Page 464 - Biaxial Multiaxial Fatigue and Fracture
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448 M. WEICK AND 1 AKTAA
Table 3. Experimental results of the non-proportional fatigue tests performed
0"
45"
90"
135"
180"
AIS1 316 L (N)
1 E+03 1 E+04 1 E+05 1 E+06
Nf
Fig. 6. Correlation of non-proportional life with the equivalent plastic strain range for various
phase shifts. The results for 0" and 180" phase shift are taken from Windelband [5].
The behaviour can be described by the Manson-Coffin relation. In our case, it is:
