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Hard metallic materials

United States Patent Application

20040140017
A1
View the Complete Application at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
The invention includes a method of producing a hard metallic material by forming a mixture containing at least 55% iron and at least one of B, C, Si, and P. The mixture is formed into an alloy and cooled to form a metallic having a hardness of greater than about 9.2 GPa. The invention includes a method of forming a wire by combining a metal strip and a powder. The strip and the powder are rolled to form a wire containing at least 55% iron and from 2-7 additional elements including at least one of C, Si and B. The invention also includes a method of forming a hardened surface on a substrate by processing a solid, applying the powder to a surface to form a layer containing metallic glass, and converting the glass to a crystalline material having a nanocrystalline grain size.
Branagan, Daniel J. (Iona, ID)
10/ 752,985
January 5, 2004
[0002] This invention was made with United States Government support under contract number DE-AC07-99ID13727, awarded by the United States Department of Energy. The United States Government has certain rights in the invention.