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Reduction of tungsten oxide to tungsten metal

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Abstract

Tungsten oxide, WO2.96, was reduced toα-W in hydrogen for various time periods over the temperature range 500°C to 900°C. Intermediate oxides were determined using X-ray diffraction analysis of the semireduced powders. Several dopant conditions were used, to find the effect on oxide structures and reaction kinetics of the usual dopants K, Si and Al. The scanning electron microscope was employed to determine the morphology of the crystallites at intermediate and final stages of reduction.

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Authors and Affiliations

  1. Department of Metallurgy and Mining Engineering, University of Illinois, 61801, Urbana, IL

    Theodore R. Wilken (Graduate Research Assistant) & Charles A. Wert (Head)

  2. Materials Research Laboratory, University of Illinois, 61801, Urbana, IL

    John B. Woodhouse (Senior Microprobe Analyst)

  3. Westinghouse Lamp Divisions, 07003, Bloomfield, NJ

    William R. Morcom (Manufacturing Engineering Manager)

Authors
  1. Theodore R. Wilken
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  2. William R. Morcom
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  3. Charles A. Wert
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  4. John B. Woodhouse
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Additional information

This research was supported in part by the U.S. Energy Research and Development Administration, Contract E(11-1)-1198.

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Wilken, T.R., Morcom, W.R., Wert, C.A. et al. Reduction of tungsten oxide to tungsten metal. Metall Trans B 7, 589–597 (1976). https://doi.org/10.1007/BF02698592

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  • DOI: https://doi.org/10.1007/BF02698592

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