High-strength Mg-Zn-Y alloys produced by powder metallurgy

被引：91
|
作者：
Mora, E. [1 ]
Garces, G. [1 ]
Onorbe, E. [1 ]
Perez, P. [1 ]
Adeva, P. [1 ]
机构：
[1] CSIC, Natl Ctr Met Res CENIM, Dept Met Phys, Madrid 28040, Spain
来源：
SCRIPTA MATERIALIA | 2009年 / 60卷 / 09期
关键词：
Magnesium alloys; Powder metallurgy; Quasicrystalline phase; Powder processing; QUASI-CRYSTALLINE PHASE; MECHANICAL-PROPERTIES; DEFORMATION-BEHAVIOR; ELECTRON-MICROSCOPY; MICROSTRUCTURE;
D O I：
10.1016/j.scriptamat.2009.01.012
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A powder metallurgy route has been used to fabricate Mg-Zn-Y alloys reinforced by quasicrystalline particles. Rapidly solidified powders of MgZn2.1Y0.26 and MgZn3.3Y0.43 were extruded in the temperature range 260-400 degrees C. As the extrusion temperature decreases, the yield stress increases due to grain size refinement. The MgZn3.3Y0.43 alloy showed a yield stress of 410 MPa with a 12% elongation. (c) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：776 / 779
页数：4
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