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Title: Fluid casting of particle-based articles

Abstract

A method is disclosed for the production of articles made of a particle-based material; e.g., ceramics and sintered metals. In accordance with one aspect of the invention, a thermally settable slurry containing a relatively high concentration of the particles is introduced into an immiscible, heated fluid. The slurry sets hardens into a shape determined by the physical characteristics of the fluid and the manner of introduction of the slurry into the fluid. For example, the slurry is pulse injected into the fluid to provide spherical articles. The hardened spheres may then be sintered to consolidate the particles and provide a high density product. 1 figure.

Inventors:
Issue Date:
Research Org.:
Lockheed Martin Energy Syst Inc
OSTI Identifier:
35078
Patent Number(s):
5,401,445
Application Number:
PAN: 8-083,964
Assignee:
Martin Marietta Energy Systems, Inc., Oak Ridge, TN (United States)
DOE Contract Number:  
AC05-84OR21400
Resource Type:
Patent
Resource Relation:
Other Information: PBD: 28 Mar 1995
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; CERAMICS; CASTING; METALS; SLURRIES; SHAPE

Citation Formats

Menchhofer, P. Fluid casting of particle-based articles. United States: N. p., 1995. Web.
Menchhofer, P. Fluid casting of particle-based articles. United States.
Menchhofer, P. Tue . "Fluid casting of particle-based articles". United States.
@article{osti_35078,
title = {Fluid casting of particle-based articles},
author = {Menchhofer, P},
abstractNote = {A method is disclosed for the production of articles made of a particle-based material; e.g., ceramics and sintered metals. In accordance with one aspect of the invention, a thermally settable slurry containing a relatively high concentration of the particles is introduced into an immiscible, heated fluid. The slurry sets hardens into a shape determined by the physical characteristics of the fluid and the manner of introduction of the slurry into the fluid. For example, the slurry is pulse injected into the fluid to provide spherical articles. The hardened spheres may then be sintered to consolidate the particles and provide a high density product. 1 figure.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1995},
month = {3}
}