Effect of Track Overlap on the Microstructure and Properties of the CoCrMoSi PTA Coatings

Detalhes bibliográficos
Autor(a) principal: Bohatch,Rafael Guetter
Data de Publicação: 2015
Outros Autores: Graf,Karin, Scheid,Adriano
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Materials research (São Carlos. Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392015000300553
Resumo: Broadly speaking, the research and design of coatings are generally studied by way of single-track deposits; otherwise, the development of a coated part entails the understanding of how multi-track welding influences the microstructure and properties of the surface. This study evaluated the effect of track overlap on the microstructure and properties of the CoCrMoSi Tribaloy T400 alloy coatings produced on AISI 316L steel substrate. The characterization was performed by scanning electron microscopy, hardness and X-ray diffraction. The correlation between the degree of overlap and performance of the coatings was assessed by wear tests. The single track deposits showed hypoeutectic microstructure as a result of high Iron, Chromium and Nickel content. From the second track on, the chemical composition was displaced back to eutectic and then to hypereutectic with overlap of 25 and 50%, respectively. The microstructure dictated the hardness of the coatings (527 – 701 HV0.5) and the lower mass loss rate was measured for hypereutectic with primary Laves phase.
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spelling Effect of Track Overlap on the Microstructure and Properties of the CoCrMoSi PTA CoatingsCoMoCrSi alloyplasma transferred arcdilutiontrack overlappingmicrostructurewear behaviorBroadly speaking, the research and design of coatings are generally studied by way of single-track deposits; otherwise, the development of a coated part entails the understanding of how multi-track welding influences the microstructure and properties of the surface. This study evaluated the effect of track overlap on the microstructure and properties of the CoCrMoSi Tribaloy T400 alloy coatings produced on AISI 316L steel substrate. The characterization was performed by scanning electron microscopy, hardness and X-ray diffraction. The correlation between the degree of overlap and performance of the coatings was assessed by wear tests. The single track deposits showed hypoeutectic microstructure as a result of high Iron, Chromium and Nickel content. From the second track on, the chemical composition was displaced back to eutectic and then to hypereutectic with overlap of 25 and 50%, respectively. The microstructure dictated the hardness of the coatings (527 – 701 HV0.5) and the lower mass loss rate was measured for hypereutectic with primary Laves phase.ABM, ABC, ABPol2015-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392015000300553Materials Research v.18 n.3 2015reponame:Materials research (São Carlos. Online)instname:Universidade Federal de São Carlos (UFSCAR)instacron:ABM ABC ABPOL10.1590/1516-1439.340014info:eu-repo/semantics/openAccessBohatch,Rafael GuetterGraf,KarinScheid,Adrianoeng2015-08-04T00:00:00Zoai:scielo:S1516-14392015000300553Revistahttp://www.scielo.br/mrPUBhttps://old.scielo.br/oai/scielo-oai.phpdedz@power.ufscar.br1980-53731516-1439opendoar:2015-08-04T00:00Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)false
dc.title.none.fl_str_mv Effect of Track Overlap on the Microstructure and Properties of the CoCrMoSi PTA Coatings
title Effect of Track Overlap on the Microstructure and Properties of the CoCrMoSi PTA Coatings
spellingShingle Effect of Track Overlap on the Microstructure and Properties of the CoCrMoSi PTA Coatings
Bohatch,Rafael Guetter
CoMoCrSi alloy
plasma transferred arc
dilution
track overlapping
microstructure
wear behavior
title_short Effect of Track Overlap on the Microstructure and Properties of the CoCrMoSi PTA Coatings
title_full Effect of Track Overlap on the Microstructure and Properties of the CoCrMoSi PTA Coatings
title_fullStr Effect of Track Overlap on the Microstructure and Properties of the CoCrMoSi PTA Coatings
title_full_unstemmed Effect of Track Overlap on the Microstructure and Properties of the CoCrMoSi PTA Coatings
title_sort Effect of Track Overlap on the Microstructure and Properties of the CoCrMoSi PTA Coatings
author Bohatch,Rafael Guetter
author_facet Bohatch,Rafael Guetter
Graf,Karin
Scheid,Adriano
author_role author
author2 Graf,Karin
Scheid,Adriano
author2_role author
author
dc.contributor.author.fl_str_mv Bohatch,Rafael Guetter
Graf,Karin
Scheid,Adriano
dc.subject.por.fl_str_mv CoMoCrSi alloy
plasma transferred arc
dilution
track overlapping
microstructure
wear behavior
topic CoMoCrSi alloy
plasma transferred arc
dilution
track overlapping
microstructure
wear behavior
description Broadly speaking, the research and design of coatings are generally studied by way of single-track deposits; otherwise, the development of a coated part entails the understanding of how multi-track welding influences the microstructure and properties of the surface. This study evaluated the effect of track overlap on the microstructure and properties of the CoCrMoSi Tribaloy T400 alloy coatings produced on AISI 316L steel substrate. The characterization was performed by scanning electron microscopy, hardness and X-ray diffraction. The correlation between the degree of overlap and performance of the coatings was assessed by wear tests. The single track deposits showed hypoeutectic microstructure as a result of high Iron, Chromium and Nickel content. From the second track on, the chemical composition was displaced back to eutectic and then to hypereutectic with overlap of 25 and 50%, respectively. The microstructure dictated the hardness of the coatings (527 – 701 HV0.5) and the lower mass loss rate was measured for hypereutectic with primary Laves phase.
publishDate 2015
dc.date.none.fl_str_mv 2015-06-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392015000300553
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392015000300553
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/1516-1439.340014
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv ABM, ABC, ABPol
publisher.none.fl_str_mv ABM, ABC, ABPol
dc.source.none.fl_str_mv Materials Research v.18 n.3 2015
reponame:Materials research (São Carlos. Online)
instname:Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
instname_str Universidade Federal de São Carlos (UFSCAR)
instacron_str ABM ABC ABPOL
institution ABM ABC ABPOL
reponame_str Materials research (São Carlos. Online)
collection Materials research (São Carlos. Online)
repository.name.fl_str_mv Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)
repository.mail.fl_str_mv dedz@power.ufscar.br
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