方法通过将位错分解为刃型和螺型分量，该位错引起的整个弹性场可由两个分量所引起的弹性场叠加得到。
Methods a dislocation was separated into pure edge part and pure screw part and their superposition was used to find the elastic field.
高温回火后，马氏体的分解软化以及铁素体中位错密度减小是导致双相钢性能恶化的主要原因。
The decomposition of martensite and decrease of dislocation density in ferrite are the main reasons of deteriorating the mechanical properties of dual phase steel.
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