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Mechanical properties and microstructure of certain construction materials after neutron irradiation

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Abstract

The article presents data on the influence of irradiation during normal operation of the reactor at the First Atomic Power Station on the mechanical properties and microstructure of a number of austenitic, ferrite, ferritemartensitic steels and molybdenum. The authors demonstrate a sharp falloff in the plasticity of the austenitic and ferrite steels and molybdenum as a result of irradiation with a total flux of (0.9–3.4)·1020 neut/cm2 at a temperature of 450–650 ° C. It is found that the causes of steel and molybdenum becoming brittle differ from one another in their nature. The information presented may prove useful in the planning of new atomic power plants.

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Authors
  1. I. M. Voronin
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  2. V. D. Dmitriev
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  3. Sh. Sh. Ibragimov
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  4. V. S. Lyashenko
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Additional information

The authors wish in conclusion to express their gratitude to E. V. Chermashentsev and A. Ya. Ladygin for their part in the work undertaken.

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Voronin, I.M., Dmitriev, V.D., Ibragimov, S.S. et al. Mechanical properties and microstructure of certain construction materials after neutron irradiation. The Soviet Journal of Atomic Energy 8, 429–433 (1961). https://doi.org/10.1007/BF01483661

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  • DOI: https://doi.org/10.1007/BF01483661

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