Formation of Luders lines in Al-Mg alloys

被引：0
|
作者：
Choi, ID
Han, K
Park, IM
Kang, SB
机构：
[1] PUSAN NATL UNIV,PUSAN 609735,SOUTH KOREA
[2] KOREA INST MACHINERY & MAT,CHANG WON,SOUTH KOREA
来源：
ALUMINIUM ALLOYS: THEIR PHYSICAL AND MECHANICAL PROPERTIES, PTS 1-3 | 1996年 / 217卷
关键词：
Luders line; 5000 series Al alloy; serration; yield point elongation;
D O I：
10.4028/www.scientific.net/MSF.217-222.1031
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A study has been made to evaluate the factors which affect the formation of Luders Line in A-Mg alloys. All of the A-Mg alloys(4.56 similar to 7.19%Mg) used in this study show type B Luders line at strain rate of 4x10(-4)/sec. Alloys with smaller grain size have more possibility to reveal type A Luders line which is accompanied with yield point elongation on stress-strain curve and detrimental to surface appearance. The formation of type A Luders line is due to the dislocation pinning by Mg atoms in solid solution and dislocation cell structures.
引用
收藏
页码：1031 / 1036
页数：6
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