锆基非晶合金与传统合金在海水中的耐腐蚀性能对比研究

马晓伟, 薛荣洁, 王涛涛, 杨亮, 刘珍光

Comparison of Corrosion Resistance of Zr-based Amorphous Alloys and Traditional Alloys in Seawater

MA Xiaowei, XUE Rongjie, WANG Taotao, YANG Liang, LIU Zhenguang

表2 4种合金极化曲线拟合电化学参数

Table 2 Fitting electrochemical parameters of potentiodynamic polarization curves of fourtest alloys

Sample Material Ecorr / mV Icorr / A·cm-2 Epit / mV 3.5%NaCl Vit 1 -315 2.8 × 10-8 -148 Zr55 alloy -318 2.7 × 10-7 -145 304 stainless steel -331 8.1 × 10-7 -101 6082 Al-alloy -788 1.0 × 10-6 -658 Seawater solution Vit1 -321 7.6 × 10-8 -79 Zr55 alloy -355 3.0 × 10-7 -121 304 stainless steel -371 1.3 × 10-6 -127 6082 Al-alloy -870 2.3 × 10-6 -740