Dev, Selvi ; Archibald Stuart, A. ; Ravi Dev Kumar, R. C. ; Murty, B. S. ; Prasad Rao, K. (2007) Effect of scandium additions on microstructure and mechanical properties of Al-Zn-Mg alloy welds Materials Science and Engineering A, 467 (1-2). pp. 132-138. ISSN 0921-5093
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.msea.2007.02.080
Abstract
The microstructure and mechanical properties of fusion zones of medium strength Al-Zn-Mg alloy (RDE-40) welds obtained by using different fillers containing various amount of scandium was investigated. It was observed that addition of scandium led to very significant grain refinement in the fusion zone especially for scandium levels greater than the eutectic composition (0.55 wt%). The grain refinement led to the reduction in solidification cracking and improved the tensile properties of fusion zone compared to the ones obtained by the commercial AA5556 filler.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Al-Zn-Mg Alloy; RDE-40; Scandium; GTAW; Solidification cracking; Mechanical Properties |
| ID Code: | 73874 |
| Deposited On: | 08 Dec 2011 03:59 |
| Last Modified: | 08 Dec 2011 03:59 |
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