Process for producing fiber-reinforced metal composite material

Details Process for producing fiber-reinforced metal composite material Process for producing fiber-reinforced metal composite material

B - Operations, Transporting

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F

75/1.2

B22F 3/10 (2006.01) C22C 47/08 (2006.01) C22C 49/06 (2006.01)

Patent

CA 1213157

- 1 - Abstract: The invention provides a process for producing a fiber-reinforced metal composite material which involves mixing inorganic fibers with an aluminum alloy at a temperature at or above the melting point of the alloy. A composite material of improved physical properties is then produced by either of the two following alternative procedures. In a first procedure the composite is removed from the mold at a temperature that is not higher than the solid phase line of the alloy (i.e., the temperature at which a liquid phase appears in the alloy). The composite is then heated to a temperature above the solid phase line and the elevated temperature is held for a definite period of time (heat treat- ment). In a second procedure the composite is quenched to a temperature of 200°C or lower from a temperature above the solid phase line but below the melting temperature. This quenching is done quickly before allowing the composite to cool to a temperature that is not higher than the solid phase line.

416712

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