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3 由极化曲线测得的电化学参数

Table 3 Electrochemical parameters obtained from polarization curves

Alloy number βAV·dec-1 βCV·dec-1 EcorrV IcorrA·cm-2 RpkΩ·cm2 1# 0.111 -0.147 -0.546 8.166×10-6 3.367 4# 0.150 -0.206 -0.458 3.759×10-6 10.039 7# 0.082 -0.202 -0.481 5.408×10-6 4.690