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

Figure 7

Equivalent completely reversed stress amplitude calculated by modified Walker model versus fatigue life for (a) FGH4095 superalloy (500°C), (b) GH4169 superalloy (500°C), (c) FGH4096 (550°C) superalloy, (d) TC11 alloy (300°C), (e) 35Cr4Ni2MoA steel (160°C), and (f) 2014-T6 aluminum.

(a) FGH4095 500°C

(b) GH4169 500°C

(c) FGH4096 550°C

(d) TC11 300°C

(e) 35Cr2Ni4MoA 160°C

(f) 2014-T6 Al