Thursday, June 6, 2019, 16:43

A graphite insert with tantalum wires in its caps was loaded in a tantalum tube.

The system will be heated to 2000 C again (see elog 446)

Currently the chamber is being evacuated.

Friday, June 7, 2019, 16:40

Autoramp was set to 450 A at 1A/min to reach 2000 C

The temperature will be hold at 2000 C for a 4 days.

Tuesday, June 11, 2019, 16:46 

Autoramp is set to -2 A/min to 0 A

Wednesday, June 12, 2019, 17:01 

The tube present sever crystallization but is not broken and has some resistance against pressure.