搅拌头转速对2507双相不锈钢搅拌摩擦加工组织及性能的影响

陈果, 王新波, 张仁晓, 马成悦, 杨海峰, 周利, 赵运强

Effect of Tool Rotation Speed on Microstructure and Properties of Friction Stir Processed 2507 Duplex Stainless Steel

CHEN Guo, WANG Xinbo, ZHANG Renxiao, MA Chengyue, YANG Haifeng, ZHOU Li, ZHAO Yunqiang

图4 搅拌头转速400 r/min时2507双相不锈钢搅拌摩擦加工区各区域微观组织的EBSD像 (a) BM (b) TMAZ (c) SZ

Fig.4 EBSD images of microstructure of various zones in the processing zone of friction stir processed 2507 duplex stainless steel at tool rotation speed of 400 r/min (LAGB—low angle grain boundary, HAGB—high angle grain boundary, CSL—coincidence site lattice)