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Structure of Thin Ribbons from an Al – Co Alloy Under Rapid Cooling

  • ALUMINUM ALLOYS
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Metal Science and Heat Treatment Aims and scope

The effect of superheating of melt on structure formation in hypereutectic alloy Al – 1.2 at.% Co is studied under the conditions of rapid cooling. It is shown that any superheating of the melt yields a double-phase structure in ribbons, which is represented by an aluminum solid solution partially supersaturated with cobalt and cobalt aluminides. Annealing changes the morphology of the cobalt aluminides. The solid solution decomposes at about 350°C.

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Notes

  1. Here and below in the text the cobalt content is given in atomic percent.

  2. The authors are grateful to A. L. Bel’tyukov for the valuable advices, to I. V. Sterkhova for the help with the DSC studies, and to T. I. Yablonskikh and V. V. Astaf’ev for the help with the metallographic analysis.

  3. The electron microscopic investigations were performed at the IFM UrO RAN at the Research Center for Nanotechnologies and Perspective Materials.

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Authors and Affiliations

  1. Physicotechnical Institute of the Ural Branch of the Russian Academy of Sciences, Izhevsk, Russia

    S. G. Men’shikova, V. I. Lad’yanov & A. A. Suslov

  2. Institute for the Physics of Metals of the Ural Branch of the Russian Academy of Sciences (IFM UrO RAN), Ekaterinburg, Russia

    I. G. Shirinkina & I. G. Brodova

Authors
  1. S. G. Men’shikova
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  2. I. G. Shirinkina
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  3. I. G. Brodova
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  4. V. I. Lad’yanov
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  5. A. A. Suslov
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Correspondence to S. G. Men’shikova.

Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 7, pp. 13 – 20, July, 2016.

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Men’shikova, S.G., Shirinkina, I.G., Brodova, I.G. et al. Structure of Thin Ribbons from an Al – Co Alloy Under Rapid Cooling. Met Sci Heat Treat 58, 393–399 (2016). https://doi.org/10.1007/s11041-016-0023-7

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  • DOI: https://doi.org/10.1007/s11041-016-0023-7

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