结果发现，TWIP钢具有典型的延性断裂断口特征，其变形和断裂过程为微孔洞的形核、长大和聚合。
It was found that the fracture of TWIP steel was typical ductile fracture pattern and its deformation and fracture processes were the formation, growth and coalescence of microvoids.
热冲击疲劳裂纹的形成与微孔洞的形核、长大和连通有关。
The crack formation of thermal shock fatigue is related to the nucleation, growth and join of microvoid.
结果发现，twip钢具有典型的延性断裂断口特征，其变形和断裂过程为微孔洞的形核、长大和聚合。
It is found that the fracture of TWIP steel is typical ductile fracture pattern and its deformation and fracture mechanisms are the formation, growth and coalescence of micro-voids.
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