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1 模型各层的位错源数量、初始位错密度与位错间距
Table 1 Number of sources, dislocation density and dislocation spacing in different layers for the model configurations

Layer

Number of source

Dislocation density

1012 m-2

Dislocation spacing

nm

Bottom layer10038.0162
Middle layer20076.5114
Top layer300114.093