溶融Zn-Pb合金の熱力学的研究

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タイトル別名
  • Thermodynamic Study of the Liquid Zn-Pb Alloys
  • ヨウユウ Zn-Pb ゴウキン ノ ネツリキガクテキ ケンキュウ

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The thermodynamic properties of the liquid Zn-Pb alloys above 1000°C and the vapor-liquid equilibrium composition of this system at an atmospheric pressure have been determined by the application of EMF measurements. The cell used in this work was a closed type and made of quartz. Measurements were carried out over a temperature range of 850° to 1050°C. From these experimental results the liquid alloys were found to exhibit considerable positive deviations from Raoult’s Law and nonregular behavior. On the basis of these experimental results and some other results, the following equations were derived for ln γ as a function of temperature and alloy composition.<BR>(This article is not displayable. Please see full text pdf.) <BR>\oindentFrom these equations the vapor-liquid equilibrium of the Zn-Pb system at an atmospheric pressure was determined and it has been found that the ratio of NPb(g)⁄NPb(l) for the infinite dilute solution was nearly equall to 0.012. Furthermore it has been confirmed that some calculated values from these equations were in good agreement with reliable experimental data over a temperature range from 600° to 1100°C.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 28 (7), 407-412, 1964

    公益社団法人 日本金属学会

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