THE ROLE OF PSEUDOMONAS-AERUGINOSA ON THE LOCALIZED CORROSION OF 304-STAINLESS STEEL

被引：47
|
作者：
MORALES, J
ESPARZA, P
GONZALEZ, S
SALVAREZZA, R
AREVALO, MP
机构：
[1] INIFTA,RA-1900 LA PLATA,ARGENTINA
[2] UNIV LA LAGUNA,FAC MED,CATEDRA MED PREVENT & SOCIAL,LA LAGUNA,SPAIN
来源：
CORROSION SCIENCE | 1993年 / 34卷 / 09期
关键词：
D O I：
10.1016/0010-938X(93)90246-D
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of Pseudomonas aeruginosa on the corrosion resistance of 304 stainless steel in neutral buffered solutions containing 0.5 M NaCl was studied by using potentiodynamic and potentiostatic techniques complemented with scanning electron microscopy. Results showed that the growth of Pseudomonas aeruginosa in the medium decreased the resistance of the localized corrosion of 304 stainless steel specimens. This effect can be explained by the formation of microcrevices under the biological deposits and by passive film thinning due to the production of aggressive metabolites.
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页码：1531 / 1540
页数：10
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