调质处理对G520钢焊接接头组织及性能的影响
张敏,贾芳,程康康,李洁,许帅,仝雄伟

Influence of Quenching and Tempering on Microstructure and Properties of Welded Joints of G520 Martensitic Steel
Min ZHANG,Fang JIA,Kangkang CHENG,Jie LI,Shuai XU,Xiongwei TONG
表3 母材及焊前调质、焊后调质焊接接头拉伸力学性能
Table 3 Tensile strength of parent metal and welded joints quenched-tempered before and after welding
Materialσs / MPaσb / MPaδ / %Fracture location
Quenched-tempered parent metal1069.01097.521.4-
Quenched-tempered before welding917.01070.515.0Weld metal
Quenched-tempered after welding1055.41118.016.3Weld metal