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Liquid boriding in induction salt baths

  • Chemicothermal Treatment
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    The high-frequency electromagnetic field in an induction salt bath does not cause reduction of boron in borax in boriding.

  2. 2.

    The processes of carburization and rectification in an induction salt bath with a graphite crucible intensify the boriding process.

  3. 3.

    In liquid boriding in an induction salt bath a "reinforced" type boride structure is formed. Parts with such a structure (dies, tools, measuring instruments) possess increased resistance to crack formation.

  4. 4.

    The microhardness of the boride phases formed in induction salt baths does not differ from that obtained in normal boriding.

  5. 5.

    Solution by the molten salt of the products of failure of the graphite lining in an induction salt bath does not cause a decrease in the intensity of the boriding process.

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Literature cited

  1. L. G. Voroshnin and L. S. Lyakhovich, Boriding of Steel [in Russian], Metallurgiya, Moscow (1978).

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  2. E. A. Smol'nikov and A. N. Simonenko, "The kinetics of induction heating of steel parts in a salt bath with a graphite crucible," Metalloved. Term. Obrab. Met., No. 10, 17 (1976).

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  3. E. A. Smol'nikov and A. N. Simonenko, "The decarburizing and carburizing activity of salt baths with a graphite crucible," Metalloved. Term. Obrab. Met., No. 9, 2 (1974).

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  4. A. N. Simonenko and N. A. Zarubin, "A high-temperature salt bath with a graphite crucible," Metalloved. Term. Obrab. Met., No. 11, 25 (1971).

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  5. A. N. Simonenko, V. A. Shestakov, and V. N. Poboinya, "Automatic control of the temperature of the molten salt in induction salt baths," Metalloved. Term. Obrab. Met., No. 1, 55 (1979).

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Authors
  1. A. N. Simonenko
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  2. V. A. Shestakov
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  3. V. N. Poboinya
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp 51–52, May, 1982.

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Simonenko, A.N., Shestakov, V.A. & Poboinya, V.N. Liquid boriding in induction salt baths. Met Sci Heat Treat 24, 360–361 (1982). https://doi.org/10.1007/BF00782814

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  • DOI: https://doi.org/10.1007/BF00782814

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