大变形量高强高导Al-Mg-Si合金线的腐蚀机制研究

李凤铭, 侯嘉鹏, 谢光宗, 吴细毛, 王强, 张哲峰

Corrosion Behavior of High Strength and High Electrical Conductivity Al-Mg-Si Alloy Wires with Large Area Reduction

LI Fengming, HOU Jiapeng, XIE Guangzong, WU Ximao, WANG Qiang, ZHANG Zhefeng

表2 变形量为55.3%和84.7%的Al-Mg-Si合金线的动电位极化曲线的相关参数

Table 2 Parameters extrated from the dynamic potential polarization curves of Al-Mg-Si alloy wires with 55.3% and 84.7% area reduction, respectively

Area reduction / % EcorrV vs SCE IcorrA·cm-2 RpkΩ·cm2 Vcorrmm·a-1 EpV vs SCE 55.3 -0.86 5.71×10-5 345.32 0.95 -0.29 84.7 -0.83 4.27×10-6 5415.38 0.07 -0.23