Materials Transactions Online

Transactions of the Japan Institute of Metals, Vol. 1 No. 2 (1960) pp.125-129
© 1960 The Japan Institute of Metals

The Dissociation Pressure of VC at High Temperature and the Thermodynamic Properties

Shiro Fujishiro*

The dissociation pressure of gaseous vanadium in the reaction VC(s)=V(g)+C(graphite) has been determined in the range of 2346∼2545°K by means of Knudsen cell effusion method.
The pressure at the above temperature range is adequately expressed by log Pv(atm)=-30,400/T+7.50, from which, and coupling with the reported heat capacity data, the pertinent thermodynamic properties are calculated.

(Received February 10, 1961)


* Metallurgical Laboratory, Department of Chemistry, Faculty of Science, Kyoto University.

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