Saturday, August 22, 2020, 11:41

A Ta short tube was coated with TaC and sintered, then it was loaded with a c-cartridge

Now is currently under vacuum and it will be heated to 2000 °C during 3 days

Saturday, August 22, 2020, 11:43

Good vacuum = 3e-2 Torr

Bad vacuum = 5e-2Torr

IGP1 = 3.08e-7 Torr 

Autoram set to 10A/30 s to 200 A

 Saturday, August 22, 2020, 11:59

Good vacuum = 3e-2 Torr

Bad vacuum = 5e-2Torr

TGHT = 2.36 V, 200.1 A

IGP1 =2.46e-6 Torr

Autoramp set to to 300 A at 5A/30s 

Saturday, August 22, 2020, 13:03

TGHT = 7.32 V, 495.3 A

IGP1 = 2.7e-6 Torr

Omega = 2016 °C

AP = 1970.1 °C

Autoramp set to 550 A at 5A/30s

 Saturday, August 22, 2020, 13:11

TGHT =7.6 V, 523.2 A

IGP1 = 3.2e-6 Torr

Omega = 2077 °C

Monday, August 24, 2020, 07:59

Voltage increased ~0.2 V while current remained the same indicating an increment in resistance, temperature increment increased accordingly

TGHT = 7.815 V, 520.87 A

Omega = 2126 °C

Monday, August 24, 2020, 08:04

The current was reduced 0.1 A to 519.9

Monday, August 24, 2020, 08:55 Omega =  2112 °C

Monday, August 24, 2020, 09:12

The temperature returned to Omega = 2130 °C

The current was reduced 0.1 A to 519.8

Monday, August 24, 2020, 09:56

TGHT = 7.7 V, 518.3 A

Omega = 2132 °C 

Monday, August 24, 2020, 09:59 

The current was reduced 0.2 A to 519.6 A

TGHT = 7.7 V, 517.3 A

Monday, August 24, 2020, 10:07  Omega = 2130°C

 Monday, August 24, 2020, 10:08

The current was reduced 0.4 A to 519.2 A

TGHT = 7.7 V, 513.5 A

Monday, August 24, 2020, 10:13  Omega = 2129°C

Monday, August 24, 2020, 10:21

Voltage dropped to 7.6 V and temperature reduced to 2105 °C

Monday, August 24, 2020, 10:30

Voltage increased to 7.8 V and temperature increased to 2128 °C

Monday, August 24, 2020, 10:33

The current was reduced 0.4 A to 518.6 A

TGHT = 7.7 V, 513.06 A

Monday, August 24, 2020, 10:38  Omega = 2130 ­°C

Monday, August 24, 2020, 10:41

 The current was reduced 0.4 A to 518.2 A

Monday, August 24, 2020, 11:13 

 The current was reduced 0.4 A to 517.8 A

Monday, August 24, 2020, 11:19  Omega = 2128 °C

Monday, August 24, 2020, 11:19 

 The current was reduced 0.4 A to 517.4 A

Monday, August 24, 2020, 11:22  Omega = 2126

Monday, August 24, 2020, 11:22

 The current was reduced 0.4 A to 517.0 A

Monday, August 24, 2020, 11:25  Omega = 2123 °C

Monday, August 24, 2020, 11:26

 The current was reduced 0.4 A to 516.6 A 

Monday, August 24, 2020, 11:30  Omega = 2109 °C

Monday, August 24, 2020, 11:30 

 The current was reduced 0.4 A to 516.2 A

Monday, August 24, 2020, 11:36  Omega = 2100 °C

Monday, August 24, 2020, 11:37

  The current was reduced 0.4 A to 516.0 A

TGTH = 7.5 V, 512.9 A

Omega = 2095 °C

Monday, August 24, 2020, 14:17

Voltage dropped and later on increased 

TGHT = 7.7 V, 517.5 A

Omega = 2120 °C 

Monday, August 24, 2020, 14:18

 The current was reduced 0.4 A to 515.6 A

TGHT = 7.6 V, 509.4 A

Monday, August 24, 2020, 14:20  Omega = 2125 °C

Monday, August 24, 2020, 14:20

The current was reduced 0.4 A to 515.2 A

Monday, August 24, 2020, 14:22  Omega = 2122 °C

Monday, August 24, 2020, 14:22

 The current was reduced 0.4 A to 514.8 A

Monday, August 24, 2020, 14:29  Omega = 2116 °C

Monday, August 24, 2020, 15:27

The voltage dropped as well as the temperature

TGHT = 7.5 V, 512.5 A 

Monday, August 24, 2020, 15:28 Omega = 2095 °C

Monday, August 24, 2020, 22:06

TGHT = 7.6 V, 515.9 A 

Omega = 2105 °C

Tuesday, August 25, 2020, 09:07

TGHT = 7.6 V, 519.13 A

Omega = 2102 °C 

Tuesday, August 25, 2020, 13:02

TGHT = 7.6 V, 518.0 A

Omega = 2116 °C

IGP1 = 3e-7 Torr

Tuesday, August 25, 2020, 13:04 

Starting ramp down to 0 A at 5 A/min