Effect of the substrate hardness on particle morphology in high velocity thermal spray coatings

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dc.contributor.author Trompetter, William en
dc.contributor.author Hyland, Margaret en
dc.contributor.author McGrouther, D en
dc.contributor.author Munroe, P en
dc.contributor.author Markwitz, A en
dc.date.accessioned 2012-02-29T22:59:49Z en
dc.date.issued 2006 en
dc.identifier.citation Journal of Thermal Spray Technology 15(4):663-669 2006 en
dc.identifier.issn 1059-9630 en
dc.identifier.uri http://hdl.handle.net/2292/12363 en
dc.description.abstract In this study, Ni-chrome alloy particles were thermally sprayed onto a variety of substrate materials using the high-velocity air fuel (HVAF) technique. Although the various substrate materials were sprayed using identical powder material and thermal spray conditions, the type and variation of splat morphologies were strongly dependent on the substrate material. Predominantly solid splats are observed penetrating deeply into softer substrates, such as aluminum, whereas molten splats were observed on harder substrates, which resisted particle penetration. The observed correlation between molten splats and substrate hardness could be due a dependency of deposition efficiencies of solid and molten splats on the substrate material. However, it was found that conversion of particle kinetic energy into plastic deformation and heat, dependent on substrate hardness, can make a significant contribution towards explaining the observed behavior. en
dc.publisher Springer en
dc.relation.ispartofseries Journal of Thermal Spray Technology en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from http://www.sherpa.ac.uk/romeo/issn/1059-9630/ en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Effect of the substrate hardness on particle morphology in high velocity thermal spray coatings en
dc.type Journal Article en
dc.identifier.doi 10.1361/105996306X147261 en
pubs.issue 4 en
pubs.begin-page 663 en
pubs.volume 15 en
dc.rights.holder Copyright: ASM International en
pubs.end-page 669 en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 87813 en
pubs.record-created-at-source-date 2010-09-01 en

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