Fluid casting of particle-based articles
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United States of America Patent
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Mar 28, 1995
Grant Date -
N/A
app pub date -
Jun 25, 1993
filing date -
Jun 25, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method 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 or 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.
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