基于熔池原位冶金的电弧增材制造Al-Cu-Li合金显微组织与硬度

黎康杰, 孙泽羽, 何蓓, 田象军

Microstructure and Hardness of Al-Cu-Li Alloy Fabricated by Arc Additive Manufacturing Based on In Situ Metallurgy of Molten Pool

LI Kangjie, SUN Zeyu, HE Bei, TIAN Xiangjun

表2 各种工艺下合金试样的Vickers硬度[11,24,25]

Table 2 Average Vickers hardnesses of the alloy samples under various processes[11,24,25]

Process Material State Vickers hardness / HV0.1 Ref. MIG 2219 + Al-Li powder As-build 126.7 ± 2.1 This work TIG 2219 + TiC As-build 97.5 ± 2.5 [11] TIG 2219 As-build 89 ± 4 [24] Laser + TIG 2219 As-build 92.6 ± 3.7 [25]