 Thursday, October 21, 2021, 09:58, Darwin Ortiz Rosales, TaC, , TARGET BOAT, Done, Coating of Ta caps and Ta springs (10 caps and 2 springs)
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Thursday, October 21, 2021, 10:02
10 TaC coated Ta caps, wrapped in graphite foil. |
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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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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, 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. |
Thursday, September 02, 2021, 07:14, Darwin Ortiz Rosales, TaC, 44691-7, LP-SIS, Done, TaC coating/sintering 
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Thursday, September 02, 2021, 06:36
Ta 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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Thursday, August 05, 2021, 11:18, Darwin Ortiz Rosales, SiC, 44691-2, LP-SIS, Done, Dr blade and non-Dr blade Material Experiment (sintering)
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Thursday, August 05, 2021, 11:10
Total number of foils: 380
Total length packed 13.5 cm |
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Wednesday, July 21, 2021, 16:45, Ferran Boix Pamies, Empty, , TARGET BOAT, Done, parasitic target thermal tests v2, foil measurement.
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2021-07-21 4:44pm Vacumm at 1e-5Torr. Water cooling leak check ok.
2021-07-21 4:54pm ramping up TGHT to 200A 1A/10s.
2021-07-21 5:31pm 200A TGHT, TC 94degC pyro 1100degC. TC very low, ramping down and venting. |
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Wednesday, June 23, 2021, 17:48, Aaron Schmidt, Ta, 44691-4, LP-SIS, In progress, Conditioning Ta#62 (Replacement)
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Ta#62 LP-SIS target description: (REPLACEMENT FOR 44139-10)
Total Ta foils = 470 [6x20 packs + 350 single discs]
Foil Thickness = 0.025mm |
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Friday, June 11, 2021, 08:41, Darwin Ortiz Rosales, Nb, , TARGET BOAT, Done, Nb treatment for Norman
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Friday, June 11, 2021, 08:05
Target boat with a layer of niobium foil on the bottom is used to heat up Nb samples to 1100
C for 4 hrs. |
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Wednesday, April 28, 2021, 11:57, Darwin Ortiz Rosales, SiC, 42218-7, HP-SIS, Done, sintering discs for SiC#41 (or back-up for #40)
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Wednesday, April 28, 2021, 11:54
Total number of foils: 449 (not including analysis discs)
Total length packed 16.7 cm |
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Thursday, April 15, 2021, 18:33, Marla Cervantes, Ta, 44139-6-SK, TARGET BOAT, Done, Carbon penetration on Ta
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Thursday, April 15, 2021, 18:24
Tantalum samples were loaded in a tantalum testing tube and installed in the EVAP2 to heat under vacuum for 3 days at 2000 degC (~500A, 4kW).
The temperature is measured with the Omega pyrometer (slope 0.98) |
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Tuesday, April 13, 2021, 10:44, Marla Cervantes, Empty, NA (Ta- tube Eagle Alloys), , Done, Re-coat 4
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Tuesday, April 13, 2021, 09:51
IGP1 = 2.5e-7 Torr
Tuesday, April 13, 2021, 10:17 |
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Thursday, April 08, 2021, 08:25, Aaron Schmidt, Ta, 44139-10, LP-SIS, In progress, Conditioning Ta#62 & Flex - line HS installed
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Ta#62 LP-SIS target description:
Total Ta foils = 470 [6x20 packs + 350 single discs]
Foil Thickness = 0.025mm |
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Sunday, April 04, 2021, 16:09, Ferran Boix Pamies, Empty, 41882-2, TARGET BOAT, Done, parasitic target commissioning
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2021-04-04 16:07 New container is in with heatshields, vacuum 8.6E-6 torr. leak check done. ramping up current, checking both pyrometer and TC,
1A/10s.
2021-04-04 16:49 200A TGHT 250degC on TC 1130degC on pyrometer. Too low on TC, ramping down and venting to reposition TC in the foil. |
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Tuesday, March 30, 2021, 19:49, Ferran Boix Pamies, Empty, 44139-7-SK , , Done, Parasitic target thermal tests
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2021-03-30 7:48 Target loaded with parasitic target only. No container. Leaving under vacuum over night.
2021-03-31 13:43 Leak check performed. Water on. Need to vent system, electric connection disconnected.
2021-03-31 15:02 First test successfully finished. Venting to introduce container with radiating heating gun. |
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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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Friday, March 26, 2021, 16:23, Marla Cervantes, Empty, 44489-7, , Done, Re-coat 2
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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:
Sunday, March 27, 2021, 11:23 |
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Friday, March 26, 2021, 13:58, Marla Cervantes, Empty, 44489-6, , Done, Re-coat 1
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Friday, March 26, 2021, 13:55
Yesterday a heat shield 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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Thursday, March 25, 2021, 11:24, Marla Cervantes, Empty, NA (Cu-Tube, , Done, Re-coat test 4
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Objective: Coating the inner surface of a short tantalum tube with rhenium.
Result:
The wire snnaped around 376 W (53 A, and 7.09 V) and 2170 °C (measured with filament pyrometer)
The tube is coated
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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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