Surekha, K. ; Murty, B. S. ; Prasad Rao, K. (2011) Comparison of corrosion behaviour of friction stir processed and laser melted AA 2219 aluminium alloy Materials & Design, 32 (8-9). pp. 4502-4508. ISSN 0261-3069
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.matdes.2011.03.033
Abstract
Dissolution of second phase particles (CuAl2) present in AA 2219 aluminium improves the corrosion resistance of the alloy. Two surface treatment techniques, viz., solid state friction stir processing and fusion based laser melting lead to the reduction in CuAl2 content and the effect of these processes on the corrosion behaviour of the alloy is compared in this study. Potentiodynamic polarization and electrochemical impedance spectroscopy tests were carried out to compare corrosion behaviour. The corrosion resistance achieved by friction stir processing is comparable to that obtained by the laser melting technique.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | A. Nonferrous Alloy; C. Surface Treatments; E. Corrosion |
| ID Code: | 73819 |
| Deposited On: | 07 Dec 2011 05:09 |
| Last Modified: | 07 Dec 2011 05:09 |
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