热导型等离子弧焊电弧物理特性和熔池动态行为

李子晗, 忻建文, 肖笑, 王欢, 华学明, 吴东升

The Arc Physical Characteristics and Molten Pool Dynamic Behaviors in Conduction Plasma Arc Welding

LI Zihan, XIN Jianwen, XIAO Xiao, WANG Huan, HUA Xueming, WU Dongsheng

图2 熔池表面变形前后电弧剪切力方向

Fig.2 Directions of arc shear stress before (a) and after (b) the deformation of molten pool (o and n indicate horizontal vector and free surface normal vector, respectively)