Abstract: There is provided a high-strength steel sheet having a tensile strength of 1180 MPa or more. The high-strength steel sheet having a component composition containing C: 0.090 mass % or more and 0.390 mass % or less, Si: 0.01 mass % or more and 2.00 mass % or less, Mn: 2.00 mass % or more and 4.00 mass % or less, P: 0.100 mass % or less, S: 0.0200 mass % or less, Al: 1.000 mass % or less, N: 0.0100 mass % or less, and O: 0.0100 mass % or less, with a remaining part consisting of Fe and inevitable impurities; and a microstructure. In the microstructure, an area ratio of martensite is 70% or more, an area ratio of ferrite is 10% or less, an area ratio of retained austenite is 10% or less, and a proportion of the number of martensite blocks in which metastable carbides are present to the number of martensite blocks is 2% or more.

Abstract: A steel sheet according to the present invention has a specific chemical composition and a steel microstructure including, in terms of area fraction, ferrite: 40% or more and 70% or less, a total of bainite and tempered martensite: 5% or more and 30% or less, retained austenite: 4% or more and 18% or less, fresh martensite: 8% or more and 35% or less, and the remainder: 5% or less. Cementite particles are present in the retained austenite, a ratio of an area fraction of the cementite particles in the retained austenite to an area fraction of the retained austenite is 5% or more and 25% or less, and the steel sheet has a tensile strength of 780 MPa or more and less than 980 MPa.

Abstract: A high strength steel sheet with a chemical composition containing C, Si, Mn, P, S, Al, N, Nb, Ti, and B, where [% Si]/[% Mn] is 0.10 or more and 0.60 or less, and free Ti content determined from Formula (1), below, is 0.001 mass % or more, with the balance being Fe and inevitable impurity. In a steel sheet surface layer, a total amount of Nb solute and 100 nm or smaller precipitate is 0.002 mass % or more. free ? Ti ? content ? ( % ) = [ % ? Ti ] - ( 47.9 / 14. ) × [ % ? N ] - ( 47.9 / 32.

Abstract: Provided is a hot-dip galvanized steel sheet that has a high YR, as well as high ductility, stretch flangeability, and bendability, improved shear workability, and a TS of 1,180 MPa or more. The base steel sheet of the hot-dip galvanized steel sheet has a defined chemical composition and steel microstructure. In particular, a number ratio of retained austenite (y) having an aspect ratio of 2.0 or less is more than 50%, a number of bins of hardness frequency: 0.25 or more is 1, the area ratio of quenched martensite in a surface layer is 80% or less, a surface layer softening thickness is 10 ?m or more and 100 ?m or less, and the amount of low temperature range diffusible hydrogen is 0.015 mass ppm or less.

Abstract: A method for manufacturing frozen noodles including a step of subjecting raw noodles or dried noodles manufactured by an ordinary method to boiling treatment to produce boiled noodles containing moisture less than moisture of the noodles after cooking, a step of applying water to surfaces of the boiled noodles by sprinkling or dipping, a step of filling a freezing container with the boiled noodles having water applied to the surfaces and an ice lump containing frozen water, and a step of subjecting the boiled noodles to freezing treatment, in which the freezing treatment is started within 120 seconds from an end of the boiling treatment.

Abstract: A method for producing a resin frame equipped membrane electrode assembly includes: a first conveyance step of supporting a sheet-shaped member having a cathode and an electrolyte membrane by a resin frame member to which the sheet-shaped member is joined and linearly conveying the supported sheet-shaped member to a pressure bonding device; a second conveyance step of conveying an anode to the pressure bonding device by way of a rotary table; and a pressure bonding step of heating and pressing the cathode and the anode from above and below by the pressure bonding device to thereby integrate the cathode and the anode together.

Abstract: A steel sheet according to the present invention has a specific chemical composition and a steel microstructure including, in terms of area fraction, ferrite: 40% or more and 70% or less, a total of bainite and tempered martensite: 5% or more and 30% or less, retained austenite: 4% or more and 18% or less, fresh martensite: 8% or more and 35% or less, and the remainder: 5% or less. Cementite particles are present in the retained austenite, a ratio of an area fraction of the cementite particles in the retained austenite to an area fraction of the retained austenite is 5% or more and 25% or less, and the steel sheet has a tensile strength of 780 MPa or more and less than 980 MPa.

Abstract: A steel sheet according to the present invention has a specific chemical composition and a steel microstructure including, in terms of area fraction, ferrite: 60% or more and 85% or less, bainite: 3% or more and 15% or less, retained austenite: 3% or more and 15% or less, fresh martensite: 3% or more and 15% or less, and the remainder: 5% or less. Cementite particles are present in the retained austenite, a ratio of an area fraction of the cementite particles in the retained austenite to an area fraction of the retained austenite is 5% or more and 25% or less, and the steel sheet has a tensile strength of 590 MPa or more and less than 780 MPa.

Abstract: The manufacturing method for the fuel cell unit includes a stacking step and a laser irradiation step. In the stacking step, a stacked portion including, stacked together, a resin frame member of a resin frame equipped membrane electrode assembly and an outer peripheral portion of a separator is placed on a metal spacer. The resin frame member at a joining target portion of the stacked portion is placed so as to face a recess of the metal spacer. In the laser irradiation step, the separator at the joining target portion in a state where the resin frame member faces the recess is irradiated with a laser beam to thereby form a welded portion where the resin frame member and the separator are welded to each other.

