antony, M. P. ; Jayakumar, T. ; Baldev Raj, (2007) Effect of thermal annealing under vacuum on the crystal structure, size, and magnetic properties of ZnFe₂O₄ nanoparticles Journal of Applied Physics, 102 (5). pp. 054305_1-054305_6. ISSN 0021-8979

Kalyanasundaram, P. ; Thirunavukkarasu, S. ; Rao, B. P. C. ; Jayakumar, T. ; Baldev Raj, (2007) Eigenvalue-based approach for enhancement of eddy current images of shallow defects Research in Nondestructive Evaluation, 18 (1). pp. 13-21. ISSN 0934-9847

Krishna Nand, K. ; Rao, B. P. C. ; Jayakumar, T. ; Baldev Raj, (2007) Novel wavelet transform based approaches to process eddy current signals from stainless steel cladding tubes Journal of Non-Destructive Testing and Evaluation, 6 (10). pp. 41-50.

Gnanaprakash, G. ; Ayyappan, S. ; Jayakumar, T. ; Philip, John ; Baldev Raj, (2006) Magnetic nanoparticles with enhanced λ-Fe₂O₃ to α-Fe₂O₃ phase transition temperature Nanotechnology, 17 (23). pp. 5851-5857. ISSN 0957-4484

Muthu Kumaran, S. ; Priyadharsini, N. ; Rajendran, V. ; Jayakumar, T. ; Palanichamy, P. ; Shankar, P. ; Baldev Raj, (2006) In situ high temperature ultrasonic evaluation for on-line characterisation of fine scale precipitation reactions in 8090 Al-Li alloy Materials Science and Engineering A, 435-436 . pp. 29-39. ISSN 0921-5093

Menaka, M. ; Bagavathiappan, S. ; Venkatraman, B. ; Jayakumar, T. ; Baldev Raj, (2006) Characterisation of adhesively bonded laminates using radiography and infrared thermal imaging techniques Insight, 48 (10). pp. 606-612. ISSN 1354-2575

Bagavathiappan, S. ; Saravanan, T. ; Philip, John ; Venkatraman, B. ; Jayakumar, T. ; Baldev Raj, (2006) X-ray radiography for development of defect-free electrochemical hydrogen meter for sodium systems Insight, 48 (10). pp. 597-602. ISSN 1354-2575

Shaikh, H. ; Sivaibharasi, N. ; Sasi, B. ; Anita, T. ; Amirthalingam, R. ; Rao, B. P. C. ; Jayakumar, T. ; Khatak, H. S. ; Baldev Raj (2006) Use of eddy current testing method in detection and evaluation of sensitisation and intergranular corrosion in austenitic stainless steels Corrosion Science, 48 (6). pp. 1462-1482. ISSN 0010-938X

Kumar, Anish ; Rajkumar, K. V. ; Jayakumar, T. ; Baldev Raj, ; Mishra, B. (2006) Ultrasonic measurements for in-service assessment of wrought Inconel 625 cracker tubes of heavy water plants Journal of Nuclear Materials, 350 (3). pp. 284-292. ISSN 0022-3115

Baldev Raj, ; Mukhopadhyay, C. K. ; Jayakumar, T. (2006) Frontiers in NDE research nearing maturity for exploitation to ensure structural integrity of pressure retaining components International Journal of Pressure Vessels and Piping, 83 (5). pp. 322-335. ISSN 0308-0161

Mukhopadhyay, C. K. ; Venugopal, S. ; Jayakumar, T. ; Nagarajan, R. ; Mannan, S. L. ; Baldev Raj, (2006) Acoustic emission monitoring during turning of metal matrix composite and tool wear Materials Evaluation, 64 (3). pp. 323-330. ISSN 0025-5327

Mukhopadhyay, C. K. ; Venugopal, S. ; Jayakumar, T. ; Nagarajan, R. ; Mannan, S. L. ; Baldev Raj, (2006) Acoustic emission technique for monitoring machining and tool wear of a metal matrix composite Journal of Nondestructive Testing and Evaluation, 5 (1). pp. 42-46.

Mukhopadhyay, C. K. ; Jayakumar, T. ; Baldev Raj, (2006) Application of non-destructuve evaluation techniques for conditioning moniroting of components and plants. Part 1: Vibration and Acoustic Emission Techniques International Journal of COMADEM, 9 . p. 23. ISSN 1363-7681

Rajasekhar, P. ; Bhat, M. R. ; Murthy, C. R. L. ; Phaniraj, C. ; Jayakumar, T. ; Baldev Raj, (2006) Discrimination of nuclear grade steel samples subjected to different heat treatment procedures based on acoustic emission (AE) data profiling at crack initiation Proceedings National Seminar on Non-destructive Evaluation . pp. 339-346.

Kumar, Anish ; Jayakumar, T. ; Baldev Raj, (2006) Influence of precipitation of intermetallics on Young's modulus in nickel and zirconium base alloys Philosophical Magazine Letters, 86 (9). pp. 579-587. ISSN 0950-0839

Mukhopadhyay, C. K. ; Venugopal, S. ; Jayakumar, T. ; Mannan, S. L. ; Baldev Raj, ; Chatterji, B. ; Srinivasan, R. ; Gopalakrishnan, V. ; Madhusudan, G. ; Tripathi, R. S. (2006) Optimization of positioning of an acoustic emission sensor for monitoring hot forging Materials and Manufacturing Processes, 21 (5). pp. 543-549. ISSN 1042-6914

Baby, Sony ; Rajkumar, K. V. ; Subbaratnam, R. ; Balasubramanian, T. ; Pardikar, R. J. ; Jayakumar, T. ; Raj, Baldev (2006) Time of flight diffraction and synthetic aperture focusing technique for NDT of weldments Materials Evaluation, 64 (11). pp. 1089-1096. ISSN 0025-5327

