THE COTTRELL-STOKES LAW FOR FCC SINGLE-CRYSTALS

被引：19
|
作者：
BOCHNIAK, W [1 ]
机构：
[1] MCMASTER UNIV, DEPT MAT SCI & ENGN, HAMILTON L8S 4M1, ONTARIO, CANADA
来源：
ACTA METALLURGICA ET MATERIALIA | 1993年 / 41卷 / 11期
关键词：
D O I：
10.1016/0956-7151(93)90043-R
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The new method of the strain rate change has been used to completely eliminate the machine and the sample elastic compliance. Therefore the Cottrell-Stokes law for copper, aluminium and silver single crystals deformed at low temperatures has been verified with great confidence. In all the experiments the increasing deviation from the Cottrell-Stokes law has been observed from the beginning of the crystals plastic flow throughout the deformation. Such character of the Cottrell-Stokes relation can testify that at least at a low temperature the plastic flow in stages II and III is controlled by the same mechanism or, that the deformation mechanism systematically changes throughout the deformation.
引用
收藏
页码：3133 / 3140
页数：8
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