铝含量对镍铝合金在稀硫酸溶液中的腐蚀行为影响

杜广, 芦国强, 邓龙辉, 蒋佳宁, 曹学强

Effect of Aluminum Content on Corrosion Behavior of Ni-Al Alloys in Dilute Sulfuric Acid Solution

DU Guang, LU Guoqiang, DENG Longhui, JIANG Jianing, CAO Xueqiang

表2 4种合金样品极化曲线拟合参数

Table 2 Fitting parameters of polarization curves of four Ni-Al alloys

Sample	E_corr mV	I_corr µA·cm^-2	b_a mV·dec^-1	b_c mV·dec^-1
Ni₇₅Al₂₅	-0.211	11.88	38.65	128.96
Ni₈₀Al₂₀	-0.223	37.3	47.79	126.09
Ni₈₅Al₁₅	-0.224	13.72	47.4	142.41
Ni₉₅Al₅	-0.172	9.25	35.57	139.12