 Tuesday, September 17, 2019, 13:25, Aaron Schmidt, , , LP-SIS, Problems resolved, Turbo pump / roughing troubleshoot.
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Swapped out VCRs on HS to tray connection. (Right one felt slightly off)
Tuesday, September 17, 2019, 13:23: roughing.
Tuesday, September 17, 2019, 13:32: Turbo pump on. |
Friday, September 27, 2019, 18:18, Marla Cervantes, Nb, , TARGET BOAT, Done, Conditioning NB samples for Edward 
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Wednesday, September 25, 2019, 18:06
Target boat with a layer of niobium foil on the bottom is used to heat up Nb samples to 1400 C for 4 hrs.
The niobium samples are wrapped in a Nb foil. |
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Monday, October 07, 2019, 09:18, Darwin Ortiz Rosales, TaC, , TARGET BOAT, In progress, Sintering TaC coating on endcaps and springs
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Friday, October 04, 2019, 11:37
Each endcap is separated with a disc of graphite foil and rolled into packs of 5 within a foil
envelope in a target boat. |
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Tuesday, October 08, 2019, 14:16, Aaron Schmidt, SiC, , HP-FEBIAD, In progress, Temp measurements.
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Tuesday, October 08, 2019, 14:14: Remove Flex line HS.
HS: 42752-1
Waterlines not open yet. |
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Friday, November 15, 2019, 13:26, Aaron Schmidt, SiC, , HP-FEBIAD, Problems resolved, Temp map testing - 1. (Leak issue)
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HS 42752-5 - Setup for Temperature mapping.
Friday, November 15, 2019, 13:26: Roughing.
Friday, November 15, 2019, 13:36: Turbo pump on. |
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Thursday, November 21, 2019, 08:10, Aaron Schmidt, SiC, , HP-FEBIAD, In progress, Temperature mapping.
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Thursday, November 21, 2019, 08:09: PS on. Leak issue resolved (Evap 2 Elog 466). Vacuum @ 4.10e-07T.
Thursday, November 21, 2019, 08:15: Auto-ramping TGHT / TBHT @ 2 A per min to 300 / 150 A. |
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Friday, November 22, 2019, 18:32, Fernando Maldonado & Marla Cervantes , TaC, , HP-FEBIAD, In progress, TaC coating/sintering
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Friday, November 22, 2019, 18:18:
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Monday, November 25, 2019, 11:35, Aaron Schmidt, , , , In progress, Flex - line HS installed
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Leak noted on previous TaC sintering on HP FEBIAD # 42464-3.
Swapped out gaskets on HS flex line a re-tightened.
Monday, November 25, 2019, 11:31: Roughing. |
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Tuesday, December 03, 2019, 08:24, Aaron Schmidt, , , LP-FEBIAD, In progress, Temperature mapping.
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Tuesday, December 03, 2019, 08:15: Waterlines opened. Vacuum ok @ 4.06e-07T
Tuesday, December 03, 2019, 08:23: Unable to start due to flow trip? PS off.
Tuesday, December 03, 2019, 08:25: Turbo & Vac off. |
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Wednesday, March 04, 2020, 14:33, Aaron Schmidt, , , , Maintenance, PS swap out
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The TGHT PS was found to be defective.
It was uninstalled w/ Joel S: I2020-02-28-2. |
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Wednesday, May 20, 2020, 07:18, Aaron Schmidt, , , , , Check Evap 2
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Gradually open waterlines under vacuum after period of no use.
Wednesday, May 20, 2020, 07:17: Vacuum @ 1.13e-06T
Wednesday, May 20, 2020, 07:19: Hot lab cooling water return opened. Vacuum @ 1.13e-06T. |
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Monday, July 13, 2020, 11:03, Aaron Schmidt, , , , , Pump down / leak / vacuum check.
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Darwin reported that he was unable to achieve vacuum of 150mTorr. The flex-line HS had been removed last week for modifications. SS gaskets received
today. Replaced HS gaskets (Cu).
Monday, July 13, 2020, 11:00: Roughing. |
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Wednesday, August 05, 2020, 13:38, Aaron Schmidt, , , , , RP Swap on EVAP 2
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BP1 swapped with RP2 (TS beamline)
U-line installed.
Wednesday, August 05, 2020, 13:37: Roughing. |
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Wednesday, August 12, 2020, 08:58, Aaron Schmidt, , , , In progress, Install Flex line HS
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Flex line HS installed. New SS gaskets.
Wednesday, August 12, 2020, 08:56: Roughing (Check).
Wednesday, August 12, 2020, 09:17: Ready for turbo pump. |
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Saturday, September 05, 2020, 21:33, Marla Cervantes, Empty, , , Done, Pristine Ta tube calibration
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Saturday, September 05, 2020, 12:56
A Ta tube was wrapped with 3 tantalum foils,
a tantalum cap was inserted in both sides of the Ta tube, the caps weren't sealed. |
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Thursday, September 24, 2020, 13:37, Aaron Schmidt, Nb, , TARGET BOAT, , Nb Test SRF group
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Sample loaded into a vertical target boat. Flex line HS removed, SS waterline HS installed -AS.
Thursday, September 24, 2020, 13:22: Roughing.
Thursday, September 24, 2020, 13:54: Turbo pump on. |
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Friday, September 25, 2020, 10:32, Darwin Ortiz Rosales, Nb, , TARGET BOAT, Done, Heat Treatment of Nb for Edward
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Friday, September 25, 2020, 10:30
Target boat with a layer of niobium foil on the bottom is used to heat up Nb samples to 1400
C for 4 hrs. |
 Monday, September 28, 2020, 09:36, John Wong, Nb, , TARGET BOAT, Done, Heat Treatment of Nb for Edward
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Darwin Ortiz Rosales wrote:
Friday, September 25, 2020, 10:30 |
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Monday, September 28, 2020, 11:53, John Wong, np-SiC, , TARGET BOAT, In progress, np-SiC carbonization
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Monday, September 28, 2020, 11:49
6 discs of np-SiC were loaded to the target boat wrapped with 3 layers of heat shields.
Desired temperature at 1500 C, (As per e-log 414/416, TGHT = 450A/7.31V, 3.28kW) |
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Wednesday, October 07, 2020, 12:25, Aaron Schmidt, , , , In progress, IEVAP2:TP1 Swap out.
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Wednesday, October 07, 2020
TP1 was not spinning up past 4krpm. Stalling & tripping out. Examined with Vacuum group, appears to be starting to seize. Exchange turbo pump.
Serial# 500937 |
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