Optimizing thermal conductivity in gas-pressure infiltrated aluminum/diamond composites by precise processing control

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Title: Optimizing thermal conductivity in gas-pressure infiltrated aluminum/diamond composites by precise processing control
Authors: Monje López, Ivonne E. | Louis, Enrique | Molina Jordá, José Miguel
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) | Interface/interphase | Thermal properties | Liquid metal infiltration
Knowledge Area: Química Inorgánica | Física de la Materia Condensada
Issue Date: May-2013
Publisher: Elsevier
Citation: Composites Part A: Applied Science and Manufacturing. 2013, 48: 9-14. doi:10.1016/j.compositesa.2012.12.010
Abstract: The effects of processing conditions on the thermal conductivity (TC) of aluminum/diamond composites fabricated by means of gas-pressure infiltration, have been evaluated using a device that allows a highly precise control of infiltration temperature and contact time between the liquid metal and diamond. Both variables have strong effects on the TC of final materials, through chemical and morphological modifications of the interface. Thus, maximizing heat conduction requires a proper choice of those two variables. TC’s up to 670 W/mK have been obtained.
Sponsor: The authors acknowledge partial financial support from the Ministerio de Ciencia e Innovación (Projects MAT2011-25029 and MAGNO – GRUPOANTOLIN-08Y). J.M. Molina wishes also to thank the Ministerio de Ciencia e Innovación for a “Ramón y Cajal” contract. I.E. Monje acknowledges the Universidad de Alicante for a PhD fellowship.
URI: http://hdl.handle.net/10045/39532
ISSN: 1359-835X (Print) | 1878-5840 (Online)
DOI: 10.1016/j.compositesa.2012.12.010
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
Publisher version: http://dx.doi.org/10.1016/j.compositesa.2012.12.010
Appears in Collections:INV - Física de la Materia Condensada - Artículos de Revistas
INV - LMA - Artículos de Revistas

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