金属Mg二阶锥面<c+a>刃位错运动特性的分子动力学模拟
李美霖1, 李赛毅1,2(
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Motion Characteristics of <c+a> Edge Dislocation on the Second-Order Pyramidal Plane in Magnesium Simulated by Molecular Dynamics
LI Meilin1, LI Saiyi1,2()
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图5. 不同τapp下的位错芯结构
Fig.5. Dislocation core structures under τapp=50 MPa (a1, b1), τapp=150 MPa (a2, b2) and τapp=250 MPa (a3, b3) (l—width of extended dislocation, b—modulus of Burgers vector)
(a1~a3) positive shear (b1~b3) negative shear
