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Short and long-time strengths of hot-worked KhN55VMTFKYU alloy produced by powder metallurgy

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

Conclusions

  1. 1.

    A study was made of the short- and long-time strengths of hot-worked KhN55VMTFKYu alloy produced by powder metallurgy from a powder prepared from machining swarf.

  2. 2.

    Heat treatment (quenching to solid solution + carbide precipitation quenching + intermetallic compound precipitation tempering) markedly lowers the strength and ductility levels of the alloy at 20°C, but increases its long-time strength at high temperatures.

  3. 3.

    The room-temperature mechanical properties of KhN55VMTFKYu alloy produced by powder metallurgy and its heat resistance at 800–950°C are comparable with those of some nickel-base heat resistant alloys produced by the orthodox casting process.

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Literature cited

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Authors and Affiliations

  1. I. P. Bardin Central Scientific-Research Institute of Ferrous Metallurgy, USSR

    I. A. Lavrent'ev, R. P. Shchegoleva & L. S. Golubeva

  2. V. V. Kuibyshev Belorussian State Institute of National Economy, USSR

    I. A. Lavrent'ev, R. P. Shchegoleva & L. S. Golubeva

Authors
  1. I. A. Lavrent'ev
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  2. R. P. Shchegoleva
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  3. L. S. Golubeva
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Additional information

A 55% Ni-Cr-W-Mo-Ti-V-Co-Al heat resisting superalloy-Translator.

Translated from Poroshkovaya Metallurgiya, No. 3(159), pp. 91–95, March, 1976.

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Lavrent'ev, I.A., Shchegoleva, R.P. & Golubeva, L.S. Short and long-time strengths of hot-worked KhN55VMTFKYU alloy produced by powder metallurgy. Powder Metall Met Ceram 15, 234–237 (1976). https://doi.org/10.1007/BF00806536

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  • DOI: https://doi.org/10.1007/BF00806536

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