 Tuesday, August 18, 2020, 09:26, Marla Cervantes, TaC, 44489-15, TARGET BOAT, Done, TaC coating/sintering
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Tuesday, August 18, 2020, 09:06
A short tantalum tube was coated with TaC and wrapped with 3 layers of Ta,
a Ta foil was attached to the end of the tube to be able to measure the temperature during heating |
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Sunday, August 30, 2020, 18:28, Marla Cervantes, Empty, 44489-13, , Done, TaC coating/sintering
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Sunday, August 30, 2020, 06:47
A short tantalum tube was coated with TaC and wrapped with 3 layers of Ta,
a Ta cap was inserted to the end of the tube to be able to measure the temperature during heating |
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Tuesday, August 18, 2020, 10:41, Marla Cervantes, TaC, 44489-11, , Done, TaC coating/sintering
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Thursday, August 19, 2020, 17:28
A short tantalum tube was coated with TaC and wrapped with 3 layers of Ta,
a Ta foil was attached to the end of the tube to be able to measure the temperature during heating |
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Saturday, August 22, 2020, 11:44, Marla Cervantes, , 44489-11, , Done, C-Cartridge test#1
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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 |
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Thursday, September 17, 2020, 16:11, Marla Cervantes, Empty, 44139-9, LP-SIS, Done, TaC coating/sintering
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Thursday, September 17, 2020, 16:10
An LP-SIS was wrapped with 3 Ta layers, and installed in the EVAP2
Desired temperature= 1900 C, Omega Slope = 0.990 |
Tuesday, November 24, 2020, 12:56, Marla Cervantes, , 44139-8-SK , TARGET BOAT, Done, Graphite casting conditioning 
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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). |
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Monday, September 21, 2020, 17:01, Marla Cervantes, , 44139-8-SK, TARGET BOAT, Done, Conditioning graphite target #3
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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. |
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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, 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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Wednesday, May 27, 2020, 13:04, Marla Cervantes, , 44139-7-SK, , Done, Conditioning graphite target #2
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Wednesday, May 27, 2020, 10:22
IGP1 = 3.2e-7 Torr
TGHT = 0.186 V, 0.028 A |
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Saturday, July 25, 2020, 08:58, Darwin Ortiz Rosales, ZrC, 44139-7-SK, , In progress, ZrC for Luca's experiments
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Friday, July 24, 2020, 15:00
Ta tube cotaining 497 ZrC discs wrapped with Ta heat-shields (3 layers)
Desired temperature= 1800C (expected TGHT 410 A), TBHT will be set fixed at 230A (max). |
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Friday, October 09, 2020, 09:50, Ferran Boix Pamies, Empty, 44139-7-SK, TARGET BOAT, Done, Tests, radiation gun for parasitic target
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2020-10-09 9:48 The target was installed the day before and left pumping over night. IGP1=4.7e-7Torr. leak check when water on, ok. Setting ramp
up
2020-10-09 10:16 Ramping up the target to 50A, 1.5A/30s. All good. Going to 200A same rate. |
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Tuesday, October 13, 2020, 11:15, Ferran Boix Pamies, Empty, 44139-7-SK, TARGET BOAT, Done, foil heating
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2020-10-13 11:13 Target was left under vacuum over the weekend. IGP1: 1.6e-7T water on- leak check ok. Ramping up 2A/30s to 100A.
2020-10-13 11:47 All ok at 100A. Ramping up, 1A/10s to 200A.
2020-10-13 12:08 All ok at 200A. Temp tc on foil 200degC. Ramping up, 1A/10s to 300A. |
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Thursday, October 15, 2020, 18:51, Ferran Boix Pamies, Empty, 44139-7-SK, TARGET BOAT, Done, heat gun plus parasitic target thermal comissioning.
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2020-10-15 18:51 : Setup installed during the day. Pumped down to IGP1:1.5e-5T , water leak check ok. Ramping up to 100A.
2020-10-15 19:30 : A heating element was showing bad signs and failed very early. ramping down and venting. |
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Tuesday, October 27, 2020, 10:25, Ferran Boix Pamies, Empty, 44139-7-SK, TARGET BOAT, Done, parasitic target commissioning
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2020-10-27 10:24 setup introduced yesterday. Pumping over night IGP1: 5.7e-7T. Water leak check ok. Performing heating elements check.
2020-10-27 10:43 Heating elements check show low cooling. Ramping up target 1A/15s to 200A.
2020-10-27 11:54 all ok 200A, thermocouples show room temperature on cartridge and heat shield. Ramping up target 2A/10s to 300A. |
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Monday, November 02, 2020, 18:32, Ferran Boix Pamies, Empty, 44139-7-SK, TARGET BOAT, Done, HEA heat treatment
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2020-11-02 6:32: roughing on
2020-11-02 7:21: Turbo on for a while, IGP1:1.8e-5T . water leak check ok.
2020-11-02 7:47: IGP1:1e-5T . Ramping up target heater to 200A, 1A/10s. |
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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) |
 Thursday, August 08, 2024, 11:17, Marla Cervantes, C, 44139-5 SK, LP TUBE, Done, Graphite foils conditioning
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Aaron Schmidt wrote:
Wednesday, August 07, 2024, 15:36: Roughing. Had initially been roughed & TP started w/ Marla CS, |
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Wednesday, August 14, 2024, 07:23, Marla Cervantes, C, 44139-5 SK, LP TUBE, Problems, EVAP2 Calibration - Vanadium
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Tuesday, August 13, 2024, 17:20 Pressure kept increasing when turning the turbo pump on
Tuesday, August 13, 2024, 18:00 Pressure stayed constant when turning the turbo pump on |
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Wednesday, August 14, 2024, 16:22, Marla Cervantes, C, 44139-5 SK, LP TUBE, Problems resolved, EVAP2 Calibration - Vanadium
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Marla Cervantes wrote:
Tuesday, August 13, 2024, 17:20 Pressure kept increasing when turning the turbo pump on |
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