Creep Rupture Behavior in Dissimilar Weldment between FB2 and 30Cr1Mo1V Heat-Resistant Steel

Figure 8

Bright field TEM micrographs of (a, b) martensitic lath structure in weld metal which does not experience stress and (c, d) microstructure of the weld metal near the rupture site showing polygonized structure after 7386.5-hour creep.

(a)

(b)

(c)

(d)