Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By mechanically introducing gas into material
Patent
1988-06-24
1989-04-11
Cintins, Ivars
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
By mechanically introducing gas into material
264 60, 264 82, C04B 3560
Patent
active
048204617
ABSTRACT:
Production of composite ceramic articles using a porous bed or preform of filler material with a molten metal in the presence of a vapor phase oxident, for effecting infiltrating growth of a polycrystalline matrix of a metal-oxidant reaction product into the filler bed or preform, wherein the filler material bed or preform has a first pore system of coarse interconnected pores, and a second pore system of finer interconnected pores defined by portions of the filler material which remain structurally stable in pore-defining arrangement during infiltration.
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"Oxidation of Molten Aluminum Alloys. Reaction with Refractories" by M. Drouzy and M. Richard-Mar. 1974-Fonderie, France No. 332, pp. 121-128.
"Refractories for Aluminum Alloy Melting Furnaces" by B. Clavaud and V. Jost, Sep. 1980-Trans. Lillian Brassinga Jan. 1985.
Creber Dave K.
Gesing Adam J.
Cintins Ivars
Lanxide Technology Company, LP
Mortenson Mark G.
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