[time-nuts] Voyager space probe question

[donald collie]

IIRC Tungsten Rhenium alloy is used for the rotating anode in X-ray tubes.
Extremely high melting point. Cheers......Don C.

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On Mon, Nov 30, 2020 at 7:43 PM Mark Sims <holrum at hotmail.com> wrote:

> I once bought a spool of tungsten-rhenium alloy wire on ebay for dirt
> cheap.   A few weeks later a guy contacted me and offered a lot of money
> for it.  Turns out they used it to rebuild TWTs.
>
> --------------------
>
> > I wonder what sort of cathode material they use?
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