Monday, October 26, 2015, 16:16
Container previously sintered with TaC coating and temperature measurements taken with 1x Ta heat shield [see elog ID# 256]
2x Ta heat shields on this container.
Loaded into evap2 and currently pumping down.
Tuesday, October 27, 2015, 10:07
HS water valves opened up this morning, no leaks detected.
Tapped up manually to 35A.
Waited ~10min, vacuum stable
Initiating auto-ramp at 2.0A/min and 1.0A/min for the TGHT and TBHT respectively.
Final setpoints: 300A for the TGHT and 230A for the TBHT
Tuesday, October 27, 2015, 13:54
Reached final setpoints.
IGP1 = 5.3e-7 Torr.
Tapping up manually to 1900C
Tuesday, October 27, 2015, 16:42
Tapped up manually to 1900C
TGHT = 455A, 7.66V
IGP1 = 9e-7 Torr
Will remain at 455A overnight and ramp-down in the morning.
Wednesday, October 28, 2015, 09:32
TGHT remained at 455A for ~17hrs.
IGP1 = 4.3e-7 Torr.
OMEGA = 1888C
See attachment for raw data of temperature measurements.
Initiating auto-cool at 2.0A/min and 1.0A/min for the TGHT and TBHT respectively.
Wednesday, October 28, 2015, 16:32
Vented and took out this afternoon.
Container looks good.
See photos attached.
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