What are the common coatings of sintered Nd-Fe-B magnets?
Thesinteredneodymiumironboronstrongmagneticcoatingincludesnickel,copper,chromium,gold,zinc,blackzinc,andepoxyresin.Thesurfaceplatingisnotthesame,itscolorisalsodifferent,anditsstoragetimeisalsodifferent.Eachhasitsadvantagesanddisadvantages.1)Zinc:Thesurfac...