Mazda Motor Corporation

Tsuguhisa Miyamoto

Yoshihisa Nou

Yuma Miyauchi

Kazuo Ichikawa

Akihide Takami

Yukihiro Sugimoto

Katsuya Nishiguchi

Yushi Matsuda

Koujirou Tanaka

Yasuhiro Morita

Chiaki Asano

Satoko Shimada

Disclosed is a method for joining a metal member and a thermosetting resin member together with a thermoplastic resin interposed therebetween.

Method for joining metal member and thermosetting resin member, and metal member, thermosetting resin member, and thermoplastic resin sheet for use therein

A cylinder block includes a body part where a cylinder is formed, an outer wall part made of fiber reinforced resin and surrounding an outer circumference of the body part, and a metal member attached to the outer wall part. The outer wall part is comprised of an inner layer surrounding the outer circumference of the body part, and an outer layer surrounding an outer circumference of the inner layer. A density of reinforcing fiber contained in the outer layer is higher than a density of reinforcing fiber contained in the inner layer. The metal member is attached to the outer wall part so as to contact the outer layer. The reinforcing fiber contained in the outer layer has an electric insulating property.

Cylinder block

A cylinder block includes a metal body part having a cylinder, and an outer wall part made of fiber reinforced resin, surrounding an outer circumference of the body part. A part of the outer wall part at BDC side in a cylinder axis direction contacts a bottom wall forming part. The outer wall part is comprised of an inner layer surrounding the outer circumference of the body part, and an outer layer surrounding an outer circumference of the inner layer. A density of reinforcing fiber contained in the outer layer is higher than that in the inner layer. A thickness of a part of the inner layer at BDC side in the cylinder axis direction is greater than that of the TDC-side inner layer. A thickness of a part of the outer layer at TDC side in the cylinder axis direction is greater than that of the BDC-side outer layer.

A thermoplastic resin molding according to the present invention contains carbon fibers. An amount of the carbon fibers falls within a range from 0.4 mass % to 10 mass %. An average length of the carbon fibers falls within a range from 0.5 mm to 15 mm. The thermoplastic resin is polypropylene. The polypropylene includes polypropylene containing at least one of a carboxyl group, a carbonyl group, or a hydroxyl group. Surfaces of the carbon fibers contain at least one of a carboxyl group, a carbonyl group, a hydroxyl group, or a Cl group.

Thermoplastic resin moulded article, and production method for thermoplastic resin moulded article

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Aki-gun, Japan

Tsuguhisa Miyamoto