|
Tuesday, September 23, 2014, 14:54
UO2/C green was prepared Sept 18, 2014. The slurry was cast on a piece of glass coated with WD40 on Sept 19, 2014.
The cast was let dry over the weekend and peeled off the glass nicely Sept 22, 2014.
Some materials were stuck on the WC jar wall and balls as always noted.
Initial UO2 powder used = 50.04g (Inventory R-00835A UO2 + bottle = 544.51g before use)
Graphite powder used = 9.98g
Green cast dried UO2/C + organic mass = 59.35g
The green was rolled up and wrapped in a piece of graphite sheet.
The Ta-target boat is wrapped with 3-layers of heat shield and installed in Evap1.
Chamber is currently being pumped down.
Target will be ramped up to 520A at the rate of 0.1A/min
Vacuum limit stop at 5.0e-5 Torr, backing off at 6.0e-5 Torr.
Wednesday, September 24, 2014, 11:27
Chamber pumped down overnight.
IGP1 = 2.3e-6 Torr
Manually stepping TGHT up to 30A
Wednesday, September 24, 2014, 14:00
Vacuum stable.
IGP1 = 1.3e-5 Torr.
Initiating auto-ramp.
|