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:
Jun. 06, 2006
Filed:
Dec. 30, 2002
K. Scott Weil, Richland, WA (US);
John S. Hardy, Richland, WA (US);
Jin Yong Kim, Richland, WA (US);
K. Scott Weil, Richland, WA (US);
John S. Hardy, Richland, WA (US);
Jin Yong Kim, Richland, WA (US);
Battelle Memorial Institute, Richland, WA (US);
Abstract
A method of joining metal and ceramic parts, wherein an alumina forming metal part and a ceramic part are provided. A braze material in placed between the alumina forming metal part and the ceramic part, and the combination is then heated in an oxidizing atmosphere, preferably in air at a temperature of between 500° C. and 1300° C. The alumina forming metal parts are selected from the group consisting of high temperature stainless steels, such as Durafoil (alpha-4), Fecralloy, Alumina-coated 430 stainless steel and Crofer-22APU, and high temperature superalloys such as Haynes 214, Nicrofer 6025, and Ducraloy. The braze material is selected as a metal oxide-noble metal mixture, preferably Ag—CuO, Ag—VO, and Pt—NbO, and more preferably between 30.65 to 100 mole % Ag in CuO.