深水压力-流速交互作用下Al-Zn-In牺牲阳极的自腐蚀行为研究

张睿, 崔宇, 刘莉, 王福会

Effect of Synergy of Water Pressure and Flow Speed on Free-corrosion Behavior of Al-Zn-In Sacrificial Anode in Deep-sea Envioronmem

ZHANG Rui, CUI Yu, LIU Li, WANG Fuhui

表1 不同环境条件下Al-Zn-In牺牲阳极自腐蚀48 h后的EIS拟合结果

Table 1 Fitting results of the EIS for the self-corrosion of Al-Zn-In after 48 h of immersion

Conditions	W / Ω·cm²	R_s / Ω·cm²	CPE₁ / μF·cm^-2	n₁	R₁ / Ω·cm²	CPE₂ / μF·cm^-2	n₂	R₂ / Ω·cm²	R₀ / Ω·cm²	L / H·cm²	∑χ² / 10^-4
10 MPa, 3 m/s	0.051	4.882	157.7	0.726	15.77	572.4	0.757	204	167.5	62.53	3.36
0.1 MPa, 3 m/s	0.058	6.097	187	0.727	8.582	394.2	0.816	248.9	168.7	117.5	2.76
10 MPa, 0 m/s	---	6.792	110	0.793	6.265	187.5	0.859	305.3	164.3	176	2.39
0.1 MPa, 0 m/s	---	8.479	90.64	0.808	5.134	193.2	0.857	335.6	189.2	158.5	2.25