低碳钢预制涡流搅拌摩擦焊工艺研究

王启勇, 李晓博, 刘小超, 王心成, 张泰瑞, 倪中华, 陈彪

Process of Prefabricated Vortex Flow-Based Friction Stir Welding for Low Carbon Steel

WANG Qiyong, LI Xiaobo, LIU Xiaochao, WANG Xincheng, ZHANG Tairui, NI Zhonghua, CHEN Biao

图15 W-Re套筒所获试样典型断口形貌的SEM像

Fig.15 Low (a) and high (b) magnified SEM images showing typical fracture morphologies of samples obtained using W-Re holder under optimal parameters (Insets in Fig.15b is corresponding high magnified view. Dotted lines in Fig.15a represents boundaries of the central fracture region)