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
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Official URL: http://www.atypon-link.com/BINT/doi/abs/10.1784/in...
Related URL: http://dx.doi.org/10.1784/insi.46.9.533.40839
Abstract
Thin-walled nickel tubes are used for fabrication of cover gas hydrogen sensors of fast breeder reactors. Eddy current non-destructive testing of these thin-walled nickel tubes poses difficulties due to the high magnetic permeability of nickel and non-availability of proper standards for testing tubes with diameter and wall thickness less than 3.0 mm and 0.9 mm, respectively. In this work, a saturation-based eddy current procedure has been developed for the quality control of nickel tubes of 2.5 mm outer diameter and 0.25 mm wall thickness. This procedure has reliably detected small dents as shallow as 0.1 mm deep on the outer surface as also verified by visual examination.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to British Institute of Non-Destructive Testing. |
| ID Code: | 40647 |
| Deposited On: | 24 May 2011 11:25 |
| Last Modified: | 24 May 2011 11:25 |
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