Study on Susceptibility and Mechanism of Reheat Cracking in Welded Joint of Type 347 Austenitic Stainless Steel

Figure 15

SEM picture of precipitates at SSRT test specimen fracture. (a) M-L7 at 750°C, (b) M-L6 at 800°C, (c) M-L4 at 850°C, (d) M-L1 at 900°C.

(a)

(b)

(c)

(d)