Abstract: According to the embodiment, a bonded body includes a ceramic substrate, a copper plate. A bonding layer is located on at least one surface of the ceramic substrate. The bonding layer bonds the ceramic substrate and the copper plate. The bonding layer includes a Ti reaction layer including titanium nitride or titanium oxide as a major component, and a plurality of first alloys positioned between the Ti reaction layer and the copper plate. Each of the plurality of first alloys includes at least one selected from a Cu—Sn alloy and a Cu—In alloy. The first alloys have mutually-different Sn concentrations or In concentrations. According to the embodiment, a warp amount can be reduced. A heating rate and a cooling rate in the bonding process can be increased. According to the embodiment, a silicon nitride substrate is favorable for the ceramic substrate.

Abstract: According to one embodiment, a tungsten oxide powder is provided. The tungsten oxide has an average particle size along a major axis of 10 ?m or less, an average aspect ratio of 10 or less, and 0 to 4 crystal defects per unit area of 9 nm2 on a surface or sectional surface in a direction of a minor axis of a primary particle.

Abstract: A bonded body according to an embodiment includes a nitride ceramic member, and a metal member bonded with the nitride ceramic member via a bonding layer. A titanium nitride layer that includes titanium nitride as a major component is formed at a nitride ceramic member and the interface between the bonding layer. The titanium nitride layer includes a location at which an oxygen amount is not less than 1 at %.

Abstract: A bonded body according to an embodiment includes a ceramic substrate, a copper plate, and a bonding layer bonding the ceramic substrate and the copper plate. The bonding layer includes Ag, Cu, an active metal, and a first element. The first element is one or two selected from Sn and In. A detection amount (mass %) of the first element divided by a detection amount (mass %) of Ag at a first measurement point is within a range of not less than 0 and not more than 0.4 when any cross section is analyzed by SEM-EDX, and when a location at which a detection amount of Cu is not less than 80 mass % and at which a change of a slope in a graph of the detection amount of Cu is largest is taken as the first measurement point.

Abstract: An automobile undercarriage part of the present invention has a welded joint formed by base steel plate, wherein the chemical composition of a weld metal contains, with respect to a total mass of the weld metal, by mass %, C: 0.02% to 0.30%, Si: 0.10% to less than 1.0%, Mn: 1.2% to 3.0%, Al: 0.002% to 0.30%, Ti: 0.005% to 0.30%, P: more than 0% to 0.015%, and S: more than 0% to 0.030%, the following formula (1A), formula (1B), formula (2), and formula (3) are satisfied, and slag in a toe portion of the fillet weld satisfies a formula (4). [Al]+[Ti]>0.05??Formula (1A) [Ti]/[Al]>0.9??Formula(1B) 7×[Si]+7×[Mn]?112×[Ti]?30×[Al]?12??Formula (2) 2.0<[Si]+[Mn]??Formula (3) [Ti content on slag surface]>[Si content on slag surface]??Formula (4).

Abstract: An automobile undercarriage part of the present invention is an automobile undercarriage part including a welded joint in which a first steel sheet and a second steel sheet are overlapped and a fillet weld is formed between an end surface of the first steel sheet and a surface of the second steel sheet, in which a chemical composition of a weld metal that forms the welded joint contains, with respect to a total mass of the weld metal, by mass %, C: 0.02% to 0.20%, Si: more than 0% to less than 0.10%, Mn: 0.3% to 2.0%, Al: 0.002% to 0.30%. Ti: 0.005% to 0.30%, P: more than 0% to 0.015%, and S: more than 0% to 0.030%, and the following formula (1) and formula (2) are satisfied. [Al]+[Ti]>0.05??Formula (1) 7×[Mn]?112×[Ti]?30×[Al]?4.

Abstract: According to the embodiment, a bonded body includes a ceramic substrate, a copper plate. A bonding layer is located on at least one surface of the ceramic substrate. The bonding layer bonds the ceramic substrate and the copper plate. The bonding layer includes a Ti reaction layer including titanium nitride or titanium oxide as a major component, and a plurality of first alloys positioned between the Ti reaction layer and the copper plate. Each of the plurality of first alloys includes at least one selected from a Cu—Sn alloy and a Cu—In alloy. The first alloys have mutually-different Sn concentrations or In concentrations. According to the embodiment, a warp amount can be reduced. A heating rate and a cooling rate in the bonding process can be increased. According to the embodiment, a silicon nitride substrate is favorable for the ceramic substrate.

Abstract: A coated steel sheet has a coating film on at least one side of a plated steel sheet. The coating film contains a binder resin, non-oxide ceramic particles containing V (excluding VC particles), and doped zinc oxide particles. The respective contents of the non-oxide ceramic particles containing V and the doped zinc oxide particles relative to the coating film satisfy the expressions: [(1) CZn?10.0, (2) CV?0.5·CZn, (3) CV?70?CZn, (4) CV?0.125·CZn, and (5) CV?2.0], where CV represents the content (mass %) of the non-oxide ceramic particles containing V, and CZn represents the content (mass %) of the doped zinc oxide particles. The coated steel sheet is excellent in both corrosion resistance before electrodeposition coating, and weldability.

Abstract: A metal sheet for containers includes a metal sheet and a polyester film which is laminated on a surface of the metal sheet to be an inner surface side of containers. The polyester film contains a wax in an amount of 0.010 to 2.000 mass %, and has a dipole-dipole force of 40 mN/m or less.

