Heat capacity and thermodynamic functions of Ni36Nb 24Zr40 glassy alloy

Atsuko Uchida, Hitoshi Kawaji, Tooru Atake, Mikio Fukuhara, Akihisa Inoue

Research output: Contribution to journalArticle

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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 298.15K 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.

Original languageEnglish
Pages (from-to)1247-1249
Number of pages3
JournalMaterials Transactions
Volume50
Issue number6
DOIs
Publication statusPublished - 2009 Jun 1

Keywords

  • Glassy alloy
  • Heat capacity
  • NiNbZr
  • Thermodynamic functions

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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    Uchida, A., Kawaji, H., Atake, T., Fukuhara, M., & Inoue, A. (2009). Heat capacity and thermodynamic functions of Ni36Nb 24Zr40 glassy alloy. Materials Transactions, 50(6), 1247-1249. https://doi.org/10.2320/matertrans.ME200830