Anisotropy in thermal conductivity of graphite flakes–SiCp/matrix composites: Implications in heat sinking design for thermal management applications

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Title: Anisotropy in thermal conductivity of graphite flakes–SiCp/matrix composites: Implications in heat sinking design for thermal management applications
Authors: Molina Jordá, José Miguel | Louis, Enrique
Research Group/s: Materiales Avanzados | Física de la Materia Condensada
Center, Department or Service: Universidad de Alicante. Departamento de Química Inorgánica | Universidad de Alicante. Departamento de Física Aplicada | Universidad de Alicante. Instituto Universitario de Materiales
Keywords: Metal–matrix composites (MMCs) | Polymer–matrix composites (PMCs) | Anisotropy | Thermal properties
Knowledge Area: Química Inorgánica | Física de la Materia Condensada
Issue Date: Nov-2015
Publisher: Elsevier
Citation: Materials Characterization. 2015, 109: 107-115. doi:10.1016/j.matchar.2015.09.016
Abstract: Within the frame of heat dissipation for electronics, a very interesting family of anisotropic composite materials, fabricated by liquid infiltration of a matrix into preforms of oriented graphite flakes and SiC particles, has been recently proposed. Aiming to investigate the implications of the inherent anisotropy of these composites on their thermal conductivity, and hence on their potential applications, materials with matrices of Al–12 wt.% Si alloy and epoxy polymer have been fabricated. Samples have been cut at a variable angle with respect to the flakes plane and thermal conductivity has been measured by means of two standard techniques, namely, steady state technique and laser flash method. Experimental results are presented and discussed in terms of current models, from which important technological implications for heat sinking design can be derived.
Sponsor: The authors acknowledge partial financial support from the Ministerio de Ciencia e Innovación (grant MAT2011-25029). J.M. Molina also acknowledges “Ministerio de Ciencia e Innovación” for a Ramón y Cajal contract.
URI: http://hdl.handle.net/10045/50187
ISSN: 1044-5803 (Print) | 1873-4189 (Online)
DOI: 10.1016/j.matchar.2015.09.016
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2015 Elsevier Inc.
Peer Review: si
Publisher version: http://dx.doi.org/10.1016/j.matchar.2015.09.016
Appears in Collections:INV - LMA - Artículos de Revistas
INV - Física de la Materia Condensada - Artículos de Revistas

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