Vasudevan, M. ; Rao, B. P. C. ; Venkatraman, B. ; Jayakumar, T. ; Baldev Raj, (2005) Artificial neural network modelling for evaluating austenitic stainless steel and Zircaloy-2 welds Journal of Materials Processing Technology, 169 (3). pp. 396-400. ISSN 0924-0136

Gopalan, P. ; Rajaraman, R. ; Amarendra, G. ; Sundar, C. S. ; Viswanathan, B. ; Jayakumar, T. ; Palanichamy, P. ; Raj, B. (2005) Characterisation of β-quenched and thermally aged Zircaloy-2 by positron annihilation, hardness and ultrasonic velocity measurements Journal of Nuclear Materials, 345 (2-3). pp. 162-166. ISSN 0022-3115

Baldev Raj ; Kalyanasundaram, P. ; Jayakumar, T. ; Babu Rao, C. ; Venkataraman, B. ; Kamachi Mudali, U. ; Joseph, A. ; Kumar, Anish ; Rajkumar, K. V. (2005) Nondestructive evaluation of Delhi Iron Pillar Current Science, 88 (12). pp. 1948-1956. ISSN 0011-3891

Venkataraman, B. ; Menaka, M. ; Karthik, V. ; Jayakumar, T. ; Raj, Baldev (2005) Characterization of tensile deformation process in mild steel by infrared imaging Journal of Nondestructive Testing and Evaluation, 4 (1). pp. 17-25.

Jayakumar, T. ; Mukhopadhyay, C. K. ; Venugopal, S. ; Mannan, S. L. ; Baldev Raj, (2005) A review of the application of acoustic emission techniques for monitoring forming and grinding processes Journal of Materials Processing Technology, 159 (1). pp. 48-61. ISSN 0924-0136

Baldev Raj ; Jayakumar, T. ; Vaidyanathan, S. (2005) Magnetic Barkhausen emission analysis for assessment of microstructures and damage Insight, 47 (1). pp. 36-41. ISSN 1354-2575

Mukhopadhyay, C. K. ; Ramaseshu, Y. ; Naidu, B. V. ; Jayakumar, T. ; Kalyanasundaram, P. ; Baldev Raj, (2005) Acoustic emission monitoring during hydrotesting of evaporator steam generator of Prototype Fast Breeder Reactor Journal of Nondestructive Testing and Evaluation, 4 (1). pp. 55-64.

Palanichamy, P. ; Vasudevan, M. ; Shankar, P. ; Jayakumar, T. ; Baldev Raj, (2005) Advanced ultrasonic NDE for comprehensive microstructural characterization in nuclear structural materials Journal of Nondestructive Testing and Evaluation, 4 (1). pp. 47-54.

Raj, Baldev ; Jayakumar, T. ; Mukhopadhyay, C. K. (2005) Damage assesment using NDE techniques current scenario and directions Transactions of the Indian Institute of Metals, 58 (2 & 3). pp. 141-157. ISSN 0972-2815

Kumar, Anish ; Rajkumar, K. V. ; Palanichamy, P. ; Jayakumar, T. ; Patankar, V. H. ; Joshi, V. M. ; Lande, B. K. ; Chellapandian, R. ; Kasiviswanathan, K. V. ; Baldev Raj (2005) Development and application of C - scan ultrasonic facility BARC Newsletter, 285 . pp. 49-58. ISSN 0976-2108

Vaidyanathan, S. ; Thirunavukkarasu, S. ; Rao, B. P. C. ; Jayakumar, T. ; Kalyanasundaram, P. ; Baldev Raj (2005) Development of remote field eddy current technique for in-service inspection of ferromagnetic steam generator tubes Journal of Non-Destructive Testing & Evaluation, 4 (1). pp. 26-30.

Rajendran, V. ; Muthu Kumaran, S. ; Jayakumar, T. ; Palanichamy, P. ; Baldev Raj, (2005) Ultrasonic studies for microstructural characterization in Al8090 aluminium-lithium alloy Materials Evaluation, 63 (8). pp. 837-842. ISSN 0025-5327

Rajendran, V. ; Muthukumaran, S. ; Jayakumar, T. ; Palanichamy, P. ; Raj, Baldev (2005) Ultrasonic studies for microstructural characterization of A98090 aluminum-lithium alloy Materials Evaluation, 63 (8). pp. 837-842. ISSN 0025-5327

Thirunavukkarasu, S. ; Vaidyanathan, S. ; Rao, B. P. C. ; Mahendran, K. H. ; Jayakumar, T. ; Kalyanasundaram, P. ; Baldev Raj, (2004) ECT: development of eddy current non-destructive testing procedure for quality control of thin-walled nickel tubes Insight, 46 (9). pp. 533-536. ISSN 1354-2575

Rai, Sanjay K. ; Kumar, Anish ; Shankar, Vani ; Jayakumar, T. ; Bhanu Sankara Rao, K. ; Baldev Raj, (2004) Characterization of microstructures in Inconel 625 using X-ray diffraction peak broadening and lattice parameter measurements Scripta Materialia, 51 (1). pp. 59-63. ISSN 1359-6462

Baby, Sony ; Balasubramanian, T. ; Pardikar, R. J. ; Jayakumar, T. ; Rajkumar, K. V. ; Baldev Raj (2004) Sizing of cracks embedded in sub-cladding using the ultrasonic synthetic aperture focusing technique (SAFT) Insight, 46 (1). pp. 26-30. ISSN 1354-2575

Venkataraman, B. ; Saravanan, T. ; Jayakumar, T. ; Kalyanasundaram, P. ; Raj, Baldev (2004) Assessment of weld joints of steam generator of prototype fast breeder reactor by microfocal radiography CINDE Journal, 25 . pp. 31-35.

