Copper–graphite composites: thermal expansion, thermal and electrical conductivities, and cross-property connections
Source abstract
Abstract
The paper focuses on thermal and electrical properties of copper–graphite composites. Copper–graphite composites in the range of 0–50 vol% of graphite were prepared from the mixture of copper and graphite powder by the powder metallurgy method. Such composites combine high thermal and electrical conductivities provided by copper matrix and low thermal expansion coefficient and lubricating properties due to the graphite phase. We model thermal and electrical conductivities and thermal expansion coefficient using methods of micromechanics in connection with the material microstructure and measure these quantities experimentally to compare with the results of modeling. Cross-property connections between thermal and electrical properties of the composites are established and experimentally verified.
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Research context
OpenAlex topics: Aluminum Alloys Composites Properties · Composite Material Mechanics · Advanced ceramic materials synthesis
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