Seffated flow in magnesium alloy AZ91

被引：75

作者：

Corby, C

Cáceres, CH

Lukac, P

机构：

[1] Univ Queensland, Sch Engn, Cooperat Res Ctr Cast Met Mfg, Brisbane, Qld 4072, Australia

[2] Charles Univ Prague, Dept Met Phys, CR-12116 Prague 2, Czech Republic

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2004年 / 387卷

关键词：

alloy AZ91; magnesium; forest hardening; Portevin-Le Chatelier effect; dynamic strain ageing;

D O I：

10.1016/j.msea.2004.01.077

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Serrated flow has recently been observed in the ternary Mg-9 wt.% Al-1 wt.% Zn alloy AZ91 at room temperature. Binary and ternary alloys with various contents of Zn and Al have, therefore, been tested to determine the extent to which the individual solutes, Al or Zn, are responsible for the serrations. The results show that jerky flow develops only in alloy AZ91 suggesting that both solutes are active. Possible roles played by the At and Zn atoms in solution are discussed in terms of current models. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：22 / 24

页数：3

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