位错密度梯度结构<strong>Cu</strong>单晶微柱压缩的三维离散位错动力学模拟

位错密度梯度结构Cu单晶微柱压缩的三维离散位错动力学模拟

熊健,魏德安,陆宋江,阚前华,康国政,张旭

A Three-Dimensional Discrete Dislocation Dynamics Simulation on Micropillar Compression of Single Crystal Copper with Dislocation Density Gradient

Jian XIONG,Dean WEI,Songjiang LU,Qianhua KAN,Guozheng KANG,Xu ZHANG

表3 不同加载方向下Cu单晶微柱各个滑移系的Schmid因子

Table 3 Schmid factors of 12 slip systems in single crystalline copper under different loading directions

Slip system	X direction [1 $\overset{ˉ}{1}$ 0]	Z direction [ $\overset{ˉ}{1}$ $\overset{ˉ}{1}$ 2]
(111)[ $\overset{ˉ}{1}$ 10]	0	0
(111)[ $\overset{ˉ}{1}$ 01]	0	0
(111)[0 $\overset{ˉ}{1}$ 1]	0	0
( $\overset{ˉ}{1}$ 11)[110]	0	0.272
( $\overset{ˉ}{1}$ 11)[101]	0.408	0.136
( $\overset{ˉ}{1}$ 11)[0 $\overset{ˉ}{1}$ 1]	0.408	0.408
(1 $\overset{ˉ}{1}$ 1)[110]	0	0.272
(1 $\overset{ˉ}{1}$ 1)[011]	0.408	0.136
(1 $\overset{ˉ}{1}$ 1)[ $\overset{ˉ}{1}$ 01]	0.408	0.408
(11 $\overset{ˉ}{1}$ )[ $\overset{ˉ}{1}$ 10]	0	0
(11 $\overset{ˉ}{1}$ )[011]	0	0.272
(11 $\overset{ˉ}{1}$ )[101]	0	0.272