Abstract: An automobile undercarriage part of the present invention is an automobile undercarriage part including a welded joint in which a first steel sheet and a second steel sheet are overlapped and a fillet weld is formed between an end surface of the first steel sheet and a surface of the second steel sheet, in which a chemical composition of a weld metal that forms the welded joint contains, with respect to a total mass of the weld metal, by mass %, C: 0.02% to 0.20%, Si: more than 0% to less than 0.10%, Mn: 0.3% to 2.0%, Al: 0.002% to 0.30%, Ti: 0.005% to 0.30%, P: more than 0% to 0.015%, and S: more than 0% to 0.030%, and the following formula (1) and formula (2) are satisfied. [Al]+[Ti]>0.05 ??Formula (1) 7×[Mn]?112×[Ti]?30×[Al]?4.

Abstract: An automobile undercarriage part of the present invention has a welded joint formed by base steel plate, wherein the chemical composition of a weld metal contains, with respect to a total mass of the weld metal, by mass %, C: 0.02% to 0.30%, Si: 0.10% to less than 1.0%, Mn: 1.2% to 3.0%, Al: 0.002% to 0.30%, Ti: 0.005% to 0.30%, P: more than 0% to 0.015%, and S: more than 0% to 0.030%, the following formula (1A), formula (1B), formula (2), and formula (3) are satisfied, and slag in a toe portion of the fillet weld satisfies a formula (4). [Al]+[Ti]>0.05??Formula (1A) [Ti]/[Al]>0.9??Formula(1B) 7×[Si]+7×[Mn]?112×[Ti]?30×[Al]?12??Formula (2) 2.0<[Si]+[Mn]??Formula (3) [Ti content on slag surface]>[Si content on slag surface]??Formula (4).

Abstract: A film-laminated metal plate having excellent retort adhesiveness includes: a metal plate; a resin film thermally fusion-bonded to a surface of the metal plate; and a bubble contained between the metal plate and the resin film. An average bubble height of three bubbles with higher heights among the bubbles measured by using a 3D analysis image of a laser microscope is 0 ?m or more and 5.0 ?m or less. The test piece is obtained by cutting a portion of one end side of the metal plate in a longitudinal direction while leaving the resin film on a side which becomes an inner surface side of the container when the film-laminated metal plate is processed into a container. When a retort treatment is carried out on the test piece at a temperature of 125° C.

Abstract: According to one embodiment, a tungsten oxide powder is provided. The tungsten oxide has an average particle size along a major axis of 10 ?m or less, an average aspect ratio of 10 or less, and 0 to 4 crystal defects per unit area of 9 nm2 on a surface or sectional surface in a direction of a minor axis of a primary particle.

Abstract: Provided are a surface-treated metal sheet excellent in the adhesiveness to a coating treatment film and weldability and a coated member.

Abstract: This wire for gas-shielded arc welding is a wire for joining a plurality of thin steel sheets by gas-shielded arc welding, the wire including, in mass %, with respect to a total mass of the wire: C: 0.06 to 0.15%; Si: more than 0 to 0.18%; Mn: 0.3 to 2.2%; Ti: 0.06 to 0.30%; Al: 0.001 to 0.30%; and B: 0.0030 to 0.0100%, in which Si, Mn, Ti, and Al satisfy Expressions (1) and (2). Si×Mn?0.30??Expression (1) (Si+Mn/5)/(Ti+Al)?3.

Abstract: Provided is a coated metal sheet for automobile comprising: a metal sheet; and a coating film (?) present on at least one surface of the metal sheet. The coating film (?) contains an organic resin (A), an electrically conductive pigments (B), and anti-corrosion pigments (C), and a Martens micro-hardness HM at ?20° C. of the surface of the coating film (?) is 10 to 200 (mg/mm2) at 20 points or more when measured at 100 points, and a Martens micro-hardness HM at 40° C. of the surface of the coating film (?) is 200 to 200,000 (mg/mm2) at 5 points or more when measured at 100 points.

Abstract: A coated steel sheet has a coating film on at least one side of a plated steel sheet. The coating film contains a binder resin, non-oxide ceramic particles containing V (excluding VC particles), and doped zinc oxide particles. The respective contents of the non-oxide ceramic particles containing V and the doped zinc oxide particles relative to the coating film satisfy the expressions: [(1) CZn?10.0, (2) CV?0.5·CZn, (3) CV?70?CZn, (4) CV?0.125·CZn, and (5) CV?2.0], where CV represents the content (mass %) of the non-oxide ceramic particles containing V, and CZn represents the content (mass %) of the doped zinc oxide particles. The coated steel sheet is excellent in both corrosion resistance before electrodeposition coating, and weldability.

Abstract: A film-laminated metal plate having excellent retort adhesiveness includes: a metal plate; a resin film thermally fusion-bonded to a surface of the metal plate; and a bubble contained between the metal plate and the resin film. An average bubble height of three bubbles with higher heights among the bubbles measured by using a 3D analysis image of a laser microscope is 0 ?m or more and 5.0 ?m or less. The test piece is obtained by cutting a portion of one end side of the metal plate in a longitudinal direction while leaving the resin film on a side which becomes an inner surface side of the container when the film-laminated metal plate is processed into a container. When a retort treatment is carried out on the test piece at a temperature of 125° C.

Abstract: A metal sheet for containers includes a metal sheet and a polyester film which is laminated on a surface of the metal sheet to be an inner surface side of containers. The polyester film contains a wax in an amount of 0.010 to 2.000 mass %, and has a dipole-dipole force of 40 mN/m or less.

Abstract: Provided are a surface-treated metal sheet excellent in the adhesiveness to a coating treatment film and weldability and a coated member.