Method for producing quick cooling alloy for magnet

Method for producing quick cooling alloy for magnet

  • CN 1,474,418 A
  • Filed: 04/24/2003
  • Published: 02/11/2004
  • Est. Priority Date: 08/08/2002
  • Status: Active Application
First Claim
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1. the manufacture method of a quenched alloy for nano-composite magnet is characterized in that:

  • Comprise;

    prepare with composition formula (Fe 1-mT m) 100-x-y-zQ xR yM z(T is one or more the element that is selected among Co and the Ni, Q be selected among B and the C, contain one or more the element of B at least, R is more than one rare earth element, and M is at least a metallic element that is selected among Al, Si, Ti, V, Cr, Mn, Cu, Zn, Ga, Zr, Nb, Mo, Ag, Hf, Ta, W, Pt, Au and the Pb) expression, composition ratio x, y, z and m satisfy respectively 10≤

    x≤

    35 atom %,2≤

    y≤

    10 atom %,0≤

    z≤

    10 atom % andThe operation of the alloy liquation of 0≤

    m≤

    0.5;

    AndMake described liquation be contacted with the surface of the chill roll of rotation, make the refrigerating work procedure of quick cooling alloy thus;

    Described refrigerating work procedure comprises;

    supply with described liquation on the guiding mechanism that the relative horizontal direction of spigot surface tilts, will flow through the operation that liquation on the above-mentioned spigot surface is supplied to the contact area that contacts with described chill roll by [.

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