Abstract: A method to prepare a composite laminate object containing an extrusion grade 7xxx Al substrate and a fiber-reinforced polypropylene layer adhesively laminated to the substrate; is provided. The process includes shaping and cutting an extruded 7xxx aluminum to a profile, assembling a layered arrangement of the 7xxx Al profile as substrate, an adhesive film and a fiber reinforced polypropylene preform, heating the layered arrangement to a temperature of 160-175° C. to melt the polypropylene and activate the adhesive film, applying pressure to at least a surface of the fiber reinforced polypropylene preform to mold the preform to the shape of the extruded 7xxxAl substrate and obtain a semi-finished laminate object, cooling the semi-finished laminate object to 90° C., optionally, cooling the semi-finished laminate object to room temperature for inventory storage; heat treating the semi-finished laminate object at 90° C. for 2 to 8 hours; and then heat treating the semi-finished laminate object at 130° C.

Abstract: A bumper beam for a vehicle including a bumper beam body having a tubular portion extending in a vehicle width direction, the bumper beam having a metal section and a composite section, wherein the metal section and the composite section are coaxial, the composite portion being along an inner surface of the metal section.

Abstract: A method to prepare a composite laminate object containing an extrusion grade 7xxx Al substrate and a fiber-reinforced polypropylene layer adhesively laminated to the substrate; is provided. The process includes shaping and cutting an extruded 7xxx aluminum to a profile, assembling a layered arrangement of the 7xxx Al profile as substrate, an adhesive film and a fiber reinforced polypropylene preform, heating the layered arrangement to a temperature of 160-175° C. to melt the polypropylene and activate the adhesive film, applying pressure to at least a surface of the fiber reinforced polypropylene preform to mold the preform to the shape of the extruded 7xxxAl substrate and obtain a semi-finished laminate object, cooling the semi-finished laminate object to 90° C., optionally, cooling the semi-finished laminate object to room temperature for inventory storage; heat treating the semi-finished laminate object at 90° C. for 2 to 8 hours; and then heat treating the semi-finished laminate object at 130° C.

Abstract: This vehicle mechanical component includes a mechanical component body, a heat insulating layer formed on the mechanical component body, and a protective layer formed on the heat insulating layer and including an inorganic compound that includes an alkoxide and scale-like inorganic solid particles dispersed in the inorganic compound.

Abstract: This vehicle mechanical component includes a mechanical component body, a heat insulating layer formed on the mechanical component body, and a protective layer formed on the heat insulating layer and including an inorganic compound that includes an alkoxide and scale-like inorganic solid particles dispersed in the inorganic compound.

Abstract: Any one or more members of an engine, that is, a piston, a cylinder head and a valve, has a wall face disposed face-to-face to a combustion chamber, and the wall face is coated by a heat-insulation coating film. The heat-insulation coating film includes a heat-insulative layer formed on a surface of the wall face, and an inorganic-system coated-film layer formed on a surface of the heat-insulative layer. The heat-insulative layer includes a resin, and first hollow particles buried inside the resin and exhibiting an average particle diameter being smaller than a thickness of the heat-insulative layer. The inorganic-system coated-film layer includes an inorganic compound.

Abstract: A silicon-containing curing composition including a specific amount of a silicon-containing polymer having an Mw of 300 to 100,000 obtained by hydrolysis and condensation of an organosilane mixture containing specific amounts of organosiloxanes of formulae (1-1) through (1-5); a specific amount of a prepolymer containing at least two Si—H groups per molecule obtained by hydrosilylation between a cyclic siloxane compound of formula (2) and a compound of formula (3-1), (3-2), or (3-3); a specific amount of a linear siloxane compound containing more than one carbon-carbon double bond reactive with Si—H or Si—CH3 per molecule; specific amounts of an organic peroxide and a metal catalyst; and a specific amount of a filler. The details for the formulae (1-1) to (1-5), (2), (3-1) to (3-3) are as described in the specification.

Abstract: Any one or more members of an engine, that is, a piston, a cylinder head and a valve, has a wall face disposed face-to-face to a combustion chamber, and the wall face is coated by a heat-insulation coating film. The heat-insulation coating film includes a heat-insulative layer formed on a surface of the wall face, and an inorganic-system coated-film layer formed on a surface of the heat-insulative layer. The heat-insulative layer includes a resin, and first hollow particles buried inside the resin and exhibiting an average particle diameter being smaller than a thickness of the heat-insulative layer. The inorganic-system coated-film layer includes an inorganic compound.

Abstract: A silicon-containing curing composition including a specific amount of a silicon-containing polymer having an Mw of 300 to 100,000 obtained by hydrolysis and condensation of an organosilane mixture containing specific amounts of organosiloxanes of formulae (1-1) through (1-5); a specific amount of a prepolymer containing at least two Si—H groups per molecule obtained by hydrosilylation between a cyclic siloxane compound of formula (2) and a compound of formula (3-1), (3-2), or (3-3); a specific amount of a linear siloxane compound containing more than one carbon-carbon double bond reactive with Si—H or Si—CH3 per molecule; specific amounts of an organic peroxide and a metal catalyst; and a specific amount of a filler. The details for the formulae (1-1) to (1-5), (2), (3-1) to (3-3) are as described in the specification.

Abstract: A curable composition includes: 100 parts by mass of a silicon-containing polymer having a Mw of 3,000 to 100,000 obtainable by hydrolysis-condensation of an organosilane mixture including R1SiX3, R2SiX3, R3R4SiX2 and R5SiX3, the total of R2SiX3 and R3R4SiX2 being 5 to 60 mol %, optionally a prepolymer, optionally a cyclic siloxane compound, 0.0001 to 10 parts by mass of an organic peroxide and optionally a metal catalyst, and 10 to 1,500 parts by mass of a filler, wherein R1 is a C2-6 alkenyl group, R2 is a C1-6 alkyl group, R3 and R4 are each a C1-6 alkyl group, R5 is a phenyl group optionally substituted with a C1-6 alkyl group, and X is a C1-6 alkoxy group, one or more of R2 to R4 is a methyl group, f represents a number of 2 to 10, g represents a number of 0 to 8, and n represents 1 or 2.

