Inorganic Materials: Applied Research

, Volume 8, Issue 2, pp 275–278 | Cite as

Attenuation of photon and neutron radiation using iron–magnetite–serpentinite radiation-protective composite

  • R. N. Yastrebinskii
  • G. G. Bondarenko
  • V. I. Pavlenko
Materials of Power Engineering and RadiationResistant Materials


The attenuation coefficients of photon and neutron beams as they pass through the iron–magnetite–serpentinite cement concrete (IMSCC), which is used for biological protection of nuclear reactors, are calculated. Compton scattering makes the main contribution to attenuation of the beam at γ-photon energies lying in the range of 0.2–11 MeV, while at photon energies higher than 11 MeV the main contribution to attenuation of beam is made by the effect of formation of electron–positron couples. It is shown by assessing the influence of fast neutrons that, despite the low density of hydrogen in the composite under study, the contribution of hydrogen to the attenuation coefficient of the neutron flux is very important. It is connected both with the high hydrogen concentration and the fact that higher kinetic energy is transferred to light atomic nuclei than to heavy ones under neutron irradiation.


magnetite concentrate serpentine concrete photon radiation neutron radiation radiation attenuation coefficient 


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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • R. N. Yastrebinskii
    • 1
  • G. G. Bondarenko
    • 2
  • V. I. Pavlenko
    • 1
  1. 1.Belgorod State Technological UniversityBelgorodRussia
  2. 2.National Research University Higher School of EconomicsMoscowRussia

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