Baldev Raj, ; Jayakumar, T. ; Kumar, Anish (2004) NDE of titanium alloys Transactions of the Indian Institute of Metals, 57 (1). pp. 13-24. ISSN 0019-493X

Mukhopadhyay, C. K. ; Jayakumar, T. ; Raj, Baldev (2004) Nondestructive evaluation techniques for condition monitoring of components and plants Journal of The Institution of Engineers (India): Mechanical, 85 . pp. 144-156.

Thirunavukkarasu, S. ; Rao, B. P. C. ; Jayakumar, T. ; Kalyanasundaram, P. ; Raj, Baldev (2004) Quantitative eddy current testing using radial basis function neural networks Materials Evaluation, 62 (12). pp. 1213-1217. ISSN 0025-5327

Kumar, Anish ; Jayakumar, T. ; Baldev Raj, ; Ray, K. K. (2003) Characterization of solutionizing behavior in VT14 titanium alloy using ultrasonic velocity and attenuation measurements Materials Science and Engineering A, 360 (1-2). pp. 58-64. ISSN 0921-5093

Baldev Raj ; Moorthy, V. ; Jayakumar, T. ; Bhanu Sankara Rao, K. (2003) Assessment of microstructures and mechanical behaviour of metallic materials through non-destructive characterisation International Materials Reviews, 48 (5). pp. 273-325. ISSN 0950-6608

Rajendran, V. ; Muthu Kumaran, S. ; Sivasubramanian, V. ; Jayakumar, T. ; Baldev Raj, (2003) Anomalies in ultrasonic velocity and attenuation in Nd_0.67Sr_0.33MnO₃ perovskite Physica B: Condensed Matter, 336 (3-4). pp. 261-266. ISSN 0921-4526

Kumar, A. ; Jayakumar, T. ; Baldev Raj, ; Ray, K. K. (2003) Characterisation of the metallurgical condition of titanium alloys by ultrasonic measurements Insight, 45 (7). pp. 484-487. ISSN 1354-2575

Kumar, Anish ; Jayakumar, T. ; Baldev Raj, ; Ray, K. K. (2003) Correlation between ultrasonic shear wave velocity and Poisson's ratio for isotropic solid materials Acta Materialia, 51 (8). pp. 2417-2426. ISSN 1359-6454

Kumar, Anish ; Choudhary, B. K. ; Jayakumar, T. ; Bhanu Sankara Rao, K. ; Baldev Raj (2003) Characterisation of long term aging behaviour of 9Cr-1Mo ferritic steel using ultrasonic velocity Materials Science and Technology, 19 (5). pp. 637-641. ISSN 0267-0836

Rajendran, V. ; Muthu Kumaran, S. ; Sivasubramanian, V. ; Jayakumar, T. ; Baldev Raj, (2003) Anomalies in elastic moduli and ultrasonic attenuation near ferromagnetic transition temperature in La_0.67Sr_0.33MnO₃ perovskite Physica Status Solidi A, 195 (2). pp. 350-358. ISSN 0031-8965

Singh, Manjit ; Joshi, V. M. ; Patankar, V. H. ; Vaidyanathan, S. ; Rao, B. P. C. ; Jayakumar, T. ; Srivastava, G. P. ; Kasiviswanathan, K. V. ; Rajagopalan, C. ; Baldev Raj, (2003) Developments in instrumentation and automation for NDE applications: in-house experience in the Department of Atomic Energy Insight, 45 (1). pp. 73-86. ISSN 1354-2575

Baldev Raj, ; Palanichamy, P. ; Jayakumar, T. (2003) Science and technology of non-destructive testing, evaluation and characterisation Insight, 45 (1). pp. 15-30. ISSN 1354-2575

Singh Raman, R. K. ; Jayakumar, T. ; Baldev Raj, (2003) Advanced non-destructive examination of surfaces/sub-surfaces: application to corrosion and coatings Proceedings of the Corrosion Control & NDT Conference, Melbourne, Australia . pp. 24-26.

Philip, John ; Gnanaprakash, G. ; Jayakumar, T. ; Kalyanasundaram, P. ; Raj, B. (2003) Three distinct scenarios under polymer, surfactant, and colloidal interaction Macromolecules, 36 (24). pp. 9230-9236. ISSN 0024-9297

Kumar, Anish ; Jayakumar, T. ; Baldev Raj, ; Ray, K. K. (2003) Ultrasonic time domain techniaque for frequency dependent attenuation measurement for microstructural characterization of a titanium alloy Materials Evaluation, 61 (12). pp. 1321-1326. ISSN 0025-5327

Philip, John ; Jayakumar, T. ; Baldev Raj, (2002) Laser based etching technique for metallography and ceramography Materials Science and Engineering A, 338 (1-2). pp. 17-23. ISSN 0921-5093

Mukhopadhyay, C. K. ; Jayakumar, T. ; Raj, B. ; Ray, K. K. (2002) Correlation of acoustic emission with stress intensity factor and plastic zone size for notched tensile specimens of AISI type 304 stainless steel Materials Science and Technology, 18 (10). pp. 1133-1141. ISSN 0267-0836

Kumar, Anish ; Shankar, Vani ; Jayakumar, T. ; Bhanu Sankara Rao, K. ; Baldev Raj (2002) Correlation of microstructure and mechanical properties with ultrasonic velocity in the Ni-based superalloy Inconel 625 Philosophical Magazine Part A, 82 (13). pp. 2529-2545. ISSN 0141-8610

Rao, B. P. C. ; Raj, B. ; Jayakumar, T. ; Kalyanasundaram, P. (2002) An artificial neural network for eddy current testing of austenitic stainless steel welds NDT & E International, 35 (6). pp. 393-398. ISSN 0963-8695

