The physical model and theoretical method for studying the phonon excitation of stackingfaultimpurity complex with the motion of dislocation are proposed .
提出了研究杂质层错复合体声子激发及其与位错运动相关的模型及理论计算方法；
Supposing there is no interaction between solute atoms, the feature of dislocation motion and the distribution of solutes are obtained at different external stresses in the dynamic simulation.
动态模拟中假设溶质原子之间没有相互作用，得到在不同的外加应力下位错的运动特征和溶质原子的分布状态。
The cardinal cause of hydrogen Embrittlement in metals is that hydrogen affects motion, distribution and structure of dislocation.
金属材料氢脆的根本原因是氢对位错运动、分布和结构的影响。
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