 Tuesday, February 23, 2021, 08:59, Marla Cervantes, , NA (Cu-tube), , Done, Re coating Test 2
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Tuesday, February 23, 2021, 08:49
Yesterday a heat shield was washed and when dry it was installed in the EVAP2,
A 1mm thick rhenium wire was held within two copper brackets to pass through a Cu tube with the intention of coating its inside face |
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Monday, March 01, 2021, 13:58, Aaron Schmidt, , , , , Flex - line HS installed
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Flex-Line HS had been fully scrubbed out earlier. All gaskets replaced.
Empty. Quick check for leaks.
Monday, March 01, 2021, 13:57: Roughing. |
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Tuesday, March 23, 2021, 08:07, Aaron Schmidt, , , , , Re - Ta test. Leak check.
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Modified HS installed with new brackets as per Marla.
Tuesday, March 23, 2021, 08:02: Vacuum @ 3.64e-07T. Waterlines opened.
Tuesday, March 23, 2021, 08:06: Vacuum @ 3.60e-07T. Stable. |
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Thursday, March 25, 2021, 07:57, Aaron Schmidt, , , , , Re - Ta test. Leak check.
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Thursday, March 25, 2021, 07:55: Vacuum @ 5.12e-07T. Waterlines opened.
Thursday, March 25, 2021, 07:55: Vacuum @ 5.09e-07T. Stable.
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Sunday, March 28, 2021, 11:24, Marla Cervantes, , NA (Ta-tube), , Done, Re-coat 3
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Objective: Coating the inner surface of a tantalum tube to make a destructive test and use a reference for the tantalum boats coatings
Results: The tube was coated
Sunday, March 28, 2021, 11:23 |
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Wednesday, September 08, 2021, 12:43, Darwin Ortiz Rosales, , 44139-8-SK, TARGET BOAT, Done, C Conditioning
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Wednesday, September 08, 2021, 12:36
297 C discs were loaded onto a Ta tube wrapped in 3 Ta heatshields. (10 of which are analysis
discs). They should be the first to be pushed out as they were loaded last. |
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Tuesday, September 14, 2021, 09:33, Darwin Ortiz Rosales, , 42218-5, LP-IG-LIS, Done, TaC coating/sintering
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Tuesday, September 14, 2021, 09:32
Ta IGLIS tube was coated with TaC and wrapped with Ta heat-shields (3 layers)
Desired temperature = 1900 C (expected TGHT ~430 A), TBHT will be set fixed at 230A (max). |
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Wednesday, October 13, 2021, 08:35, Aaron Schmidt, , , , Problems, Troubleshoot - Pump down issues.
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Swapped out the Cu gaskets for SS gaskets in the HS top lines. (x2)
Wednesday, October 13, 2021, 08:35: Roughing.
Wednesday, October 13, 2021, 08:50: Turbo pump on. TP Current 6.06-6.10A. |
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Thursday, November 25, 2021, 14:00, Aaron Schmidt, , , , , Lower insulator replaced
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The Helicoil had mostly pulled out of the old one.
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Tuesday, April 12, 2022, 13:41, Aaron Schmidt, , , , Maintenance, New Flex - line HS installed
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Old HS sprang a leak in the copper tubing.
HS#44378-15
Tuesday, April 12, 2022, 13:35: Roughing. |
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Tuesday, May 10, 2022, 14:43, Aaron Schmidt, , , , Maintenance, Active TP removed / Swap / Slow start TP
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Tuesday, May 10, 2022, 14:42: TV551 Varian. SN: 202311 (Slightly active from BL1A
- will not cross contaminate. Field only - Tagged) was removed as it was meant to be a temporary fix. Replacement (Refurbished) pump is to be installed.
(Tomorrow - Use slow start function as per vacuum group) |
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Wednesday, June 08, 2022, 10:00, Flora Wu, , boat, , Done, carbonize PAN 10% discs
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Thursday, June 09, 2022, 11:25
Total number of foils: 14 electrospun fiber pellets
Total weight = 208.3 g |
 Thursday, June 09, 2022, 19:20, John Wong, , boat, , Done, carbonize PAN 10% discs 
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Flora Wu wrote:
Thursday, June 09, 2022, 11:25 |
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Wednesday, September 14, 2022, 11:48, Darwin Ortiz Rosales, , , TARGET BOAT, Done, Grahite disc conditioning 220907G
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Wednesday, September 14, 2022, 9:30
A Ta container tube was wrapped with 3 Ta heatshields.
322 graphite discs were loaded. |
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Thursday, September 29, 2022, 10:02, Darwin Ortiz Rosales, , 44139-3, TARGET BOAT, Done, 220926-Graphite conditioning in target tube
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Thursday, September 29, 2022, 09:57
A Ta container tube was wrapped with 3 Ta heatshields.
338 graphite discs were loaded. |
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Friday, December 02, 2022, 09:50, Darwin Ortiz Rosales, , 45220-12, TARGET BOAT, Done, Grahite disc conditioning 221130-Graphite
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Friday, December 02, 2022, 09:46
297 graphite discs packed into a Ta tube wrapped in four heatshields.
Good vacuum 5.0e-04 Torr |
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Wednesday, May 24, 2023, 15:23, Darwin Ortiz Rosales, , 44139-4, LP TUBE, Done, Graphite inside insert Experiment 1
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Wednesday, May 24, 2023, 15:22
A Ta container tube was wrapped with 4 Ta heatshields. Note final container is 45220-11 |
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Monday, June 05, 2023, 14:52, Aaron Schmidt, , , , , Swapped turbo pumps.
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Previous TP would only spin up to 4KRPM. New TP installed.
Monday, June 05, 2023, 14:50: Roughing.
Monday, June 05, 2023, 15:10: Controller reset. TP on. |
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Wednesday, August 07, 2024, 15:37, Aaron Schmidt, , , , , Turning on EVAP2's turbo pump
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Wednesday, August 07, 2024, 15:36: Roughing. Had initially been roughed & TP started w/ Marla CS, however it timed out. Restarting.
Wednesday, August 07, 2024, 15:37: TP on.
Wednesday, August 07, 2024, 15:46: Tripped at 4 KRPM. Restarted. Up to 5 KRPM. |
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