C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
25/123
C04B 35/65 (2006.01) B22F 3/12 (2006.01) C04B 35/10 (2006.01)
Patent
CA 1308887
35 TITLE ASSEMBLY FOR MAKING CERAMIC COMPOSITE STRUCTURES AND METHOD OF USING THE SAME APPLICANT LANXIDE TECHNOLOGY COMPANY, LP INVENTOR Marc Stevens NEWKIRK -and- Harold Daniel LESHER ABSTRACT An assembly for the preparation of ceramic composite structures includes a segmented container within which a permeable filler is retained and a parent metal body is contacted with the bed of permeable filler. The segmented container is comprised of one or more segments made of a material, such as an INCONEL alloy, which has a coefficient of thermal expansion which is significantly greater than that of the filler. The segments are arranged to define between or among them one or more expansion joints which are effective to accommodate circumferential thermal expansion of the segments to thereby inhibit or prevent volumetric expansion of the container. A method of forming ceramic composite structures includes heating the resulting assembly in the presence of an oxidant to melt and oxidize the parent metal, e.g., aluminum, to form a polycrystalline material comprising an oxidation reaction product which grows through the mass of filler to embed it and thus form the composite structure.
556690
Lesher Harold D.
Newkirk Marc S.
Lanxide Technology Company Lp
Lesher Harold D.
Mitches & Co.
Newkirk Marc S.
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