Kumar, Anish ; Baldev Raj, ; Kalyanasundaram, P. ; Jayakumar, T. ; Thavasimuthu, M. (2002) Structural integrity assessment of the containment structure of a pressurised heavy water nuclear reactor using impact echo technique NDT & E International, 35 (4). pp. 213-220. ISSN 0963-8695

Philip, John ; Kiran, R. ; Jayakumar, T. ; Kalyanasundaram, P. ; Raj, Baldev (2002) Recent advances in understanding magnetic emulsion stability Indian Journal of Pure & Applied Physics, 40 . pp. 370-374. ISSN 0019-5596

Kumar, Anish ; Laha, K. ; Jayakumar, T. ; Bhanu Sankara Rao, K. ; Baldev Raj, (2002) Comprehensive microstructural characterization in modified 9Cr-1Mo ferritic steel by ultrasonic measurements Metallurgical and Materials Transactions A, 33 (6). pp. 1617-1626. ISSN 1073-5623

Venkataraman, B. ; Saravanan, T. ; Jayakumar, T. ; Kalyansundaram, P. ; Baldev Raj, (2002) Detection of wall thinning in tube to tubesheet welds of steam generator by microfocal radiography Journal of Non-Destructive Testing and Evaluation, 2 (1). pp. 19-24.

Kumar, Anish ; Shankar, V. ; Jayakumar, T. ; Vasudevan, M. ; Baldev Raj, (2002) Nondestructive measurement of coating thickness using through thickness ultrasonic velocity measurements Materials Evaluation, 60 (6). pp. 791-794. ISSN 0025-5327

Rao, B. ; Raj, B. ; Jayakumar, T. (2002) Using artificial neural networks to quantify discontinuities in Eddy current testing Materials Evaluation, 60 (1). pp. 84-88. ISSN 0025-5327

Rao, B. P. C. ; Baldev Raj, ; Jayakumar, T. ; Kalyanasundaram, P. (2002) An artificial neural network for online eddy current testing Materials Evaluation, 60 . pp. 84-88. ISSN 0025-5327

Shankar, P. ; Palanichamy, P. ; Jayakumar, T. ; Baldev Raj, ; Ranganathan, S. (2001) Nitrogen redistribution, microstructure, and elastic constant evaluation using ultrasonics in aged 316LN stainless steels Metallurgical and Materials Transactions A, 32 (12). pp. 2959-2968. ISSN 1073-5623

Rajendran, V. ; Palanivelu, N. ; Palanichamy, P. ; Jayakumar, T. ; Baldev Raj, ; Chaudhuri, B. K. (2001) Ultrasonic characterisation of ferroelectric BaTiO₃ doped lead bismuth oxide semiconducting glasses Journal of Non-Crystalline Solids, 296 (1-2). pp. 39-49. ISSN 0022-3093

Palanichamy, P. ; Mathew, M. D. ; Latha, S. ; Jayakumar, T. ; Bhanu Sankara Rao, K. ; Mannan, S. L. ; Baldev Raj, (2001) Assessing microstructural changes in alloy 625 using ultrasonic waves and correlation with tensile properties Scripta Materialia, 45 (9). pp. 1025-1030. ISSN 1359-6462

Rao, B. P. C. ; Baldev Raj, ; Jayakumar, T. ; Kalyanasundaram, P. ; Arnold, W. (2001) A new approach for restoration of eddy current images Journal of Nondestructive Evaluation, 20 (2). pp. 61-72. ISSN 0195-9298

Murugan, S. ; Rai, Sanjai K. ; Kumar, P. V. ; Jayakumar, T. ; Baldev Raj, ; Bose, M. S. C. (2001) Temperature distribution and residual stresses due to multipass welding in type 304 stainless steel and low carbon steel weld pads International Journal of Pressure Vessels and Piping, 78 (4). pp. 307-317. ISSN 0308-0161

Rao, B. P. C. ; Jayakumar, T. ; Baldev Raj, ; Arnold, W. (2001) Nondestructive characterization of martensite in AISI type 304 stainless steel using SQUID and MBN methods Journal of Nondestructive Evaluation, 21 (1). pp. 38-43. ISSN 0195-9298

Baldev, R. ; Jayakumar, T. ; Moorthy, V. ; Vaidyanathan, S. (2001) Characterisation of microstructures, deformation, and fatigue damage in different steels using Magnetic Barkhausen Emission technique Russian Journal of Nondestructive Testing, 37 (11). pp. 789-798. ISSN 1061-8309

Kumar, Anish ; Laha, K. ; Jayakumar, T. ; Bhanu Sankara Rao, K. ; Baldev Raj, (2001) Imaging of modified 9Cr-1Mo ferritic steel weldment via ultrasonic velocity measurements Science and Technology of Welding & Joining, 6 (6). pp. 383-386. ISSN 1362-1718

Rao, B. P. C. ; Baldev Raj, ; Jayakumar, T. ; Kalyanasundaram, P. (2001) An intelligent imaging scheme for automated eddy current testing Nondestructive Testing and Evaluation, 17 (1). pp. 41-57. ISSN 1058-9759

Baldev Raj ; Kamachi Mudali, U. ; Jayakumar, T. ; Kasiviswanathan, K. V. ; Natarajan, R. (2000) Meeting the challenges related to material issues in chemical industries Sadhana (Academy Proceedings in Engineering Sciences), 25 (6). pp. 519-559. ISSN 0256-2499

Moorthy, V. ; Vaidyanathan, S. ; Jayakumar, T. ; Raj, Baldev (2000) Microstructural characterization of tempered and deformed ferritic steels using magnetic Barkhausen emission technique Journal of Non Destructive Evaluation, 20 (4). pp. 33-39.

