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Structure-phase transformations in electrospark iron-carbon surfaces at different heating temperatures

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Abstract

The results of investigation of the surface structure-base transformation of iron specimens subjected to carbonization by the electrospark method and heating in the temperature range of 20–800°C are given. It is known that, after electrospark alloying with graphite, a surface layer consisting of mainly austenite and cementite forms with a carbon content in γ-Fe. The quantity of the austenite reduces with heating, and, at 300°C, it fully turns into a ferrite-cementite mixture (perlite). The heating of the specimens reduces the value of the microstresses, and the diffraction lines narrow down coming nearer to the annealed armco-iron values.

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Authors and Affiliations

  1. Institute of Applied Physics, Academy of Sciences of Moldova, ul. Akademiey 5, Chisinau, MD-2028, Republic of Moldova

    A. N. Mikhailyuk & G. F. Volodina

Authors
  1. A. N. Mikhailyuk
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  2. G. F. Volodina
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Correspondence to A. N. Mikhailyuk.

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Original Russian Text © A.N. Mikhailyuk, G.F. Volodina, 2010, published in Elektronnaya Obrabotka Materialov, 2010, No. 6, pp. 53–55.

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Mikhailyuk, A.N., Volodina, G.F. Structure-phase transformations in electrospark iron-carbon surfaces at different heating temperatures. Surf. Engin. Appl.Electrochem. 46, 579–581 (2010). https://doi.org/10.3103/S1068375510060062

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  • DOI: https://doi.org/10.3103/S1068375510060062

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