Comparison of corrosion behavior of 2205 and 2507 duplex stainless steel in simulated flue gas condensate of a waste incineration power plant-Reference-Cited by-同舟云学术

Comparison of corrosion behavior of 2205 and 2507 duplex stainless steel in simulated flue gas condensate of a waste incineration power plant

Published:2021-08-16 Issue:5 Volume:39 Page:477-486
ISSN:2191-0316
Container-title:Corrosion Reviews
language:en
Short-container-title:

Author:

Ge Fang¹,Wang Xiaojie¹,Meng Xinjing¹,Huang Xin¹,Zhang Yi¹,Song Yanfang¹,Ge Honghua¹,Zhao Yuzeng¹

Affiliation:

1. Shanghai Engineering Research Center of Energy-Saving in Heat Exchange Systems, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power , Shanghai 200090 , China

Abstract

Abstract The corrosion behavior of duplex stainless steel 2205 DSS and 2507 DSS in simulated flue gas condensate of a waste incineration power plant at 180 °C was compared by micro-area electrochemical testing, surface and weight loss analysis. The results showed that the corrosion resistance of the two stainless steels decreased with the increase of Cl− concentration. After 48 h of corrosion, when the Cl− concentration was not less than 6 g·L−1, active sites where current density increased suddenly appeared on the surface of 2205 DSS, accompanied by the obvious increase of surface roughness and the weight loss. The lowest Cl− concentration that caused the appearance of active sites on the surface of 2507 DSS was 20 g·L−1, with less surface corrosion products and lower degree of general corrosion.

Publisher

Walter de Gruyter GmbH

Subject

General Materials Science,General Chemical Engineering,General Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/corrrev-2021-0011/pdf

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