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_2, Page 31 of 35  Not logged in ELOG logo
Entry  Monday, August 21, 2017, 17:32, John Wong, SiC, , TARGET BOAT, Done, Carbonization of sol-gel SiO2+CNT 
Monday, August 21, 2017, 17:09
Two pellets of sol-gel SiO2+CNT were produced.  See lab book pg 44-46 for details. 
Samples were loaded in Ta boat, wrapped with heat shield (1 layer)
Entry  Tuesday, September 12, 2017, 13:08, Aaron Schmidt, , , , , Window shutter added 
 Tuesday, September 12, 2017, 12:00:
The coated back window was changed to a shuttered window.
On star-point flange bolt interfered with the shutter, however it was removed, shortened, and re-installed.
Entry  Wednesday, September 27, 2017, 18:06, John Wong, np-SiC, , TARGET BOAT, Done, NS-npSiC & B3 pellets heat treatments Capture.JPG
Wednesday, September 27, 2017, 18:05
 3 samples from NS-npSiC pellets, pressured at 10T  (see lab book pg 53)
3 samples from B3 pellets, 600MPa (see lab book pg 50)
Entry  Wednesday, October 04, 2017, 16:40, John Wong, np-SiC, , TARGET BOAT, Done, Thermal treatment cast-pellet npSiC/PAN - det. sintering effect 1550C.JPG
Wednesday, October 04, 2017, 16:37
3 samples of npSiC/PAN cast-pellets, see lab book p. 57 for details.
Desired temperature 1550C, expected TGHT ~450A.
Entry  Monday, November 06, 2017, 18:25, John Wong, np-SiC, , TARGET BOAT, Done, Thermal treatment npSiC Horn vs Probe samples - P74 Capture1.JPG
Monday, November 06, 2017, 18:21
Samples of Horn and Probe - npSiC. see pg 74.
6 samples in total, to be heated to 1550C, about 450A.  Set ramping rate at 0.2A/min.  
Entry  Thursday, December 07, 2017, 10:03, Laura Lambert, Endcaps, , TARGET BOAT, In progress, Sintering TaC coating on endcaps and springs 
 Thursday, December 07, 2017, 09:57
Each endcap is wrapped in a separate piece of graphite foil and placed in a target boat.
There are also 4 coated springs, 2 on each side of the stack of endcaps.
    Reply  Thursday, December 07, 2017, 11:56, Laura Lambert, Endcaps, , TARGET BOAT, Problems, Sintering TaC coating on endcaps and springs trip_due_to_new_vacuum_limits_not_being_updated_properly.JPG


    
        
            Laura Lambert wrote:
        
        
            
             Thursday, December 07, 2017, 09:57
    Reply  Friday, December 08, 2017, 15:29, Laura Lambert, Endcaps, , TARGET BOAT, Problems resolved, Sintering TaC coating on endcaps and springs 


    
        
            Laura Lambert wrote:
        
        
            
            
            
    Reply  Friday, December 08, 2017, 15:42, Laura Lambert, Endcaps, , TARGET BOAT, Done, Sintering TaC coating on endcaps and springs 


    
        
            Laura Lambert wrote:
        
        
            
            
            
Entry  Monday, December 11, 2017, 14:22, Laura Lambert, , , , Maintenance, Interlock limits updated to 500mTorr 
 Monday, December 11, 2017, 14:21
Dave updated evap2 interlock limits to 500mTorr for TGHT and TBHT on friday

 
Entry  Wednesday, April 25, 2018, 07:21, Aaron Schmidt, , , , Done, HS swap evap 2 
Wednesday, April 25, 2018, 07:05: TGHT & TBHT off
Wednesday, April 25, 2018, 07:15: BV1 & TP1 off
Wednesday, April 25, 2018, 07:17: PV1 & BP1off
Entry  Wednesday, May 23, 2018, 15:21, Laura Lambert, Empty, , HP-FEBIAD-CTL, Done, Sintering TaC coating container for UCx#23 
Wednesday, May 16, 2018, 09:56
Container coated with TaC using 'flushing technique' and let dry over weekend.
Cleaned ionizer tube with acetone, no coating inside ionizer tube.
Entry  Friday, June 08, 2018, 08:33, Aaron Schmidt, , , , Problems resolved, Chiller tripped / Alarm 
Alarm noted on passing Hot Lab. RPG notified, no radiological hazards. ISAC ops contacted, drop in DI water last night.
Entered w/ PPE. Chiller alarming. Evap 1 running ok
Friday, June 08, 2018, 08:30: Chiller turned on/off. Reset. No alarm.
Entry  Tuesday, July 10, 2018, 16:43, John Wong, Empty, , LP-SIS, Done, For nano-SiC#1  
Tuesday, July 10, 2018, 16:40
Container was flashed with TaC solution and let dry in air. 
No Ta heat shield is used. 
Entry  Tuesday, September 04, 2018, 17:04, John Wong, Empty, , LP-SIS, Problems, TaC coating/sintering for UC target container TGHT-Current_error.JPG
Tuesday, September 04, 2018, 16:58
Container is coated with TaC and wrapped with Ta heat-shield ( 3 layers)
Desired temp = 1900 C (expected TGHT ~445A/7.5V), TBHT will be set fixed at 230A (max).
Entry  Tuesday, September 11, 2018, 10:47, Aaron Schmidt, , , , , Evap 2 step discrepancy  PS_Check.docx
 Tuesday, September 11, 2018, 10:45:
TGHT: 53.4 A   TBHT: 57.75
Actual
Entry  Tuesday, April 16, 2019, 13:40, Aaron Schmidt, , , , , Replace bottom insert on HS  
 Tuesday, April 16, 2019, 13:38: Replaced the bottom insert on the heat shield. 
Used small amount of isopropyl alcohol to wipe the inside if the HS out. 
Entry  Tuesday, May 14, 2019, 13:57, Aaron Schmidt, , , LP-FEBIAD, Done, Test FEBIAD 
 Tuesday, May 14, 2019, 13:56: Removed old HS w/ flexible lines & swapped in the FEBIAD. (HS waterlines are still purged.) Roughing.
Tuesday, May 14, 2019, 14:06: Turbo pump on. 
Tuesday, May 14, 2019, 14:22: Waterlines opened. Vacuum ok @ 5.34e-05T & dropping. 
Entry  Tuesday, May 21, 2019, 14:34, Aaron Schmidt, , , , , HS swap to EVAP 2 flex line. 
 Tuesday, May 21, 2019, 14:33: Install flexible line evap 2 HS.
Entry  Tuesday, June 04, 2019, 08:41, Darwin Ortiz Rosales, Endcaps, , TARGET BOAT, Done, Sintering TaC coating on endcaps and springs 
Tuesday, June 04, 2019, 08:36
Each endcap is separated with a disc of graphite foil and rolled into packs of 5 within a foil
envelope in a target boat.
ELOG V2.9.2-2455