磁场对纯Cu微生物腐蚀行为的影响

卫晓阳,杨丽景,吕战鹏,郑必长,宋振纶

Influence of Magnetic Field on Corrosion of Pure Cu in Artificial Seawater with Multispecies Aerobic Bacteria

Xiaoyang WEI,Masoumeh MORADI,Lijing YANG,Zhanpeng LV,Bizhang ZHENG,Zhenlun SONG

表2 Cu在未施加磁场和施加磁场的溶液中浸泡10 d后的极化参数

Table 2 Polarization parameters for pure copper immersed in bacteria-bearing seawater for 10 d under the magnetic fields of 0, 28 and 60 mT

Sample	E_corr / V (vs SCE)	I_corr / μA·cm^-2	β_c / mV·dec^-1	β_a / mV·dec^-1	Corrosion rate / 10^-3 mm·a^-1
Without MF	-0.269	1.740	-75	85	25.50
With 28 mT MF	-0.316	0.637	-53	58	9.34
With 60 mT MF	-0.308	0.559	-67	53	8.21