Composite materials including metallic matrix composite reinforcements
First Claim
1. A solid composite material comprising a continuous matrix having composite reinforcements disposed therein, the composite reinforcements comprising an intermetallic matrix with ceramic particulates dispersed therein.
3 Assignments
0 Petitions
Accused Products
Abstract
Composite materials are disclosed comprising a continuous matrix with composite reinforcements therein. The composite materials may include a continuous metal, metal alloy or intermetallic matrix with intermetallic matrix composite reinforcements dispersed therein. Suitable metals for the continuous matrix include Al, Ti, Cu and Fe, and alloys and intermetallics thereof. The composite reinforcements comprise ceramic particles dispersed in a continuous intermetallic matrix. Suitable intermetallics include alumnides of Ti, Cu, Ni, Mg and Fe, while suitable ceramics include refractory metal borides, carbides, nitrides, silicides and sulfides. In one embodiment, the ceramic particles are formed in-situ within the intermetallic matrix of the composite reinforcements. The composite materials are produced by powder metallurgical techniques wherein powders of the continuous matrix component and powders of the composite reinforcement are blended and consolidated. The composite materials may be subjected to deformation processes such as extruding, rolling and forging during or after the consolidation step to provide materials with improved properties.
-
Citations
30 Claims
- 1. A solid composite material comprising a continuous matrix having composite reinforcements disposed therein, the composite reinforcements comprising an intermetallic matrix with ceramic particulates dispersed therein.
- 26. A solid composite material comprising an elemental metal, metal alloy or intermetallic continuous matrix having composite reinforcements disposed therein, the composite reinforcements comprising an elemental metal, metal alloy or intermetallic matrix having a melting temperature below the melting temperature of the continuous matrix.
Specification