Thursday, June 26, 2025, 14:24

A boat wrapped in 4 Ta heatshields + Ta pouch

Sintering S1.3s (x2), bare Ta (0.3s)

Vacuum IGP1 initial = ~1.40 e-06

Target temperature on OMEGA= 1900 C

OMEGA slope:= 0.990

Target time at max temperature = 4 hours

Final TGHT current= ~450A (adjustable)

 1A/min  to =450 A TGHT

Good vacuum = 5.0 e-04 Torr

Bad vacuum = 5.0E-02 Torr

Friday, June 27, 2025, 06:12

Started ramp @1A/min

Friday, June 27, 2025, 10:14

Inc ramp to @2A/min. First outgas occurred around ~7:30AM

Friday, June 27, 2025, 12:05

OMEGA reads 1855C at 441A. Increasing final value to 460A.  

Friday, June 27, 2025, 12:15

OMEGA reads 1881C at 451A. Increasing final value to 465A.  

Friday, June 27, 2025, 12:17

 Manually increased current until OMEGA read 1900C, current 459A

Hold for 4hr
 

Friday, June 27, 2025, 16:15

Ramp down -2A/min