• DocumentCode
    1385683
  • Title

    Structure and magnetic properties of mechanically alloyed SmCo7 compound

  • Author

    Yang, Jun ; Mao, O. ; Altounian, Z.

  • Author_Institution
    Center for the Phys. of Mater., McGill Univ., Montreal, Que., Canada
  • Volume
    32
  • Issue
    5
  • fYear
    1996
  • fDate
    9/1/1996 12:00:00 AM
  • Firstpage
    4380
  • Lastpage
    4382
  • Abstract
    The relationship between phase transformation and magnetic properties of mechanically alloyed (MA) SmCo7 alloys at different annealing temperatures has been studied. The MA alloy is a mixture of an amorphous phase and a TbCu7-type phase, and has low coercivity. Upon annealing, the coercivity initially increases with the amount of SmCo7 phase. Maximum coercivity of 18 kOe has been obtained on single phase TbCu7-type SmCo7 compound by annealing at 650°C. At higher annealing temperature, coercivity first decreases with the appearance of CaCu6-type SmCo6 phase and still further with the formation of Th2 Zn17-type Sm2Co17 phase at 800°C
  • Keywords
    annealing; cobalt alloys; coercive force; crystal structure; ferromagnetic materials; mechanical alloying; permanent magnets; samarium alloys; solid-state phase transformations; 650 C; 800 C; SmCo7; annealing temperatures; low coercivity; magnetic properties; maximum coercivity; mechanically alloyed SmCo7; phase transformation; structure; Anisotropic magnetoresistance; Annealing; Argon; Cobalt; Coercive force; Grain size; Magnetic properties; Magnets; Powders; Samarium;
  • fLanguage
    English
  • Journal_Title
    Magnetics, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9464
  • Type

    jour

  • DOI
    10.1109/20.538875
  • Filename
    538875
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1385683