Ti对Zn-5Al合金组织及耐腐蚀性能的影响

刘子利, 刘希琴, 王怀涛, 胡金东, 侯志国

Effect of Ti Addition on Microstructure and Corrosion Property of Zn-5Al Alloy

LIU Zili, LIU Xiqin, WANG Huaitao, HU Jindong, HOU Zhiguo

表2 极化曲线经Tafel拟合得到的I_corr, b_a 和 b_c值

Table 2 Values of I_corr, b_a and b_c, deduced from polarization measurements

Alloy	I_corr μA/cm²	b_c mV/dec	b_a mV/dec
Zn-5Al	6.4	56	34
Zn-5Al-0.1Ti	3.6	38	28
Zn-5Al-0.15Ti	1.1	23	14
Zn-5Al-0.2Ti	1.5	31	25