Abstract: A bumper reinforcement includes a front wall, a rear wall disposed behind the front wall, at least one horizontal wall connecting the front wall and the rear wall, and a cutout in the at least one horizontal wall. The cutout extends laterally inward from a lateral end of the at least one horizontal wall. The cutout divides a lateral end portion of the bumper reinforcement between a front end portion located in front of the cutout and a rear end portion located behind the cutout. The front end portion includes a protruded portion which is bent rearward to be tilted with respect to the rear wall and protrudes laterally outward further than a lateral end of the rear end portion.

Abstract: Provided is a battery assembly structure including: a holding panel that holds a bottom part of a battery module; a pair of mounting brackets coupled to both ends of the holding panel and standing upright so as to face both end surfaces of the battery module; and an elastic member disposed between an inner surface of at least one of the pair of mounting brackets and at least one end surface of the end surfaces of the battery module.

Abstract: There is provided a vehicle structure including: left and right side members; left and right impact absorbing members; and mounting members that have: first tubular portions, which are fastened to the side members and the impact absorbing members for a vehicle by first fastening members that are inserted through interiors of the first tubular portions, second tubular portions, which are fastened to the side members and the impact absorbing members for a vehicle by second fastening members that are inserted through interiors of the second tubular portions, and connecting portions, which connect the first tubular portions and the second tubular portions in the vehicle vertical direction and which include vertical wall portions that are plate-shaped and project out further toward an insertion direction side than insertion direction side end surfaces of the impact absorbing members for a vehicle and face or abut end portions of the reinforcing ribs.

Abstract: A method for manufacturing a bent article using an aluminum alloy with high strength and excellent corrosion resistance comprises: extruding a cast billet of an aluminum alloy including, by mass, 6.0 to 8.0% Zn, 1.50 to 3.50% Mg, 0.20 to 1.50% Cu, 0.10 to 0.25% Zr, 0.005 to 0.05% Ti, 0.3% or less Mn, 0.25% or less Sr, and the balance Al with inevitable impurities to obtain an extruded material; cooling the extruded material at an average rate of 500° C./min or less immediately after the extrusion processing; subjecting the cooled extruded material to preliminary heating treatment at a temperature within a range of 140 to 260° C. for 30 to 120 seconds within a predetermined time after the extrusion processing; bending the extruded material having undergone the preliminary heating treatment to obtain a bent article; and subjecting the bent article to artificial aging treatment.

Abstract: An extrusion apparatus includes an extruder, a run-out table that supports an extruded material that has been extruded from the extruder, a feed roller and a pulling roller that are provided at a given interval so as to be able to come in rolling contact with the extruded material that is situated on the run-out table, and a cooling section that cools the extruded material between the feed roller and the pulling roller, wherein the feed roller and the pulling roller apply a tensile force to the extruded material while the extruded material advances from the feed roller to the pulling roller.

Abstract: A high-strength aluminum alloy exhibiting excellent stress corrosion cracking resistance and excellent extrudability, and a method for producing an extruded shape using the same are disclosed. The aluminum alloy includes 1.6 to 2.6 mass % of Mg, 6.0 to 7.0 mass % of Zn, 0.5 mass % or less of Cu, and 0.01 to 0.05 mass % of Ti, with the balance being Al and unavoidable impurities.

Abstract: A protective frame structure includes: a lower frame; an intermediate frame that is interlinked with the lower frame and is situated above the lower frame; and an upper frame that is interlinked with the intermediate frame and is situated abobe the intermediate frame, wherein a mounting space in which a battery module is configured to be mounted is formed between the lower frame and the intermediate frame, an upper space is formed between the intermediate frame and the upper frame, and the intermediate frame is deformed upward when an external load has been applied to the protective frame structure.

Abstract: An apparatus and a method are disclosed that form an anodic oxide coating on part of the outer surface of a profile having an irregular cross-sectional shape. A partial anodizing apparatus that is used to partially anodize a profile having an irregular cross-sectional shape includes an electrolytic bath that is divided into two or more partial baths. The profile is held using the two or more partial baths so that part of the profile is situated outside the electrolytic bath to form a sealed electrolysis chamber.

