四种飞机起落架用钢在模拟海水中的腐蚀行为研究

赵连红, 王英芹, 刘元海, 何卫平, 王浩伟

Corrosion Behavior of Four Steels for Landing Gear of Amphibious Aircraft in Simulated Seawater

ZHAO Lianhong, WANG Yingqin, LIU Yuanhai, HE Weiping, WANG Haowei

表3 电化学阻抗谱拟合的电化学参数

Table 3 Fitted electrochemical parameters for EIS

Material	R_s Ω·cm²	CPE_dl Ω^-1·cm^-2·s^-ⁿ	n₁	R_ct Ω·cm²	CPE_f Ω^-1·cm^-2·s^-ⁿ	n₂	R_f Ω·cm²	R_p Ω·cm²	Model
30CrMnSiA steel	5.9	3.19 × 10^-4	0.8	230.0	2.06 × 10^-3	0.4	794.5	1024.5	B
30CrMnSiNi2A steel	6.2	1.72 × 10^-3	0.6	704.8	5.91 × 10^-4	0.8	377.7	1082.5	B
300M steel	8.1	7.61 × 10^-4	0.7	733.3	-	-	-	733.3	A
A100 steel	7.3	2.493 × 10^-4	0.8	7974	-	-	-	7974	A