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Resistance of medium-carbon complex-alloy steels under the influence of impact-abrasive effects

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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    High wear resistance for medium-carbon complex-alloy Cr−Ni−Mo−V-steels under impact-abrasive wear conditions is achieved as a result of creating in their structure low-carbon pack martensite strenghthened by uniformly distributed dispersions of MC type vanadium carbide precipitates or advanced precipitates.

  2. 2.

    The higher wear resistance of medium-carbon complex-alloy steels after hardening with isothermal soaking at 625°C and tempering at 200°C under impact-abrasive conditions is governed by an optimum volume fraction of so-called mixed zones or vanadium carbide advanced precipitation in the matrix, and it is achieved with a content of 0.4% C and 1.7% V in the steel.

  3. 3.

    The high wear resistance, strength, and failure resistance make it possible to recommend steel type 40Kh3N3MF2B for manufacturing equipment and tools operating under impactabrasive wear conditions.

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Literature cited

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Authors
  1. K. R. Chaikovskii
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  2. Yu. Yu. Demina
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  3. K. A. Lanskaya
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  4. A. G. Rakhshtadt
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  5. L. S. Livshits
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Additional information

I. M. Gubkin Institute of the Petrochemical and Gas Industry (MING), Moscow. N. É. Bauman Higher Technical School, Moscow. I. P. Bardin Institute of Nonferrous Metallurgy, Moscow. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 7, pp. 12–17, July, 1987.

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Chaikovskii, K.R., Demina, Y.Y., Lanskaya, K.A. et al. Resistance of medium-carbon complex-alloy steels under the influence of impact-abrasive effects. Met Sci Heat Treat 29, 496–500 (1987). https://doi.org/10.1007/BF01167733

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  • DOI: https://doi.org/10.1007/BF01167733

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