Heat Capacity and Thermodynamic Functions of Ni<SUB>36</SUB>Nb<SUB>24</SUB>Zr<SUB>40</SUB> Glassy Alloy

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  • Uchida Atsuko
    Materials and Structures Laboratory, Tokyo Institute of Technology
  • Kawaji Hitoshi
    Materials and Structures Laboratory, Tokyo Institute of Technology
  • Atake Tooru
    Materials and Structures Laboratory, Tokyo Institute of Technology
  • Fukuhara Mikio
    Institute for Materials Research, Tohoku University
  • Inoue Akihisa
    Institute for Materials Research, Tohoku University

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  • Heat capacity and thermodynamic functions of Ni36Nb24Zr40 glassy alloy

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Abstract

The heat capacity of a Ni36Nb24Zr40 glassy alloy was measured by adiabatic calorimetry from 13 to 300 K. The smoothed values of molar heat capacity were calculated from the data using a least-squares method. The standard enthalpy, entropy, and Gibbs energy were calculated from the smoothed heat capacity values. Assuming H(0)=0 and S(0)=0 at 0 K, the heat capacity, enthalpy, entropy, and Gibbs energy at 298.15 K are 24.91 J·K−1·mol−1, 5.252 kJ·mol−1, 36.45 J·K−1·mol−1, and −5.615 kJ·mol−1, respectively.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 50 (6), 1247-1249, 2009

    The Japan Institute of Metals and Materials

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