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Metal matrix composites as thermal management materials for automotive applications

Metal matrix composites as thermal management materials for automotive applications

Mallik, S. and Ekere, N. (2013) Metal matrix composites as thermal management materials for automotive applications. In: Magagnin, Luca, (ed.) Engineered Metal Matrix Composites: Forming Methods, Material Properties and Industrial Applications. Nova Science Publishers, Inc., New York, USA, pp. 113-126. ISBN 9781620817193

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The modern electronic packages are coined for their increased power densities and decreasing dimensions. Because of these trends, the challenge of thermal management within the chip and surrounding packaging is greater than ever. The automotive electronic control unit (ECU) package faces the same challenge of thermal management as the industry in general. This is coupled with the latest European Union legislation (Euro 6 standard) which forced the ECU manufacturers to completely re-design their ECU platform with improved hardware and software capability. This will result in increased power densities and therefore, the ability to dissipate heat will be a key factor. A higher thermal conductivity (TC) material for the ECU housing (than the currently used Aluminium) could improve heat dissipation from the ECU. This paper critically reviews the state-of-the-art in thermal management materials which may be applicable to an automotive ECU. Metal matrix composites (MMCs) are becoming the most promising materials to fulfil the current and future demands in thermal management. This paper presents the three most important aspects (also known as “3Ps”) of MMCs: Properties, Processing and Price. This review shows that of the different materials currently available, the Al/SiC composites in particular have very good potential for automotive ECU application. In terms of metal composites processing, the liquid metal infiltration process is recommended as it has a lower processing cost and it also has the ability to produce near net-shape materials.

Item Type: Book Section
Uncontrolled Keywords: metal matrix composites, thermal management, thermal interface material
Subjects: T Technology > TL Motor vehicles. Aeronautics. Astronautics
Pre-2014 Departments: School of Engineering > Manufacturing Engineering Research Group
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Last Modified: 14 Oct 2016 09:26

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