Compositions: ceramic – Ceramic compositions – Refractory
Patent
1986-09-16
1990-08-14
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Refractory
501 87, 501 96, 264 60, 264 62, 264 65, C04B 3500
Patent
active
049487647
ABSTRACT:
The invention comprises a method of making self-supporting ceramic and ceramic composite structures by the oxidation reaction of a body of molten parent metal precursor with a vapor-phase oxidant to form an oxidation reaction product. This reaction or growth is continued to form a thick, self-supporting ceramic or ceramic composite body. The body is recovered and in a separate subsequent operation, at least a poriton of a surface is coated with one or more materials in order to effect desired changes in the properties of the surface, e.g., hardness, corrosion resistance.
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"Oxdiation of Molten Aluminum Alloys, Reaction With Refractories"-M. Drouzy and M. Richard-Mar., 1974-Fonderie, France, No. 332, pp. 121-128.
"Refractories for Aluminum Alloy Melting Furnaces"-B. Clavaud and V. Jost-Sep., 1980-Lillian Brassinga (from French) Jan., 1985.
Gesing Adam J.
Newkirk Marc S.
Bell Mark L.
Boyer Michael K.
Group Karl
Lanxide Technology Company, LP
McShane William E.
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