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Cobalt-Chromium Powder Alloys and Retention Coatings Made from Them for Orthopaedic Stomatology

  • Theory, Production Technology, and Properties of Powders and Fibers
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Powder Metallurgy and Metal Ceramics Aims and scope

Abstract

An alloy of Co-Ni-Mo-Cr is prepared by diffusion impregnation with chromium from point sources of cobalt-nickel-molybdenum alloy powder synthesized by combined reduction. Optimum regimes are determined for preparing alloy powder by combined reduction of cobalt, nickel, and molybdenum oxides (reduction temperature 1325 K, isothermal soaking time 3 h) and diffusion impregnation with chromium (temperature 1373 K, isothermal soaking time 4 h). The adhesive strength of a facing coating with material of a dental prosthesis manufactured using the alloy developed is studied. It is shown that with application of retention layers the adhesive strength increases by a factor of three to five compared with using cast spheres (beads).

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Authors and Affiliations

  1. National Technical University “Kiev Polytechnic Institute”, Kiev, Ukraine

    A. V. Besov, V. A. Maslyuk, A. N. Stepanchuk, S. G. Napara-Volgina & L. N. Orlova

  2. Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Kiev, Ukraine

    A. V. Besov, V. A. Maslyuk, A. N. Stepanchuk, S. G. Napara-Volgina & L. N. Orlova

Authors
  1. A. V. Besov
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  2. V. A. Maslyuk
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  3. A. N. Stepanchuk
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  4. S. G. Napara-Volgina
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  5. L. N. Orlova
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Translated from Poroshkovaya Metallurgiya, Nos. 5–6(443), pp. 3–7, May–June, 2005.

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Besov, A.V., Maslyuk, V.A., Stepanchuk, A.N. et al. Cobalt-Chromium Powder Alloys and Retention Coatings Made from Them for Orthopaedic Stomatology. Powder Metall Met Ceram 44, 207–210 (2005). https://doi.org/10.1007/s11106-005-0082-6

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  • DOI: https://doi.org/10.1007/s11106-005-0082-6

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