Wednesday, February 11, 2015, 16:10
Container loaded into EVAP2.
3xTa heat shields.
Chamber currently being pumped down.
TGHT/ TBHT will be ramped up to 580A/ 230A or 1800C tapped up manually.
Thursday, February 12, 2015, 09:39
HS water valves opened, no leaks detected.
Tapping up manually.
Thursday, February 12, 2015, 12:07
OMEGA reached 1805C; TGHT = 415A, TBHT = 205A
Will continue to tap up manually to 2000C
Thursday, February 12, 2015, 15:19
Reached TGHT = 500A, TBHT = 230A, OMEGA = 2035C.
Sat for ~2hrs.
Tapping up a further 25A on the TGHT.
Thursday, February 12, 2015, 16:05
Tapped up manually to:
OMEGA = 2250C
DV = 5.65V
TGHT = 580A
TBHT = 230A
Friday, February 13, 2015, 10:05
Reached max setpoint last night.
Voltage starting to increase at contant TGHT @ 580A. Lower TGHT to 525A, temp at 2150C (time 6:30pm)
Initiating manual cool down.
Friday, February 13, 2015, 15:31
vented and opened up this afternoon.
everything looked good, container not broken! graphite insert looked good! the container was slightly bent, but nothing of significance.
however, the graphite insert bonded to the container so it was not taken out in one piece... |