Thursday, January 19, 2023, 09:57

Cartridge #8 loaded with 198 discs

To be reduced inside a Ta container tube.  Tube wrapped in 3 Ta foil heatshields.

Reduction for 4 hours and then 10 hours @ 425A

Good Vacuum: 5.0e-04 Torr

Bad Vacuum: 5.0e-02 Torr

Initial pressure is 1.41e-06 Torr

Thursday, January 19, 2023, 10:02 Auto ramping to 120A @ 1A/min

Thursday, January 19, 2023, 18:58

Autoramping to  300A @ 4/min (2A/30s)

IGP1=3.34e-06 Torr

Friday, January 20, 2023, 07:37

left at 300 A for 8 hours and pressure dropped.  Restarted autoramp at 2A/30s and pressure was increasing until 425A where it peaked.  Reduced autoramp to 1A/min and observed slow but definite pressure drop.  Will go to 450A and leave there for 4 hours. 

Currently 440A, 5.3V on TGHT and 1.28e-05 Torr on IGP1

Friday, January 20, 2023, 12:06

After 4 hours at 450A IGP1= 3.49e-06 Torr

TGHT = 450A 5.4V

Will drop to 425A and leave for 10 hours

Friday, January 20, 2023, 21:53

TGHT 425A, 5.2V

IGP1= 1.81e-06 Torr

autoramping to 0 A @ -2A/min