Abstract: An apparatus and a method are disclosed that form an anodic oxide coating on part of the outer surface of a profile having an irregular cross-sectional shape. A partial anodizing apparatus that is used to partially anodize a profile having an irregular cross-sectional shape includes an electrolytic bath that is divided into two or more partial baths. The profile is held using the two or more partial baths so that part of the profile is situated outside the electrolytic bath to form a sealed electrolysis chamber.

Abstract: A high-strength aluminum alloy exhibiting excellent stress corrosion cracking resistance and excellent extrudability, and a method for producing an extruded shape using the same are disclosed. The aluminum alloy includes 1.6 to 2.6 mass % of Mg, 6.0 to 7.0 mass % of Zn, 0.5 mass % or less of Cu, and 0.01 to 0.05 mass % of Ti, with the balance being Al and unavoidable impurities.

Abstract: A surface treatment method improves the surface properties of a metal member while maintaining the metal surface texture, and a metal member is obtained by the surface treatment method. The surface-treated metal member is obtained by bringing a solution of a fluorine-based polymer into contact with a surface of an anodic oxidation coating that is formed on a surface of a metal and has not been subjected to a sealing treatment, and subjecting the anodic oxidation coating to a steam sealing treatment, the surface-treated metal member comprising a fluorine-based polymer layer having a thickness of 100 nm or less, and a composite sealed layer that is formed continuously under the fluorine-based polymer layer, the composite sealed layer having a configuration in which the fluorine-based polymer is present inside pores formed in the anodic oxidation coating.

Abstract: A pair of lateral side frames that are fixed along vehicle side members extending in a front-back direction of the vehicle on both sides of the vehicle in a width direction, a front frame that is fixed between front end parts of the lateral side frames, a rear frame that is fixed between rear end parts, and a base frame that is fixed between the front frame and the rear frame are provided. A front mounting frame for fixedly mounting the front side of a battery module on the front side of the base frame, and a rear mounting frame for mounting the rear side of the battery module on the rear side are provided respectively in the width direction of the vehicle.

Abstract: An anodized member includes a metal, and an anodic oxide coating that is formed on the surface of the metal. The surface of the anodic oxide coating includes a high-concentration layer that has a sealing metal content of 1.5 mmol/g or more. The high-concentration layer has a thickness of 0.15 ?m or more.

Abstract: A pair of lateral side frames that are fixed along vehicle side members extending in a front-back direction of the vehicle on both sides of the vehicle in a width direction, a front frame that is fixed between front end parts of the lateral side frames, a rear frame that is fixed between rear end parts, and a base frame that is fixed between the front frame and the rear frame are provided. A front mounting frame for fixedly mounting the front side of a battery module on the front side of the base frame, and a rear mounting frame for mounting the rear side of the battery module on the rear side are provided respectively in the width direction of the vehicle.

Abstract: A method includes: preparing a molten aluminum alloy consisting of 0.3-0.8 mass % Mg, 0.5-1.2 mass % Si, 0.3 mass % or more excess Si relative to the Mg2Si stoichiometric composition, 0.05-0.4 mass % Cu, 0.2-0.4 mass % Mn, 0.1-0.3 mass % Cr, 0.2 mass % or less Fe, 0.2 mass % or less Zr, and 0.005-0.1 mass % Ti, with the balance being aluminum and unavoidable impurities; casting the alloy into a billet at a speed of 80 mm/min or more and a cooling rate of 15° C./sec or more; extruding the billet into an extruded product; water cooling the product immediately after extrusion at 500° C./min or more; and artificially aging the product, thereby yielding an extruded product with fatigue strength of 140 MPa or more, fatigue ratio of 0.45 or more, an interval between striations on a fatigue fracture surface of 5.0 ?m or less, and a maximum length of Al—Fe—Si crystallized products of 10 ?m or less.

