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Life of hardened materials under the conditions of contact load

  • Strength Properties
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Among the materials investigated the pitting formation process takes place most intensely in the M2 plasma coating. The resistance of the PG-SR4 coating to contact-fatigue failure is at the level of a similar characteristic of U8 steel with bainite structure after isothermal processing.

  2. 2.

    The controllable thermoplastic hardening of the U8 steel with subsequent treatment to bainite results in an increase in its fracture toughness, increases the resistance to contact-fatigue failure in comparison with normal isothermal processing.

  3. 3.

    For increasing the resistance to contact-fatigue of protective coatings, it is necessary to reduce their porosity, increase their cohesion strength and the strength of bonds with the base metal.

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Literature cited

  1. L. I. Tushinskii, A. O. Tokarev, and V. S. Vlasov, "Formation of optimum structure and structural strength of carbon steel by adjustable thermoplastic treatment", in: New Methods of Hardening and Treatment of Metals [in Russian], nÉTI, Novosibirsk (1979), pp. 3–10.

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  2. V. S. Vlasov, A. A. Bataev, and B. M. Potapov, "Adjustable thermoplastic hardening of carbon steels", in: Structures of Volume- and Surface-Hardened Steel [in Russian], NÉTI, Novosibirsk (1984), pp. 69–73.

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  3. V. M. Potapov and E. N. Mironov, "Mechanical properties of the U8 steel with bainite structure after ATPH", in: Optimum Structure of Steel for Increasing the Structural Strength [in Russian], NÉTI, Novosibirsk (1983), pp. 15–23.

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Authors
  1. L. I. Tushinskii
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  2. V. A. Bataev
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  3. V. M. Potapov
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  4. A. A. Bataev
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  5. A. P. Timofeev
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Additional information

Novosibirsk Electrotechnical Institute. Novosibirsk State Pedagogical Institute, NPO "Tulachermet," Translated from Metallovedenie Termicheskaya Obrabotka Metallov, No. 5, pp. 36–38, May, 1988.

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Tushinskii, L.I., Bataev, V.A., Potapov, V.M. et al. Life of hardened materials under the conditions of contact load. Met Sci Heat Treat 30, 363–365 (1988). https://doi.org/10.1007/BF00701047

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  • DOI: https://doi.org/10.1007/BF00701047

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