Study of Corrosion Resistance of SSs for Food and Beverage Industry

被引：0

作者：

Tranchida, G. ^{[1
]}

Di Franco, F. ^{[1
]}

Megna, B. ^{[1
]}

Santamaria, M. ^{[1
]}

机构：

[1] Univ Palermo, Dipartimento Ingn, Palermo, Italy

来源：

METALLURGIA ITALIANA | 2020年 / 112卷 / 04期

关键词：

STAINLESS STEEL; CORROSION; PASSIVE FILMS; EIS; FOOD INDUSTRY; PHOTOELECTROCHEMISTRY; FILMS;

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

In the present study we performed the physico-chemical characterization of passive films grown on different stainless steel grades after long exposure time in hot purified water (HPW). In order to get more insight into dissolution phenomena that can induce rouging on equipment materials typically involved in food and beverage industries, 304L, 316L and a super duplex 2507 SS samples were passivated at the open circuit potential by different immersion times in HPW at 60 degrees C. Photoelectrochemical and Electrochemical Impedance measurements were performed in the attempt to correlate the electronic properties of the passive films (band gap and conductivity type) to their corrosion resistance.

引用

页码：16 / 21

页数：6

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