The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 23, 1993
Filed:
Feb. 25, 1991
Aleksander J Pyzik, Midland, MI (US);
Jack Ott, Hemlock, MI (US);
The Dow Chemical Company, Midland, MI (US);
Abstract
A method of infiltrating a porous ceramic compact with a molten metal to form a cermet is disclosed. A solid-phase metal is disposed on a surface of a porous ceramic compact. The surface of the porous ceramic compact is at an angle to the horizontal which is sufficient to allow molten metal formed from the solid-phase metal to rupture an oxide layer at least partially supporting the molten metal. The solid-phase metal is heated to a temperature sufficient to melt the solid-phase metal and to allow the molten metal formed to rupture the oxide layer. The molten metal flows through an opening in the metal oxide layer formed by the rupture and infiltrates the porous ceramic compact. The porous ceramic compact, containing the molten metal, is then cooled to a temperature whereby the molten metal solidifies, thereby forming a cermet.