Zn含量对Al-Zn-Mg-Cu合金挤压棒材耐剥落腐蚀性能的影响

杨臻珅,刘胜胆,唐建国,叶凌英

Effect of Zn Content on Exfoliation Corrosion Resistance of Al-Zn-Mg-Cu Alloy Extruded Rod

Zhenshen YANG,Shengdan LIU,Jianguo TANG,Lingying YE

表2 三种合金电化学参数

Table 2 The electrochemical parameters of the three alloys

Alloys 1# 2# 3# Ecorr,SCE/mV -787±4 -794±3 -802±6 Icorr/μA·cm-2 2.553±0.078 5.104±0.094 6.958±0.116