Ageing Characteristics and Microstructural Evolution in Microalloyed Al Alloys |
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| Journal | Materials Science Forum (Volumes 539 - 543) |
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| Volume | THERMEC 2006 |
| Edited by | T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran |
| Pages | 438-445 |
| DOI | 10.4028/www.scientific.net/MSF.539-543.438 |
| Citation | Zhi Gang Chen et al., 2007, Materials Science Forum, 539-543, 438 |
| Online since | March, 2007 |
| Authors | Zhi Gang Chen, Zi Qiao Zheng, Jue Zhong, Simon P. Ringer |
| Keywords | Ag, Aluminum Alloy, Micro-Alloyed, Microstructural Evolution |
| Abstract | The present paper outlines the effect of small addition of Sc,Ag and Mg on the ageing characteristics and microstructural evolution in some microalloyed Al alloys,such as Al-Cu-Mg, Al-Ag and Al-Li alloys.Small quantities of these microalloying elements can modify the ageing characteristics of these alloys,and significant changes have been found in their microstructural evolution after small microalloying element additions. The observed effects are explained in terms of the atomic behaviour during the early ageing stage,and one of the key factors governing this effect is Sc/Vacancy mechanism. |
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