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Message ID: 297     Entry time: Tuesday, January 21, 2025, 07:00
Author: Darwin Ortiz Rosales 
Target Material: UO2/C 
Target Oven W.O#: conditioning oven#3 
Source: LP TUBE 
Status: In progress 
Subject: 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.

Reduction for 4 hours and then 8 hours @ 450A (see docushare 177267)

Good Vacuum: 5.0e-04 Torr

Bad Vacuum: 5.0e-02 Torr

Initial pressure is 1.5 e-06 Torr


Tuesday, January 21, 2025, 06:59

Starting ramp at 2A/min to 60A


Tuesday, January 21, 2025, 09:41

IGP1=2.33 e-06 Torr

Starting ramp to 90A @ 1A/min


Tuesday, January 21, 2025, 12:59

started ramping to 520A @ 2A/min

IGP1=1.34e-5 Torr


Wednesday, January 22, 2025, 06:29

Yesterday night ramped down to 450A and left for 8 hours.

Initiating rampdown to zero A @ -2A/min

IGP1=1.9e-06 Torr

TGHT= 450A, 4.4V

 

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