... M,H,SH,UH,EH,AH 4.Appliaction:Motors Motor magnets and Rotor magnets are most in Arc or segment shape.some ... earth permanent magnets, which use neodymium (Nd), iron (Fe), and boron (B) as their main ingredients. 1. The NdFeB ... ) Prone to oxidation than other magnet alloys Magnetic Characteristics And Physical Properties of Sintered Nd-Fe-BCharacteristics RemanenceCoerciv ForceIntrinsic CoerciveMax ...