铜绿假单胞菌对<strong>CrCoNi</strong>中熵合金微生物腐蚀行为的影响

铜绿假单胞菌对CrCoNi中熵合金微生物腐蚀行为的影响

冯浩,李花兵,路鹏冲,杨纯田,姜周华,武晓雷

Investigation on Microbiologically Influenced Corrosion Behavior of CrCoNi Medium-Entropy Alloy byPseudomonas Aeruginosa

Hao FENG,Huabing LI,Pengchong LU,Chuntian YANG,Zhouhua JIANG,Xiaolei WU

表2 CrCoNi中熵合金与316L不锈钢在无菌及含铜绿假单胞菌培养基中EIS拟合参数

Table 2 Fitting parameters for EIS of CrCoNi MEA and 316L SS in sterile medium and P. aeruginosa medium

Sample	Duration	R_s	Q_fY	n_f	R_f	Q_dlY	n_dl	R_ct	Σχ²
	d	Ω·cm²	μF·cm^-2·Sⁿ		Ω·cm²	μF·cm^-2·Sⁿ		10⁶ Ω·m²	10^-3
CrCoNi MEA in sterile medium	1	6.73	20.20	0.93	13.1	10.40	0.92	1.22	0.22
	4	7.09	18.85	0.93	46.2	6.03	0.92	7.14	0.34
	7	7.26	18.20	0.93	35.6	6.39	0.91	9.73	0.41
	10	7.01	18.58	0.93	29.5	6.62	0.92	7.85	0.27
	14	7.34	18.68	0.93	41.0	5.97	0.92	13.46	0.28
CrCoNi MEA in P. aeruginosa medium	1	8.07	22.24	0.90	26.0	9.40	0.89	1.38	0.18
	4	6.49	21.79	0.90	144.2	5.02	0.91	0.83	0.74
	7	6.58	23.57	0.90	131.7	6.31	0.91	0.77	0.67
	10	6.73	20.46	0.91	195.3	4.15	0.92	1.14	0.65
	14	6.90	17.86	0.91	314.0	2.86	0.93	2.76	0.68
316 SS in P. aeruginosa medium	1	5.85	79.50	0.86	30.9	41.90	0.85	0.29	0.64
	4	5.42	43.27	0.85	607.2	9.24	0.92	1.06	1.08
	7	5.85	52.09	0.85	521.0	6.17	0.88	0.55	0.67
	10	4.86	64.74	0.87	802.5	24.97	0.86	2.58	0.23
	14	4.81	79.43	0.86	689.3	26.08	0.86	1.46	0.17