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Hardening and softening of nickel alloys containing aluminum oxide

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  1. 1.

    The type of aluminum oxide has a great effect on the loss of strength of nickel alloys with aluminum oxide. The γ-Al2O3 considerably increases the strength of the alloy. Possibly in this case the bond between the matrix and the oxide particles is stronger than the bond between nickel and α-Al2O3. Further experiments are needed to determine the type of bond between nickel and aluminum oxide.

  2. 2.

    It is assumed that a high degree of cold-plastic deformation leads to the loss of strength of nickel+γ-Al2O3 at the same temperature as the loss of strength of nickel+α-Al2O3 because of the very different deformation capacities of nickel and the γ-Al2O3.

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Literature Cited

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    K. Zwilsky and N. Grant, Journal of Metals,9, No. 10 (1957).

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    A. Gatti, TMSAIME,215, No. 5 (1959).

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    K. Cremens and N. Grant, Procedings ASTM,58 (1958–1959).

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    L. Bonis and N. Grant, TMSAIME,224, No. 2 (1962).

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    S. G. Tresvyatskii and A. M. Cherepanov, High-Strength Materials and Articles Made of Oxide [in Russian], Metallurgizdat, Moscow (1957).

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Additional information

Central Scientific Research Institute of Ferrous Metallurgy Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 29–32, March, 1966

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Borok, V.A., Zaitseva, R.D., Karpman, G.M. et al. Hardening and softening of nickel alloys containing aluminum oxide. Met Sci Heat Treat 8, 206–208 (1966). https://doi.org/10.1007/BF00660389

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  • Oxide
  • Aluminum
  • Nickel
  • Nickel Alloy
  • Oxide Particle