高温合金成分复杂、具有多相性、在加热和冷却过程中没有相的重结晶转变。它的晶粒度不能靠热处理来细化、主要通过锻造工艺来控制。因此,高温合金锻件有一些比较特殊的缺陷。本文根据对生产实际资料的广泛研究,讨论了高温合金锻件的十种典型缺陷,分析了缺陷的特征和形成原因,并指出了防止它们的方法。 The composition of the superalloy is complex, heterogeneous, and there is no phase of recrystallization transformation during heating and cooling. Its grain size can not be refined by heat treatment, mainly through the forging process to control. Therefore, superalloys forging some of the more special shortcomings. Based on extensive research on actual production data, ten typical defects of superalloys forgings are discussed. The characteristics of the defects and their causes are analyzed. Methods to prevent them are also pointed out.