Nanostructured metal compacts, and method of making same

Details Nanostructured metal compacts, and method of making same Nanostructured metal compacts, and method of making same

1995-12-01

2000-10-24

Mai, Ngoclan

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75246, 419 62, 419 65, 419 66, C22C 3300

Patent

active

061360619

ABSTRACT:
The present invention provides for nanostructured metal compacts exhibiting a preferred grain orientation formed from nanosize metal particles, preferably having anisometric morphology. The compact may comprise a single-phase metal powder, that is, a metal powder comprised of a single element, or may be an alloy, or the metal powder may be admixed with another component thereby resulting in a compact exhibiting heterogenous properties. The metal particles are fabricated or compacted, as by a powder metallurgical process, utlizing a relatively high pressure sufficient to form a compact, object, body, article, product or the like, with desired integrity and desity. The particles tend to become oriented with their largest dimension perpendicular to the direction of the applied force. Compaction occurs at about ambient temperature, but may be at subambient or elevated temperatures provided this temperature variation is not deleterious to the grain structure of the compact.

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patent: 5403375 (1995-04-01), Konig et al.

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