• DocumentCode
    1237460
  • Title

    Magnetic aftereffect in SmCo5 sintered magnets machined to small size

  • Author

    Nishio, Hiroaki

  • Author_Institution
    Toei Ind. Co. Ltd., Tokyo, Japan
  • Volume
    25
  • Issue
    6
  • fYear
    1989
  • fDate
    11/1/1989 12:00:00 AM
  • Firstpage
    4409
  • Lastpage
    4412
  • Abstract
    The magnetic aftereffect was measured for SmCo5 sintered magnets. The effects of machining down to small size and to heat treatment were investigated. Marked magnetic aftereffect and permanent deterioration were observed. It was found that the magnetic aftereffect could be reduced by heat treatment to about 1/2 and the permanent deterioration to about 1/3. In contrast, the aftereffect constant, which is the coefficient of logarithmic time decay, remained constant irrespective of heat treatment
  • Keywords
    annealing; cobalt alloys; ferromagnetic properties of substances; magnetic aftereffect; magnetisation; permanent magnets; samarium alloys; sintering; SmCo5 sintered magnets; aftereffect constant; annealing; heat treatment; logarithmic time decay coefficient; machining effect; magnetic aftereffect; magnetisation; Demagnetization; Electromagnetic measurements; Heat treatment; Machining; Magnetic field measurement; Magnetic flux; Magnetic properties; Magnetic separation; Magnetization; Superconducting magnets;
  • fLanguage
    English
  • Journal_Title
    Magnetics, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9464
  • Type

    jour

  • DOI
    10.1109/20.45320
  • Filename
    45320