The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 1997
Filed:
Apr. 26, 1996
Serge Paidassi, Grenoble, FR;
Jacques Ernoult, St Etienne de Crossey, FR;
Michel Brun, Bizanos, FR;
Pierre Monge-Cadet, Serres-Torlaas, FR;
Yves Pauleau, Grenoble, FR;
Guy Farges, La Ville Du Bois, FR;
Commissariat a l'Energie Atomique, Paris, FR;
Turbomeca, Cedex, FR;
L'Etat Francais represente par le Delegue general pour l'Armement, Armees, FR;
Abstract
The present invention relates to a multilayer material useful as an anti-erosion and anti-abrasion coating, and to a process for producing the multilayer material at low temperatures. The multilayer material comprises a substrate covered with at least one metallic tungsten ductile layer and at least one hard layer of a solid solution of an additional element chosen from carbon or nitrogen or a mixture of carbon and nitrogen in tungsten or a tungsten alloy, the two types of layers ar alternating. The multilayer material is particularly useful as a coating for parts used in aeronautics.