Abstract: The steel plate of the invention is a high-tension steel plate that has a tensile strength of 1100 MPa or more and is excellent in base metal toughness and HAZ toughness and preferably in abrasion resistance. The steel plate satisfies a predetermined requirement of components in the steel. The Ceq (IIW) represented by the following equation ranges from 0.40 to 0.45 both inclusive: Ceq (IIW)=[C]+{?×[Mn]}+{?×([Cr]+[Mo]+[V])}+{ 1/15+([Cu]+[Ni])} in which each parenthesis-symbol [ ] means the content by percentage of an element in the parentheses. Oxide grains having a maximum diameter of 2 ?m or less are present in a number density of 200/mm2 or more in the steel. The steel is composed of 29% or more by volume of martensite microstructure, and bainite microstructure as the balance.

Abstract: A titanium alloy product according to the present invention: has a strength level higher than that of an existing titanium alloy product; can be successfully cold rolled (coil rolled); and is also provided with workability. In the titanium alloy product according to the invention, expensive alloy elements are not essentially required, and hence cost can be suppressed. The titanium alloy product according to the invention includes Al equivalent represented by (Al+10O (oxygen)): 3.5 to 7.2% (% by mass, the same hereinafter), Al: more than 1.0% and 4.5% or less, O: 0.60% or less, Fe equivalent represented by (Fe+0.5Cr+0.5Ni+0.67Co+0.67Mn): 0.8% or more and less than 2.0%, and one or more elements selected from the group consisting of Cu: 0.4 to 3.0% and Sn: 0.4 to 10%, in which the balance is Ti and unavoidable impurities.

Abstract: A front stay member is inserted into a through-hole in a bumper reinforcement. A first end of a middle stay member is fitted onto a portion of the front stay member that protrudes from the through-hole until the first end of the middle stay member comes into contact with the bumper reinforcement. A rear stay member is inserted into a second end of the middle stay member until the second end of the middle stay member comes into contact with the step on the rear stay member. A magnetic field shaper is disposed so as to face portions of an outer peripheral surface of the middle stay member that respectively overlap the front stay member and the rear stay member, and the middle stay member is clinched onto the front and rear stay members by applying an electromagnetic force to the magnetic field shaper.

Abstract: In a capacity-adjustable screw compressor unit, a thrust force caused by a reaction force of gas can be appropriately cancelled by a balance piston. A screw compressor unit of the present invention includes a compressor, having a pair of male and female screw rotors meshing with each other contained in a casing, for compressing sucked gas and discharging it, a balance piston for pressing a rotor shaft acting as a rotating shaft of at least one of the screw rotors in an axial direction by a fluid pressure, a slide valve for adjusting capacity of the compressor, and a balance piston control device for adjusting pressure of a fluid applied on the balance piston according to the capacity of the compressor calculated from a position of the slide valve.

Abstract: A weld metal contains Cr: 28.0% to 31.5% by mass, Fe: 7.0% to 11.0% by mass, Nb and Ta: 1.5% to 2.5% by mass in total, C: 0.015% to 0.040% by mass, Mn: 0.5% to 4.0% by mass, N: 0.005% to 0.080% by mass, Si: 0.70% by mass or less (and more than 0%), Al: 0.50% by mass or less, Ti: 0.50% by mass or less, Mo: 0.50% by mass or less, Cu: 0.50% by mass or less, B: 0.0010% by mass or less, Zr: 0.0010% by mass or less, Co: 0.10% by mass or less, P: 0.015% by mass or less, and S: 0.015% by mass or less, the remainder being Ni and incidental impurities.

Abstract: A shock sensor unit includes first and second sensor shafts having bulging portions, first and second positioning pins in contact with the bulging portions, first and second spring members that press the first and second sensor shafts, first and second sensor bodies that contain the first and second positioning pins movably, and first and second detectors that detect movements of first and second spring guides. Each of the first and second positioning pins is located at two positions that are point-symmetrical with respect to a center point between first and second electrodes.

Abstract: An aluminum alloy forged material for automotive vehicles comprises 0.6˜1.2 mass % of Mg, 0.7˜1.5 mass % of Si, 0.1.˜0.5 mass % of Fe, 0.01˜0.1 mass % of Ti, 0.3˜1.0 mass % of Mn, at least one of 0.1˜0.4 mass % of Cr and 0.05˜0.2 mass % of Zr, a restricted amount of Cu that is less than or equal to 0.1 mass %, a restricted amount of Zn that is less than or equal to 0.05 mass %, a restricted amount of H that is less than or equal to 0.25 ml in 100 g Al and a remainder of Al and inevitably contained impurities, and the material includes precipitated crystalline particles among which the largest one has a maximum equivalent circle diameter equal to or less than 8 ?m and an area ratio of the precipitated crystalline particles is equal to or less than 3.6%.

Abstract: A steel plate is provided which has excellent hydrogen induced cracking resistance. The steel plate is suitable for use in a line pipe. The steel plate satisfies a predetermined composition. In a composition of an inclusion contained in the steel and having a width of 1 ?m or more, the ratio (RES/CaS) of the mass of an REM sulfide (RES) to that of a Ca sulfide (CaS) is equal to or more than 0.05, a Zr content of the inclusion is in a range of 5 to 60%, and a Nb content of the inclusion is 5% or less.

