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Effect of heat treatment on radiation embrittlement of low-alloy steel

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  1. 1.

    The susceptibility of quenched and tempered low-alloy steel to radiation embrittlement (irradiation at 230–370°) does not depend on the quenching temperature or the structure after quenching and normalization (martensite, bainite, ferrite-pearlite mixture).

  2. 2.

    The austenite grain size has no effect on RE susceptibility at irradiation temperatures of 40–50°, but the susceptibility tends to increase at 260–300° with increasing grain size.

  3. 3.

    RE susceptibility depends mainly on the tempering temperature, the effect increasing as the temperature increases.

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Literature cited

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    S. I. Sakhin, "Role of intermediate structures during heat treatment of medium-alloy structural steel," in: Metal Science [in Russian], No. 3, Sudpromgiz (1959), p. 88.

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    V. S. Mes'kin, Fundamentals of Alloying Steel [in Russian], Metallurgiya, Moscow (1964), p. 247.

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    V. A. Korablev, Yu. I. Ustinovshchikov, and I. G. Khatskelevich, "Embrittlement of chromium steels with formation of special carbides," Metalloved. Term. Obrab. Met., No. 1, 16 (1975).

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    V. Potapovs and J. Hawthorne, Nucl. Appl.,6, No. 1, 27 (1969).

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    V. A. Nikolaev and V. I. Badanin, "Effect of nickel, copper, and phosphorus on radiation embrittlement of ferritic—pearlitic steel," At. Énerg.,37, No. 6, 491 (1974).

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    V. A. Nikolaev and V. I. Badanin, "Effect of impurities on embrittlement of ferritic—pearlitic steel with neutron bombardment and holding at low temperatures," Metally, No. 2, 126 (1975).

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    L. M. Utevskii, Temper Brittleness of Steel [in Russian], Metallurgizdat, Moscow (1961), p. 138.

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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 39–43, January, 1977.

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Gorynin, I.V., Morozov, A.M. & Nikolaev, V.A. Effect of heat treatment on radiation embrittlement of low-alloy steel. Met Sci Heat Treat 19, 38–41 (1977). https://doi.org/10.1007/BF00703181

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  • Radiation
  • Grain Size
  • Heat Treatment
  • Austenite
  • Martensite