Thermal conductivity of metal matrix composites with coated inclusions: A new modelling approach for interface engineering design in thermal management

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Title: Thermal conductivity of metal matrix composites with coated inclusions: A new modelling approach for interface engineering design in thermal management
Authors: Molina Jordá, José Miguel
Research Group/s: Materiales Avanzados
Center, Department or Service: Universidad de Alicante. Departamento de Química Inorgánica | Universidad de Alicante. Instituto Universitario de Materiales
Keywords: Coating materials | Composite materials | Surfaces and interfaces | Heat conduction | Interface engineering
Knowledge Area: Química Inorgánica
Issue Date: 15-May-2018
Publisher: Elsevier
Citation: Journal of Alloys and Compounds. 2018, 745: 849-855. doi:10.1016/j.jallcom.2018.02.092
Abstract: Despite the importance of interface engineering in technological metal matrix composites, both systematic experimental studies and modelling approaches are still lacking to predict some of their properties. This paper presents an insight into experimental results and modelling of the thermal conductivity in metal matrix composite materials with coated inclusions. Two types of composites of technological importance, Al/diamond and Mg/cobalt, have been interfacially engineered either by deposition of a 0-14.6 μm TiC layer on the diamond particles or by oxidative formation of a 0-21.4 μm Co3O4 layer on the cobalt particles, respectively. The experimental results of thermal conductivity can be properly accounted for by a new modelling approach that consists in a multi-step application of the GDEMS model. This modelling scheme demonstrates a predictive capacity far superior to the few current models available in the literature and allows an accurate calculation of the critical interface thickness, such that it outlines a proper interface engineering tool to design high thermally conductive composite materials.
Sponsor: The author acknowledges financial support from the Spanish “Ministerio de Economía y Competitividad” through Project MAT2016-77742-C2-2-P.
ISSN: 0925-8388 (Print) | 1873-4669 (Online)
DOI: 10.1016/j.jallcom.2018.02.092
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2018 Elsevier B.V.
Peer Review: si
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Appears in Collections:INV - LMA - Artículos de Revistas

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