Abstract
A model for description of the thermodesorption spectra is proposed and used to determine the energy parameters of the centers of helium accumulation in neutron-irradiated boron carbide. It is shown that helium accumulation centers broken at 100–150°C are characterized by a breakage activation energy of 0.23 eV. These centers probably represent clusters or complexes of interstitial helium atoms. The helium accumulation centers broken at 800–1000°C have a breakage activation energy of 0.65–0.75 eV and probably represent helium-vacancy complexes (pores).
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