Wear and corrosion behaviours of extruded Al-12Si-XMg alloys

被引：21
|
作者：
Ahlatci, Hayrettin [1 ]
机构：
[1] Karabuk Univ, Dept Met, Tech Educ Fac, TR-78100 Karabuk, Turkey
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 20期
关键词：
Al-Si alloy; corrosion; Mg; Mg2Si particles; wear;
D O I：
10.1016/j.matlet.2008.03.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study mechanical and corrosion behaviours of Al-12Si-XMg alloys (where Mg contents varied up to 20%) have been investigated. The alloys were prepared by casting followed by extrusion at 300 degrees C with a ratio of 1.6. Precipitation of the Mg2Si phases was observed in the Mg containing Al-12Si alloy matrix with two different morphologies; i.e. as a polyhedral primary particle and as a Chinese script. The amount and size of the primary Mg2Si particles increased with increasing the Mg content, which was accompanied by an improvement in hardness and wear resistance but a reduction in corrosion resistance. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：3490 / 3492
页数：3
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