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对不同变形量的白口铸铁中碳化物的形态及冲击疲劳性能进行了观察与探讨 ,结果表明 :在 0～ 40 %的变形范围内 ,白口铸铁的变形量越大 ,碳化物破碎越严重 ,其冲击疲劳性能越好。
The morphology and impact fatigue properties of carbides in white cast iron with different deformations were observed and discussed. The results show that the larger the deformation of white cast iron is, the more severe the carbides are broken in the range of 0 ~ 40% , Its impact fatigue performance is better.