Plastic and nonmetallic article shaping or treating: processes – Including step of generating heat by friction
Patent
1988-06-13
1989-05-30
Cintins, Ivars
Plastic and nonmetallic article shaping or treating: processes
Including step of generating heat by friction
264 82, C04B 3560
Patent
active
048349259
ABSTRACT:
A method of producing shaped, self-supporting ceramic bodies includes preparing a mold by applying a gas-permeable, conformable material to a shape-defining surface of a shaped parent metal. The gas-permeable material, when set or stable, provides a mold with a shaped surface which is defined by, and is therefore substantially congruent to, the shape-defining surface. Upon heating, the parent metal melts and flows from the mold into a receptacle without disturbing the mold. Oxidation reaction product is then grown by oxidation of the molten parent metal with a vapor-phase oxidant to form an oxidation reaction produce which grows into the mold cavity and is shaped by it. A ceramic body is recovered from the mold and has substantially the same shape as the pattern section of the original shaped parent metal.
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Cintins Ivars
Lanxide Technology Company, LP
McShane William E.
Mortenson Mark G.
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