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Effect of structure on the wear of quenched martensitic cast iron for diesel cylinder liners

  • Cast Iron
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    In order to obtain macrogeometrical stability and the formation of protective structures of elevated wear resistance in cylinder liners of manganese cast iron, heat treatment including high-frequency heating of the liners combined with hardening by quenching is necessary.

  2. 2.

    The amount of retained austenite in cast iron hardened using HFC heating must be 34–36%. Decrease or increase of this amount of Aret in the martensitic cast iron base decreases the resistance to wear and scoring of cast iron liners with a high concentration of manganese (∼2.0%).

  3. 3.

    The working-in regimen has a strong effect on the ability of the rubbing surfaces to form protective secondary structures of optimal phase composition. Preliminary "conditioning" of the surfaces by working-in at low specific loads, using a definite number of cycles, is necessary to guarantee compatibility of the elements of the rubbing pair.

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Literature cited

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Authors
  1. B. M. Astashkevich
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  2. O. M. Eparkhin
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  3. G. A. Maznova
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Additional information

VNIIZhT. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 28–31, December, 1990.

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Astashkevich, B.M., Eparkhin, O.M. & Maznova, G.A. Effect of structure on the wear of quenched martensitic cast iron for diesel cylinder liners. Met Sci Heat Treat 32, 931–934 (1990). https://doi.org/10.1007/BF00700086

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  • DOI: https://doi.org/10.1007/BF00700086

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