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

表4 BM微型试样以及WC-Co和W-Re套筒制备微型试样SZ上下部区域的拉伸性能

Table 4 Tensile properties of BM mini samples and upper and lower parts of SZ of mini samples obtained using WC-Co and W-Re holders under optimal parameters

Samples UTS / MPa EL / % BM 312.31 ± 5.14 57.91 ± 3.83 SZ-U-1 457.93 ± 65.96 22.32 ± 15.31 SZ-L-1 311.70 ± 42.55 6.84 ± 3.49 SZ-U-2 577.23 ± 42.46 14.79 ± 3.53 SZ-L-2 404.81 ± 18.44 44.19 ± 3.48