Cu和Sn对钎焊料4343Al合金组织性能的影响

赵媛媛, 章桢彦, 靳丽, 董杰

Effect of Cu and Sn Addition on Microstructure and Properties of Brazing Filler 4343 Al Alloy

ZHAO Yuanyuan, ZHANG Zhenyan, JIN Li, DONG Jie

表1 设计合金的化学成分

Table 1 Chemical composition of new Al alloys (mass fraction, %)

New alloy Cu Si Fe Mn Mg Zn Sn Al Cu0 0.01 7.98 0.60 0.11 0.02 0.18 - Bal. Cu0.25(4343) 0.26 8.03 0.63 0.11 0.00 0.19 - Bal. Cu0.6 0.65 7.96 0.61 0.11 0.00 0.18 - Bal. Cu1.0 1.12 7.86 0.61 0.11 0.00 0.19 - Bal. Sn0.1 0.24 7.80 0.57 0.10 0.05 0.19 0.10 Bal. Sn0.25 0.25 7.97 0.61 0.11 0.03 0.19 0.25 Bal. Sn0.5 0.24 8.00 0.63 0.11 0.01 0.19 0.53 Bal. Sn1.0 0.25 7.98 0.65 0.11 0.01 0.19 1.06 Bal.