Influence of the thermal treatment on the microstructure and hardness evolution of 7075 aluminium layers in a hot-rolled multilayer laminate composite

The microstructure and mechanical properties of the Al 7075 alloy present in a hot roll-bonded laminate consisting of Al 7075/Al 2024 layers have been characterized by high resolution electron backscattering diffraction (EBSD) analysis and Vickers microhardness, respectively. The as-rolled deformati...

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Detalhes bibliográficos
Autores: Cepeda-Jiménez, C.M., Pozuelo, M., Ruano, Oscar Antonio, Carreño, Fernando
Formato: artículo
Fecha de publicación:2009
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:dnet:digitalcsic_::dba2897da9b4e6ac33f4c47f9110b49c
Acesso em linha:http://hdl.handle.net/10261/43765
Access Level:acceso abierto
Palavra-chave:Aluminium alloys
Thermomechanical processing
Microstructure
Mechanical properties
EBSD analysis
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spelling Influence of the thermal treatment on the microstructure and hardness evolution of 7075 aluminium layers in a hot-rolled multilayer laminate compositeCepeda-Jiménez, C.M.Pozuelo, M.Ruano, Oscar AntonioCarreño, FernandoAluminium alloysThermomechanical processingMicrostructureMechanical propertiesEBSD analysisThe microstructure and mechanical properties of the Al 7075 alloy present in a hot roll-bonded laminate consisting of Al 7075/Al 2024 layers have been characterized by high resolution electron backscattering diffraction (EBSD) analysis and Vickers microhardness, respectively. The as-rolled deformation structure consisted in lamellar bands aligned parallel to the rolling direction. It was found that a post-rolling tempering at 175ºC/6 h, prior to the T6 treatment has a profound effect on the microstructure and the mechanical properties of the Al 7075 alloy. This tempering reduces the driving force for recrystallization during the usual solution treatment of 30 min that is part of the T6 treatment. The performed procedures favour a more homogeneous precipitation during the following age hardening step and the achievement of a noticeable increase in Vickers microhardness.Financial support from CICYT (Projects MAT2003-01172 and MAT2006- 11202) is gratefully acknowledged. C.M. Cepeda-Jiménez thanks the Spanish National Research Council (CSIC) for a I3P contract.Peer reviewedElsevier201120112009info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/43765reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://dx.doi.org/10.1016/j.jallcom.2008.11.078info:eu-repo/semantics/openAccessoai:dnet:digitalcsic_::dba2897da9b4e6ac33f4c47f9110b49c2026-05-22T06:33:51Z
dc.title.none.fl_str_mv Influence of the thermal treatment on the microstructure and hardness evolution of 7075 aluminium layers in a hot-rolled multilayer laminate composite
title Influence of the thermal treatment on the microstructure and hardness evolution of 7075 aluminium layers in a hot-rolled multilayer laminate composite
spellingShingle Influence of the thermal treatment on the microstructure and hardness evolution of 7075 aluminium layers in a hot-rolled multilayer laminate composite
Cepeda-Jiménez, C.M.
Aluminium alloys
Thermomechanical processing
Microstructure
Mechanical properties
EBSD analysis
title_short Influence of the thermal treatment on the microstructure and hardness evolution of 7075 aluminium layers in a hot-rolled multilayer laminate composite
title_full Influence of the thermal treatment on the microstructure and hardness evolution of 7075 aluminium layers in a hot-rolled multilayer laminate composite
title_fullStr Influence of the thermal treatment on the microstructure and hardness evolution of 7075 aluminium layers in a hot-rolled multilayer laminate composite
title_full_unstemmed Influence of the thermal treatment on the microstructure and hardness evolution of 7075 aluminium layers in a hot-rolled multilayer laminate composite
title_sort Influence of the thermal treatment on the microstructure and hardness evolution of 7075 aluminium layers in a hot-rolled multilayer laminate composite
dc.creator.none.fl_str_mv Cepeda-Jiménez, C.M.
Pozuelo, M.
Ruano, Oscar Antonio
Carreño, Fernando
author Cepeda-Jiménez, C.M.
author_facet Cepeda-Jiménez, C.M.
Pozuelo, M.
Ruano, Oscar Antonio
Carreño, Fernando
author_role author
author2 Pozuelo, M.
Ruano, Oscar Antonio
Carreño, Fernando
author2_role author
author
author
dc.subject.none.fl_str_mv Aluminium alloys
Thermomechanical processing
Microstructure
Mechanical properties
EBSD analysis
topic Aluminium alloys
Thermomechanical processing
Microstructure
Mechanical properties
EBSD analysis
description The microstructure and mechanical properties of the Al 7075 alloy present in a hot roll-bonded laminate consisting of Al 7075/Al 2024 layers have been characterized by high resolution electron backscattering diffraction (EBSD) analysis and Vickers microhardness, respectively. The as-rolled deformation structure consisted in lamellar bands aligned parallel to the rolling direction. It was found that a post-rolling tempering at 175ºC/6 h, prior to the T6 treatment has a profound effect on the microstructure and the mechanical properties of the Al 7075 alloy. This tempering reduces the driving force for recrystallization during the usual solution treatment of 30 min that is part of the T6 treatment. The performed procedures favour a more homogeneous precipitation during the following age hardening step and the achievement of a noticeable increase in Vickers microhardness.
publishDate 2009
dc.date.none.fl_str_mv 2009
2011
2011
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/43765
url http://hdl.handle.net/10261/43765
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv http://dx.doi.org/10.1016/j.jallcom.2008.11.078
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,228081

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