Page 80 - Biaxial Multiaxial Fatigue and Fracture

Micro-Crack Growth Behavior in Weldments of a Nickel-Base Superalloy Under ... 65

(a) Base metal specimen(BM)

(b) Axially welded specimen(WAX)

25(gacge length)
Weld metal
--------- --
-----------

(c) Circumferentially welded specimen(WCF)
Fig. 1. Shape and dimensions of specimen and weld line.

(a) Axially welded specimen (b) Circumferentially welded specimen

Fig. 2. Sampling positions of welded specimens