Research Article

A Modified Walker Model Dealing with Mean Stress Effect in Fatigue Life Prediction for Aeroengine Disks

Figure 1

Equivalent completely reversed stress amplitude versus fatigue life correlations by Walker model for the (a) FGH4095 superalloy (600°C) and (b) GH4169 superalloy (650°C).
(a) Walker, FGH4095 600°C
(b) Walker, GH4169 650°C