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
ZHANG Min(),JIA Fang,CHENG Kangkang,LI Jie,XU Shuai,TONG Xiongwei

图3. 2种焊接工艺下焊接接头显微组织的OM像

Fig.3. OM images of welded joints quenched-tempered before (a, c, e) and after (b, d, f) welding (BM—base metal, HAZ—heat affected zone, WM—weld metal)(a, b) fusion line (c, d) WM (e, f) HAZ