Abstract
Due to the interesting properties of hafnium diboride (HfB2) as a ceramic, it has drawn considerable attention from several researchers. To understand the radiation properties of HfB2 that may be used in the nuclear industry, the interaction of this composite under neutron irradiation was studied. It is obvious that, because HfB2 has Boron, this composite has the potential to absorb neutrons particularly in the range of thermal energy. The 10B (n, α) 7Li interaction is dominant among other interactions that produce alpha particles. The results revealed that alpha particles have a high fluctuation diagram following a saw-tooth spectrum for thermal neutron energy, which has to be carefully analyzed. If HfB2 is intended to be used in fusion facilities, for example in fusion reactors, its interaction with high neutrons (14 MeV) should be studied. The results of this case showed that, in the wide range of alpha energy, the amount of alpha particles is almost constant, so this continuum spectrum is almost flat and there is just a small peak at 2.31 MeV that belongs to the very famous interaction [10B (n, α) 7Li].
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