不同磁场强度下铝镁合金腐蚀行为研究

黄连鹏, 张欣, 熊伊铭, 陶嘉豪, 王泽华, 周泽华

Corrosion Behavior of Al-3.0Mg-xRE/Fe Alloys Under Magnetic Field of Different Intensities

HUANG Lianpeng, ZHANG Xin, XIONG Yiming, TAO Jiahao, WANG Zehua, ZHOU Zehua

表3 不同磁场强度下Al-3Mg-xRE/Fe合金的Ecorr、Icorr与Epit

Table 3 Values of Ecorr, Icorr and Epitof Al-3.0Mg alloys with different contents of RE/Fe tested under 0, 0.2 and 0.4 T magnetic field derived from the polarization curves

Alloy Ecorr / V Icorr / μA·cm-2 Epit / V Al-3.0Mg 0 T -1.216 7.253 -0.821 0.2 T -1.192 6.928 -0.806 0.4 T -1.186 6.670 -0.799 Al-3.0Mg-0.2RE 0 T -1.243 6.788 -0.793 0.2 T -1.216 6.122 -0.781 0.4 T -1.193 5.815 -0.773 Al-3.0Mg-1.0RE 0 T -1.261 9.130 -0.836 0.2 T -1.236 8.999 -0.833 0.4 T -1.218 8.759 -0.839 Al-3.0Mg-0.2Fe 0 T -1.240 10.301 -0.841 0.2 T -1.229 8.998 -0.824 0.4 T -1.214 7.586 -0.819 Al-3.0Mg-1.0Fe 0 T -1.073 8.408 -0.805 0.2 T -1.034 6.987 -0.791 0.4 T -1.017 6.170 -0.783