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I Forge Iron

Quenching hot steel


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Transformer lamination composition is all over the map. Some has silicon, some does not. Some are mostly nickel, others less so.

http://www.magmet.co...n/materials.php

Page three of this pdf

But yes, silicons steel was indeed widely used in the past.


Also the additional silicon increases conductivity,


I had not heard of this before. Steve, can you steer me toward some additional reading, I'd like to know more about this effect of silicon in steel.
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Steve I read both of those sites and neither one says it increases conductivity. In fact the second one says "the added volume resistivity helps to reduce eddy current losses in the core" Increasing resistivity is the opposite of increasing conductivity.

As I understood it the Si was for the magnetic effects trying to get minimal hysteresis with fluctuating fields.

I'll have to dig out "Alloying elements in Steel" and see what it says.

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