Metal coating for a kitchen utensil

Details Metal coating for a kitchen utensil Metal coating for a kitchen utensil

C - Chemistry, Metallurgy

22

C

C22C 21/00 (2006.01) C22C 21/12 (2006.01) C22C 45/08 (2006.01)

Patent

CA 2554285

The invention relates to a metal coating for a kitchen utensil for food products. The coating consists of an aluminium-based alloy containing more than 80 % by mass of one or several quasi-crystalline or approximating phases, having the following composition: Al¿a?(Fe¿1-x?X¿x?)¿b?(Cr¿1-y?Y¿y?)¿c?Z¿z?J¿j? wherein X represents one or several isolectronic elements of Fe, selected from Ru and Os; Y represents one or several isoelectronic elements of Cr, selected from Mo and W; Z is an element or a mixture of elements selected from Ti, Zr, Hf, V, Nb, Ta, Mn, Re, Rh, Ni and Pd; J represents unavoidable impurities other than copper; a + b + c + z = 100; 5 b 15; 10 c 29; 0 z 10; xb=2; yc=2; j<1.

L'invention concerne un revêtement métallique pour un ustensile de cuisson de produits alimentaires. Le revêtement est constitué par un alliage à base d'aluminium contenant plus de 80% en masse d'une ou plusieurs phases quasicristallines ou approximantes, ayant la composition Ala(Fe1-xXx)b(Cr1- yYy)cZzJj dans laquelle X représente un ou plusieurs éléments isoélectronique de Fe, choisis parmi Ru et Os ; Y représente un ou plusieurs éléments isoélectroniques de Cr, choisis parmi Mo et W ; Z est un élément ou un mélange d'éléments choisis parmi Ti, Zr, Hf, V, Nb, Ta, Mn, Re, Rh, Ni et Pd ; J représente les impuretés inévitables autres que le cuivre ; a + b + c + z = 100 ; 5 b 15 ; 10 c 29 ; 0 z 10 ; xb<=2 ; yc<=2 ; j<1.

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