Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
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Entry  Tuesday, October 08, 2019, 09:53, Marla Cervantes, UC2, 44062-6, LP-SIS, Done, UCx29 Conditioning 
Monday, October 07, 2019, 09:51 
A TaC coated target container  was loaded with a graphite cartridge with UCx
The target container has 3 heat shields
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.
    Reply  Thursday, October 31, 2019, 13:59, Marla Cervantes, UO2/C, , TARGET BOAT, Problems, UCx#30 Carbothermal Reduction 


    
        
            Marla Cervantes wrote:
        
        
            
            Monday, October 28, 2019, 10:29
Entry  Wednesday, November 06, 2019, 11:48, Marla Cervantes, UC2, 44062-3 , LP-SIS, Done, UCx#30 Conditioning 
 Tuesday, November 05, 2019, 16:43
A TaC coated target container  was loaded with a graphite cartridge with UCx
The target container has 3 heat shields
Entry  Wednesday, January 22, 2020, 18:10, Marla Cervantes, Empty, P2N-02 , , Done, P2N test#1 6x
The assembly consists of two tantalum foils, 0.001" thick, which are radially crimped to form a cylindrical surface. The outside support are two
P2N  conditioning legs, and the inside supports are tantalum tapered rings. The solidworks geometry for this test is ITD0811 in PDM. 
 
A
first current ramp up to 600 amperes on the bare naked target is attempted to benchmark the current/voltage increase in a bare target, so that we have
Entry  Wednesday, January 29, 2020, 10:11, Marla Cervantes, Empty, P2N-02, , Done, P2N test#2 P2N-test2_final_voltage.JPGP2N-test2.JPG
The assembly consists of two tantalum foils, 0.001" thick, which are radially crimped to form a cylindrical surface. The outside support are
two P2N  conditioning legs, and the inside supports are tantalum tapered rings. The solidworks geometry for this test is ITD0811 in PDM. 
 
 The
P2N is attached to EVAP1 with copper legs and copper shims. A current ramp up to 600 A on the target wrapped with heat shields is attempted to benchmark
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
    Reply  Thursday, January 30, 2020, 10:15, Marla Cervantes, UO2/C, P2N-02, , Problems, P2N target material carbothermal reduction 


    
        
            Marla Cervantes wrote:
        
        
            
            Wednesday, January 29 2020, 05:55  
    Reply  Thursday, January 30, 2020, 11:53, Marla Cervantes, UO2/C, P2N-02, , Problems resolved, P2N target material carbothermal reduction 


    
        
            Marla Cervantes wrote:
        
        
            
            
            
    Reply  Thursday, January 30, 2020, 13:11, Marla Cervantes, UO2/C, P2N-02, , Problems, P2N target material carbothermal reduction voltage-rising.JPG


    
        
            Marla Cervantes wrote:
        
        
            
            
            
    Reply  Friday, January 31, 2020, 15:36, Marla Cervantes, UO2/C, P2N-02, , Done, P2N target material carbothermal reduction P2N-Carbothermal_reduction.JPG


    
        
            Marla Cervantes wrote:
        
        
            
            
            
    Reply  Thursday, August 13, 2020, 14:37, Marla Cervantes, UO2/C, P2N-02, , Problems, P2N target material carbothermal reduction 200815-Vacuum_P2N.PNG


    
        
            Marla Cervantes wrote:
        
        
            
            
            
    Reply  Tuesday, August 18, 2020, 20:45, Marla Cervantes, UO2/C, P2N-02, , Problems resolved, P2N target material carbothermal reduction 


    
        
            Marla Cervantes wrote:
        
        
            
            
            
Entry  Wednesday, August 19, 2020, 07:49, Marla Cervantes, UO2/C, P2N-02, , Done, P2N carbothermal reduction (#2) P2N.PNG
Wednesday, August 19, 2020, 07:47 
XRD analysis of the P2N material showed that the carbothermal reduction was not completed
The material was loaded again in its oven, new Ta caps where secured to the edges, the body remained
Entry  Tuesday, September 08, 2020, 20:45, Marla Cervantes, UO2/C, P2N-02, , Done, P2N-2 carbothermal reduction P2N-2-CR-1.PNG
 Tuesday, September 08, 2020, 20:44
A P2N oven with three heat shields, loaded with a graphite container filled with UO2/C ring-discs
was set in the EVAP1
Entry  Thursday, September 10, 2020, 14:07, Marla Cervantes, UO2/C, P2N-02, , Done, P2N-2 Conditioning 
 Thursday, September 10, 2020, 14:01
A P2N target was carbothermal reduced but at the maximum current, the power supply tripped (elog. 267)
Therefore, the target was not hot long enough to fully outgas, that is why it will be reheated.
Entry  Tuesday, March 30, 2021, 16:04, Marla Cervantes, UO2/C, P2N-02, , Done, P2N-3 carbothermal reduction 
Green target material characteristics  (elog 105)
#discs = 49
Entry  Thursday, April 15, 2021, 15:01, Marla Cervantes, , , , , IGP1 patch 
Thursday, March 31, 2021, 14:42 
 
EVAP1's TGHT has been tripping even when the pressure is below the tripping limits. The temperature of the turbo pump and the
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  Wednesday, September 15, 2021, 07:19, Marla Cervantes, UC2, , TARGET BOAT, Done, Conditioning 2sc samples 
Wednesday, September 14, 2021, 21:14
Boat is wrapped with 2 layers of Ta-heat shield
The samples consists of 15 discs of UCx of 14mm diameter
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