Mukhopadhyay, C. K. ; Jayakumar, T. ; Baldev Raj, ; Ray, K. K. (2000) Acoustic emission-stress intensity factor relations for tensile deformation of notched specimens of AISI type 304 stainless steel Materials Science and Engineering A, 293 (1-2). pp. 137-145. ISSN 0921-5093

Philip, J. ; Rao, C. B. ; Jayakumar, T. ; Raj, B. (2000) A new optical technique for detection of defects in ferromagnetic materials and components NDT & E International, 33 (5). pp. 289-295. ISSN 0963-8695

Palanichamy, P. ; Vasudevan, M. ; Jayakumar, T. ; Venugopal, S. ; Raj, B. (2000) Ultrasonic velocity measurements for characterizing the annealing behaviour of cold worked austenitic stainless steel NDT & E International, 33 (4). pp. 253-259. ISSN 0963-8695

Moorthy, V. ; Choudhary, B. K. ; Vaidyanathan, S. ; Jayakumar, T. ; Rao, K. B. S. ; Raj, B. (2000) Identification of different stages of low cycle fatigue damage using magnetic Barkhausen emission in 9Cr-1Mo ferritic steel Transactions of the Indian Institute of Metals, 53 (3). pp. 347-352. ISSN 0019-493X

Moorthy, V. ; Vaidyanathan, S. ; Baldev Raj, ; Jayakumar, T. ; Kashyap, B. P. (2000) Insight into the microstructural characterization of ferritic steels using micromagnetic parameters Metallurgical and Materials Transactions A, 31 (4). pp. 1053-1065. ISSN 1073-5623

Vaidyanathan, S. ; Moorthy, V. ; Jayakumar, T. ; Raj, B. (2000) Evaluation of induction hardened case depth through microstructural characterisation using magnetic Barkhausen emission technique Materials Science and Technology, 16 (2). pp. 202-208. ISSN 0267-0836

Mukhopadhyay, C. K. ; Jayakumar, T. ; Baldev Raj, ; Ray, K. K. (2000) The influence of notch on the acoustic emission generated during tensile testing of nuclear grade AISI type 304 stainless steel Materials Science and Engineering A, 276 (1-2). pp. 83-90. ISSN 0921-5093

Choudhary, B. K. ; Rai, Sanjai K. ; Jayakumar, T. ; Bhanu Sankara Rao, K. ; Baldev Raj, (2000) Assessment of LCF damage in 9Cr-1Mo ferritic steel at 300 K using XRD technique Transactions of the Indian Institute of Metals, 53 (3). pp. 353-359. ISSN 0972-2815

Kumar, Anish ; Choudhary, B. K. ; Jayakumar, T. ; Bhanu Sankara Rao, K. ; Baldev Raj, (2000) Influence of thermal ageing and creep on ultrasonic velocity in 9Cr-1Mo ferritic steel Transactions of the Indian Institute of Metals, 53 (3). pp. 341-345. ISSN 0019-493X

Kumar, Anish ; Jayakumar, T. ; Baldev Raj, (2000) Ultrasonic spectral analysis for microstructural characterization of austenitic and ferritic steels Philosophical Magazine A, 80 (11). pp. 2469-2487. ISSN 0141-8610

Chaudhary, B. K. ; Rai, Sanjay ; Jayakumar, T. ; Rao, Bhanu Sankara K. ; Raj, Baldev (2000) An assessment of low cycle fatigue damage in 9Cr-1Mo ferritic steel at 300 K using x-ray diffraction technique Transactions of the Indian Institute of Metals, 53 (3). pp. 353-359. ISSN 0972-2815

Vaidyanathan, S. ; Moorthy, V. ; Kalyanasundaram, P. ; Jayakumar, T. ; Baldev Raj, (1999) Effect of different stages of tensile deformation on micromagnetic parameters in high-strength, low-alloy steel Metallurgical and Materials Transactions A, 30 (8). pp. 2067-2072. ISSN 1073-5623

Jayakumar, T. ; Muralidharan, N. G. ; Raghu, N. ; Kasiviswanathan, K. V. ; Baldev Raj (1999) Failure analysis towards reliable performance of aeroengines Defence Science Journal, 49 (4). pp. 311-316. ISSN 0011-748X

Moorthy, V. ; Vaidyanathan, S. ; Jayakumar, T. ; Baldev Raj, ; Kashyap, B. P. (1999) Effect of tensile deformation on micromagnetic parameters in 0.2% carbon steel and 2.25Cr-1Mo steel Acta Materialia, 47 (6). pp. 1869-1878. ISSN 1359-6454

Rai, Sanjay ; Choudhary, B. K. ; Jayakumar, T. ; Bhanu Sankara Rao, K. ; Baldev Raj, (1999) Characterization of low cycle fatigue damage in 9Cr-1Mo ferritic steel using X-ray diffraction technique International Journal of Pressure Vessels and Piping, 76 (5). pp. 275-281. ISSN 0308-0161

Bhanu Sankara Rao, K. ; Moorthy, V. ; Choudhary, B. K. ; Vaidyanathan, S. ; Jayakumar, T. ; Raj, Baldev (1999) An assessment of low cycle fatigue damage using magnetic Barkhausen emission in 9Cr-1Mo ferritic steel International Journal of Fatigue, 21 (3). pp. 263-269. ISSN 0142-1123

Kumar, Anish ; Jayakumar, T. ; Palanichamy, P. ; Baldev Raj, (1999) Influence of grain size on ultrasonic spectral parameters in AISI type 316 stainless steel Scripta Materialia, 40 (3). pp. 333-340. ISSN 1359-6462

Baldev Raj, ; Jayakumar, T. ; Mukhopadhyay, C. K. (1999) Application of acoustic emission technique for structural integrity assessment of pressure vessels and pipelines Journal of Nondestructive Evaluation . pp. 39-50. ISSN 0195-9298

