Ceramic foams

Details Ceramic foams Ceramic foams

1991-10-28

1993-02-09

Group, Karl

Compositions: ceramic

Ceramic compositions

Pore-forming

501 85, 501 98, 501127, 252516, 252518, C04B 3800

Patent

active

051852977

ABSTRACT:
Ceramic foams in which the open cells are connected by a three-dimensional, substantially continuous ceramic matrix formed of interconnected hollow ligaments, are made from an open-cell, reticulated precursor metal, i.e. a metal foam. The precursor metal first is treated so as to allow a support coating to form thereon, and thereafter the coated precursor is heated above the melting point of the metal in the presence of an oxidant to form an oxidation reaction product.

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patent: 5061660 (1991-10-01), Park et al.
"Oxidation 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.

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