| US 7,563,517 B2 | ||
| Metal coating for a kitchen utensil | ||
| Stéphane Raffy, Cavaillon (France); Jean-Marie Dubois, Pompey (France); Valérie Demange, Nancy (France); and Marie-Cécile De Weerd, Villiers les Nancy (France) | ||
| Assigned to Saint Gobain Centre de Recherches et d-Etudes European “Les Miroirs”, Courbevoie (France); and Centre National de la Recherche Scientifique, Paris (France) | ||
| Appl. No. 10/589,576 PCT Filed Feb. 09, 2005, PCT No. PCT/FR2005/000290 § 371(c)(1), (2), (4) Date Jun. 22, 2007, PCT Pub. No. WO2005/083139, PCT Pub. Date Sep. 09, 2005. |
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| Claims priority of application No. 04 01536 (FR), filed on Feb. 16, 2004. | ||
| Prior Publication US 2008/0032151 A1, Feb. 07, 2008 | ||
| Int. Cl. B32B 5/16 (2006.01); B32B 15/20 (2006.01) | ||
| U.S. Cl. 428—650 [428/615] | 2 Claims |
| 1. A utensil or vessel for cooking food products, wherein the surface of said utensil or vessel that is in contact with the
food products has a coating consisting of an aluminum-based alloy containing more than 80% by weight of one or more quasicrystalline
or approximant phases, having the composition Ala(Fe1-xXx)b(Cr1-yYy)cZzJj in which:
X represents one or more elements isoelectronic with Fe, chosen from Ru and Os;
Y represents one or more elements isoelectronic with Cr, chosen from Mo and W;
Z is an element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Mn, Re, Rh, Ni, Pd mixtures thereof;
J represents the inevitable impurities other than copper;
a+b+c+z=100;
5≤b≤15; 10≤c≤29; 0≤z≤10;
xb≤2;
yc≤2; and
j<1, said aluminum-based alloy being free of copper.
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