高强钢焊缝金属组织设计与强韧化机理研究进展

陆善平, 孙健

Research Progress on Microstructural Design and Strengthening-Toughening Mechanisms of Weld Metal in High-Strength Steels

LU Shanping, SUN Jian

图10 焊缝金属焊后热处理(PWHT)过程中组织演变示意图[78]

Fig.10 Schematic of the microstructure evolution of weld metal during post weld heat treatment (PWHT) process[78] (T600—tempering temperature at 600 oC and holding time for 1.5 h, IA730—730 oC insulation for 1.5 h and water quenched to room temperature; AF—acicular ferrite, GBF—grain boundary ferrite, M-A—martensite-austenite)