Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1987-11-30
1990-07-03
Lesmes, George F.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
428403, 428406, 428545, 428547, 428548, 428551, 428553, 428558, 428556, 428565, 75230, 75232, 75233, 75234, 75235, B32B 1702, C22C 2912
Patent
active
049390384
ABSTRACT:
A light metallic composite material containing therein fine granular additives dispersed in a matrix of a light metallic material, which composite material has a light weight, high mechanical strength, and excellent characteristics such as high damping ability. The additives each have a density less than that of the matrix and heat resistance enough to withstand a heating temperature at which they are composited with the matrix. Preferably, the additives are each formed with a coating which increases mechanical strength and provides an electromagnetic characteristic different from that of the matrix. Preferably, the composite material is produced by heating a mixture of matrix powders and additives up to a temperature where only part of the mixture including no microspheres is softened but the mixture is adequately composited, an amount of additives being equal to 10% to 70% by volume of the matrix, and by forming the composited mixture into a desired shape and solidifying same.
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patent: 4565744 (1986-01-01), Walter et al.
patent: 4605594 (1986-08-01), Owens et al.
patent: 4623388 (1986-11-01), Jaktar et al.
Brown Christopher
Inabata Techno Loop Corporation
Lesmes George F.
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