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7 晶粒取向、晶粒尺寸分布及晶界角分布图

Fig.7 Grain orientations (a1-c1), grain size distributions (a2-c2), and grain boundary angle distributions (a3-c3) of C0 (a1-a3), S4 (b1-b3), and D4 (c1-c3) samples