砷化镓晶体力学特性的各向异性计算

董康佳, 姜晨, 任绍彬, 郎小虎, 高睿, 叶卉

Anisotropic Calculation of Mechanical Property of GaAs Crystal

DONG Kangjia, JIANG Chen, REN Shaobin, LANG Xiaohu, GAO Rui, YE Hui

表2 断裂韧性和维氏硬度[7,8,9,10]

Table 2 Vickers hardness and fracture toughness[7,8,9,10]

Data source Hardness/GPa KIC/(MPa·m1/2) Comments Chen, et al[7] 5.27-5.45 0.482-0.579 <110> and <100> crystal direction measured by different loads Xu, et al[8] 6-10 - Measured by different loads Ponraj, et al[9] 8.2-10.4 - Measured by different loads Hjort, et al[10] 7 0.44 Average value This work 5.69-6.21 0.30-0.60 Measured by single loads and different crystal orientations