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Thorium-Columbium and Thorium-Titanium Alloy Systems

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Abstract

On the basis of data obtained from microscopic examination, melting observations, cooling curves, X-ray analyses, and resistance measurements, phase diagrams have been proposed for the Th-Cb and Th-Ti alloy systems. Both are simple eutectic systems and have no terminal solid solubility or intermediate phases. The eutectic between thorium and columbium occurs at a composition of about 8 wt pet Cb and a temperature of 1435°C. The Th-Ti eutectic occurs at 1190°C at the composition 12 wt pet Ti. No change was observed in the transformation temperature of thorium in either system or in the titanium transformation.

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Authors and Affiliations

  1. Ames Laboratory, AEC, Iowa State College, Ames, Iowa, USA

    O. N. Carlson, J. M. Dickinson, H. E. Lunt & H. A. Wilhelm

Authors
  1. O. N. Carlson
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  2. J. M. Dickinson
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  3. H. E. Lunt
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  4. H. A. Wilhelm
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Additional information

Discussion of this paper, TP 4022E, may be sent, 2 copies, to AIME by Apr. 1, 1956. Manuscript, Dec. 18, 1954. Philadelphia Meeting, October 1955.

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Carlson, O.N., Dickinson, J.M., Lunt, H.E. et al. Thorium-Columbium and Thorium-Titanium Alloy Systems. JOM 8, 132–136 (1956). https://doi.org/10.1007/BF03377657

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  • DOI: https://doi.org/10.1007/BF03377657

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