PSI - Issue 60

628 Varsha Florist et al. / Procedia Structural Integrity 60 (2024) 614–630 Varsha Florist, Santhoshkumar R, A. Vamsi, Sajju V, Sarath Mohan, Sanjeev Kumar, Dhanoop A, Venukuttan C, M.K. Sundaresan, SVS Narayana Murty / Structural Integrity Procedia 00 (2024) 000 – 000 15

Fig. 18. Optical photomicrographs of OM specimens extracted from: a) circumferential fracture surface- weld area; b) HAZ (200X); c) longitudinal fracture surface near to origin of failure; d) circumferential fast fracture at dome side (500X).

b)

a)

50 µm

20 µm

c)

d)

50µm

20µm

Fig. 19. Fractographs of tensile tested specimens (a-b) Parent metal; (c-d) Weld