Nanocrystalline ceramic materials

Details Nanocrystalline ceramic materials Nanocrystalline ceramic materials

1993-06-30

1994-06-14

Harvey, Behrend E.

Powder metallurgy processes

Forming articles by uniting randomly associated metal particles

Consolidation of powders

148514, B22F 302

Patent

active

053208005

ABSTRACT:
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.

REFERENCES:
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patent: 4594104 (1986-06-01), Keybould
patent: 4596746 (1986-06-01), Morishita et al.
patent: 4654229 (1987-03-01), Morita et al.
patent: 4683118 (1987-07-01), Hayashi et al.
patent: 4909840 (1990-03-01), Schlump
patent: 5049355 (1991-09-01), Gennari et al.

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