位错互相切割的过程称位错交割。穿过滑移面的位错称为林位错，它会阻碍在滑移面上位错的运动；若是应力足够大，滑动的位错将切过林位错继续前进，形成位错交割。
本文对解理台阶的形成模型——解理裂纹与螺位错交割模型进行了诠释。
Its explicitly explained how the cleavage step pattern is formed by the cleavage crack intersecting with screw dislocation.
孪晶自身相互交割和位错的滑移相互协调，形成了细小的孪晶和胞状组织；
Twin-twin self-intersection and dislocation slipping were coordinated, the refined twins and cystiform microstructure were formed.
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