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Microstructure and properties of boride coatings formed by induction heating of steel

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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    The high rate of boriding during induction heating is due to heating above the solidus temperature and the occurrence of the eutectic reaction.

  2. 2.

    During saturation from boron carbide there is intensive diffusion of boron and carbon into the metal.

  3. 3.

    Depending on the saturation conditions, which determine the concentration of active boron atoms in the reaction zone and the diffusion rate, boriding with induction heating may result in a diffusion coating with a hypoeutectic or hypereutectic structure with different ratios and distributions of the structural components.

  4. 4.

    The microstructure and phase composition differ through the thickness of the boride coating.

  5. 5.

    Boride coatings formed during induction heating have high ductility with fairly high hardness and wear resistance and can be used to harden fast-wearing parts of farm machinery.

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Literature cited

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  7. P. K. Grigorov and B. B. Katkhanov, "Method of determining the brittleness of boride coatings," in: Improving the Reliability and Service Life of Machines [in Russian], No. 16, Trudy NIITM, ONTI, Rostov-on-Don (1972), p. 97.

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Authors
  1. V. N. Tkachev
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  2. B. N. Polyakov
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  3. V. I. Sidel'nikova
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Additional information

Rostov-on-Don Scientific-Research Institute of Machine Construction Technology. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 2–5, January, 1979.

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Tkachev, V.N., Polyakov, B.N. & Sidel'nikova, V.I. Microstructure and properties of boride coatings formed by induction heating of steel. Met Sci Heat Treat 21, 3–7 (1979). https://doi.org/10.1007/BF00800386

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  • DOI: https://doi.org/10.1007/BF00800386

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