Surface coating of a carbide or a nitride

Details Surface coating of a carbide or a nitride Surface coating of a carbide or a nitride

2005-05-03

2005-05-03

Turner, Archene (Department: 1775)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C051S307000, C051S309000, C204S192100, C427S249100, C427S255280, C427S255395, C428S697000, C428S698000, C428S699000

Reexamination Certificate

active

06887562

ABSTRACT:
A surface coating comprising at least one carbide layer having the general formula MQC, wherein M is an element from the group consisting of Sc, Y, La, Ti, Zr, Hf, V, Nb, Ta or any mixture thereof, and Q is an element from the group consisting of Mn, Cr, Fe, Co, Ni, Cu, Mo, Tc, Ru, Rh, Pd, Ag, Re, W, Os, Ir, Pt, Au, Al or any mixture thereof. The layer comprises at least two different crystal structures or parts of such structures, and the relative amounts of M and Q in the layer are within a range in which the energy required for forming, a crystal structure of said carbide is generally equal for said at least two structures. The principle also applicable nitrides.

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