Moog offers a choice of Alnico or Samarium Cobalt magnet materials to satisfy most any requirement.
穆格提供铝镍钴和钐钴永磁材料的选择，以满足大多数的任何要求。
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Before regular use of electro-magnet of the magnetic material Alnico, aluminum nickel and cobalt is very low coercivity, high magnetic permeability, however, it is easy to demagnetization.