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
),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
ZHANG Min(),JIA Fang,CHENG Kangkang,LI Jie,XU Shuai,TONG Xiongwei
),JIA Fang,CHENG Kangkang,LI Jie,XU Shuai,TONG Xiongwei
图5. 不同工艺焊缝及热影响区冲击断口的SEM像
Fig.5. SEM images of impact fracture of weld metals (a, b) and fusion line (c, d) in welded joints quenched-tempered before (a, c) and after (b, d) welding
