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IMPRINTING BULK AMORPHOUS ALLOYS AT ROOM TEMPERATURE

United States Patent Application

20160298219
A1
View the Complete Application at the US Patent & Trademark Office
A technique is disclosed for straining an amorphous alloy at ambient temperature to plastically and homogeneously deform the amorphous alloy, such that at least an exterior surface of the deformed amorphous alloy is substantially free of shear bands. An amorphous alloy may be strained at a rate of less than about 9.times.10.sup.-5 s.sup.-1 or by multiple passes of cold rolling. A pattern from a die may be imprinted into the amorphous alloy when strained, and the amorphous alloy may be used as a die to plastically strain other materials.
Lee, Min Ha (Incheon, KR), Park, Eun Soo (Jeonju-si, KR), Ott, Ryan Timothy (Ames, IA), Eckert, Jurgen (Dresden, DE)
15/ 093,536
April 7, 2016
STATEMENT OF GOVERNMENT INTEREST [0002] This invention was made with Government support from a grant under Contract No. DE-AC02-07CH11358, provided by the U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering. The Government may have certain rights in the invention.