and HA10-after 20 3 achieving a burnup of 3x10 captures/cm (after Hollenberg [2]). . 35 2 Volumetric swelling of LiAlO. exposed to = 5 MW/m of neutron wall loading as a function of irradiation time 39 2 Volumetric swelling of Li,0 exposed to 5 MN/m of neutron wall wall loading as a function of irradiation time 42 Blanket pin average steady state temperature as a function of distance from the first wall for a neutron wall loading of = 5 MW/m 2 45 Helium production in LiAlO, breeder pins as a function of distance from the. first wall 47 Average helium production in Be-rods as a function of distance from the first wall 48 Average volumetric swelling of LiAlO, breeder rods exposed to 2 5 MW/m neutron wall loading after 3 years of irradiation 49 2 Volumetric swelling of Be-rods exposed to 5 MW/m neutron wall loading after 1, 2, and 3 years of irradiation 50 TABLES Summary for blanket material properties current status (12/85) ... Estimates for bubble number densities and radii using above model and experimental swelling data for LiAlO. Experimental and analytical swelling results for LiAlO, for 500 i T 1 900°C 3S Experimental sw511ing and helium retention data for Li 0 iv 5. Estimate for bubble number densities and radii using the above model and experimental data for Li-O 6. Experimental and analytical swelling results for Li.O for 500 < T < 900°C 7. Experimental and analytical swelling results for Be irradiated to