FeMnCoCrNi高熵合金双晶微柱变形机制的分子动力学模拟

张海峰, 闫海乐, 方烽, 贾楠

Molecular Dynamic Simulations of Deformation Mechanisms for FeMnCoCrNi High-Entropy Alloy Bicrystal Micropillars

ZHANG Haifeng, YAN Haile, FANG Feng, JIA Nan

表1 晶界与拉伸方向垂直时单晶与双晶在弹塑性转变点处的应力

Table 1 Stresses at elastic-to-plastic transition points for the different single crystals and bicrystals when the grain boundary is perpendicular to the tensile direction

Crystal type Orientation Stress / GPa Single crystal [001] 5.13 [110] 4.11 [111] 7.43 [123] 4.43 Bicrystal [001] + [110] 3.59 [001] + [111] 5.12 [001] + [123] 3.80 [111] + [110] 2.33 [123] + [110] 3.70 [111] + [123] 4.30