Method for forming a hardened surface on a substrate

Method for forming a hardened surface on a substrate

  • CN 1,997,765 B
  • Filed: 05/02/2005
  • Issued: 05/30/2012
  • Est. Priority Date: 05/06/2004
  • Status: Active Grant
First Claim
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1. method that on matrix, forms hardened surface, said method comprises:

  • Matrix is provided;

    WithForm melted alloy and cool off said alloy;

    On said matrix, form the metallic glass coating;

    This formation comprises and forms the metallic glass layer of piling up continuously, and the hardness of said metallic glass coating is at least about 9.2GPa, and comprises by following elementary composition alloy;

    at least 50% iron;

    By following second group elementary composition at least a element;

    Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Al, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu;

    AndBy following first group elementary composition at least a element;

    B, C, N, O, P and S,But must comprise one of B and P or both and one of Mo and W or both.

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