 Wednesday, April 03, 2019, 16:59, Marla Cervantes, TaC, 43630-5, , Done, TaC coating/sintering for graphite insert test
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Wednesday, April 03, 2019, 16:57
Tantalum tube was coated with TaC and wrapped with Ta heat-shield (3 layers)
Desired temp = 1900 C (expected TGHT ~445A/7.5V). |
Sunday, April 07, 2019, 08:13, Marla Cervantes, , 43630-5, , Done, Graphite insert test #5 
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Sunday, April 07, 2019, 08:10
A graphite insert (with conical caps) was loaded in tantalum tube previously coated with TaC,
and wrapped with 3 tantalum foils, |
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Wednesday, April 17, 2019, 09:06, Marla Cervantes, , 38295-10, LP-FEBIAD, Done, Graphite insert test
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Wednesday, April 17, 2019, 09:03
An uncoated target container was loaded with a graphite insert and wrapped with 3 tantalum layers,
Two Ta caps were used |
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Friday, May 10, 2019, 16:58, Marla Cervantes, , 43943-1, , Done, TaC coating/sintering for graphite insert test
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Friday, May 10, 2019, 16:54
A tantalum tube was coated with TaC,and wrapped with three tantalum sheets,
the tube was set in the EVAP2 to sinter the TaC coating. |
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Tuesday, May 21, 2019, 18:01, Marla Cervantes, , 43943-1, , Done, Graphite foil test
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Tuesday, May 21, 2019, 17:57
A tantalum tube previously coated with TaC and sintered was loaded with graphite foils.
The mass of the foils was 20.04 g. |
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Friday, May 24, 2019, 15:29, Marla Cervantes, , 43943-2, , Done, Graphite insert test
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Friday, May 24, 2019, 15:26
A graphite insert with tantalum wires in its caps
was loaded in a tantalum tube, the system will be heated to 2000 C |
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Monday, June 17, 2019, 17:03, Marla Cervantes, , 43943-2, , Done, Graphite insert test
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Thursday, June 6, 2019, 16:43
A graphite insert with tantalum wires in its caps was loaded in a tantalum tube.
The system will be heated to 2000 C again (see |
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Monday, June 17, 2019, 17:09, Marla Cervantes, , 49044-9, LP-SIS, Done, Target container calibration/conditioning
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Monday, June 17, 2019, 17:04
A LP-SIS target container was wrapped with 3 heat shielding layers,
and an empty graphite insert of 17.4 g was introduce in it. |
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Wednesday, July 17, 2019, 11:13, Marla Cervantes, Nb, 40282-4, TARGET BOAT, Done, Annealing of RRR-Nb test samples
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Wednesday, July 17, 2019, 10:57
Annealing of five RRR Nb samples following cold-working and resistance measurements. Used to validate computational annealing model developed
for SRF studies. For more information contact Norman Muller, x6398. |
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Wednesday, August 28, 2019, 05:59, Marla Cervantes, , 44062-2-SK, , Done, Graphite insert test
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Wednesday, August 28, 2019, 06:00
A graphite insert (with conical caps) was loaded in tantalum tube
the Ta tube was wrapped with 3 tantalum foils, |
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Wednesday, September 11, 2019, 15:16, Marla Cervantes, , 44062-4, LP-SIS, Done, TaC coated target container calibration/conditioning
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Wednesday, September 11, 2019, 15:12
A target container coated with TaC elog 455 was loaded with an empty graphite
cartridge and set it in the EVAP2 |
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Friday, September 27, 2019, 18:18, Marla Cervantes, Nb, , TARGET BOAT, Done, Conditioning NB samples for Edward
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Wednesday, September 25, 2019, 18:06
Target boat with a layer of niobium foil on the bottom is used to heat up Nb samples to 1400 C for 4 hrs.
The niobium samples are wrapped in a Nb foil. |
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Monday, March 16, 2020, 13:47, Marla Cervantes, , 40282-5, TARGET BOAT, Done, Conditioning graphite target #1
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Monday, March 16, 2020, 13:47
Target material characteristics: Graphite cast of 0.965g/cm3, 287 D-shaped discs, disc area 0.969cm2, total mass of 9.972g, length
10.657cm. |
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Wednesday, March 18, 2020, 07:21, Marla Cervantes, TaC, 44139-11, LP-SIS, Done, TaC coating/sintering
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Wednesday, March 18, 2020, 07:10
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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Monday, March 23, 2020, 07:50, Marla Cervantes, , 41882-1, TARGET BOAT, Done, Conditioning graphite target #1 (T2)
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Friday, March 20, 2020, 19:39
The target material is loaded in a graphite cartridge.
The graphite cartridge is placed in a new tantalum boat previously without TaC, |
 Wednesday, May 20, 2020, 12:54, Marla Cervantes, , 41882-1, TARGET BOAT, Done, Conditioning graphite target #1 (T2)
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Marla Cervantes wrote:
Friday, March 20, 2020, 19:39 |
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Sunday, May 24, 2020, 13:39, Marla Cervantes, Empty, 44139-11, LP-SIS, Done, TaC coating/sintering
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Sunday, May 24, 2020, 06:54
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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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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Friday, May 29, 2020, 10:26, Marla Cervantes, Empty, 43044-8, LP-SIS, Done, TaC coating/sintering
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Friday, May 29, 2020, 08:52
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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Wednesday, August 12, 2020, 11:57, Marla Cervantes, Empty, 44489-9, TARGET BOAT, Done, Pristine Ta tube calibration
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Short oven loaded with additional hardware are spacers into the flex-line HS.
A Ta short 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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