Experimental and Finite Element Analysis of the Tensile Behavior of Architectured Cu-Al Composite Wires

The present study investigates, experimentally and numerically, the tensile behavior of copper-clad aluminum composite wires. Two fiber-matrix configurations, the conventional Al-core/Cu-case and a so-called architectured wire with a continuous copper network across the cross-section, were considere...

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Autores principales:	Alireza Dashti, Clément Keller, Benoit Vieille, Alain Guillet, Christophe Bouvet
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	wire drawing Cu-Al composite wires finite element analysis Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/b280f1186c564ee39b411b6f83b24ad3
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spelling	oai:doaj.org-article:b280f1186c564ee39b411b6f83b24ad32021-11-11T17:52:38ZExperimental and Finite Element Analysis of the Tensile Behavior of Architectured Cu-Al Composite Wires10.3390/ma142163051996-1944https://doaj.org/article/b280f1186c564ee39b411b6f83b24ad32021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6305https://doaj.org/toc/1996-1944The present study investigates, experimentally and numerically, the tensile behavior of copper-clad aluminum composite wires. Two fiber-matrix configurations, the conventional Al-core/Cu-case and a so-called architectured wire with a continuous copper network across the cross-section, were considered. Two different fiber arrangements with 61 or 22 aluminum fibers were employed for the architectured samples. Experimentally, tensile tests on the two types of composites show that the flow stress of architectured configurations is markedly higher than that of the linear rule of mixtures’ prediction. Transverse stress components and processing-induced residual stresses are then studied via numerical simulations to assess their potential effect on this enhanced strength. A set of elastic-domain and elastoplastic simulations were performed to account for the influence of Young’s modulus and volume fraction of each phase on the magnitude of transverse stresses and how theses stresses contribute to the axial stress-strain behavior. Besides, residual stress fields of different magnitude with literature-based distributions expected for cold-drawn wires were defined. The findings suggest that the improved yield strength of architectured Cu-Al wires cannot be attributed to the weak transverse stresses developed during tensile testing, while there are compelling implications regarding the strengthening effect originating from the residual stress profile. Finally, the results are discussed and concluded with a focus on the role of architecture and residual stresses.Alireza DashtiClément KellerBenoit VieilleAlain GuilletChristophe BouvetMDPI AGarticlewire drawingCu-Al composite wiresfinite element analysisTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6305, p 6305 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	wire drawing Cu-Al composite wires finite element analysis Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	wire drawing Cu-Al composite wires finite element analysis Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Alireza Dashti Clément Keller Benoit Vieille Alain Guillet Christophe Bouvet Experimental and Finite Element Analysis of the Tensile Behavior of Architectured Cu-Al Composite Wires
description	The present study investigates, experimentally and numerically, the tensile behavior of copper-clad aluminum composite wires. Two fiber-matrix configurations, the conventional Al-core/Cu-case and a so-called architectured wire with a continuous copper network across the cross-section, were considered. Two different fiber arrangements with 61 or 22 aluminum fibers were employed for the architectured samples. Experimentally, tensile tests on the two types of composites show that the flow stress of architectured configurations is markedly higher than that of the linear rule of mixtures’ prediction. Transverse stress components and processing-induced residual stresses are then studied via numerical simulations to assess their potential effect on this enhanced strength. A set of elastic-domain and elastoplastic simulations were performed to account for the influence of Young’s modulus and volume fraction of each phase on the magnitude of transverse stresses and how theses stresses contribute to the axial stress-strain behavior. Besides, residual stress fields of different magnitude with literature-based distributions expected for cold-drawn wires were defined. The findings suggest that the improved yield strength of architectured Cu-Al wires cannot be attributed to the weak transverse stresses developed during tensile testing, while there are compelling implications regarding the strengthening effect originating from the residual stress profile. Finally, the results are discussed and concluded with a focus on the role of architecture and residual stresses.
format	article
author	Alireza Dashti Clément Keller Benoit Vieille Alain Guillet Christophe Bouvet
author_facet	Alireza Dashti Clément Keller Benoit Vieille Alain Guillet Christophe Bouvet
author_sort	Alireza Dashti
title	Experimental and Finite Element Analysis of the Tensile Behavior of Architectured Cu-Al Composite Wires
title_short	Experimental and Finite Element Analysis of the Tensile Behavior of Architectured Cu-Al Composite Wires
title_full	Experimental and Finite Element Analysis of the Tensile Behavior of Architectured Cu-Al Composite Wires
title_fullStr	Experimental and Finite Element Analysis of the Tensile Behavior of Architectured Cu-Al Composite Wires
title_full_unstemmed	Experimental and Finite Element Analysis of the Tensile Behavior of Architectured Cu-Al Composite Wires
title_sort	experimental and finite element analysis of the tensile behavior of architectured cu-al composite wires
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/b280f1186c564ee39b411b6f83b24ad3
work_keys_str_mv	AT alirezadashti experimentalandfiniteelementanalysisofthetensilebehaviorofarchitecturedcualcompositewires AT clementkeller experimentalandfiniteelementanalysisofthetensilebehaviorofarchitecturedcualcompositewires AT benoitvieille experimentalandfiniteelementanalysisofthetensilebehaviorofarchitecturedcualcompositewires AT alainguillet experimentalandfiniteelementanalysisofthetensilebehaviorofarchitecturedcualcompositewires AT christophebouvet experimentalandfiniteelementanalysisofthetensilebehaviorofarchitecturedcualcompositewires
_version_	1718432020397293568

Experimental and Finite Element Analysis of the Tensile Behavior of Architectured Cu-Al Composite Wires

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