Abstract: A wear-resistant aluminum alloy extruded material that exhibits excellent fatigue strength and machinability is formed using an aluminum alloy that includes 3.0 to 8.0 mass % of Si, 0.1 to 0.5 mass % of Mg, 0.01 to 0.5 mass % of Cu, 0.1 to 0.5 mass % of Zr, 0.4 to 0.9 mass % of Fe, 0.01 to 0.5 mass % of Mn, 0.01 to 0.5 mass % of Cr, and 0.01 to 0.1 mass % of Ti, with the balance being Al and unavoidable impurities.

Abstract: A vehicular slope apparatus (1) includes a first slope section (10) that is rotatably connected to a body of a vehicle, and a second slope section (20) that is slidably connected to an extension side of the first slope section (10), the first slope section (10) including assistance mechanism (50) that applies an assistance force (Mf) in a direction in which the first slope section (10) rotates upwardly and, the assistance force (Mf) being larger than a downward moment that occurs at a center of gravity (M1) of the entire apparatus (1) when the entire apparatus (1) is horizontalized in a state in which the second slope section (20) is received within the first slope section (10), and is smaller than a downward moment that occurs at a center of gravity (M2) of the entire apparatus (1) when the second slope section (20) is extended from the first slope section (10) to a maximum extent, and the first slope section (10) rotating when the second slope section (20) has been extended to a predetermined extent so that

Abstract: An aluminum alloy extruded product includes an aluminum alloy including 6.0 to 7.2 mass % of Zn, 1.0 to 1.6 mass % of Mg, 0.1 to 0.4 mass % of Cu, at least one component selected from the group consisting of Mn, Cr, and Zr in a respective amount of 0.25 mass % or less and a total amount of 0.15 to 0.25 mass %, 0.20 mass % or less of Fe, and 0.10 mass % or less of Si, with the balance substantially being aluminum, the aluminum alloy extruded product having a hollow cross-sectional shape, a recrystallization rate of 20% or less of a cross-sectional area of the extruded product, and a 0.2% proof stress of 370 to 450 MPa.

Abstract: A method includes: preparing a molten aluminum alloy consisting of 0.3-0.8 mass % Mg, 0.5-1.2 mass % Si, 0.3 mass % or more excess Si relative to the Mg2Si stoichiometric composition, 0.05-0.4 mass % Cu, 0.2-0.4 mass % Mn, 0.1-0.3 mass % Cr, 0.2 mass % or less Fe, 0.2 mass % or less Zr, and 0.005-0.1 mass % Ti, with the balance being aluminum and unavoidable impurities; casting the alloy into a billet at a speed of 80 mm/min or more and a cooling rate of 15° C./sec or more; extruding the billet into an extruded product; water cooling the product immediately after extrusion at 500° C./sec or more; and artificially aging the product, thereby yielding an extruded product with fatigue strength of 140 MPa or more, fatigue ratio of 0.45 or more, an interval between striations on a fatigue fracture surface of 5.0 ?m or less, and a maximum length of Al—Fe—Si crystallized products of 10 ?m or less.

Abstract: A vehicular slope apparatus (1) includes a first slope section (10) that is rotatably connected to a body of a vehicle, and a second slope section (20) that is slidably connected to an extension side of the first slope section (10), the first slope section (10) including assistance mechanism (50) that applies an assistance force (Mf) in a direction in which the first slope section (10) rotates upwardly and, the assistance force (Mf) being larger than a downward moment that occurs at a center of gravity (M1) of the entire apparatus (1) when the entire apparatus (1) is horizontalized in a state in which the second slope section (20) is received within the first slope section (10), and is smaller than a downward moment that occurs at a center of gravity (M2) of the entire apparatus (1) when the second slope section (20) is extended from the first slope section (10) to a maximum extent, and the first slope section (10) rotating when the second slope section (20) has been extended to a predetermined extent so that