Thursday, June 08, 2023, 09:28

Using smaller particle size TaC no ball mill procedure.

Loaded 2 TaC coated end caps and 1 TaC coated springs.

OMEGA Slope 0.99

Will heat to 1850-1900 C and hold for 4 hours

Good Vac = 5.0e-4 Torr

Bad Vac= 5.0 e-02 Torr

 Initial IGP1= 4.07E-06 Torr

Thursday, June 08, 2023, 10:36

ramped @ 2A/min to 100A.  Then after pressure stabilized starting ramp at 4A/min (2A/30s) to 400A

Thursday, June 08, 2023, 12:24

reached 1850 C with Set current = 480 and RD current = 470.6A, V = 7.7

Will leave for 4 hours.

Thursday, June 08, 2023, 15:31

ramping down at -2A/min (-1A/30s)