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Chemical stability of molybdenum and tungsten borides

  • Test Methods and Properties of Materials
  • Published:
Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

  1. 1.

    It has been established that molybdenum and tungsten borides oxidize during storage in air and generally contain a significant amount of oxides. A method is proposed for ridding molybdenum and tungsten borides of oxides, involving treatment with 2% hydrochloric acid and 1% oxalic acid, respectively.

  2. 2.

    A study was made of the chemical stability of molybdenum and tungsten borides in some acids, mixtures of acids with oxidizing and complexing agents, oxidizing mixtures, and alkaline solutions.

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Literature cited

  1. K. D. Modylevskaya and G. V. Samsonov, Ukr. Khim. Zh.,25, 55 (1959).

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  2. A. M. Vasserman, Yu. N. Surova, et al., Zavod. Lab.,34, No. 8, 919 (1968).

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Authors and Affiliations

  1. Institute of Materials Science, Academy of Sciences of the Ukrainian SSR, Ukraine

    L. N. Kugai

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  1. L. N. Kugai
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Translated from Poroshkovaya Metallurgiya, No. 12 (108), pp. 54–57, December, 1971.

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Kugai, L.N. Chemical stability of molybdenum and tungsten borides. Powder Metall Met Ceram 10, 982–984 (1971). https://doi.org/10.1007/BF00797362

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  • DOI: https://doi.org/10.1007/BF00797362

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