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Title: Nanocrystalline ceramic materials

A method 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.
Inventors:
 [1];  [2];  [2]
  1. (Hinsdale, IL)
  2. (Evanston, IL)
Issue Date:
OSTI Identifier:
869351
Assignee:
ARCH Development Corporation (Chicago, IL); Northwestern University (Evanston, IL) ANL
Patent Number(s):
US 5320800
Contract Number:
W-31109-ENG-38
Research Org:
Argonne National Laboratory (ANL), Argonne, IL
Country of Publication:
United States
Language:
English
Subject:
nanocrystalline; ceramic; materials; method; preparing; treated; metallic; material; preparation; providing; starting; grain; size; 35; nm; compacting; inert; atmosphere; annealing; compacted; temperature; one-half; melting; metallic material; ceramic material; ceramic materials; grain size; inert atmosphere; nanocrystalline metallic; nanocrystalline ceramic; ceramic mater; /419/148/