 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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Wednesday, August 26, 2020, 10:27, Marla Cervantes, , 44489-8, , Done, C-Cartridge test #2
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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. |
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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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Monday, August 31, 2020, 12:57, Marla Cervantes, , 44489-15 , , Done, TaC coating heating test
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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. |
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Saturday, September 05, 2020, 21:33, Marla Cervantes, Empty, , , Done, Pristine Ta tube calibration
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Saturday, September 05, 2020, 12:56
A Ta tube was wrapped with 3 tantalum foils,
a tantalum cap was inserted in both sides of the Ta tube, the caps weren't sealed. |
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Wednesday, October 07, 2020, 12:25, Aaron Schmidt, , , , In progress, IEVAP2:TP1 Swap out.
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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 |
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Tuesday, November 24, 2020, 08:13, Aaron Schmidt, , , , , Flex - line HS installed
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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 |
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Tuesday, February 09, 2021, 06:48, Aaron Schmidt, , NA, , Done, Ta coating test
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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. |
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Thursday, February 11, 2021, 10:57, Marla Cervantes, , NA, , Done, Re coating Test 1
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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 |
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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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Friday, February 26, 2021, 09:28, Ferran Boix Pamies, Empty, none, , Done, Parasitic target thermal tests
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Tests were performed with external power supply. No target boat or container.
Small power on heating small heating elements on parasitic target attached on isac heatshield with water cooling on.
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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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Tuesday, March 23, 2021, 11:28, Marla Cervantes, Empty, 44489-6, , Done, Re-coating test 3
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Objective: Coating the inner surface of a short tantalum boat with rhenium.
Result:
The wire snnaped around 376 W (53 A, and 7.09 V) and 2170 °C (measured with filament pyrometer)
The tube does not |
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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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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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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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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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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 |
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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