Tuesday, January 31, 2017, 13:43
Container coated with TaC using new method: Ends taped off, with liquid poured in and swirled around entire container, then poured back out - 'flushing technique'
Container is wrapped with 3 x Ta heat shields, not incl center block.
Loaded into EVAP2 and currently pumping down.
Tuesday, January 31, 2017, 16:02
IGP1 = 3.9e-6 Torr.
HS water valves opened.
No leaks detected.
Tapped up manually to 35A.
Vacuum stable.
Initiated auto ramp at 0.2A/min and 0.1A/min for the TGHT and TBHT respectively.
Final setpoints for TGHT = 450A and TBHT = 230A, with final desired temp of 1900C
OMEGA slope = 0.98
Wednesday, February 01, 2017, 10:01
IGP1 = 5.7e-7 Torr.
TGHT = 254A, 3.0V
TBHT = 142A, 1.8V
Increasing ramping rate to 2.0A/min and 1.0A/min for the TGHT and TBHT respectively.
Wednesday, February 01, 2017, 11:48
IGP1 = 1.7e-6 Torr.
TGHT = 450A, 6.27V
TBHT = 230A, 3.14V
OMEGA = 1176C
Increasing max setpoint of TGHT = 600A
Wednesday, February 01, 2017, 13:09
IGP1 = 3.7e-6 Torr.
TGHT = 600A, 9.0V
TBHT = 230A, 3.18V
OMEGA = 1480C
Increasing max setpoint of TGHT = 700A
Wednesday, February 01, 2017, 14:08
IGP1 = 3.8e-6 Torr.
TGHT = 700A, 10.96V
TBHT = 230A, 3.2V
OMEGA = 1705C
Increasing max setpoint of TGHT = 750A
Wednesday, February 01, 2017, 15:02
IGP1 = 5.1e-6 Torr.
TGHT = 750A, 11.87V
TBHT = 230A, 3.2V
OMEGA = 1808C
Increasing max setpoint of TGHT = 800A
Wednesday, February 01, 2017, 15:30
IGP1 = 6.6e-6 Torr.
TGHT = 800A, 12.86V
TBHT = 230A, 3.2V
OMEGA = 1903C
Will remain at max setpoints overnight.
Thursday, February 02, 2017, 09:16
Remained at max setpoints for ~18hrs.
IGP1 = 9.5e-7 Torr.
OMEGA =1914C
TGHT = 800A, 12.83V
TBHT = 230A, 3.22V
Initiating auto-cool at 2.0A/min and 1.0A/min for the TGHT and TBHT respectively.
Friday, February 03, 2017, 14:24
Vented in air and opened up this morning
Coating looks good.
See photos attached.
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