Ageing Effects on Microstructure, Mechanical Properties, and Fracture Behaviour of 9Cr-1.5Mo-1Co-VNbBN Martensitic Steel Welded Joint for High Temperature Application

Figure 14

Fracture path (a, b, c) and creep cavity (c) analyses of CB2 weldment ruptured by “type III failure” after the creep test at 625°C, 80 MPa.

(a)

(b)

(c)