The paper explains the general problems in the use of Manson-Coffin equation according to residual tests of low-cycle fatigue (LCF) data of GH4049 superalloy.

• 以GH4049合金低周疲劳数据分析为例,以数据残差检验为基础,说明应用Manson-Coffin方程时普遍存在的问题。