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.

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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.

youdao