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Temperature dependences of thermal expansion and saturation magnetization in Fe(67.0%)-Ni(32.5%)-Co(0.5%) Invar alloy with nanocrystalline structure

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Abstract

The effect of the nanocrystalline structure of Fe(67.0%)-Ni(32.5%)-Co(0.5%) Invar alloy on its thermal expansion is considered. It is found that the structure with grain mean sizes of about 100 nm increases its temperature coefficient of thermal expansion in the range of “invarness,” i.e., in the temperature range where the alloy offers the Invar properties. Reasons for this behavior are analyzed by taking the temperature dependence of the saturation magnetization.

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Authors and Affiliations

  1. Institute of Problems of Metal Superplasticity, Russian Academy of Sciences, ul. Khalturina 34, Ufa, 450001, Bashkortostan, Russia

    Kh. Ya. Mulyukov, I. Z. Sharipov, I. Kh. Bitkulov & R. R. Mulyukov

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  1. Kh. Ya. Mulyukov
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  2. I. Z. Sharipov
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  3. I. Kh. Bitkulov
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  4. R. R. Mulyukov
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Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 72, No. 7, 2002, pp. 75–78.

Original Russian Text Copyright © 2002 by Kh. Mulyukov, Sharipov, Bitkulov, R. Mulyukov.

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Mulyukov, K.Y., Sharipov, I.Z., Bitkulov, I.K. et al. Temperature dependences of thermal expansion and saturation magnetization in Fe(67.0%)-Ni(32.5%)-Co(0.5%) Invar alloy with nanocrystalline structure. Tech. Phys. 47, 869–872 (2002). https://doi.org/10.1134/1.1495050

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  • DOI: https://doi.org/10.1134/1.1495050

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