Aging influence on serrated flow behavior in Al-Li single crystals

被引：8
|
作者：
Li, HX
Park, JK
机构：
来源：
ALUMINIUM ALLOYS: THEIR PHYSICAL AND MECHANICAL PROPERTIES, PTS 1-3 | 1996年 / 217卷
关键词：
serrated deformation; aging influence; Al-Li alloys; single crystals;
D O I：
10.4028/www.scientific.net/MSF.217-222.1055
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Compressive deformation of two AI-Li single crystals was investigated as a function of aging condition. Only very weak serrations were detected in the as-quenched condition. Increasingly enhanced serrations with aging were exhibited up to the peak-aged condition. Overaging greatly reduced the serrations. Pair-coupling effect of the moving dislocations due to the shearing of the ordered delta' particles is proposed to be responsible for the observed behavior.
引用
收藏
页码：1055 / 1060
页数：6
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