Sn、Al对无镍白铜耐腐蚀性能的影响

王帅,刘新宽,刘平,陈小红,李伟,马凤仓,何代华,张珂

Effect of Sn and Al on Corrosion Resistance of Ni-free White Copper Alloy

Shuai WANG,Xinkuan LIU,Ping LIU,Xiaohong CHEN,Wei LI,Fengcang MA,Daihua HE,Ke ZHANG

表1 1~7号合金的主要化学成分 (mass fraction / %)

Table 1 Main chemical compositions of alloy No.1~7 (mass fraction / %)

Alloy number Cu Zn Mn Sn Al 1# BALANCE 20 25 --- --- 2# BALANCE 20 25 0.4 --- 3# BALANCE 20 25 0.6 --- 4# BALANCE 20 25 0.8 --- 5# BALANCE 20 25 --- 0.3 6# BALANCE 20 25 --- 0.6 7# BALANCE 20 25 --- 0.9