Baldev Raj, ; Kasiviswanathan, K. V. ; Jayakumar, T. ; Muralidharan, N. G. ; Raghu, N. (1999) Fresh insight into the technology of heat exchangers through failure analysis and quality management International Journal of COMADEM, 2 (2). pp. 19-29. ISSN 1363-7681

Philip, John ; Babu Roa, C. ; Jayakumar, T. ; Baldev Raj, (1999) An optical technique for the detection of surface defects in ferromagnetic samples Measurement Science and Technology, 10 (6). pp. N71-N75. ISSN 0957-0233

Joseph, A. ; Palanichamy, P. ; Rai, Sanjay K. ; Jayakumar, T. ; Baldev Raj, (1998) Non-destructive measurement of residual stresses in carbon steel weld joints Science and Technology of Welding & Joining, 3 (6). pp. 267-271. ISSN 1362-1718

Mukhopadhyay, C. K. ; Ray, K. K. ; Jayakumar, T. ; Baldev Raj, (1998) Acoustic emission from tensile deformation of unnotched and notched specimens of AISI type 304 stainless steels Materials Science and Engineering A, 255 (1-2). pp. 98-106. ISSN 0921-5093

Rai, Sanjay K. ; Jayakumar, T. ; Babu Rao, C. ; Bhattacharya, D. K. ; Baldev Raj, (1998) Residual stress measurement in ferritic steel tube welds using X-ray diffraction Science and Technology of Welding & Joining, 3 (4). pp. 204-207. ISSN 1362-1718

Jayakumar, T. ; Palanichamy, P. ; Baldev Raj, (1998) Detection of hard intermetallics in β-quenched and thermally aged Zircaloy-2 using ultrasonic measurements Journal of Nuclear Materials, 255 (2-3). pp. 243-249. ISSN 0022-3115

Ramesh, R. ; Mukhopadhyay, C. K. ; Jayakumar, T. ; Baldev Raj, (1998) Characterization of acoustic emission generated during electrochemical charging and discharging of hydrogen in palladium Scripta Materialia, 38 (4). pp. 661-665. ISSN 1359-6462

De, P. K. ; John, John T. ; Banerjee, S. ; Jayakumar, T. ; Thavasimuthu, M. ; Baldev Raj, (1998) Assessment of hydrogen levels in Zircaloy-2 by non-destructive testing Journal of Nuclear Materials, 252 (1-2). pp. 43-54. ISSN 0022-3115

Jayakumar, T. ; Mukhopadhyay, C. K. ; Kasiviswanathan, K. V. ; Baldev Raj, (1998) Acoustic and magnetic methods for characterisation of microstructures and tensile deformation in AISI type 304 stainless steel Transactions of the Indian Institute of Metals, 51 (6). pp. 485-509. ISSN 0019-493X

Thavasimuthu, M. ; Rajagopalan, C. ; Jayakumar, T. ; Baldev Raj, (1998) Effect of surface roughness on ultrasound contact testing - a few practical observations Materials Evaluation, 56 . pp. 302-309. ISSN 0025-5327

Vaidyanathan, S. ; Moorthy, V. ; Jayakumar, T. ; Baldev Raj, (1998) Evaluation of carburization depth in service exposed ferritic steel suing Magnetic Barkhausen Noise analysis Materials Evaluation, 56 (3). pp. 449-452. ISSN 0025-5327

Philip, John ; Jayakumar, T. ; Kalyanasundaram, P. ; Raj, Baldev (1998) Laser-based ultrasound technique for testing and characterization Journal of Pure and Applied Ultrasonics, 20 (3-4). pp. 63-74. ISSN 0256-4637

Moorthy, V. ; Vaidyanathan, S. ; Jayakumar, T. ; Baldev Raj, (1998) On the influence of tempered microstructures on magnetic Barkhausen emission in ferritic steels Philosophical Magazine A, 77 (6). pp. 1499-1514. ISSN 0141-8610

Mukherjee, P. ; Barat, P. ; Jayakumar, T. ; Kalyanasundaram, P. ; Rajagopalan, C. ; Baldev Raj, (1997) Acoustic emission studies on welded and thermally treated AISI 304 stainless steel during tensile deformation Scripta Materialia, 37 (8). pp. 1193-1198. ISSN 1359-6462

Baldev Raj, ; Jayakumar, T. (1997) NDE methodologies for characterisation of defects, stresses and microstructures in pressure vessels and pipes International Journal of Pressure Vessels and Piping, 73 (2). pp. 133-146. ISSN 0308-0161

Moorthy, V. ; Vaidyanathan, S. ; Laha, K. ; Jayakumar, T. ; Bhanu Sankara Rao, K. ; Baldev Raj, (1997) Evaluation of microstructures in 2.25Cr-1Mo and 9Cr-1Mo steel weldments using magnetic Barkhausen noise Materials Science and Engineering: A, 231 (1-2). pp. 98-104. ISSN 0921-5093

Moorthy, V. ; Vaidyanathan, S. ; Jayakumar, T. ; Baldev Raj, (1997) Microstructural characterization of quenched and tempered 0.2% carbon steel using magnetic Barkhausen noise analysis Journal of Magnetism and Magnetic Materials, 171 (1-2). pp. 179-189. ISSN 0304-8853

Subramanian, C. V. ; Thavasimuthu, M. ; Jayakumar, T. ; Baldev Raj, (1997) Ultrasonic response of various types of code recommended reference defects - a comparative study International Journal of Pressure Vessels and Piping, 70 (2). pp. 97-101. ISSN 0308-0161

Shakshin, N. I. ; Deordiev, G. I. ; Scherbinin, V. E. ; Moorthy, V. ; Jayakumar, T. ; Bhattacharya, D. K. ; Kalyanasundaram, P. ; Baldev Raj, (1996) Evaluation of thermal ageing conditions in 17-4 PH stainless steel by Fourier descriptor analysis of magnetic hysteresis loops NDT & E International, 29 (6). pp. 379-385. ISSN 0963-8695

