Page 275 - Biaxial Multiaxial Fatigue and Fracture

The Multiaxial Fatigue Strength of Specimens Containing Small Defects 259

300 1,1,1,,,1,,1,1,,,,,1,1,,1,,,,
ca
a
I

Lower bound

l 0 Broken

0 100 200 300
Axial stress amplitude, (J MPa

(a) FCD400 cast iron

ca
n -
3 - , Prediction by Eq. (17)
for defect-free specimen
---.- .--_..__
-.--__
--
300 t ---__ *--_ -- - -. -
-..
6 --- --- --- -

Fig. 14. Comparison of predicted and experimental results for
smooth nodular cast iron specimens.