Layered composite
AssigneesToyo Kohan Co., Ltd., Suncorona Oda Co., Ltd.
InventorsHiroki Yanaga, Hirofumi Tashiro, Hideki Yamagata, Keisuke Sone, Masaki Kobayashi
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Abstract
[Object] The purpose of the present invention is to provide a layered composite that is high in both flexural modulus and moldability. [Solving Means] Provided is a layered composite including a carbon-fiber-reinforced resin in which a chopped strand prepreg obtained by impregnating fiber in resin is oriented in such a manner as to exhibit pseudo-isotropic properties, and a steel plate that is layered on at least one surface of the carbon-fiber-reinforced resin and has a tensile breakage elongation ϕ of equal to or more than 20%, the flexural modulus in a flat plate state obtained in compliance with ASTM D-790 being equal to or more than 30 GPa.
Claims4
A layered composite comprising:
- a carbon-fiber-reinforced resin in which a chopped strand prepreg including carbon fiber tow impregnated with resin is oriented in such a manner as to exhibit pseudo-isotropic properties;
- and
- a steel plate that is layered on at least one surface of the carbon-fiber-reinforced resin and has a tensile breakage elongation ϕ of equal to or more than 20%,
- wherein a flexural modulus of the layered composite in a flat plate state obtained in compliance with American Society for Testing and Materials D-790 is equal to or more than 30 GPa, and
- wherein the steel plate has a value S of the following formula of equal to or more than 7.5, wherein S [mm]=(thickness t [mm] of steel plate×tensile breakage elongation ϕ)/(frictional coefficient μ of steel plate), and the tensile breakage elongation ϕ is expressed in percent.
Dependencies are inferred from the claim text.