Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
  Evaporator_1, Page 6 of 15  Not logged in ELOG logo
Entry  Wednesday, June 13, 2018, 10:20, Marla Cervantes, UO2/C, 40282-1, TARGET BOAT, In progress, Carbonizing UO2/C discs for 1stepUCx in graphite sample container #14 
 Tuesday, June 12, 2018, 18:20
35 circles of 14 mm diameter of cast #4 were packed into a graphite sample container.
30 x UO2/C circles = 4.07 g
Entry  Friday, August 03, 2018, 17:49, John Wong, UC2, , LP-SIS, In progress, Conditioning UCx#24 
Friday, August 03, 2018, 17:44
Target consists of 230 UCx discs, total packing length of 7.1cm. 
Container was previously coated/sintered with TaC (see elog #415) in Evap#2 with TGHT set to 450A/7.5V and TBHT 230A/4.2
Entry  Tuesday, September 04, 2018, 10:18, Marla Cervantes, UC2, 41369-2, , In progress, UCx Fully loaded graphite insert thermal test - FL#1.2 180904-UCxFL1-T2-2.png
 Monday, September 03, 2018, 10:17
Graphite insert fully loaded with UCx was loaded into previously TaC coated target container.
No end caps on Ta target container.
Entry  Saturday, September 29, 2018, 19:04, John Wong, UO2/C, , TARGET BOAT, In progress, Processing UC2_flk_22 striptool_capture.JPGTGHT_tripped.JPGpressure_limiting.JPG
Saturday, September 29, 2018, 18:52
Cast is from Jar#1.  (see process sheet for details)
Target boat contains about 50g UO2 powder. 
Entry  Thursday, October 11, 2018, 18:13, John Wong, UC2, , LP-SIS, In progress, Conditioning UCx#25 UC#25_conditioning.JPGUC#25_conditioning-450A.JPG
Thursday, October 11, 2018, 18:06
Target consists of 284 UCx discs, total packing length of 8.0 cm. 
Container was previously coated/sintered with TaC (see elog #417) in Evap#2 with TGHT set to 400A and TBHT 230A, but there was a problem with the
Entry  Tuesday, October 30, 2018, 10:17, Marla Cervantes, UC2, 43044-7 , LP-SIS, In progress, UCx Fully loaded graphite insert thermal test - FL#1 Heat_test.JPG
 Tuesday, October 30, 2018, 10:12
A new LP-SIS was coated and syntered (e-log 420 Evaporator_2) 
The container was loaded with a graphite insert loaded with UCx
Entry  Thursday, March 21, 2019, 09:03, Aaron Schmidt, , , , In progress, Evap 1 pump down issue 
On Tuesday it was noted that evaporator 1 was not pumping down properly. It was vented and the seal & seal face wiped with a cloth. The initial pump
down rate was faster, however after 48 hrs, it has still not pumped down to appropriate levels. 
Thursday, March 21, 2019, 08:59: IV1 closed & TP1 off. 
Entry  Monday, October 28, 2019, 11:23, Marla Cervantes, UO2/C, , TARGET BOAT, In progress, UCx#30 Carbothermal Reduction UCx30-CarbothramlReduction.JPGUCx30-CurrentDrop.JPG
Monday, October 28, 2019, 10:29
A loaded graphite cartridge was set in a tantalum boated and wrapped with 3 tantalum sheets
The set up was installed in the EVAP1 and pumped dwon during the weekend.
Entry  Thursday, January 30, 2020, 09:37, Marla Cervantes, UO2/C, P2N-02, , In progress, P2N target material carbothermal reduction 
Wednesday, January 29 2020, 05:55  
A P2N container  with heat shields, and with a UO2/C loaded graphite container was
installed in the EVAP1
Entry  Saturday, June 05, 2021, 09:14, Marla Cervantes, UC2, , TARGET BOAT, In progress, UCx#33 Conditioning 
 Saturday, June 05, 2021, 08:57
Target #33 was installed in the EVAP1 and pumped down yesterday (Friday 4).
Target #33 is going to be conditioned on a Ta boat wrapped with 3 Ta foils.
Entry  Friday, September 24, 2021, 15:40, Luca Egoriti, Ta, , LP-SIS, In progress, Full target release test 1 
 Friday, September 24, 2021, 15:38
Full target loaded with ~500 non-active foils plus 4 active foils.  
Initial pressure when heating: 6.6E-5 T 
Entry  Friday, November 05, 2021, 13:38, Luca Egoriti, Ta, , LP-SIS, In progress, Full target release test 2 Ta-ReleaseTest-2_low-current.JPG
 Friday, November 05, 2021, 13:23
Full target loaded with ~500 non-active foils plus 4 active foils.  
Initial pressure when heating: 1.6E-5 T 
Entry  Wednesday, November 24, 2021, 10:38, Luca Egoriti, Ta, , , In progress, IPF release tests 
Wednesday, November 24, 2021, 10:38
A first, short "FullTa1" target was loaded into the evap1. It consists of a short container (10 cm) with lateral thickness of ~0.2mm.
The ends of the target connect with the TGHT terminals through two copper adapters.
Entry  Tuesday, January 21, 2025, 07:00, Darwin Ortiz Rosales, UO2/C, conditioning oven#3, LP TUBE, In progress, UCx250120 reduction 
Tuesday, January 21, 2025, 06:58
Cartridge #24loaded with 234 discs including 3 analysis discs
To be reduced inside a Ta container tube.  Tube wrapped in 3 Ta foil heatshields.
    Reply  Monday, March 28, 2011, 11:20, , , , HP-FEBIAD, Done, Diffusion Bonding of Ta Fins for FEBIAD HP-A (w.o#38481-4) 