Rao, B. P. C. ; Babu Rao, C. ; Jayakumar, T. ; Baldev Raj, (1996) Simulation of eddy current signals from multiple defects NDT & E International, 29 (5). pp. 269-273. ISSN 0963-8695

Moorthy, V. ; Jayakumar, T. ; Baldev Raj, (1996) Influence of micro structure on acoustic emission behavior during stage 2 fatigue crack growth in solution annealed, thermally aged and weld specimens of AISI type 316 stainless steel Materials Science and Engineering A, 212 (2). pp. 273-280. ISSN 0921-5093

Moorthy, V. ; Jayakumar, T. ; Baldev Raj, (1996) Acoustic emission for identification of stage IIa to IIb transition during stage II fatigue crack growth in parent and weld metal in AISI 316 austenitic stainless steel Materials Science and Technology, 12 (1). pp. 56-58. ISSN 0267-0836

Muralidharan, N. G. ; Kaul, R. ; Kasiviswanathan, K. V. ; Jayakumar, T. ; Raj, B. (1996) Failure analysis of an ammonia refrigerant condenser tube Journal of Materials Engineering and Performance, 5 (2). pp. 241-246. ISSN 1059-9495

Joseph, A. ; Thavasimuthu, M. ; Jayakumar, T. ; Raj, Baldev (1996) Non-destructive examination of porcelain insulators used in electricity transmission lines Insight - Non-Destructive Testing and Condition Monitoring, 38 (11). pp. 797-799. ISSN 1354-2575

Kaul, Rakesh ; Muralidharan, N. G. ; Jayakumar, T. ; Kasiviswanathan, K. V. ; Baldev Raj, ; Dayal, R. K. ; Raju, V. R. ; Gnanamoorthy, J. B. ; Pattu, S. (1995) Failure analysis of carbonate reboiler heat exchangers Engineering Failure Analysis, 2 (3). pp. 165-174. ISSN 1350-6307

Ganesan, Vaidehi ; Jayakumar, T. ; Raghavan, K. S. ; Raj, Baldev (1995) Structure properpty correlations for microstructural design Transactions of the Indian Institute of Metals, 48 (3). pp. 229-236. ISSN 0972-2815

Baldev Raj ; Jayakumar, T. ; Rao, B. P. C. (1995) Non-destructive testing and evaluation for structural integrity Sadhana (Academy Proceedings in Engineering Sciences), 20 (1). pp. 5-38. ISSN 0256-2499

Moorthy, V. ; Jayakumar, T. ; Baldev Raj, (1995) Acoustic emission during pre-yield deformation in solution annealed and cold rolled AISI type 316 stainless steel Transactions of the Indian Institute of Metals, 48 (5). pp. 383-387. ISSN 0972-2815

Moorthy, V. ; Jayakumar, T. ; Baldev Raj, (1995) Acoustic emission technique for detecting micro- and macroyielding in solution-annealed AISI Type 316 austenitic stainless steel International Journal of Pressure Vessels and Piping, 64 (2). pp. 161-168. ISSN 0308-0161

Venkatraman , B. ; Sethi, V. K. ; Jayakumar, T. ; Raj, Baldev (1995) High-definition radiography of tube-to-tubesheet welds of steam generator of prototype fast breeder reactor Insight, 37 (3). pp. 189-192. ISSN 1354-2575

Raj, Baldev ; Bhattacharya, D. K. ; Jayakumar, T. (1995) Magnetic hysteresis loop parameters and Barkhausen noise for microstructural characterisation of steels Metals, Materials and Processes, 7 (1). pp. 19-28. ISSN 0970-423X

Ramesh, R. ; Jayakumar, T. ; Raj, Baldev (1995) Metal hydrides for hydrogen storage applications Metals, Materials and Processes, 7 (4). pp. 291-308. ISSN 0970-423X

Mukhopadhyay, C. K. ; Jayakumar, T. ; Kasiviswanathan, K. V. ; Baldev Raj, (1995) Study of ageing-induced α'-martensite formation in cold-worked AISI type 304 stainless steel using an acoustic emission technique Journal of Materials Science, 30 (18). pp. 4556-4560. ISSN 0022-2461

Palanichamy, P. ; Joseph, A. ; Jayakumar, T. ; Baldev Raj, (1995) Ultrasonic velocity measurements for estimation of grain size in austenitic stainless steel NDT & E International, 28 (3). pp. 179-185. ISSN 0963-8695

Mukhopadhyay, C. K. ; Kasiviswanathan, K. V. ; Jayakumar, T. ; Baldev Raj, (1994) Acoustic emission from ageing-induced martensite formation in cold worked AISI type 304 stainless steel Scripta Metallurgica et Materialia, 30 (3). pp. 303-307. ISSN 0956-716X

Bhattacharya, D. K. ; Jayakumar, T. ; Moorthy, V. ; Vaidyanathan, S. ; Baldev Raj, (1993) Characterization of microstructures in 17-4-PH stainless steel by magnetic Barkhausen noise analysis NDT & E International, 26 (3). pp. 141-148. ISSN 0963-8695

Jayakumar, T. ; Raj, B. ; Bhattacharya, D. K. ; Rodriguez, P. ; Probhakar, O. (1993) Influence of MC-type carbides on acoustic emission generated during tensile deformation in a Nimonic alloy PE16 Journal of Acoustic Emission, 11 (1). pp. 43-51. ISSN 0730-0050

Mukhopadhyay, C. K. ; Kasiviswanathan, K. V. ; Jayakumar, T. ; Baldev Raj, (1993) Acoustic emission during tensile deformation of annealed and cold-worked AISI type 304 austenitic stainless steel Journal of Materials Science, 28 (1). pp. 145-154. ISSN 0022-2461

