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BOB JOHNSON ASSOCIATES, INC.

, Sterling, Massachusetts   01564 , USA

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General Info:

bja magnetics manufacturer and supplier of permanent magnets, magnetic assemblies and associated services

Products & Services:

  • Magnet
  • Magnets
  • Magnetic
  • Magnetic Materials
  • Smco Magnets
  • Ndfeb Magnets
  • Alnico Magnets
  • Rare Earth Magnets
  • Ferrite Magnets
  • Ceramic Magnets
  • Magnetic Modeling
  • Bonded Magnets
  • Sintered Magnets
  • Injection Molded Magnets
  • Bob Johnson Associates
  • Bja Magnetics
  • Medical Magnets
  • Specialty Magnets
  • Strong Magnets
  • Neodymium
  • Neodymium Magnets

Web Site Results

, brittle part that requires specialized equipment for grinding to close tolerances. While physically quite strong, these magnets [like all cast or sintered magnetic materials] should...Ceramic/Ferrite Ceramic or Ferrite Magnets The chemical composition of Ferrite magnets is SrO-6(Fe2O3), strontium hexaferrite. The raw materials used to produce ferrite magnets... are strontium carbonate and iron oxide, both of which are readily available and low in cost. As a result, the use of ferrite magnets in most applications is more economical than...
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