ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
Concentration Dependence of Molar Volume of Binary Si Alloys in Liquid State
Akitoshi MizunoHiroya KawauchiMitsuhiro TannoKentaro MuraiHidekazu KobatakeHiroyuki FukuyamaTakao TsukadaMasahito Watanabe
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2014 Volume 54 Issue 9 Pages 2120-2124

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Abstract

The molar volumes of binary M–Si (M=Fe, Ni, and Ge) alloys in a liquid state were obtained from their densities measured using electromagnetic levitation coupled with a static magnetic field. We have systematically analyzed the molar volume as a function of composition. Although the concentration dependence of the molar volume of the liquid Ge–Si alloys obeys a linear law which is indicative of an ideal mixture, in comparison, that of the Ni–Si alloys shows a large discrepancy from the linear law as well as the Fe–Si system. The interaction between the constituent atoms was discussed with a view to analyzing the partial molar volume.

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© 2014 by The Iron and Steel Institute of Japan
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