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Entry  Thursday, November 05, 2015, 16:20, Laura Lambert, , 41077-3, LP-SIS, In progress, Sintering TaC coating on 'temporary endcaps' springs 2015-11-02_16.03.10.jpg'temporary_endcap'_springs_nov.3_2015.jpgIMG_20151105_141239627_HDR.jpgIMG_20151105_141248901_HDR.jpg
    Reply  Monday, November 09, 2015, 12:56, John Wong, , 41077-3, LP-SIS, In progress, Sintering TaC coating on 'temporary endcaps' springs (Slope changed to 1.04) 
       Reply  Monday, November 09, 2015, 14:22, Laura Lambert, , 41077-3, LP-SIS, Done, Sintering TaC coating on 'temporary endcaps' springs (Slope changed to 1.04) Evernote_Camera_Roll_20151110_113123.jpg
Message ID: 259     Entry time: Thursday, November 05, 2015, 16:20     Reply to this: 260
Author: Laura Lambert 
Target Material:  
Target Oven W.O#: 41077-3 
Source: LP-SIS 
Status: In progress 
Subject: Sintering TaC coating on 'temporary endcaps' springs 

 Thursday, November 05, 2015, 16:19

Springs coated with TaC and loaded into container for sintering.

3x Ta heat shield.

EVAP2 currently pumping down.


 Friday, November 06, 2015, 08:39

Opened HS water valves, no leaks detected.

Tapped up manually to 35A.

IGP1 = 5.5e-7 Torr.


 Friday, November 06, 2015, 10:08

IGP1 = 5.8e-7 Torr.

Vacuum stable.

Initiating auto-ramp at 0.2A/min and 0.1A/min with final setpoints of 450A and 230A for the TGHT and TBHT respectively.

See photos attached to view how springs were coated and loaded into container.


 Monday, November 09, 2015, 09:07

TGHT reached 450A, 7.2V ~8pm sat, nov 7th.

OMEGA = 1775C

IGP1 = 3.2e-7 Torr.

Tapping up manually to 1900C.


 

Attachment 1: 2015-11-02_16.03.10.jpg  2.561 MB  Uploaded Friday, November 06, 2015, 10:50  | Show | Hide all
Attachment 2: 'temporary_endcap'_springs_nov.3_2015.jpg  3.313 MB  Uploaded Friday, November 06, 2015, 10:51  | Show | Hide all
Attachment 3: IMG_20151105_141239627_HDR.jpg  2.588 MB  Uploaded Friday, November 06, 2015, 10:51  | Show | Hide all
Attachment 4: IMG_20151105_141248901_HDR.jpg  2.923 MB  Uploaded Friday, November 06, 2015, 10:51  | Show | Hide all
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