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U.S. Department of Energy
Office of Scientific and Technical Information

Nanocrystalline ceramic materials

Patent ·
OSTI ID:7289140

A method is disclosed for preparing a treated nanocrystalline metallic material. The method of preparation includes providing a starting nanocrystalline metallic material with a grain size less than about 35 nm, compacting the starting nanocrystalline metallic material in an inert atmosphere and annealing the compacted metallic material at a temperature less than about one-half the melting point of the metallic material. 19 figs.

DOE Contract Number:
W-31109-ENG-38
Assignee:
ARCH Development Corp., Chicago, IL (United States); Northwestern Univ., Evanston, IL (United States)
Patent Number(s):
US 5320800; A
Application Number:
PPN: US 8-086387
OSTI ID:
7289140
Country of Publication:
United States
Language:
English