基于熔池原位冶金的电弧增材制造<strong>Al-Cu-Li</strong>合金显微组织与硬度

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

图4 EDS点阵示意图和Scheil公式拟合结果

Fig.4 EDS point analysis lattice diagram (a) and fitting results of Scheil formula (b) (C_s—solute content (mass fraction, %), f_s—solid fraction, $K_{C u}^{E D S}$ —practical distribution coefficient of Cu)