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Effects of nitriding on salt spray corrosion resistance of additively manufactured 17-4 PH steels

dc.contributor.authorMichla, J. R. J.
dc.contributor.authorRajini, N.
dc.contributor.authorIsmail, Sikiru O.
dc.contributor.authorPrabhu, T. R.
dc.contributor.authorMohammad , F.
dc.contributor.authorSiengchin, S.
dc.contributor.authorDevi, M. P. I.
dc.date.accessioned2022-11-18T16:15:02Z
dc.date.available2022-11-18T16:15:02Z
dc.date.issued2023-01-01
dc.identifier.citationMichla , J R J , Rajini , N , Ismail , S O , Prabhu , T R , Mohammad , F , Siengchin , S & Devi , M P I 2023 , ' Effects of nitriding on salt spray corrosion resistance of additively manufactured 17-4 PH steels ' , Materials Letters , vol. 330 , 133258 , pp. 1-5 . https://doi.org/10.1016/j.matlet.2022.133258
dc.identifier.issn0167-577X
dc.identifier.otherORCID: /0000-0003-1451-1736/work/123144030
dc.identifier.urihttp://hdl.handle.net/2299/25905
dc.description© 2022 Published by Elsevier B.V. This is the accepted manuscript version of an article which has been published in final form at https://doi.org/10.1016/j.matlet.2022.133258
dc.description.abstractThis work addresses the effects of varying nitriding temperatures of 530, 560 and 580 ◦C for 2 h on corrosion resistance of additively manufactured (AM) 17-4 PH steels, using neutral salt spray (NSS) method for 104 h. The morphological analysis indicated the presence of columnar grains along the built direction of additive manufacturing process. The refined grain size and the amount of the precipitates increased with an increasing nitriding temperature. The results of the analysis showed that a minimum weight loss was observed at 580 ◦C, due to the formation of passive oxide layer and nitrogen rich precipitates on the surface. The X-ray diffraction (XRD) showed the presence of these compounds: Cr2N, (Fe, Cr)4N, (Fe, Cr)2-3N, Fe2O3, FeOOH, and Cr2O3 on the nitrided sample after the salt spray test.en
dc.format.extent5
dc.format.extent782956
dc.language.isoeng
dc.relation.ispartofMaterials Letters
dc.subjectAdditive manufacturing
dc.subjectCorrosion
dc.subjectGrain boundaries
dc.subjectMicrostructure
dc.subjectNitriding
dc.subjectGeneral Materials Science
dc.subjectCondensed Matter Physics
dc.subjectMechanics of Materials
dc.subjectMechanical Engineering
dc.titleEffects of nitriding on salt spray corrosion resistance of additively manufactured 17-4 PH steelsen
dc.contributor.institutionCentre for Engineering Research
dc.contributor.institutionMaterials and Structures
dc.contributor.institutionSchool of Physics, Engineering & Computer Science
dc.contributor.institutionDepartment of Engineering and Technology
dc.contributor.institutionCentre for Climate Change Research (C3R)
dc.contributor.institutionCentre for Future Societies Research
dc.description.statusPeer reviewed
dc.date.embargoedUntil2023-09-29
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=85140748628&partnerID=8YFLogxK
rioxxterms.versionofrecord10.1016/j.matlet.2022.133258
rioxxterms.typeJournal Article/Review
herts.preservation.rarelyaccessedtrue


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