熔滴复合电弧增材制造2219铝合金组织与性能
王勇超,魏正英,贺鹏飞

Structure and property of 2219 aluminum alloy fabricated by droplet+arc additive manufacturing
Yongchao WANG,Zhengying WEI,Pengfei HE
图 3 GTA电流波形
Fig.3 GTA current waveform