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5. 位错密度梯度结构模型沿X轴加载时不同应变时的位错微结构

Fig.5. The snapshots of evolved dislocation structures corresponding to strains of 0.05% (a), 0.10% (b), 0.15% (c), 0.20% (d) and 0.25% (e) in the compression process along the X-axis direction which is perpendicular to the dislocation density gradient directionColor online