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The solid state portion of the Hf-Ta phase diagram

Metallurgical Transactions A volume 6, pages 997–1002 (1975)Cite this article

Abstract

The solid state reactions in the Hf-Ta system were investigated by high-temperature X-ray diffraction, differential thermal analysis, and electron probe microanalysis. The results support a phase diagram with a monotectoid at about 40 at. pct Ta and an isotherm at 1083°C. A small miscibility gap was observed between about 40 and 80 at. pct Ta with a maximum temperature of about 1150°C.

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Authors and Affiliations

  1. Bureau of Mines, U.S. Department of the Interior, Albany Metallurgy Research Center, 97321, Albany, Ore.

    Marion P. Krug (Research Physicist), Laurance L. Oden (Research Chemist) & Peter A. Romans (Supervisory Research Physicist)

Authors
  1. Marion P. Krug
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  2. Laurance L. Oden
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  3. Peter A. Romans
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Krug, M.P., Oden, L.L. & Romans, P.A. The solid state portion of the Hf-Ta phase diagram. Metall Mater Trans A 6, 997–1002 (1975). https://doi.org/10.1007/BF02661352

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  • DOI: https://doi.org/10.1007/BF02661352

Keywords

  • Metallurgical Transaction
  • Differential Thermal Analysis
  • Thermal Arrest
  • Partial Phase Diagram
  • Mardon