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本文对18Cr2Ni4WA钢等弯矩冲弯试样多次冲击断口进行了光学金相分析和电子显微分析,并对三点弯曲试样在多次冲击下的裂纹扩展机制进行了观察。
In this paper, optical metallographic analysis and electron microscopic analysis of the multiple impact fracture of 18Cr2Ni4WA steel bending moment specimens were carried out. The crack propagation mechanism of the three-point bending specimen under multiple impacts was also observed.