位错线(dislocationalline)是指晶体或晶格内滑移面上已滑动区的边界线称位错线或位错环。当应力超过临界剪应力时,位错线扩张,形成内外两部分,外部位错逐渐扩大,内部位错线恢复原状,在外力作用下,不断产生新位错环,因而得到很大的滑移量。
失配位错的类型分为刃型失配位错,位错线沿〈100〉方向;
One was pure edge misfit dislocations with line directions of <100>;
位错线、位错条带、胞结构和迷宫结构是锆合金低周疲劳典型的位错组态。
Dislocation lines, dislocation bands, cell and labyrinth structures are typical dislocation configurations in the fatigued alloys.
并讨论了位错力随材料相关参数,非理想界面参数,裂纹和刚性线弧度的变化规律。
The variation of screw dislocation forces for correlative material parameters and different radians of crack or rigid line is discussed particularly.
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