体心立方Fe中微裂纹与间隙型位错环相互作用的分子动力学模拟
梁晋洁1,2, 高宁2,3, 李玉红1()
Interaction Between Interstitial Dislocation Loop and Micro-Crack in bcc Iron Investigated by Molecular Dynamics Method
LIANG Jinjie1,2, GAO Ning2,3, LI Yuhong1()

图7. d=1.5 nm、R=1.5 nm、k≥0.20时位错环与微裂纹相互作用的分子动力学结果演化过程
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(a) formation of <100> and 1/2<111> segments which both end on the surface of micro-crack;(b) final rugged tip after the dislocation loop has been absorbed by micro-crack

Fig.7. Evolutions of the system with the interaction between the dislocation loop and micro-crack with d=1.5 nm, R=1.5 nm and k≥0.20