脉冲电流辅助等离子弧焊Al-Mg合金晶粒细化机理 |
袁涛, 赵晓虎, 蒋晓青, 任学磊, 李博阳 |
Mechanism of Grain Refinement of Pulse Current Assisted Plasma Arc Welded Al-Mg Alloy |
YUAN Tao, ZHAO Xiaohu, JIANG Xiaoqing, REN Xuelei, LI Boyang |
图4 传统脉冲电流等离子弧焊焊缝横截面偏光图 |
Fig.4 Polarization micrographs of cross-section of conventional pulse current PAW (a) C0 (b) S1 (c) S2 (d) S3 (e) S4 (f) S5 |
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