Intergranular corrosion behavior of low-chromium ferritic stainless steel without Cr-carbide precipitation after aging

Hu, Shuai; Mao, Yaozong; Liu, Xianbin; Han, En-Hou; Hänninen, Hannu

Aaltodoc
→
6b Artikkelit / Articles from Research information portal
→
[article-cris] Insinööritieteiden korkeakoulu / ENG
→
View Item

Intergranular corrosion behavior of low-chromium ferritic stainless steel without Cr-carbide precipitation after aging

Altmetrics



Title:	Intergranular corrosion behavior of low-chromium ferritic stainless steel without Cr-carbide precipitation after aging
Author(s):	Hu, Shuai ; Mao, Yaozong ; Liu, Xianbin ; Han, En-Hou ; Hänninen, Hannu
Date:	2020-04-15
Language:	en
Department:	Chinese Academy of Sciences Tsinghua University Department of Mechanical Engineering
Series:	Corrosion Science, articlenumber 108420
ISSN:	0010-938X
DOI-number:	10.1016/j.corsci.2019.108420
Keywords:	Ferritic stainless steel, Intergranular corrosion, Segregation, Cr-Carbide, Aging
» Show full item record
This publication is imported from Aalto University Research information portal: https://research.aalto.fi > View this publication in Research information portal > Other link related to publication (Research information portal) > View/Open full text file from Research information portal
Citation: Hu , S , Mao , Y , Liu , X , Han , E-H & Hänninen , H 2020 , ' Intergranular corrosion behavior of low-chromium ferritic stainless steel without Cr-carbide precipitation after aging ' , Corrosion Science , vol. 166 , 108420 . https://doi.org/10.1016/j.corsci.2019.108420
Abstract: The intergranular corrosion behavior of the low-chromium ferritic stainless steel without Cr-carbide precipitation was investigated by the methods of qualitative and quantitative corrosion testing and microstructural analysis. The intergranular corrosion susceptibility of the aged stainless steels can be attributed to the Cr-depleted zone formation induced by Cr-C co-segregation to grain boundaries before Cr-carbide nucleation. The change of intergranular corrosion morphology after aging at 450 °C from discontinuous (aged for 2 h) to semi-continuous (aged for 20 h) and to continuous (aged for 200 h) is discussed in detail.

Permanent link to this item: http://urn.fi/URN:NBN:fi:aalto-202001171653 Email this Export to RefWorks QR Code Print BibTex Tweet