Research Article
Ageing Effects on Microstructure, Mechanical Properties, and Fracture Behaviour of 9Cr-1.5Mo-1Co-VNbBN Martensitic Steel Welded Joint for High Temperature Application
Figure 4
SEM-micrographs of thermally exposed microstructures at 625°C for 30 kh of BM (a, b) and WM (c, d) of the CB2 weldment visualized using secondary electrons (a, c) and back-scattered electrons (b, d).
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