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Correlation between AC magnetic susceptibility and pitting behaviour of sigma-phase containing duplex stainless steel
Lo,Kin Ho1,2; Kwok,Chi Tat1,2; Kuan,Hong Cheng1,3; Chan,Weng Kin1; Ai,Wenji1
2015-11-02
Source PublicationAnti-Corrosion Methods and Materials
ISSN0003-5599
Volume62Issue:6Pages:371-378
AbstractPurpose – 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
DOI10.1108/ACMM-10-2013-1304
URLView the original
Language英语
Scopus ID2-s2.0-84945305865
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorLo,Kin Ho
Affiliation1.Department of Electromechanical Engineering,The University of Macau,Macau,Macao
2.Institute of Applied Physics and Materials Engineering,The University of Macau,Macau,Macao
3.Honours College,The University of Macau,Macau,Macao
First Author AffilicationUniversity of Macau;  INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author AffilicationUniversity of Macau;  INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Lo,Kin Ho,Kwok,Chi Tat,Kuan,Hong Cheng,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 Lo,Kin Ho,Kwok,Chi Tat,Kuan,Hong Cheng,Chan,Weng Kin,&Ai,Wenji.(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 Lo,Kin Ho,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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