电弧增材制造2024铝合金的微观组织与力学性能

吴东江, 刘德华, 张子傲, 张逸伦, 牛方勇, 马广义

Microstructure and Mechanical Properties of 2024 Aluminum Alloy Prepared by Wire Arc Additive Manufacturing

WU Dongjiang, LIU Dehua, ZHANG Ziao, ZHANG Yilun, NIU Fangyong, MA Guangyi

表1 2024铝合金焊丝和电弧增材制造(WAAM)成形件的化学成分 (mass fraction / %)

Table 1 Chemical compositions of 2024 wire and deposited specimen

Material Cu Mg Mn Ti Fe Si Zn Cr Al 2024 alloy standard 3.80-4.90 1.20-1.80 0.30-0.90 ≤ 0.15 ≤ 0.50 ≤ 0.15 ≤ 0.15 ≤ 0.15 Bal. Deposited wire 4.59 1.56 0.67 0.09 0.10 0.09 0.05 0.02 Bal. WAAM deposited specimen 4.59 1.38 0.66 0.09 0.09 0.09 0.04 0.02 Bal.