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Study of the Hardness and Elastic Modulus of Cementite in the Structure of Granular Pearlite by the Nano-Indentation Method

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Metal Science and Heat Treatment Aims and scope

The method of nano-indentation is used to study the microhardness and modulus of elasticity of cementite in the structure of granular pearlite in the initial condition (after spheroidizing annealing) and after cold plastic deformation with ε = 34% and ε = 65%. It is shown that both characteristics of the cementite vary non-monotonically with an increase in strain. The results are compared with electron microscope data on the evolution of the deformed structure of granular pearlite.

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This research was conducted in part with financial support in the form of RFFI Grant No. 1-02-00048 and Youth Grant No. 13-2-NP-346 from the Ural Branch of the Russian Academy of Sciences (RFFI — Russian Foundation for Basic Research).

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Authors and Affiliations

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

    T. A. Zubkova, I. L. Yakovleva & L. E. Kar’kina

  2. Institute of Mechanical Engineering, Ural Branch of the Russian Academy of Sciences, Ekaterinburg, Russia

    I. A. Veretennikova

Authors
  1. T. A. Zubkova
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  2. I. L. Yakovleva
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  3. L. E. Kar’kina
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  4. I. A. Veretennikova
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Correspondence to T. A. Zubkova.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 49 – 53, June, 2014.

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Zubkova, T.A., Yakovleva, I.L., Kar’kina, L.E. et al. Study of the Hardness and Elastic Modulus of Cementite in the Structure of Granular Pearlite by the Nano-Indentation Method. Met Sci Heat Treat 56, 330–335 (2014). https://doi.org/10.1007/s11041-014-9756-3

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  • DOI: https://doi.org/10.1007/s11041-014-9756-3

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