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Thermal conductivity of a CuCrZr alloy from 5 K to room temperatures

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    0351431 - ÚPT 2011 RIV GB eng J - Journal Article
    Hanzelka, Pavel - Musilová, Věra - Králík, Tomáš - Vonka, J.
    Thermal conductivity of a CuCrZr alloy from 5 K to room temperatures.
    Cryogenics. Roč. 50, 11-12 (2010), s. 737-742. ISSN 0011-2275. E-ISSN 1879-2235
    R&D Projects: GA AV ČR IAA100650804
    Institutional research plan: CEZ:AV0Z20650511
    Keywords : metals * heat transfer * cryostats
    Subject RIV: BJ - Thermodynamics
    Impact factor: 1.124, year: 2010

    Thermal conductivity of a CuCrZr alloy containing of 0.71% of Cr and 0.23% of Zr was measured in the temperature interval from 5 K to 300 K. A method utilizing the measurement of thermal conductivity integral of a sample was verified and applied. Measurements of thermal conductivity, electrical resistivity at 4.2 K and 295 K and of Brinell hardness were performed on solution annealed, precipitation hardened and "as received" materials. The CuCrZr alloy was found to be applicable where high mechanical properties together with high and stable thermal conductivity are required. The possibility to predict the thermal conductivity of precipitation hardened copper alloys from the electrical properties even if the RRR values are lower than 10 was verified at RRR = 5.
    Permanent Link: http://hdl.handle.net/11104/0191188

     
     
Number of the records: 1  

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