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Correlation between AC magnetic susceptibility and pitting behaviour of sigma-phase containing duplex stainless steel
Kin Ho Lo1,2; Chi Tat Kwok1,2; Hong Cheng Kuan1,3; Weng Kin Chan1,3; Wenji Ai1
2015
Source PublicationAnti-corrosion methods and materials
ISSN0003-5599
Volume62Issue:6Pages:371-378
Abstract

Purpose – The purpose of this paper is to characterize the pitting behaviour of sigma-phase-containing duplex stainless steel and investigate the correlation between magnetic susceptibility and pitting potentials. Design/methodology/approach – Use an alternating current (AC) magnetic susceptometer to trace the change in magnetic susceptibility associated with sigma phase formation and systematic study of the effects of sigma precipitation on pitting parameters as obtained using the anodic potentiodynamic polarization test. Findings – The precipitation of sigma phase impairs the general and pitting corrosion resistance of duplex stainless steel. The pitting potential, the corrosion potential and the AC magnetic susceptibility have good correlations. Unlike the pitting potential and the corrosion potential, the passive current and the corrosion current do not seem to possess any trend with annealing time. Originality/value – The correlation between AC magnetic susceptibility and pitting parameters has not been reported in the literature before.

KeywordCorrosion Materials Pitting
DOIhttps://doi.org/10.1108/ACMM-10-2013-1304
URLView the original
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000368329700003
PublisherEMERALD GROUP PUBLISHING LTD, HOWARD HOUSE, WAGON LANE, BINGLEY BD16 1WA, W YORKSHIRE, ENGLAND
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被引频次[WOS]:1   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题DEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Affiliation1.Department of Electromechanical Engineering, The University of Macau, Macau, China
2.Institute of Applied Physics and Materials Engineering, The University of Macau, Macau, China
3.Honours College, The University of Macau, Macau, China
First Author AffilicationUniversity of Macau;  INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
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Kin Ho Lo,Chi Tat Kwok,Hong Cheng Kuan,et al. Correlation between AC magnetic susceptibility and pitting behaviour of sigma-phase containing duplex stainless steel[J]. Anti-corrosion methods and materials,2015,62(6):371-378.
APA Kin Ho Lo,Chi Tat Kwok,Hong Cheng Kuan,Weng Kin Chan,&Wenji Ai.(2015).Correlation between AC magnetic susceptibility and pitting behaviour of sigma-phase containing duplex stainless steel.Anti-corrosion methods and materials,62(6),371-378.
MLA Kin Ho Lo,et al."Correlation between AC magnetic susceptibility and pitting behaviour of sigma-phase containing duplex stainless steel".Anti-corrosion methods and materials 62.6(2015):371-378.
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