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Structure of multilayer microcomposite Ni/Al obtained by diffusion welding

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Inorganic Materials: Applied Research Aims and scope

Abstract

The article discusses the study of the structure of composite materials of layered type, in which alteration of layers of brittle heat-resistant and relatively plastic components should provide nonbrittle behavior of the composite in general at temperatures higher than 1000°C. The possibility of obtaining such materials is demonstrated for the case of the Ni-Al system. Diffusion welding under pressure at temperatures not higher than aluminum melting point is applied at first to produce multilayered composites Ni/Al, in which at subsequent higher temperatures multilayered structures are generated from chemical compounds formed as a consequence of mutual diffusion of nickel and aluminum. The compound NiAl has the highest interest. Flat samples are obtained consisting of a sufficiently high amount of diffusion layers of NiAl with thickness of ∼110 μm.

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Authors and Affiliations

  1. Institute of Solid State Physics, Russian Academy of Sciences, ul. Akademika Osipyana 2, Chernogolovka, Moscow oblast, 142432, Russia

    V. P. Korzhov, V. M. Kiiko & M. I. Karpov

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  1. V. P. Korzhov
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  2. V. M. Kiiko
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  3. M. I. Karpov
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Correspondence to V. P. Korzhov.

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Original Russian Text © V.P. Korzhov, V.M. Kiiko, M.I. Karpov, 2012, published in Materialovedenie, 2011, No. 12, pp. 34–38.

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Korzhov, V.P., Kiiko, V.M. & Karpov, M.I. Structure of multilayer microcomposite Ni/Al obtained by diffusion welding. Inorg. Mater. Appl. Res. 3, 314–318 (2012). https://doi.org/10.1134/S2075113312040107

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  • DOI: https://doi.org/10.1134/S2075113312040107

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