Effect of PWHT on the Carbon Migration and Mechanical Properties of 2205DSS-Q235 LBW Joint

Figure 3

Microstructure of WS-Q235 interface and thickness of CDZ and CRZ: (a) heat-treated at 500°C; (b) heat-treated at 600°C; (c, f) heat-treated at 700°C; (d, e, g) heat-treated at 800°C; (h) thickness of CDZ and CRZ as a function of PWHT temperature.