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Evolution of Dislocation Structure in a Ni3Al Single Crystal Under the Conditions of High-Temperature Superplasticity

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An Erratum to this article was published on 01 July 2017

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The evolution of defective structure in a single crystal of a Ni3Al-base intermetallic with iron and chromium additives under the conditions of superplasticity (δ = 140%) is studied by transmission electron microscopy. The tensile deformation is performed a 1150°C. Planar flaws and recrystallized grains are detected in the fractured zone of the metal. The mechanisms of high-temperature superplasticity of alloys based on Ni3Al intermetallic are discussed.

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  • 01 August 2017

    An erratum to this article has been published.

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The work has been performed with financial support of the Russian Scientific Foundation within Project No. 15-12-00001. The authors would like to express their gratitude to Yu. N. Akshentsev for the single crystals supplied for the study.

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Authors and Affiliations

  1. Institute of Metals Physics of the Mikheev Ural Branch of the Russian Academy of Sciences, Ekaterinburg, Russia

    N. V. Kazantseva, N. N. Stepanova & N. I. Vinogradova

  2. Ural State University for Lines of Communication, Ekaterinburg, Russia

    N. V. Kazantseva

Authors
  1. N. V. Kazantseva
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  2. N. N. Stepanova
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  3. N. I. Vinogradova
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 35 – 39, September, 2016.

An erratum to this article is available at https://doi.org/10.1007/s11041-017-0139-4.

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Kazantseva, N.V., Stepanova, N.N. & Vinogradova, N.I. Evolution of Dislocation Structure in a Ni3Al Single Crystal Under the Conditions of High-Temperature Superplasticity. Met Sci Heat Treat 58, 548–552 (2017). https://doi.org/10.1007/s11041-017-0052-x

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  • DOI: https://doi.org/10.1007/s11041-017-0052-x

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