Composite material with carbon reinforcing fibers and magnesium

Details Composite material with carbon reinforcing fibers and magnesium Composite material with carbon reinforcing fibers and magnesium

1985-04-16

1986-07-15

O'Keefe, Veronica

Stock material or miscellaneous articles

All metal or with adjacent metals

Laterally noncoextensive components

428608, 428610, 420411, 420408, B32B 502, B32B 700

Patent

active

046006613

ABSTRACT:
This composite material includes reinforcing carbon fibers and a matrix metal which is an alloy containing from 2% to about 8% by weight of Zn, less than about 2% by weight of Zr, less than about 1% by weight of Al, and balance substantially Mg. Thereby, the strength of the composite material is found to be substantially improved. Preferably, the content of Zn in the matrix metal may be from 3% to about 7.5% by weight, even more preferably this content of Zn in the matrix metal may be from 4.5% to about 7% by weight, and optimally it may be 6% by weight. Preferably, the content of Zr in the matrix metal is less than about 0.18% by weight, and preferably the content of Al in the matrix metal is less than about 0.6% by weight. The carbon fibers may desirably be high strength carbon fibers, i.e. carbon fibers which have low graphitization level.

REFERENCES:
patent: 4465741 (1984-08-01), Yamatsuta et al.
patent: 4489138 (1984-12-01), Yamatsuta et al.

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