    
        
            John
Wong wrote:
        
        
            
            
            
Entry  Monday, March 28, 2011, 12:29, John Wong, Empty, 38481-8, HP-FEBIAD, Done, Fins diffusion bonding  grab.Kxr912.pnggrab.L10194.png
March 28, 2011
12:28:  Target oven is wrapped with 3 Ta-heat shields.  Pumping down evaporator
March 29,
Entry  Tuesday, March 29, 2011, 10:30, , , , , Done, Loss of cooling water update 
It's the NON-ACTIVE water that will go off.  The evaporator is on sity water, so it will be OK.
Entry  Tuesday, April 05, 2011, 10:37, John Wong, Empty, 38481-6, HP-FEBIAD, Done, Fins diffusion bonding  pumping_down.jpgheatingup.jpgcooling_down.jpg
Tue Apr  5 10:36:53 2011:  Target oven is wrapped with 3 Ta-heat shields.  The evaporator is in the process of pumping down. 
Tue Apr  5 14:54:00 2011:  Evap has been pumped down for over 4 hours.  Vac is currently at 5.5e-6 Torr. (See Attachment#1)
Tue Apr  5 15:16:31 2011: TGHT is turned on.  Set  @ 20A/0.102V; panel reads 18A.  Vac @ 4.62e-6 Torr. 
Entry  Wednesday, April 06, 2011, 17:07, John Wong, Empty, 37978-1, HP-FEBIAD, Done, Fins diffusion bonding  pumping_down.jpgAutoheating_parameter_setup.jpgcooling_down.jpg
Wed Apr  6 17:06:56 2011: Target oven is wrapped with 3 Ta-heat shields.  Pumping down evaporator in progress.
Thu Apr  7 09:32:36 2011: Evaporator has been pumped down for over 16 hrs, vac @ 1.74e-6 Torr (see attachment#1).   Target heater
is turned on and about to ramp up.
Entry  Friday, April 08, 2011, 14:55, John Wong, Empty, 38295-8, HP-FEBIAD, Done, Fins diffusion bonding  pumping_down.jpgAutoheating_parameter_setup.jpgcooling_down.jpg
Fri Apr  8 14:51:37 2011:  Target is wrapped with 3 Ta-heat shields.  The evaporator has been pumped down for over 4 hrs, currently vac @ 2.8e-6
Torr.  (See attachment #1, note: the drops in the IG1 reading were due to Controls group helping to fix the alarm handler notifications
for the pagers.)
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