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Electrical Resistivity and Thermal Conductivity of Pure Aluminum and Aluminum Alloys up to and above the Melting Temperature

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Experimental improvements of a four-probe technique to measure the electrical resistivity of molten metals led to an improvement of the measurement uncertainty to less than 6%. Measurements of pure Al and AlSi-, AlSiMg-, and AlSiCu-alloys with a systematic variation of individual components are described. The problem of the calculation of the thermal conductivity has been investigated, and the resulting values of the binary system have been discussed in terms of behavior during melting and solidification. There is a remarkable difference of the thermal conductivity before melting and after resolidification.

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Authors and Affiliations

  1. Institute for Nuclear Technology and Energy Systems (IKE), University of Stuttgart, 70550, Stuttgart, Germany

    R. Brandt & G. Neuer

Authors
  1. R. Brandt
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  2. G. Neuer
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Correspondence to R. Brandt.

Additional information

Paper presented at the Seventeenth European Conference on Thermophysical Properties, September 5–8, 2005, Bratislava, Slovak Republic.

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Brandt, R., Neuer, G. Electrical Resistivity and Thermal Conductivity of Pure Aluminum and Aluminum Alloys up to and above the Melting Temperature. Int J Thermophys 28, 1429–1446 (2007). https://doi.org/10.1007/s10765-006-0144-0

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  • DOI: https://doi.org/10.1007/s10765-006-0144-0

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