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

Figure 1

Light-optical microstructures of individual regions of studied CB2 weldment in PWHT state: BM (a), WM (b), and HAZ (c).

(a)

(b)

(c)