9C系列粉末冶金高耐蚀铝合金腐蚀行为研究

房豪杰, 曲华, 杨黎晖, 曾庆亚, 王丽丹, 袁宁, 侯保荣, 曹立新, 袁迅道

Corrosion Behavior of 9C Series of Powder Metallurgy Al-alloy with High Corrosion Resistance

FANG Haojie, QU Hua, YANG Lihui, ZENG Qingya, WANG Lidan, YUAN Ning, HOU Baorong, CAO Lixin, YUAN Xundao

表6 3种铝合金在pH8.3的不同温度模拟海水溶液中等效电路元件拟合结果

Table 6 Fitting results of EIS of three Al-alloys in simulated seawater with pH8.3 at different temperatures

Al-alloy T / ℃ Rs / Ω·cm2 R1 / Ω·cm2 C1 / F·cm-2 n1 9C34 15 4.374 8485 9.051×10-6 0.9306 25 3.378 8689 9.012×10-6 0.9375 35 1.808 1027 1.297×10-5 0.8597 9C37 15 4.052 8577 8.955×10-6 0.9312 25 2.787 14780 6.406×10-6 0.9624 35 1.349 5361 8.826×10-6 0.9166 5083 15 4.882 10970 7.224×10-6 0.9472 25 3.751 17920 5.601×10-6 0.9647 35 2.283 1919 1.305×10-5 0.9022