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Synthesizing magnetite


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I've become interested in being able to make magnets from scratch (without electricity), and turned to iron and iron oxides (such as hematite) to try and turn them into magnetite.

Anyone knows if there's a way to do that? Or how feasible is it?

Edited by gatewood
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1 hour ago, gatewood said:

I've become interested in being able to make magnets from scratch (without electricity), and turned to iron and iron oxides (such as hematite) to try and turn them into magnetite.

Anyone knows if there's a way to do that? Or how feasible is it?

The process is called sintering.

 

https://www.shinetsu-rare-earth-magnet.jp/e/design/words/sintered_m.html

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12 hours ago, studiot said:

hmmm... interesting, so the process involves, turning a rare earth (possibly iron too) into powder, then using a magnet to align all the particles (as if using electricity to make a permanent magnet) and then cooking the whole thing to nucleate it and make it grow crystals.

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