Monday, March 12, 2018, 9:13
35 circles from cast#2 of 14 mm diameter were packed into a graphite sample container.
35 x UO2/C circles = 5.21 g
Graphite container = 6.85 g
Graphite tube is placed inside a target boat.
Boat previously coated with TaC and sintered.
Ta-target boat is wrapped with 3 Ta foils for heat shielding and the boat was installed in Evap1.
Chamber currently pumping down.
Monday, March 12, 2018, 13:57
Initial IGP1 = 4.79e-7 Torr
Tapped up entire process manually to 520A in 30 min
TGHT = 520 A, 5.32 V
Vacuum coming down indicating carbonization process complete.
Will remain at max setpoint for 1 hrs to ensure full carbonization before cooling down.
Monday, March 12, 2018, 14:57
Cooling down rate used 3 A/10s.
Tuesday, March 13, 2018, 18:22
Vented with Ar and removed from EVAP1 |