Tuxedo,
can you give a little bit more information on the test sequence when testing the new breaker?
What type of failure did occur?
Did it occur during closing or opening the vacuum breaker? I guess at closing as you are talking about pre-strikes!
Best regards,
Uwe
Hello,
does anybody know the material composition of Scotch Brite which is used for surface finish for steels, cleaning,...?
We have encountered some unexplained dielectric failures of a Scotch Brite polished contact system in vacuum. An untreated system works perfectly. A rough idea would...
Thank you for your help. The material I chose finally was Inconel 600. It was the nearest fit with a mean expansion coefficient of about 15 between 20 and 800°C. It was the best fit I could get for my requirements.
Hello,
Does stainless steel loose its non-ferromagnetic properties when exposed to temperatures up to 850°C (Brazing) for a period of several hours.
Final use will be at low temperature. The steels we are looking in are 304, 310, 316, 321.
Thanks
Hello,
I am looking for a non-ferromagnetic, maybe a steel type and brazeable material which has an expansion coefficient in an order of magnitude of 8-15ppm/K from 20°C to 800°C , as mean value, would be ideal. Has anybody any ideas?
Thanks!
Thanks for your reply! Finally I found some data in the metals handbook up to 1000°C for some steels.
For 316 i found 16.0ppm/°C for 0-100°C. It matches quite well with the data I found. For the others I didn't check.
Best regards,
Uwe