On the pitting behaviour of laser powder bed fusion prepared 316L stainless steel upon post-processing heat treatments

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dc.contributor.authorWang, Ke
dc.contributor.authorChao, Qi
dc.contributor.authorAnnasamy, Murugesan
dc.contributor.authorHodgson, Peter Damian
dc.contributor.authorThomas, Sebastian
dc.contributor.authorBirbilis, Nick
dc.contributor.authorFabijanic, Daniel
dc.date.accessioned2025-02-10T22:13:29Z
dc.date.available2025-02-10T22:13:29Z
dc.date.issued2022
dc.date.updated2024-01-07T07:15:35Z
dc.description.abstractType 316L stainless steel manufactured by laser powder bed fusion (LPBF) in conjunction with appropriate post-treatment has been demonstrated to offer superior pitting resistance and a distinct pitting mechanism compared to wrought 316L. This work examines the effect of post-processing annealing time, temperature and microstructural changes on the pitting behaviour of LPBF 316L using potentiodynamic and potentiostatic polarisation in 0.6 M NaCl. Preferential pitting at melt pool boundaries was observed, due to heterogeneity of micro-strain or lattice imperfection. High temperature annealing resulted in the transformation of amorphous oxides with associated Cr-depletion, leading to a reduction of Epit and Erp.
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn0010-938X
dc.identifier.urihttps://hdl.handle.net/1885/733735185
dc.language.isoen_AUen_AU
dc.publisherPergamon Press Ltd.
dc.relationhttp://purl.org/au-research/grants/arc/IH130100008
dc.rights©2021 The authors
dc.sourceCorrosion Science
dc.subjectStainless steel
dc.subjectPolarisation
dc.subjectPotentiostatic
dc.subjectPitting corrosion
dc.subjectRepassivation
dc.titleOn the pitting behaviour of laser powder bed fusion prepared 316L stainless steel upon post-processing heat treatments
dc.typeJournal article
local.bibliographicCitation.startpage13
local.contributor.affiliationWang, Ke, Deakin University
local.contributor.affiliationChao, Qi, Deakin University
local.contributor.affiliationAnnasamy, Murugesan, Deakin University
local.contributor.affiliationHodgson, Peter Damian, Deakin University
local.contributor.affiliationThomas, Sebastian , Monash University
local.contributor.affiliationBirbilis, Nick, College of Engineering, Computing and Cybernetics, ANU
local.contributor.affiliationFabijanic, Daniel, Deakin University
local.contributor.authoruidBirbilis, Nick, u1066695
local.description.embargo2099-12-31
local.description.notesImported from ARIES
local.identifier.absfor401600 - Materials engineering
local.identifier.ariespublicationa383154xPUB24613
local.identifier.citationvolume197
local.identifier.doi10.1016/j.corsci.2021.110060
local.identifier.scopusID2-s2.0-85122109620
local.publisher.urlhttps://www.sciencedirect.com/
local.type.statusPublished Version
publicationvolume.volumeNumber197

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