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Strength and endurance of heavily loaded machine parts heat treated by various methods

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Metal Science and Heat Treatment Aims and scope

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  1. 1.

    Surface hardening with deep induction heating of a steel with regulated hardenability makes it possible to obtain a better combination of static and fatigue strength and also wear resistance of axles ≥45 mm in diameter than that obtained in surface hardening with direct-succession induction heating and tempering (using a higher alloy steel with through hardenability) even when shot hardening is used in the latter case.

  2. 2.

    On surface hardening after direct-succession induction heating it is also possible to obtain high fatigue strength and wear resistance, as in surface hardening with deep induction heating, but the static strength is 10–15% lower and the output of the hardening apparatus is far lower [5].

  3. 3.

    Through hardening and low-temperature tempering of machine parts manufactured from through-hardenability steel with subsequent shot hardening makes it possible to obtain high static strength and wear resistance, but the fatigue strength under conditions of varying moments of force (torque) is considerably lower than after surface hardening with deep induction heating.

With increasing tempering temperatures the fatigue strength increases slightly, but the static strength and wear resistance drop sharply.

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Literature cited

  1. E. I. Natanzon and G. M. Tel'nov, Avtomobil'naya Promyshlennost', No. 2 (1960).

  2. K. Z. Shepelyakovskii and R. I. Éntin, Vestnik Mashinostroeniya, No. 12 (1958).

  3. K. Z. Shepelyakovskii, Metal, i Term. Obrabotka Metal., No. 11 (1959).

  4. K. Z. Shepelyakovskii, I. N. Shklyarov, and V. D. Kal'ner, Metal. i Term. Obrabotka Metal., No. 5 (1966).

  5. I. N. Shklyarov, Metal. i Term. Obrabotka Metal., No. 7 (1966).

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Authors
  1. K. Z. Shepelyakovskii
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  2. I. N. Shklyarov
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Additional information

Moscow Evening Metallurgical Institute, ZIL. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 7. pp. 12–18, July, 1968.

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Shepelyakovskii, K.Z., Shklyarov, I.N. Strength and endurance of heavily loaded machine parts heat treated by various methods. Met Sci Heat Treat 10, 509–513 (1968). https://doi.org/10.1007/BF00654352

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  • DOI: https://doi.org/10.1007/BF00654352

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