Supersonic Plasma Spray Deposition of CoNiCrAlY Coatings on Ti-6Al-4V Alloy

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dc.contributor.authorCaliari, F. R.
dc.contributor.authorMiranda, F. S.
dc.contributor.authorReis, D. A.P.
dc.contributor.authorEssiptchouk, A. M. [UNESP]
dc.contributor.authorFilho, G. P.
dc.contributor.institutionInstituto Tecnológico de Aeronáutica - ITA
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-12-11T16:47:27Z
dc.date.available2018-12-11T16:47:27Z
dc.date.issued2017-06-01
dc.description.abstractPlasma spray is a versatile technology used for production of environmental and thermal barrier coatings, mainly in the aerospace, gas turbine, and automotive industries, with potential application in the renewable energy industry. New plasma spray technologies have been developed recently to produce high-quality coatings as an alternative to the costly low-pressure plasma-spray process. In this work, we studied the properties of as-sprayed CoNiCrAlY coatings deposited on Ti-6Al-4V substrate with smooth surface (Ra = 0.8 μm) by means of a plasma torch operating in supersonic regime at atmospheric pressure. The CoNiCrAlY coatings were evaluated in terms of their surface roughness, microstructure, instrumented indentation, and phase content. Static and dynamic depositions were investigated to examine their effect on coating characteristics. Results show that the substrate surface velocity has a major influence on the coating properties. The sprayed CoNiCrAlY coatings exhibit low roughness (Ra of 5.7 μm), low porosity (0.8%), excellent mechanical properties (Hit = 6.1 GPa, Eit = 155 GPa), and elevated interface toughness (2.4 MPa m1/2).en
dc.description.affiliationCentro de Ciência e Tecnologia de Plasmas e Materiais - PlasMat Instituto Tecnológico de Aeronáutica - ITA
dc.description.affiliationInstituto de Ciência e Tecnologia Universidade Federal de São Paulo - UNIFESP
dc.description.affiliationInstituto de Ciência e Tecnologia Univ. Estadual Paulista - UNESP
dc.description.affiliationUnespInstituto de Ciência e Tecnologia Univ. Estadual Paulista - UNESP
dc.format.extent880-889
dc.identifierhttp://dx.doi.org/10.1007/s11666-017-0563-4
dc.identifier.citationJournal of Thermal Spray Technology, v. 26, n. 5, p. 880-889, 2017.
dc.identifier.doi10.1007/s11666-017-0563-4
dc.identifier.file2-s2.0-85019645339.pdf
dc.identifier.issn1059-9630
dc.identifier.scopus2-s2.0-85019645339
dc.identifier.urihttp://hdl.handle.net/11449/169752
dc.language.isoeng
dc.relation.ispartofJournal of Thermal Spray Technology
dc.relation.ispartofsjr0,688
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectaxial injection
dc.subjectCoNiCrAlY
dc.subjectoverlay coating
dc.subjectsupersonic plasma spray
dc.titleSupersonic Plasma Spray Deposition of CoNiCrAlY Coatings on Ti-6Al-4V Alloyen
dc.typeArtigo
unesp.author.lattes7031429231827290[4]
unesp.author.orcid0000-0002-8149-4676[4]

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