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

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Conclusions

  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

  1. 1.

    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.

  2. 2.

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

  3. 3.

    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).

  4. 4.

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

  5. 5.

    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).

  6. 6.

    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).

  7. 7.

    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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Keywords

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