Abstract: A test strip container includes: an accommodating member in which a test strip is accommodated; a moving member moving the test strip therein; a door member opening and closing at a side surface of the accommodating member to discharge the test strip out of the accommodating member, and cutting the interior and the exterior of the accommodating member off from each other when closed; a door accommodating portion covering the door member, in which the door member can open and close; and a discharge opening cutting the interior and an exterior of the door accommodating portion off from each other when closed, and is provided at the door accommodating portion so as to open and close to discharge the test strip to the exterior of the door accommodating portion, the discharge opening being able to open when the accommodating member is closed by the door member.

Abstract: A test strip holder includes: a holding member at which at least a portion of a lower side of an inner periphery is a cylindrical surface having a cylindrical shape, and at whose interior a test strip is held, and at which a direction of an imaginary central axis of the cylindrical surface is a horizontal direction or a direction inclined with respect to a vertical direction; an opening portion provided in an outer surface of the holding member; a sorting member rotating at an interior of the holding member around a rotation axis that coincides with the central axis; a pushing piece projecting out from a distal end edge, which is parallel to the central axis, at the sorting member in a direction of rotation of the sorting member; and a sorting piece projecting out from a distal end of the pushing piece toward the cylindrical surface.

Abstract: In a method of producing a resin frame member for a fuel cell, a processing die is used. The method includes a processing step of moving an upper die toward a lower die to thereby form an inclined surface on each of side parts of a resin film. In the processing step, shearing is performed while maintaining a predetermined clearance between the lower processing section and the upper processing section and in a state where each of the side parts is at least partially positioned at a cutout so that each of the side parts is inclined downward toward the inside. The cutout is formed by cutting off an edge part of a placement surface that is positioned on the lower processing section side.

Abstract: A steel sheet according to the present invention has a specific chemical composition and a steel microstructure including, in terms of area fraction, ferrite: 20% or more and 60% or less, a total of bainite and tempered martensite: 25% or more and 60% or less, retained austenite: 7% or more and 20% or less, fresh martensite: 8% or more and 40% or less, and the remainder: 5% or less. Cementite particles are present in the retained austenite, a ratio of an area fraction of the cementite particles in the retained austenite to an area fraction of the retained austenite is 5% or more and 25% or less, and the steel sheet has a tensile strength of 980 MPa or more.

Abstract: A manufacturing apparatus for a fuel cell member includes a positioning device for positioning a resin frame equipped membrane electrode assembly and a separator member. This positioning device includes a base and positioning pins which are inserted into positioning holes formed in the resin frame equipped membrane electrode assembly and the separator member. Lifting members are provided around the positioning pins. The lifting member is lifted and lowered by a lifting mechanism.

Abstract: A method of manufacturing an electrode sheet by using an electrode sheet manufacturing apparatus for manufacturing the electrode sheet includes a feeding step of feeding out a sheet body from a roll on which the sheet body is wound, the sheet body including an active layer containing a catalyst laminated on a support layer, and a cutting step of forming the electrode sheet by punching the sheet body by pressing a cutting blade from a side of the support layer against the sheet body that was fed out in the feeding step.

Abstract: A resin frame member is produced by using a method of producing a resin frame member for a fuel cell. An inner peripheral end of the resin frame member includes an inclined surface formed over the entire periphery thereof. The inclined surface is inclined inward from one surface of the resin frame member toward the other surface of the resin frame member. The width of the inclined surface is gradually reduced from the center toward both ends of each side part of the inner peripheral end in a direction in which the side part of the inner peripheral end extends.

Abstract: A manufacturing apparatus for a fuel cell member includes a positioning device for positioning a resin frame equipped membrane electrode assembly and a separator member. This positioning device includes a base and positioning pins which are inserted into positioning holes formed in the resin frame equipped membrane electrode assembly and the separator member. Lifting members are provided around the positioning pins. The lifting member is lifted and lowered by a lifting mechanism.

Abstract: The manufacturing method for the fuel cell unit includes a stacking step and a laser irradiation step. In the stacking step, a stacked portion including, stacked together, a resin frame member of a resin frame equipped membrane electrode assembly and an outer peripheral portion of a separator is placed on a metal spacer. The resin frame member at a joining target portion of the stacked portion is placed so as to face a recess of the metal spacer. In the laser irradiation step, the separator at the joining target portion in a state where the resin frame member faces the recess is irradiated with a laser beam to thereby form a welded portion where the resin frame member and the separator are welded to each other.

Abstract: A method for producing a resin frame equipped membrane electrode assembly includes: a first conveyance step of supporting a sheet-shaped member having a cathode and an electrolyte membrane by a resin frame member to which the sheet-shaped member is joined and linearly conveying the supported sheet-shaped member to a pressure bonding device; a second conveyance step of conveying an anode to the pressure bonding device by way of a rotary table; and a pressure bonding step of heating and pressing the cathode and the anode from above and below by the pressure bonding device to thereby integrate the cathode and the anode together.

Abstract: In a method of producing a resin frame member for a fuel cell, a processing die is used. The method includes a processing step of moving an upper die toward a lower die to thereby form an inclined surface on each of side parts of a resin film. In the processing step, shearing is performed while maintaining a predetermined clearance between the lower processing section and the upper processing section and in a state where each of the side parts is at least partially positioned at a cutout so that each of the side parts is inclined downward toward the inside. The cutout is formed by cutting off an edge part of a placement surface that is positioned on the lower processing section side.