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1,魏德安1,陆宋江1,阚前华1,康国政1,张旭1,2()
A Three-Dimensional Discrete Dislocation Dynamics Simulation on Micropillar Compression of Single Crystal Copper with Dislocation Density Gradient
XIONG Jian1,WEI Dean1,LU Songjiang1,KAN Qianhua1,KANG Guozheng1,ZHANG Xu1,2()

图3. 位错密度梯度结构Cu单晶微柱在不同加载方向下的等效应力-应变曲线以及位错密度演化曲线

Fig.3. Equivalent stress-strain curves and dislocation density evolution curves of single crystal copper micropillar with dislocation density gradient structure under different loading directions