Features of Helium and Tritium Release from Li₂TiO₃ Ceramic Pebbles under Neutron Irradiation.

Thermophysical calculations conducted for the lithium metatitanate pebble for irradiation conditions, taking into account the non-uniform distribution of energy release along the pebble radius (due to self-shielding), as well as taking into account vacuum conditions, showed that the observed gradients along the pebble were quite significant; in the area of contact of the sample with the stainless steel capsule bottom they could be up to 80 K/mm ( Figure 6 ).

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