Rodriguez, P. ; Raj, B. ; Jayakumar, T. (1993) Failure analysis in nuclear industry - specialities and ensuing strategies Transactions of the Indian Institute of Metals, 46 (2). pp. 111-126. ISSN 0972-2815

Jayakumar, T. ; Koble, T. D. ; Theiner, W. A. ; Baldev Raj, (1993) Magnetic methods for characterisation of cold rolled AISI type 304 stainless steel Nondestructive Testing and Evaluation, 10 (4). pp. 205-214. ISSN 1058-9759

Rao, B. P. C. ; Jayakumar, T. ; Bhattacharya, D. K. ; Baldev Raj, (1993) New methodology for precise ultrasonic velocity measurement and its application Journal of Pure and Applied Ultrasonics, 15 (2). No pp. given.. ISSN 0256-4637

Jayakumar, T. ; Baldev Raj, ; Bhattacharya, D. K. ; Prabhakar, O. (1992) Influence of coherent γ on acoustic emission generated during tensile deformation in Nimonic alloy PE16 Materials Science and Engineering A, 150 (1). pp. 51-58. ISSN 0921-5093

Kalyanasundaram, P. ; Baldev Raj, ; Kasiviswanathan, K. V. ; Jayakumar, T. ; Murthy, C. R. L. (1992) Leak detection in pressure tubes of a pressurised heavy water reactor by acoustic emission technique British Journal of Non-Destructive Testing, 34 (11). pp. 539-543. ISSN 0007-1137

Raj, Baldev ; Jayakumar, T. (1991) Acoustic emission during tensile deformation and fracture in austenitic alloys American Society For Materials Testing, 1077 . pp. 218-241.

Jayakumar, T. ; Raj, Baldev ; Willems, H. (1991) Acoustic methods for characterization of microstructures and deformation processes in nimonic alloy PE16 Transactions of the Indian Institute of Metals, 44 (4). pp. 327-338. ISSN 0972-2815

Jayakumar, T. ; Baldev Raj, ; Bhattacharya, D. K. ; Rodriguez, P. ; Prabhakar, O. (1991) Effect of combined presence of γ and MC on AE generated during tensile deformation in Nimonic alloy PE 16 Scripta Metallurgica, 25 . pp. 2733-2738. ISSN 0036-9748

Baldev Raj, ; Ananthakrishna, G. ; Kalyanasundaram, P. ; Barat, P. ; Jayakumar, T. (1990) Stimulated amplification of acoustic emission signals during deformation Scripta Metallurgica et Materialia, 24 (1). pp. 69-73. ISSN 0956-716X

Kalyanasundaram, P. ; Jayakumar, T. ; Raj, B. (1989) Acoustic emission technique for leak detection in an end shield of a pressurised heavy water reactor Nuclear Engineering and Design, 116 (2). pp. 181-185. ISSN 0029-5493

Raj, Baldev ; Kalyanasundaram, P. ; Jayakumar, T. ; Bharat, P. ; Rodriguez, P. (1989) Influence of grain size on frequency spectra of AE signal generated during tensile deformation in an AISI type 316 stainless steel Journal of Acoustic Emission, 8 (1-2). pp. S140-S144. ISSN 0730-0050

Jayakumar, T. ; Baldev Raj, ; Bhattacharya, D. K. ; Rodriguez, P. ; Prabhakar, O. (1989) Influence of presence of hard secondary phases on acoustic emission generated during tensile deformation and fracture in Nimonic alloy PE16 Journal of Acoustical Society of India, 18 (1-2). pp. 169-173. ISSN 0253-7257

Kalyanasundaram, P. ; Raj, B. ; Barat, P. ; Jayakumar, T. (1989) Reliability of detection of small defects in noisy weldments by advanced signal processing and pattern recognition techniques International Journal of Pressure Vessels and Piping, 36 (2). pp. 103-109. ISSN 0308-0161

Baldev Raj, ; Kalyanasundaram, P. ; Jayakumar, T. ; Barat, P. ; Ananthakrishna, G. (1988) Amplification of weak acoustic emission signals Journal of the Acoustical Society of India, 16 (3-4). pp. 232-236. ISSN 0253-7257

Baldev Raj, ; Kalyanasundaram, P. ; Barat, P. ; Jayakumar, T. (1987) Acoustic emission signal analysis in materials evaluation and inservice inspection applications Journal of the Acoustical Society of India, 15 . pp. 66-72. ISSN 0253-7257

Jayakumar, T. ; Raj, Baldev ; Bhattacharya, D. K. ; Rodriguez, P. ; Prabhakar, O. (1987) Effect of heat treatment on acoustic emission in a nimonic alloy PE 16 during tensile deformation Transactions of the Indian Institute of Metals, 40 . pp. 147-150. ISSN 0972-2815

Baldev Raj, ; Jayakumar, T. ; Bhattacharya, D. K. ; Rodriguez, P. (1985) Effect of secondary phases on acoustic emission in 316 stainless steel and a Nimonic alloy PE-16 during tensile deformation and fracture Journal of Acoustic Emission, 4 (Suppl.2-3). pp. 102-105. ISSN 0730-0050

Jayakumar, T. ; Bhattacharya, D. K. ; Raj, Baldev ; Rodriguez, P. (1982) Failure of Zn-Al alloy solenoid valve seats Practical Metallography, 19 . pp. 539-542. ISSN 0032-678X

Jayakumar, T. ; Bhattacharya, D. K. ; Raj, Baldev (1982) Failure of an inconel 600 bellow Practical Metallography, 19 . pp. 717-723. ISSN 0032-678X

Jayakumar, T. ; Bhattacharya, D. K. ; Raj, Baldev ; Rodriguez, P. (1982) Failure of ribs of an air compressor Practical Metallography, 19 . pp. 361-364. ISSN 0032-678X