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Investigation of oxidation and segregation processes at the surface of titanium nickelide

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Abstract

The chemical composition of the surface of the equiatomic alloy TiNi was studied using x-ray electron spectroscopy. It is shown that titanium nickelide shows a tendency toward titanium segregation at the free surface. After thermal action in vacuum and in air, the fraction of titanium atoms in the surface layer reaches 98% of the total content of titanium and nickel. Under heat treatment in air an oxidized layer forms at the surface whose main component is TiO2.

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References

  1. F. Z. Gil’mutdinov and O. M. Kanunnikova, Fiz. Met. Metalloved. 84(2), 78 (1997).

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  2. V. N. Khachin, V. G. Pushin, and V. V. Kondrat’ev, Titanium Nickelide: Structure and Properties [in Russian], Nauka, Moscow (1992), 160 pp.

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Authors and Affiliations

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

    S. P. Belyaev, F. Z. Gil’mutdinov & O. M. Kanunnikova

  2. V. I. Smirnov Research Institute of Mathematics and Mechanics, St. Petersburg State University, St. Petersburg

    S. P. Belyaev, F. Z. Gil’mutdinov & O. M. Kanunnikova

Authors
  1. S. P. Belyaev
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  2. F. Z. Gil’mutdinov
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  3. O. M. Kanunnikova
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Additional information

Pis’ma Zh. Tekh. Fiz. 25, 89–94 (July 12, 1999)

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Belyaev, S.P., Gil’mutdinov, F.Z. & Kanunnikova, O.M. Investigation of oxidation and segregation processes at the surface of titanium nickelide. Tech. Phys. Lett. 25, 546–548 (1999). https://doi.org/10.1134/1.1262548

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  • DOI: https://doi.org/10.1134/1.1262548

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