How are the high-energy magnets manufactured?

The manufacturing:

The manufacturing process is quite simple. As with other metals, it involves melting and further processing. First, the alloy of the samarium-cobalt or neodymium magnets is melted down. Then the resulting cooled materials are broken up, finely ground - to a powder - and then first pressed in a magnetic field and then sintered (materials are bonded or compressed by heating).

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