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Copper matrix composites

Copper matrix composites with multi-wall carbon nanotubes
Thomas Janhsen and Christian Edtmaier

Carbon nanotubes were highly dispersed and within a copper matrix for the production of metal matrix composites. The matrix metal copper was built up by wet-chemical precipitation and conventional powder metallurgical methods respectively. Intermediate layers of copper or nickel were also tested.
The most interesting properties comprise the thermal conductivity and the coefficient of thermal expansion. The weight fraction of the carbon nanotubes is varied between 0,5 and 3 w/w. The investigated composites showed thermal conductivities in the range of 300 W*m-1*K-1 with equal or lower coefficients of thermal expansion than copper.

For more information please contact:

Research Group on Nano-Materials
Head of group:
Ass. Prof. Dr. Christian EDTMAIER
Vienna University of Technology
Institute of Chemical Technologies and Analytics
Getreidemarkt 9/164-CT
A-1060 Vienna

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email: cedtmaie@mail.zserv.tuwien.ac.at

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