 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 |
 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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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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Friday, October 16, 2020, 16:31, Luca Egoriti, Empty, , TARGET BOAT, In progress, HPOG annealing
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Friday, October 16, 2020, 11:30
Target mounted in EVAP2. Pump down started
Friday, October 16, 2020, 12:05 |
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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. |
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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Wednesday, November 04, 2020, 17:31, Ferran Boix Pamies, Empty, 41882-2, TARGET BOAT, Done, Parasitic target graphite outgassing.
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2020-11-04 17:31: target installed with boat containing graphite container for outgassing. Roughing pump on.
2020-11-04 17:49 turbo on, leaving it pumping over night.
2020-11-05 11:32 leak check ok. Ramping up target to 200A 2A/10s. |
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Thursday, November 05, 2020, 15:13, Ferran Boix Pamies, Empty, 41882-2, TARGET BOAT, Done, cleaning treatment.
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2020-11-05 15:44 empty and naked boat in for heating up system and clean up. Turbo on.
2020-11-06 16:58 IGP1:4e-7T leak check ok. Ramping up target to 500A. 1A/10s.
2020-11-09 12:43 The target was left at 1500degC during the weekend. |
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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, February 01, 2021, 13:57, Darwin Ortiz Rosales, SiC, 40282-4, TARGET BOAT, Done, Sintering of SiC discs for SEM
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Monday, February 01, 2021, 13:52
Ta boat loaded with 20 Disc on either end capped with Ta springs to prevent overexpansion.
discs wrapped Graphite foil and boat wrapped in Ta heat-shields (3 layers). |
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Saturday, February 13, 2021, 08:14, Darwin Ortiz Rosales, SiC, 41992-1, TARGET BOAT, Done, Sintering of SiC discs for SEM
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Saturday, February 13, 2021, 08:10
Ta boat loaded with 80 discs enclosed in graphite foil in pockets of 20. Sample A at both
ends and sample B in the middle spaced out. Boat wrapped in Ta heat-shields (3 layers). |
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Tuesday, March 16, 2021, 08:29, Darwin Ortiz Rosales, TaC, , TARGET BOAT, Done, sintering of TaC on Caps and springs
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Tuesday, March 16, 2021, 08:28
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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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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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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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, 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, 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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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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