Patent ID: 6811745
Filing Date: 2004-11-02
Classification: B22F,F41H

Abstract:
A method of making a metal-clad, cermet-filled, annular-shaped article comprising the steps of:a. providing a metallic, annular, hollow form having an inner wall and an outer wall; b. filling said hollow form with a particulate mixture of ceramic and metal; c. closing, evacuating, and hermetically sealing said form; d. heating said filled, evacuated, and sealed form to an appropriate sintering temperature; e. placing said heated, evacuated, filled, and sealed form inside a cavity which fits the outside of said form; and f. applying force between said inner wall and said outer wall of said heated and evacuated, filled and sealed form to expand said inner wall to consolidate said particulate mixture into solid cermet to produce a metal-clad, cermet-filled annular-shaped article.