Refractory aluminide/reinforced aluminum composite materials

Details Refractory aluminide/reinforced aluminum composite materials Refractory aluminide/reinforced aluminum composite materials

1996-06-26

1997-12-16

Andrews, Melvyn

Metal treatment

Stock

Aluminum base

420528, C22C 2100

Patent

active

056980493

ABSTRACT:
A method for producing aluminum matrix composites containing refractory aluminide whiskers or particulates which are formed in-situ is disclosed. Aluminum and refractory metal materials are blended in powder form and then heated to a temperature above the melting point of aluminum. A solid/liquid reaction between the molten aluminum and solid refractory metal provides a desired volume fraction of refractory aluminide reinforcement phase (in situ whiskers or particulates). Upon cooling the molten, unreacted portion of aluminum solidifies around the in situ reinforcements to create the improved composite material.

REFERENCES:
patent: 5015440 (1991-05-01), Bowden
patent: 5427735 (1995-06-01), Ritter et al.

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