[Kovove materialy - Metallic materials]
    Thu - March 28, 2024 - 13:51 No. of hits : 1736405 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 37 (1999), Issue 1

Effect of zirconium upon the thermal conductivity of copper
SEBO, P., KAVECKY, S., STEFANIK, P., GROBOTH, G., KORB, G.
vol. 37 (1999), no. 1, pp. 1 - 7

Abstract
Effect of zirconium upon the thermal conductivity of copper-zirconium alloys was studied in the temperature range of 323-873 K. Thermal diffusivity of Cu-Zr alloys containing 0.1, 0.9, and 3.6 at. % zirconium was measured by Nd glass laser flash method. Specific heat of these alloys was measured in differential scanning calorimeter. Thermal conductivity of Cu - 0.1 at. % alloy decreases with temperature, whereas alloys with higher zirconium concentrations have a positive dependence of thermal conductivity on temperature. Thermal conductivity decreases very strongly with zirconium concentration, nevertheless, its decrease is ten times smaller than that in Cu-Ti alloys with titanium concentration. This fact supports the intent of using zirconium as a bonding layer in copper-carbon fibre composites.

Key words
copper, zirconium, thermal conductivity, laser flash method

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
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