High temperature and stress corrosion cracking of 310S austenitic stainless steel in wet chloride corrosive environment

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Publication Details

Author list: Pornpibunsompop T., Thanakijkasem P.

Publisher: Faculty of Metallurgy

Publication year: 2018

Volume number: 57

Issue number: #

Start page: 83

End page: 86

Number of pages: 4

ISSN: 0543-5846

eISSN: 0543-5846

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85042162174&partnerID=40&md5=b8cdaab248211db4efdcf5c329951cdf

Languages: English-Great Britain (EN-GB)

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Abstract

High temperature corrosion and stress corrosion cracking of 310S austenitic stainless steel in wet chloride environment at a high temperature was investigated. The result showed that high temperature corrosion products mostly consisted of ferrous oxides and chromium oxides. Chloride ions attacked a chromium passive film and strongly reacted with iron and chromium. As a result of metal chlorides being volatized, tunnel of pores inside corrosion layer existed. Intergranular stress corrosion cracking was observed. The oxide originated on surface could act as a crack initiator and a crack propagation would progress along grain boundaries and particularly along tunnel of pores. ฉ 2018, Faculty of Metallurgy. All rights reserved.

Keywords

Stress corrosion cracking, X-ray methods