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

<div>Fracture surfaces of CVN samples after impact toughness tests performed for individual weld regions, material states, and testing conditions: BM, PWHT, and RT (a); WM, PWHT, and RT (b); BM, 625°C/30 kh, and RT (c); WM, 625°C/30 kh, and RT (d); WM, 625°C/30 kh, and 100°C (e); HAZ, 625°C/30 kh, and 100°C (f).</div>

Advances in Materials Science and Engineering

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Figure 9

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

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