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).
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.
RE susceptibility depends mainly on the tempering temperature, the effect increasing as the temperature increases.
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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
- Grain Size
- Heat Treatment