Synthesis, characterization and application by HVOF of a WCCoCr/NiCr nanocomposite as protective coating against erosive wear

Detalhes bibliográficos
Autor(a) principal: Guaglianoni, Waleska Campos
Data de Publicação: 2018
Outros Autores: Cunha, Matheus Araújo da, Bergmann, Carlos Perez, Fragassa, Cristiano, Pavlovic, Ana
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRGS
Texto Completo: http://hdl.handle.net/10183/188095
Resumo: The scope of this work is to synthetize and characterize a WCCoCr/NiCr nanocomposite evaluating its application as protective coating against erosive wear when applied by High Velocity Oxygen Fuel (HVOF). The composite was formed by carbide of tungsten-cobalt-chrome (WCCoCr) processed by high energy milling and a metallic matrix of nickel-chrome (NiCr). The milled material was added to the NiCr in the fraction of 5%wt. The powders were investigated by X-ray diffraction and and scanning electron microscopy, analysing particle size distribution and surface area. The protective layers were deposited by HVOF and evaluated for their microhardness, microstructure, porosity, and erosive wear. Their microstructure showed lamellar character, with a low level of oxides and porosity between 0.5 % and 1 %. The coating formed by NiCr and WCCoCr milled for 3 hours presented microhardness of 635 HV and erosion rates 50 % smaller than the commercial coating.
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spelling Guaglianoni, Waleska CamposCunha, Matheus Araújo daBergmann, Carlos PerezFragassa, CristianoPavlovic, Ana2019-01-25T02:35:40Z20180354-8996http://hdl.handle.net/10183/188095001078218The scope of this work is to synthetize and characterize a WCCoCr/NiCr nanocomposite evaluating its application as protective coating against erosive wear when applied by High Velocity Oxygen Fuel (HVOF). The composite was formed by carbide of tungsten-cobalt-chrome (WCCoCr) processed by high energy milling and a metallic matrix of nickel-chrome (NiCr). The milled material was added to the NiCr in the fraction of 5%wt. The powders were investigated by X-ray diffraction and and scanning electron microscopy, analysing particle size distribution and surface area. The protective layers were deposited by HVOF and evaluated for their microhardness, microstructure, porosity, and erosive wear. Their microstructure showed lamellar character, with a low level of oxides and porosity between 0.5 % and 1 %. The coating formed by NiCr and WCCoCr milled for 3 hours presented microhardness of 635 HV and erosion rates 50 % smaller than the commercial coating.application/pdfengTribology in Industry. Kragujevac, Sérvia. Vol. 40, no. 3 (2018), p. 477-487NanocompósitosRevestimento de proteçãoWCCoCrNiCrNanocompositeHigh energy millingHVOFErosive wearSynthesis, characterization and application by HVOF of a WCCoCr/NiCr nanocomposite as protective coating against erosive wearEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSTEXT001078218.pdf.txt001078218.pdf.txtExtracted Texttext/plain30218http://www.lume.ufrgs.br/bitstream/10183/188095/2/001078218.pdf.txtf1afa5b8e0a77e788f4da8dc4b4b56e1MD52ORIGINAL001078218.pdfTexto completo (inglês)application/pdf2016743http://www.lume.ufrgs.br/bitstream/10183/188095/1/001078218.pdf7d97296290ee489bd8dcb94bac56bab8MD5110183/1880952021-11-20 05:51:57.257639oai:www.lume.ufrgs.br:10183/188095Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2021-11-20T07:51:57Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false
dc.title.pt_BR.fl_str_mv Synthesis, characterization and application by HVOF of a WCCoCr/NiCr nanocomposite as protective coating against erosive wear
title Synthesis, characterization and application by HVOF of a WCCoCr/NiCr nanocomposite as protective coating against erosive wear
spellingShingle Synthesis, characterization and application by HVOF of a WCCoCr/NiCr nanocomposite as protective coating against erosive wear
Guaglianoni, Waleska Campos
Nanocompósitos
Revestimento de proteção
WCCoCr
NiCr
Nanocomposite
High energy milling
HVOF
Erosive wear
title_short Synthesis, characterization and application by HVOF of a WCCoCr/NiCr nanocomposite as protective coating against erosive wear
title_full Synthesis, characterization and application by HVOF of a WCCoCr/NiCr nanocomposite as protective coating against erosive wear
title_fullStr Synthesis, characterization and application by HVOF of a WCCoCr/NiCr nanocomposite as protective coating against erosive wear
title_full_unstemmed Synthesis, characterization and application by HVOF of a WCCoCr/NiCr nanocomposite as protective coating against erosive wear
title_sort Synthesis, characterization and application by HVOF of a WCCoCr/NiCr nanocomposite as protective coating against erosive wear
author Guaglianoni, Waleska Campos
author_facet Guaglianoni, Waleska Campos
Cunha, Matheus Araújo da
Bergmann, Carlos Perez
Fragassa, Cristiano
Pavlovic, Ana
author_role author
author2 Cunha, Matheus Araújo da
Bergmann, Carlos Perez
Fragassa, Cristiano
Pavlovic, Ana
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Guaglianoni, Waleska Campos
Cunha, Matheus Araújo da
Bergmann, Carlos Perez
Fragassa, Cristiano
Pavlovic, Ana
dc.subject.por.fl_str_mv Nanocompósitos
Revestimento de proteção
topic Nanocompósitos
Revestimento de proteção
WCCoCr
NiCr
Nanocomposite
High energy milling
HVOF
Erosive wear
dc.subject.eng.fl_str_mv WCCoCr
NiCr
Nanocomposite
High energy milling
HVOF
Erosive wear
description The scope of this work is to synthetize and characterize a WCCoCr/NiCr nanocomposite evaluating its application as protective coating against erosive wear when applied by High Velocity Oxygen Fuel (HVOF). The composite was formed by carbide of tungsten-cobalt-chrome (WCCoCr) processed by high energy milling and a metallic matrix of nickel-chrome (NiCr). The milled material was added to the NiCr in the fraction of 5%wt. The powders were investigated by X-ray diffraction and and scanning electron microscopy, analysing particle size distribution and surface area. The protective layers were deposited by HVOF and evaluated for their microhardness, microstructure, porosity, and erosive wear. Their microstructure showed lamellar character, with a low level of oxides and porosity between 0.5 % and 1 %. The coating formed by NiCr and WCCoCr milled for 3 hours presented microhardness of 635 HV and erosion rates 50 % smaller than the commercial coating.
publishDate 2018
dc.date.issued.fl_str_mv 2018
dc.date.accessioned.fl_str_mv 2019-01-25T02:35:40Z
dc.type.driver.fl_str_mv Estrangeiro
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dc.identifier.uri.fl_str_mv http://hdl.handle.net/10183/188095
dc.identifier.issn.pt_BR.fl_str_mv 0354-8996
dc.identifier.nrb.pt_BR.fl_str_mv 001078218
identifier_str_mv 0354-8996
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dc.language.iso.fl_str_mv eng
language eng
dc.relation.ispartof.pt_BR.fl_str_mv Tribology in Industry. Kragujevac, Sérvia. Vol. 40, no. 3 (2018), p. 477-487
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
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