Fig. 2: Crack morphology.

a HAZ and b WZ; c EDS map of WZ shows precipitation along subgrain boundaries: Ni depletes while Cr enriches at the subgrain GBs; d crack length distribution in HAZ and WZ on the ND–LD plane of the sectioned coupon.
a HAZ and b WZ; c EDS map of WZ shows precipitation along subgrain boundaries: Ni depletes while Cr enriches at the subgrain GBs; d crack length distribution in HAZ and WZ on the ND–LD plane of the sectioned coupon.