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二类不同热处理的GH220合金进行了疲劳试验。结果表明,等温处理的合金的疲劳性能高于标准处理的。详细讨论了这一差别的原因。
Two kinds of different heat treatment of GH220 alloy fatigue test. The results show that the isothermal treatment of the alloy fatigue performance than the standard treatment. The reason for this difference is discussed in detail.