A Mg-Al-Nd alloy produced via a powder metallurgical route

被引:9
作者
Bettles, C. J. [1 ]
Moss, M. H. [1 ]
Lapovok, R. [1 ]
机构
[1] Monash Univ, ARC Ctr Excellence Design Light Met, Clayton, Vic, Australia
来源
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2009年 / 515卷 / 1-2期
关键词
Magnesium; Powder metallurgy; Rare earth elements; SHEAR DEFORMATION; BACK PRESSURE; MAGNESIUM; COMPACTION; ALUMINUM; BEHAVIOR;
D O I
10.1016/j.msea.2009.03.073
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A Mg-5 wt.%Al-2 wt.%Nd alloy has been prepared by a powder metallurgical route using a blend of two dissimilar alloy powders. The initial consolidation of the powders was achieved through a single equal channel angular extrusion pass at 150 degrees C. After heat treatment at temperatures between 420 degrees C and 530 degrees C, it was possible to produce a microstructure that consisted of a uniform distribution of Al(3)Nd and Al(11) Nd(3) precipitates in a magnesium matrix. These precipitates displayed distinct orientation relationships with the matrix. The size and shape of the precipitates depended on the heat treatment temperature and time. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:26 / 31
页数:6
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