Dislocation dynamics is chaotic

被引:29
作者
Deshpande, VS
Needleman, A
van der Giessen, E
机构
[1] Brown Univ, Div Engn, Providence, RI 02912 USA
[2] Univ Groningen, Dept Appl Phys, NL-9747 AG Groningen, Netherlands
关键词
chaos; dislocations; theory; mechanical properties; plastic; fracture;
D O I
10.1016/S1359-6462(01)01135-6
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Numerical simulations of the dynamics of discrete dislocations exhibit chaotic behavior. The effect of chaos on the computed overall tensile stress-strain response is small, but the effect on the crack growth resistance is significant. (C) 2001 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1047 / 1053
页数:7
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