Thermodynamic properties of liquid Te-Tl alloys

Kazuo Kameda*, Katsunori Yamaguchi


研究成果: Article査読

4 被引用数 (Scopus)


A study of thermodynamic properties of the liquid Te-Tl alloys has been carried out by the galvanic cell of -W/Tl(1) |TlCl(KCl, LiCl) |Te-Tl(1) /W⊕ (for NTl = 0.15-0.90 at 768 to 981 K). The reliable values of E. M. F. were obtained for the alloys. Activities of thallium show negative deviations in the wide concentration range and abruptly increase from negative to positive around NTl = 0.65-0.70 and show positive deviations from Raoult's law in the thallium-rich side. Activities of tellurium exhibit negative deviations from Raoult's law over the whole concentration range. The activities of both components approach the ideal lines with increasing temperature. From the features of α functions of thallium for the system, the alloys are not considered as regular solutions. It is observed that the anomalous behaviors in ΔH̄Tl and ΔS̄Tl at the composition of TeTl2 are affected by the stable compound in the liquid state. The minimum values of the heat of mixing for the system are -25.3 kJ/mol at about ΔNTl = 0.65. In addition, other thermodynamic functions were calculated on the basis of the results obtained.

ジャーナルNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
出版ステータスPublished - 1991

ASJC Scopus subject areas

  • 凝縮系物理学
  • 材料力学
  • 金属および合金
  • 材料化学


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