This composite material includes reinforcing hybrid fiber mixture material in a matrix of metal which is aluminum, magnesium, copper, zinc, lead, tin, or an alloy having these as principal components. The hybrid fiber mixture is a mixture of alumina fiber material and mineral fiber material. The alu
This composite material includes reinforcing hybrid fiber mixture material in a matrix of metal which is aluminum, magnesium, copper, zinc, lead, tin, or an alloy having these as principal components. The hybrid fiber mixture is a mixture of alumina fiber material and mineral fiber material. The alumina fiber material has principal components of at least about 80% by weight of Al2O3 and remainder substantially SiO2. And the mineral fiber material has as principal components SiO2, CaO, and Al2O3, the content of MgO being less than or equal to 10% by weight, the content of Fe2O3 being less than or equal to 5% by weight, and the content of other inorganic substances being less than or equal to 10% by weight, with the percentage of non fibrous particles being less than or equal to 20% by weight, and with the percentage of non fibrous particles with diameters greater than 150 microns being less than or equal to 7% by weight. The volume proportion of the reinforcing hybrid fiber material is at least 1%. The qualities of this composite material with regard to wear, wear on a mating member, and bending strength are good.
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A composite material, consisting essentially of: (a) a reinforcing material which is a hybrid fiber mixture material consisting essentially of: (a1) an effective amount of a reinforcing alumina fiber material with the principal components being at least about 80% by weight of Al2O3 and the remainder
A composite material, consisting essentially of: (a) a reinforcing material which is a hybrid fiber mixture material consisting essentially of: (a1) an effective amount of a reinforcing alumina fiber material with the principal components being at least about 80% by weight of Al2O3 and the remainder substantially SiO2; and (a2) an effective amount of a reinforcing mineral fiber material having as the principal components SiO2, CaO, and Al2O3, the content of included MgO therein being less than or equal to about 10% by weight, the content of included Fe2O3 therein being less than or equal to about 5% by weight, and the content of other inorganic substances included therein being less than or equal to about 10% by weight, with the percentage of non-fibrous particles included therein being less than or equal to about 20% by weight, and with the percentage of non-fibrous particles with diameters greater than about 150 microns included therein being less than or equal to about 7% by weight; and (b) a matrix metal selected from the group consisting of aluminum, magnesium, copper, zinc, lead, tin, and alloys having these metals as principal components; and wherein the volume proportion of said hybrid fiber mixture material in said composite material is at least 1%.
Dinwoodie John (Eastham Wirral GB2) Stacey Martyn H. (Northwich GB2) Taylor Michael D. (Gt Barrow GB2) Walker Andrew M. (Guilden Sutton GB2), Fibre-reinforced metal matrix composites.
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