The Morgan Crucible Company Plc

David J Kepniss

Toshimasa Oyama

The present invention is directed to brazing filler metals that can be used in the infiltration brazing of porous matrix materials without the need for a flux. The brazing filler metals contain two different Group II metals and a third metal of Group 9 and 10. A particular brazing filler metal of the invention contains silver, copper, and nickel. The invention is also directed to composite materials formed by infiltration of the brazing material into a porous matrix, and to methods for preparing the composite materials. The invention is further directed to composite articles fabricated from composite materials, including steel bearings or bushings, and to methods of preparing the composite articles.

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Redwood City, CA, United States of America

David J Kepniss