Coating materials for metal alloys and metals and method

Details Coating materials for metal alloys and metals and method Coating materials for metal alloys and metals and method

1992-01-06

1993-04-20

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

420538, 148438, 148439, 427405, 384912, 126390, B32B 1520, C22C 2100

Patent

active

052041913

ABSTRACT:
The invention relates to materials for coating metal alloys or metals, which materials are intended to improve the performance of said alloys or metals.
These materials have a composition which corresponds to the general formula Al.sub.a Cu.sub.b Fe.sub.c X.sub.d I.sub.e, wherein X represents one or more elements chosen from V, Mo, Ti, Zr, Nb, Cr, Mn, Ru, Rh, Ni, Mg, W, Si and the rare earths, and I represents the inevitable manufacturing impurities, e.ltoreq.2, 14.ltoreq.b.ltoreq.30, 7.ltoreq.c.ltoreq.20, O.ltoreq.d.ltoreq.10, with c+d.ltoreq.10 and a+b+c+d+e=100% of the number of atoms, and they contain at least 40% by mass of an icosahedral quasi-crystalline phase and/or a decagonal quasi-crystalline phase and have a grain size greater than 1,000 nm in the quasi-crystalline phase.
These materials are useful, in particular, for coating copper, aluminium alloys or copper alloys in the manufacture of cooking utensils, anti-friction bearings, anti-wear surfaces and reference surfaces.

REFERENCES:
patent: 4347076 (1982-08-01), Ray et al.
patent: 4595429 (1986-06-01), Le Caer et al.
patent: 4710246 (1987-12-01), Le Caer et al.

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