Abstract: An engine includes a cylinder block having a bore, a piston fitted into the bore so as to form a combustion chamber and to be able to reciprocate, a cylinder head for closing the combustion chamber and having valve bores communicating with the combustion chamber, and valves for opening and closing the valve bores. A heat insulating coating is applied on a wall face of at least one of the piston, the cylinder head, and the valves and facing the combustion chamber. The heat insulating coating includes resin and a plurality of hollow nanoparticles embedded in the resin, smaller in diameter than a thickness of the heat insulating coating, and smaller than or equal to 500 nanometers in size.

Abstract: An aluminum alloy member includes a main body including an aluminum alloy serving as a base material, and an electrolytic oxidation ceramic coating coated at a portion of a surface of the main body and including a most outer layer and an inner layer which is arranged close to the main body relative to the most outer layer, the inner layer in which an aluminum oxide is richer than the most outer layer, the most outer layer in which a volume of a titanium oxide or a total volume of the titanium oxide and a zirconium oxide is richer than the inner surface.

Abstract: A curable composition includes: 100 parts by mass of a silicon-containing polymer having a Mw of 3,000 to 100,000 obtainable by hydrolysis-condensation of an organosilane mixture including R1SiX3, R2SiX3, R3R4SiX2 and R5SiX3, the total of R2SiX3 and R3R4SiX2 being 5 to 60 mol %, optionally a prepolymer, optionally a cyclic siloxane compound, 0.0001 to 10 parts by mass of an organic peroxide and optionally a metal catalyst, and 10 to 1,500 parts by mass of a filler, wherein R1 is a C2-6 alkenyl group, R2 is a C1-6 alkyl group, R3 and R4 are each a C1-6 alkyl group, R5 is a phenyl group optionally substituted with a C1-6 alkyl group, and X is a C1-6 alkoxy group, one or more of R2 to R4 is a methyl group, f represents a number of 2 to 10, g represents a number of 0 to 8, and n represents 1 or 2.

Abstract: An aluminum alloy member includes a main body including an aluminum alloy serving as a base material, and an electrolytic oxidation ceramic coating coated at a portion of a surface of the main body and including a most outer layer and an inner layer which is arranged close to the main body relative to the most outer layer, the inner layer in which an aluminum oxide is richer than the most outer layer, the most outer layer in which a volume of a titanium oxide or a total volume of the titanium oxide and a zirconium oxide is richer than the inner surface.

Abstract: An aluminum alloy member includes a main body including an aluminum alloy serving as a base material, and an electrolytic oxidation ceramic coating coated at a portion of a surface of the main body and including a most outer layer and an inner layer which is arranged close to the main body relative to the most outer layer, the inner layer in which an aluminum oxide is richer than the most outer layer, the most outer layer in which a volume of a titanium oxide or a total volume of the titanium oxide and a zirconium oxide is richer than the inner surface.

Abstract: A piston has a piston body made of a material selected from any one of aluminum, an aluminum alloy, magnesium, and a magnesium alloy. An entire surface or a predetermined portion of the surface of the piston body is covered with a plasma oxide film.

Abstract: A piston has a piston body made of a material selected from any one of aluminum, an aluminum alloy, magnesium, and a magnesium alloy. An entire surface or a predetermined portion of the surface of the piston body is covered with a plasma oxide film.

Abstract: A variable valve timing control device includes a rotation member for opening or closing a valve, a rotation transmission member engaged with the rotation member to be relatively rotatable, a vane provided on either one of the rotation member or the rotation transmission member, a hydraulic chamber formed between the rotation member and the rotation transmission member and including an advance angle chamber and a retarded angle chamber, the advance angle chamber and the retarded angle chamber being formed by dividing the hydraulic chamber by the vane, a first hydraulic passage for supplying and discharging a fluid to the advance angle chamber, and a second hydraulic passage for supplying and discharging the fluid to the retarded angle chamber. The vane includes a surface hardness determined to be higher than a surface hardness of a sliding surface of the rotation member or the rotation transmission member for sliding the vane.

Abstract: A sliding mechanism includes a first sliding member made of an aluminum alloy material, the aluminum alloy material being supplemented with at least an element selected from Sb ranging from 0.05 to 0.20 weight %, Na ranging from 0.001 to 0.01 weight %, Sr ranging from 0.001 to 0.05 weight %, and Ca ranging from 0.0005 to 0.01 weight %; and a second sliding member arranged so as to be brought into sliding engagement with the first sliding member. The second sliding member is made of a material which is obtained by caking a rapidly solidified aluminum powder containing therein at least an Si element and a Fe element. Preferably, the Si element has an average particle diameter of 3 ?m or less.

Abstract: A variable valve timing control device includes a rotation member for opening or closing a valve, a rotation transmission member engaged with the rotation member to be relatively rotatable, a vane provided on either one of the rotation member or the rotation transmission member, a hydraulic chamber formed between the rotation member and the rotation transmission member and including an advance angle chamber and a retarded angle chamber, the advance angle chamber and the retarded angle chamber being formed by dividing the hydraulic chamber by the vane, a first hydraulic passage for supplying and discharging a fluid to the advance angle chamber, and a second hydraulic passage for supplying and discharging the fluid to the retarded angle chamber. The vane includes a surface hardness determined to be higher than a surface hardness of a sliding surface of the rotation member or the rotation transmission member for sliding the vane.