METHOD FOR RECYCLING RARE EARTH SINTERED MAGNET
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United States of America
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Issued Date -
Jan 30, 2025
app pub date -
Oct 10, 2024
filing date -
Oct 10, 2024
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Abstract
A method for recycling a rare earth magnet is described. The rare earth magnet has a film containing Ni on the surface thereof, and the method involves immersing the rare earth magnet in a stripping solution containing a derivative of nitrobenzene, ethylenediamine, and ammonia. This strips the Ni on the surface of the rare earth magnet without deteriorating the characteristics of the rare earth magnet, thereby improving its product yield.
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