Diamond/Al metal matrix composites formed by the pressureless metal infiltration process
- 1 May 1993
- journal article
- Published by Springer Nature in Journal of Materials Research
- Vol. 8 (5), 1169-1173
- https://doi.org/10.1557/jmr.1993.1169
Abstract
Diamond particles are unique fillers for metal matrix composites because of their extremely high modulus, high thermal conductivity, and low coefficient of thermal expansion. Diamond reinforced aluminum metal matrix composites were prepared using a pressureless metal infiltration process. The diamond particulates are coated with SiC prior to infiltration to prevent the formation of Al4C3, which is a product of the reaction between aluminum and diamond. The measured thermal conductivity of these initial diamond/Al metal matrix composites is as high as 259 W/m-K. The effects of coating thickness on the physical properties of the diamond/Al metal matrix composite, including Young's modulus, 4-point bend strength, coefficient of thermal expansion, and thermal conductivity, are presented.Keywords
This publication has 4 references indexed in Scilit:
- Chemical Vapor Deposition of Refractory Metals and Ceramics 2. Materials Research Society Symposium Proceedings Held in Boston, Massachusetts on December 4-6, 1991. Volume 250Published by Defense Technical Information Center (DTIC) ,1993
- The fabrication of metal matrix composites by a pressureless infiltration techniqueJournal of Materials Science, 1991
- Microelectronics Packaging HandbookJournal of Electronic Packaging, 1989
- Flash Method of Determining Thermal Diffusivity, Heat Capacity, and Thermal ConductivityJournal of Applied Physics, 1961