Development and implementation of strategies for the incorporation of reinforcing elements in aluminium alloys by solid state processing

Detalhes bibliográficos
Autor(a) principal: Lopes, Nuno Filipe Ferreira
Data de Publicação: 2012
Tipo de documento: Dissertação
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10362/7809
Resumo: Dissertação para obtenção do Grau de Mestre em Engenharia Mecânica
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spelling Development and implementation of strategies for the incorporation of reinforcing elements in aluminium alloys by solid state processingFriction stir processingAA5083-H111Silicon carbideAluminaFriction stir depositionSurface metal matrix compositeDissertação para obtenção do Grau de Mestre em Engenharia MecânicaThis investigation aimed to study new surface processing strategies to produce reinforced surface metal matrix composites by Friction Stir Processing. The first consisted on pre-placing reinforcing particles over the surface, while the second used consumables drilled holes filled with reinforcing particles. Each strategy was investigated using an electric current in a process under patenting. Aluminium AA5083-H111 plates were used as base material. Silicon carbide and alumina particles with median sizes of 35 and 45 μm, respectively, were used. Pre deposition of reinforcing particles proved to be more effective than the use of consumable tools packed with particles. The last ones produced coatings with a non homogeneous distribution and poor bonding between the substrate and the reinforcing coating. The pre deposition of alumina produced a higher extension and depth of reinforced layer and an increase in hardness of 60%, while silicon carbide produced an increase in hardness of 300 %, though in a smaller extension and depth than alumina under the same processing conditions. Using the electric current a significant raise of 500% and 40% was observed in extension and depth respectively, but hardness decreased by 10 %.Faculdade de Ciências e TecnologiaMiranda, RosaSantos, TelmoRUNLopes, Nuno Filipe Ferreira2012-09-12T09:50:52Z20122012-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfhttp://hdl.handle.net/10362/7809enginfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-03-11T03:40:01Zoai:run.unl.pt:10362/7809Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T03:17:44.697488Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Development and implementation of strategies for the incorporation of reinforcing elements in aluminium alloys by solid state processing
title Development and implementation of strategies for the incorporation of reinforcing elements in aluminium alloys by solid state processing
spellingShingle Development and implementation of strategies for the incorporation of reinforcing elements in aluminium alloys by solid state processing
Lopes, Nuno Filipe Ferreira
Friction stir processing
AA5083-H111
Silicon carbide
Alumina
Friction stir deposition
Surface metal matrix composite
title_short Development and implementation of strategies for the incorporation of reinforcing elements in aluminium alloys by solid state processing
title_full Development and implementation of strategies for the incorporation of reinforcing elements in aluminium alloys by solid state processing
title_fullStr Development and implementation of strategies for the incorporation of reinforcing elements in aluminium alloys by solid state processing
title_full_unstemmed Development and implementation of strategies for the incorporation of reinforcing elements in aluminium alloys by solid state processing
title_sort Development and implementation of strategies for the incorporation of reinforcing elements in aluminium alloys by solid state processing
author Lopes, Nuno Filipe Ferreira
author_facet Lopes, Nuno Filipe Ferreira
author_role author
dc.contributor.none.fl_str_mv Miranda, Rosa
Santos, Telmo
RUN
dc.contributor.author.fl_str_mv Lopes, Nuno Filipe Ferreira
dc.subject.por.fl_str_mv Friction stir processing
AA5083-H111
Silicon carbide
Alumina
Friction stir deposition
Surface metal matrix composite
topic Friction stir processing
AA5083-H111
Silicon carbide
Alumina
Friction stir deposition
Surface metal matrix composite
description Dissertação para obtenção do Grau de Mestre em Engenharia Mecânica
publishDate 2012
dc.date.none.fl_str_mv 2012-09-12T09:50:52Z
2012
2012-01-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10362/7809
url http://hdl.handle.net/10362/7809
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Faculdade de Ciências e Tecnologia
publisher.none.fl_str_mv Faculdade de Ciências e Tecnologia
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
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instacron:RCAAP
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