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介绍了热处理应力形成的原因,通过对叶轮热处理后的裂纹取样分析,得出热处理裂纹产生的原因,并提出了叶轮热处理工艺的改进方法。
The reasons for the formation of heat treatment stress are introduced. By analyzing the cracks after the heat treatment of the impeller, the cause of heat treatment crack is obtained and an improved method of heat treatment for the impeller is proposed.