The Lattice Thermal Conductivities of Annealed Copper‐Aluminium Alloys
- 1 January 1965
- journal article
- research article
- Published by Wiley in Physica Status Solidi (b)
- Vol. 10 (2) , 575-583
- https://doi.org/10.1002/pssb.2220100219
Abstract
Measurements have been made of the lattice thermal conductivities of six polycrystalline and two single crystal specimens of copper‐aluminium alloys in the temperature range 1.5 to 4.2 °K. The aluminium content varied from 2 to 12 at.% giving rise to residual electrical resistivities between 2 and 8 μΩ cm. The lattice thermal conductivities varied as T2 with small contributions, linear in temperature, which may arise from grain boundaries. The results are compared with the model for ultrasonic attenuation by free electrons due to Pippard.Keywords
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