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Tungsten Filament becoming brittle
I have been winding 0.25mm tungsten wire to make heating filaments. The wire is of course malluable before use (which is why I can wind it) and highly elastic. After passing current through the wire (in a vacuum) the wire becomes very brittle and breaks very easily. Why is this so? what...- Mattcs
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- Replies: 8
- Forum: Metal and Metallurgy engineering
