Influence of extrusion temperature on microstructure, texture and fatigue performance of AZ80 and ZK60 magnesium alloys

被引：11
|
作者：
Shahzad, Muhammad [1 ]
Eliezer, Dan [1 ]
Gan, Weimin [2 ]
Yi, Sangbong [1 ]
Wagner, Lothar [1 ]
机构：
[1] Tech Univ Clausthal, Inst Mat Sci & Engn, D-38678 Clausthal Zellerfeld, Germany
[2] GKSS Forschungszentrum Geesthacht GmbH, D-21502 Geesthacht, Germany
来源：
PRICM 6: SIXTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, PTS 1-3 | 2007年 / 561-565卷
关键词：
magnesium alloys; extrusion; grain refinement; texture; fatigue testing;
D O I：
10.4028/www.scientific.net/MSF.561-565.187
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The wrought magnesium alloys AZ80 and ZK60 were extruded at 175 degrees C <= T <= 350 degrees C at an extrusion ratio of ER = 12. With decreasing extrusion temperatures a marked refinement in grain size was found for both alloys resulting in higher values of yield stress while UTS values were hardly affected. As opposed to AZ80, a marked yield stress differential between loading in tension and compression was observed in ZK60, this effect being explained by the differences in crystallographic texture.
引用
收藏
页码：187 / +
页数：2
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