热处理工艺对Ti6321合金腐蚀行为的影响

张佳欢, 崔中雨, 范林, 孙明先

Effect of Heat Treatment Process on Corrosion Resistance of Ti6321 Alloy

ZHANG Jiahuan, CUI Zhongyu, FAN Lin, SUN Mingxian

表1 3种钛合金试样在人工海水中极化曲线的Tafel拟合结果

Table 1 Tafel fitting results of polarization curves of Ti6321 alloy samples with three different structures in artificial seawater

Structure Ecorr / VSCE Ip / A·cm-2 Epit / VSCE Icorr / A·cm-2 Double -0.45 4.95×10-6 --- 3.39×10-7 Equiaxed -0.52 5.11×10-6 --- 4.49×10-6 Widmanstatten -0.57 6.21×10-6 --- 5.80×10-6