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How would I melt NdFeB but still keep it magnetically strong?

C

cirthix

Diamond Member
I have some cracked Nd2Fe14B magnets (nickel coated) and would like to melt them down and get a single large, but still very strong magnet. How would I do this?
 
Based on my understanding of the process, I don't believe that this would be possible for someone to do at home.

http://www.duramag.com/magnetic_materials/Neodymium/Default.asp
http://www.magnetsales.com/Neo/Neo1.htm

(links from Google search "Neodymium magnet manufacture")

My understanding of the flow is that an alloy of the three materials is created in a highly temperature controlled environment using melt-spinning, then the result is ground down to a fine powder, then the power is compressed while in the presence of an extremely high magnetic field.
 
How do I extract useful work from a system without decreasing the energy content of that system?

Once you can answer that question, you'll have answered yours.😉
 
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