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What Is The Fabricating Process Routine Of Sintered Nd-Fe-B
Aug 31, 2016

The sintered Nd-Fe-B magnets are usually formed by powder metallurgical processes. The general fabricating process routine is as follow:

· Melting------alloying ingot;
·  Milling------powders with suitable particle size;
·  Pressing-------magnetic field oriented green compaction;
·  Sintering-------condensed magnet;
·  Annealing------increase coercivity of the magnet;
·  Magnetic properties testing;
·  Grinding for rough magnet profile modification;
·  Machining processes such as cutting, drilling or milling to final shape;
·  Plating processes such as Ni, Zn, Al, epoxy coating etc.;
·  Quality inspecting and testing for final products;
·  Packing and delivering.

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