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Where do I get Tungsten welding electrodes?




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From:  Charles Brush [SMTP:cfbrush-at-interport-dot-net]
Sent:  Saturday, March 21, 1998 12:00 PM
To:  Tesla List
Subject:  Re: Where do I get Tungsten welding electrodes?

[snip from Ed Wingate's post]

>D.C. is right about tungsten rod being very brittle. With the melting
>point of tungsten being somewhat higher than 6000 degrees F. it isn't
>practical to melt and cast it to produce tungsten rod. Pure tungsten rod
>is produced by heating and pressing tungsten powder into a form under
>great pressure ( called sintering) and then cylindrical grinding it to
>size.

For anyone interested in seeing this type of rod used in a rotor, there are
pictures at:

http://www.foundrygroup-dot-com/cbrush/coil/photos.html

Zap!

Charles Brush