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Role of complex nonmetallic inclusions on the localized corrosion resistance of wire arc additively manufactured super duplex stainless steel
Huang, Xianhang1,2; Qiu, Wenfeng2; Niu, Ben1; Zou, Xiaodong1; Pan, Linlin1; Kwok, Chi Tat3,4
2024-01
Source PublicationJournal of Materials Research and Technology
ISSN2238-7854
Volume28Pages:799-813
Abstract

This study investigated the correlation between the MnS·xMnO·yAlO·zSiO·TiN complex inclusions and localized corrosion initiation of the wire arc additively manufactured (WAAMed) super duplex stainless steel (SDSS) part. The results showed that partial dissolution of crystalline MnS within the complex inclusions generated an acidic aggressive environment to led the dissolution of amorphous oxides part, thereby triggering the process of localized corrosion. Additionally, micro-crevices between the inclusions and metallic matrix exacerbated localized corrosion. Finally, the catalytic-occluded cells accelerated propagation of pits. Hence, formation of high density of inclusions resulted in the poor localized corrosion resistance and repassivation ability of the as-built WAAMed SDSS.

KeywordInclusions Localized Corrosion Super Duplex Stainless Steel Wire Arc Additive Manufacturing
DOI10.1016/j.jmrt.2023.12.072
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:001139841600001
PublisherELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS
Scopus ID2-s2.0-85179754427
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Citation statistics
Document TypeJournal article
CollectionFaculty of Science and Technology
INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
DEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Corresponding AuthorPan, Linlin; Kwok, Chi Tat
Affiliation1.Guangdong Provincial Key Laboratory of Advanced Welding Technology, China-Ukraine Institute of Welding, Guangdong Academy of Sciences, Guangzhou, China
2.South China Advanced Institute for Soft Matter Science and Technology, School of.Emergent Soft Matter, South China University of Technology, Guangzhou, China
3.Department of Electromechanical Engineering, University of Macau, Macau, China
4.Institute of Applied Physics and Materials Engineering, University of Macau, Macau, China
Corresponding Author AffilicationUniversity of Macau;  INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Huang, Xianhang,Qiu, Wenfeng,Niu, Ben,et al. Role of complex nonmetallic inclusions on the localized corrosion resistance of wire arc additively manufactured super duplex stainless steel[J]. Journal of Materials Research and Technology, 2024, 28, 799-813.
APA Huang, Xianhang., Qiu, Wenfeng., Niu, Ben., Zou, Xiaodong., Pan, Linlin., & Kwok, Chi Tat (2024). Role of complex nonmetallic inclusions on the localized corrosion resistance of wire arc additively manufactured super duplex stainless steel. Journal of Materials Research and Technology, 28, 799-813.
MLA Huang, Xianhang,et al."Role of complex nonmetallic inclusions on the localized corrosion resistance of wire arc additively manufactured super duplex stainless steel".Journal of Materials Research and Technology 28(2024):799-813.
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