Thermal properties of metal matrix composites with planar distribution of carbon fibres | Zendy

Oddone Valerio | Zendy; Reich Stephanie | Zendy

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Thermal properties of metal matrix composites with planar distribution of carbon fibres

Author(s) -

Oddone Valerio,

Reich Stephanie

Publication year - 2017

Publication title -

physica status solidi (rrl) – rapid research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.786

H-Index - 68

eISSN - 1862-6270

pISSN - 1862-6254

DOI - 10.1002/pssr.201700090

Subject(s) - materials science , composite material , thermal expansion , thermal conductivity , composite number , metal , powder metallurgy , metal matrix composite , carbon fibers , matrix (chemical analysis) , planar , carbon nanotube metal matrix composites , carbon nanotube , microstructure , metallurgy , computer graphics (images) , computer science , nanotube

High thermal conductivity (TC) and a tunable coefficient of thermal expansion are essential properties for heat management materials operating in a wide temperature range. We combine both properties in a composite with a low‐density metal matrix reinforced with pitch‐based carbon fibres. The thermal conductivity of the metal matrix was increased by 50%, the thermal expansion coefficient was reduced by a factor of five. The samples were produced by powder metallurgy and have a planar random distribution of fibres, leading to high performance in two dimensions. Surface of a metal matrix composite with 50% carbon fibre (CF) strengthening (optical microscope, 20× magnification).

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