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 19 T6热处理后拉伸试样的断口形貌
Fig.19 Fracture morphology of tensile specimen after T6 heat treatment