Plastic and nonmetallic article shaping or treating: processes – Including step of generating heat by friction
Patent
1993-06-25
1995-05-30
Fiorilla, Christopher A.
Plastic and nonmetallic article shaping or treating: processes
Including step of generating heat by friction
264109, C04B 35634
Patent
active
054198607
ABSTRACT:
A method for the production of hollow 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 coated onto a prewarmed continuous surface in a relatively thin layer so that the slurry is substantially uniformly coated on the surface. The heat of the prewarmed surface conducts to the slurry to initiate a reaction which causes the slurry to set or harden in a shape conforming to the surface. The hardened configurations may then be sintered to consolidate the particles and provide a high density product.
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Publication entitled "Gelcasting of Alumina".
IBM Technical Disclosure Bulletin vol. 14, No. 10 (Mar. 1972) (1 page).
Fiorilla Christopher A.
Fox Robert O.
Graham Mark S.
Marasco Joseph A.
Martin Marietta Energy Systems Inc.
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