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Effect of high-temperature tempering on resistance to fracture of heat treatable structural steels

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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    With increasing tempering temperature (in the range of 620–680°C) the strength characteristics decrease monotonically, while the toughness (a C, T50) reaches a peak with tempering at 640°C.

  2. 2.

    With quenching from the intercritical temperature range the toughness does not reach a maximum value in the presence of more than 5% ferrite.

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Literature cited

  1. M. A. Kramarov and A. A. Kroshkin, "Effect of strength level on resistance to brittle fracture and sensitivity to cracks of medium-carbon alloy steels", in: Metal Science [in Russian], No. 13, Sudostroenie, Leningrad (1969), pp. 3–9.

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  2. M. A. Kramarov and Yu. V. Shakhnazarov, "Resistance of steel 40Kh to crack propagation in relation to tempering temperature", Metal. i Term. Obrabotka Metal., No. 7, 76–77 (1971).

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  3. V. G. Martynov, "Effect of tempering temperature on resistance to crack propoagation of steel 18Kh2N4VA", Problemy Prochnosti, No. 8, 74–76 (1973).

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Authors
  1. A. B. Rybakov
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  2. M. A. Kramorov
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  3. Yu. P. Solntsev
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 4, pp. 58–59, April, 1975.

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Rybakov, A.B., Kramorov, M.A. & Solntsev, Y.P. Effect of high-temperature tempering on resistance to fracture of heat treatable structural steels. Met Sci Heat Treat 17, 334–335 (1975). https://doi.org/10.1007/BF00663398

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  • DOI: https://doi.org/10.1007/BF00663398

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