Reinforced composite material including a magnesium alloy matrix

Stock material or miscellaneous articles – All metal or with adjacent metals – Embodying fibers interengaged or between layers

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428614, C22C 109

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active

055499767

ABSTRACT:
According to the present invention, a composite material including a magnesium alloy containing zirconium with a graphite or carbon fiber reinforcement is provided. The material is prepared by infiltration of the reinforcement by a liquid magnesium alloy containing 0.3 to 1% by weight zirconium at a temperature of 650.degree. to 850.degree. C. Under these conditions, a zirconium carbide layer containing magnesium in solid solution is formed on the fibers. This results in wetting of the fibers by melted magnesium and good adhesion between the fibers and the matrix, without any deterioration in the mechanical characteristics of the fibers.

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Chemical Abstract CA 106: 161024h "Manufacture of Graphite fiber-reinforced composite", vol. 106, 1987 (No month).
Chemical Abstract CA 106: 54243g "Surface treatment to promote carbon/magnesium bonding", vol. 106, 1987 (No month).

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