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Activities in the Ca-Si system

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Abstract

Calcium vapor pressure measurements using a direct-weighing Knudsen cell are described. The composition range investigated was 50 to 76 at. pct Si and the temperature range was 930° to 1220°C. Thoria and titanium metal were used as containers. The activities of silicon in the alloys were calculated by means of a Gibbs-Duhem integration.

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Authors and Affiliations

  1. Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario

    J. R. Wynnyckyj (Associate Professor)

  2. Department of Metallurgy and Materials Science, University of Toronto, Canada

    L. M. Pidgeon (Professor)

Authors
  1. J. R. Wynnyckyj
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  2. L. M. Pidgeon
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Formerly Graduate Student, University of Toronto, Toronto, Ontario, Canada.

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Wynnyckyj, J.R., Pidgeon, L.M. Activities in the Ca-Si system. Metall Trans 2, 975–978 (1971). https://doi.org/10.1007/BF02664227

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