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Magnetic separation of devitrified particles from corrosion-resistant iron-based amorphous metal powders

United States Patent

8,245,661
August 21, 2012
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
A system for coating a surface comprising providing a source of iron-based amorphous metal, the iron-based amorphous metal including devitrified ferrite; directing the iron-based amorphous metal toward the surface by a spray for coating the surface; and separating at least a portion of the devitrified ferrite from the spray before the spray reaches the surface. Also an apparatus for coating a surface comprising a source of iron-based amorphous metal, the iron-based amorphous metal including devitrified ferrite; an application system for directing the iron-based amorphous metal toward the surface by a spray for coating the surface, and a system for separating at least a portion of the devitrified ferrite from the spray before the spray reaches the surface.
Hailey; Phillip D. (Livermore, CA), Day; Sumner D. (Danville, CA), Farmer; Joseph C. (Tracy, CA), Yang; Nancy (Lafayette, CA), Devine, Jr.; Thomas M. (Moraga, CA), Kaufman; Larry (Brookline, MA)
Lawrence Livermore National Security, LLC (Livermore, CA), Sandia National Laboratories (Livermore, CA)
11/ 595,056
November 9, 2006
The United States Government has rights in this invention pursuant to Contract No. W-7405-ENG-48 between the United States Department of Energy and the University of California for the operation of Lawrence Livermore National Laboratory.