Monday, November 25, 2019, 11:35, Aaron Schmidt, , , , In progress, Flex - line HS installed
|
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. |
Tuesday, December 03, 2019, 08:24, Aaron Schmidt, , , LP-FEBIAD, In progress, Temperature mapping.
|
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. |
Wednesday, March 04, 2020, 14:33, Aaron Schmidt, , , , Maintenance, PS swap out
|
The TGHT PS was found to be defective.
It was uninstalled w/ Joel S: I2020-02-28-2. |
Monday, March 16, 2020, 13:47, Marla Cervantes, , 40282-5, TARGET BOAT, Done, Conditioning graphite target #1
|
Monday, March 16, 2020, 13:47
Target material characteristics: Graphite cast of 0.965g/cm3, 287 D-shaped discs, disc area 0.969cm2, total mass of 9.972g, length
10.657cm. |
Monday, March 23, 2020, 07:50, Marla Cervantes, , 41882-1, TARGET BOAT, Done, Conditioning graphite target #1 (T2)
|
Friday, March 20, 2020, 19:39
The target material is loaded in a graphite cartridge.
The graphite cartridge is placed in a new tantalum boat previously without TaC, |
Wednesday, May 20, 2020, 07:18, Aaron Schmidt, , , , , Check Evap 2
|
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. |
Wednesday, May 20, 2020, 12:54, Marla Cervantes, , 41882-1, TARGET BOAT, Done, Conditioning graphite target #1 (T2)
|
Marla Cervantes wrote:
Friday, March 20, 2020, 19:39 |
Wednesday, May 27, 2020, 13:04, Marla Cervantes, , 44139-7-SK, , Done, Conditioning graphite target #2
|
Wednesday, May 27, 2020, 10:22
IGP1 = 3.2e-7 Torr
TGHT = 0.186 V, 0.028 A |
Monday, July 13, 2020, 11:03, Aaron Schmidt, , , , , Pump down / leak / vacuum check.
|
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. |
Wednesday, August 05, 2020, 13:38, Aaron Schmidt, , , , , RP Swap on EVAP 2
|
BP1 swapped with RP2 (TS beamline)
U-line installed.
Wednesday, August 05, 2020, 13:37: Roughing. |
Wednesday, August 12, 2020, 08:58, Aaron Schmidt, , , , In progress, Install Flex line HS
|
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. |
Saturday, August 22, 2020, 11:44, Marla Cervantes, , 44489-11, , Done, C-Cartridge test#1
|
Saturday, August 22, 2020, 11:41
A Ta short tube was coated with TaC and sintered, then it was loaded with a c-cartridge
Now is currently under vacuum and it will be heated to 2000 °C during 3 days |
Wednesday, August 26, 2020, 10:27, Marla Cervantes, , 44489-8, , Done, C-Cartridge test #2
|
Wednesday, August 26, 2020, 10:26
A Ta short tube was loaded with a C-cartridge
Currently, the tube is under vacuum and it will be heated to 2000 °C during 3 days. |
Monday, August 31, 2020, 12:57, Marla Cervantes, , 44489-15 , , Done, TaC coating heating test
|
Monday, August 31, 2020, 12:23
A short naked Ta tube (no heat shielding), previously coated with TaC was set under vacuum,
and it will be kept at 2000 °C for 3 days to later identify the TaC's carbon penetration. |
Monday, September 21, 2020, 17:01, Marla Cervantes, , 44139-8-SK, TARGET BOAT, Done, Conditioning graphite target #3
|
Monday, September 21, 2020, 16:50
450 graphite foils coated with graphite slurry were loaded in a tantalum tube, the tantalum tube was wrapped with 3 Ta heat shields and installed
in the EVAP, to measure the temperature, a pack of 4 Ta foils were inserted in each side of the tube. |
Wednesday, October 07, 2020, 12:25, Aaron Schmidt, , , , In progress, IEVAP2:TP1 Swap out.
|
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 |
Tuesday, November 24, 2020, 08:13, Aaron Schmidt, , , , , Flex - line HS installed
|
Monday, November 23, 2020, 17:01: Flex-line HS installed.
Tuesday, November 24, 2020, 08:03: Vacuum @ 9.55e-07T.
Tuesday, November 24, 2020, 08:08: Vacuum Ok |
Tuesday, November 24, 2020, 12:56, Marla Cervantes, , 44139-8-SK , TARGET BOAT, Done, Graphite casting conditioning
|
Tuesday, November 24, 2020, 09:23
A batch of 60 discs of 18 mm diameter were loaded in a tantalum tube. The tantalum tube was wrapped with 3 layers of Ta foil for heat shielding
and mounted in the EVAP2. EVAP2 pumped down overnight and Aaron made a leak test this morning (elog 524). |
Tuesday, February 09, 2021, 06:48, Aaron Schmidt, , NA, , Done, Ta coating test
|
Monday, February 08, 2021, 17:00: Installed brackets w/ Ta wire and a small piece of Re to test voltage drop.
Rough down, TP on. Waterlines open.
Tuesday, February 09, 2021, 06:44: Vacuum @ 8.63e-07T. |
Thursday, February 11, 2021, 10:57, Marla Cervantes, , NA, , Done, Re coating Test 1
|
Thursday, February 10, 2021, 12:00
Objective: Heat a Re wire to evaporate it and deposit a layer of Re on the inner surface of a Ta tube.
A Re wire of 1mm diameter was clamped with Cu brackets in EVAP2, the wire is partially enclosed in a Ta tube. EVAP2 pumping down |
|