合金元素对铝合金在泰国曼谷地区初期腐蚀行为的影响

王力,董超芳,张达威,孙晓光,Thee Chowwanonthapunya,满成,肖葵,李晓刚

Effect of Alloying Elements on Initial Corrosion Behavior of Aluminum Alloy in Bangkok, Thailand

Li WANG,Chaofang DONG,Dawei ZHANG,Xiaoguang SUN,Thee Chowwanonthapunya,Cheng MAN,Kui XIAO,Xiaogang LI

表2 EIS拟合电路各元件参数

Table2 Values of parameters observed from the EIS diagrams

Al alloy

R_e

Ω·cm²

R₁

Ω·cm²

Q₁

Ω^-1·cm^-2· $s^{n_{1}}$

R₂

Ω·cm²

Q₂

Ω^-1·cm^-2· $s^{n_{2}}$

5083

25.31

2.249×10⁶

7.041×10^-6

65.60

2.633×10^-6

6063

66.08

4.077×10⁶

6.094×10^-7

13.69

7.406×10^-6

7020

65.96

8.233×10⁵

6.094×10^-6

54.69

7.573×10^-6