Page 86 - Biaxial Multiaxial Fatigue and Fracture
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Micro-Crack Growth Behaoior in Weldments of a Nickel-Base Superalloy Under ... 71
Weld metal $ Base metal
Bounda
0.5 mm
(a) N=45 U
f 0.5 mm
Boundary U
(b) N=1800
Fig. 10. Surface cracks observed in an axially welded specimen with @=-l.00 and A%=0.7%.
Fig.11 Surface cracks observed in a base metal specimen with @=-1.00 and A&,=0.7%.