Abstract: An electroconductive material for a connection component have a base member made of a copper alloy plate, a Ni coating layer, a Cu—Sn alloy coating layer, and a Sn coating layer. A surface of the material is subjected to reflow treatment. The base member surface is roughened. The Cu—Sn alloy coating layer is partially exposed from the outside surface of the Sn coating layer. Regions of the Cu—Sn alloy coating layer exposed to the outside surface of the Sn coating layer have random microstructures distributed irregularly between portions of the Sn coating layer and streak microstructures extending in parallel to a rolled direction of the base member. The streak microstructures having a length of 50 ?m or more and a width of 10 ?m or less are contained in a number of 35 or more per 1 mm2.

Abstract: Disclosed is a multi-component force measurement spindle unit that accurately measures forces and moments applied to a tire in a tire testing machine. The multi-component force measurement spindle unit of a tire testing machine includes: a spindle shaft on which a tire can be mounted; an inner sleeve that rotatably supports the spindle shaft via a bearing part; an outer sleeve arranged on an outside of the inner sleeve along an axial center direction of the spindle shaft; a multi-component force measurement sensor that connects an end of the inner sleeve and an end of the outer sleeve to each other and is capable of measuring a load acting on the outer sleeve from the inner sleeve; and a cooling part that cools the inner sleeve.

Abstract: It is an object to provide a fuel cell separator material excellent in electroconductivity and corrosion resistance and capable of excellently adhering to a gasket material by stipulating a novel separator material, a fuel cell, and a method for manufacturing the fuel cell separator material. In a fuel cell separator material in which a carbon-based electroconductive layer including graphite is formed on the surface of a substrate formed of pure titanium or a titanium alloy, a coating rate of the carbon-based electroconductive layer is 20-70% when a range of 550×400 ?m is observed with 200 times observation magnification using an electron microscope.

Abstract: An aluminum alloy brazing sheet for heat exchangers has a core, a sacrificial material formed on one side of the core, and a brazing filler metal formed on the other side of core. The core is made of an aluminum alloy containing predetermined amounts of Si, Cu, and Mn, the balance being Al and unavoidable impurities. The sacrificial material is made of an aluminum alloy containing predetermined amounts of Si, Zn, and Mg with the balance of Al and unavoidable impurities. The brazing filler metal is made of an aluminum alloy. The aluminum alloy brazing sheet for heat exchangers has a work hardening exponent n of not less than 0.05. The aluminum alloy brazing sheet for heat exchangers has excellent strength and corrosion resistance even when it is formed into a thin material and also has excellent high frequency weldability and weld cracking resistance during electric resistance welding (high frequency welding properties).

Abstract: There is provided a flux-cored wire containing flux within a stainless steel or mild steel outer cover for use in stainless steel welding and gas-shielded arc welding using a shielding gas. The flux-cored wire contains, based on the total mass of the flux-cored wire, predetermined amounts of C, Si, Mn, P, S, Cr, Ti, and O. The remainder are Fe and incidental impurities. The shielding gas is pure Ar gas.

Abstract: For manufacturing an aluminum alloy automobile suspension part, an ingot material is heat treated and forged, a through-hole is formed therein and it is subjected to thermal refining. A minimum length between a rib end on a side of the through-hole and a through-hole end is made 6 mm or larger.

Abstract: There are provided an aluminum-alloy clad sheet and a clad sheet subjected to heating equivalent to brazing, which each have a high strength and an excellent erosion resistance and thus allow a reduction in thickness of a clad sheet subjected to heating equivalent to brazing such as an aluminum alloy radiator tube, and/or of a clad sheet such as an aluminum-alloy brazing sheet. An aluminum-alloy clad sheet or a clad sheet subjected to heating equivalent to brazing includes at least a core aluminum alloy sheet and an aluminum-alloy sacrificial anti-corrosive material cladded with each other, and is to be formed into a heat exchanger by brazing. The core aluminum alloy sheet includes a specified 3000 series composition.

Abstract: In a tandem gas-shielded arc welding method, carbon dioxide is used as a shielding gas for a leading electrode formed by a solid wire, an argon-carbon dioxide gas mixture containing at least 60% by volume of argon gas is used as a shielding gas for a trailing electrode formed by a solid wire or a flux-cored wire, both the leading electrode and the trailing electrode have a reverse polarity, the leading electrode satisfies the relationships “5.00?(I·V·10?8)/(Wf·?r2)?10.00” and “(I2·10?3)/V?4.50”, and the trailing electrode satisfies the relationships “4.00?(I·V·10?8)/(Wf·?r2)?7.00” and “(I2?10?3)/V?8.00”.

Abstract: A multi-flow passage device capable of surely performing a desired treatment, such as heat exchange or chemical reaction, even to large amounts of medium is provided. A multi-flow passage device 1 according to the present invention is constituted by stacking units for performing heat exchange or chemical reaction of the introduced medium in a thickness direction, and a flow passage 9 for allowing the flowing medium in one unit 7 to flow in another unit 7 adjacent to the unit 7 is an external flow passage 8 provided outside of one unit 7 and another unit 7.

Abstract: To provide a copper alloy sheet excellent in the balance of strength and electroconductivity and excellent in the balance of strength and bending workability also. A copper alloy contains predetermined amount of Cr, Ti, and Si so as to satisfy a mass ratio of the Cr to the Ti: 1.0?(Cr/Ti)?30, and a mass ratio of the Cr to the Si: 3.0?(Cr/Si)?30, the remainder including copper and unavoidable impurities, in which 70% or more out of total amount of Cr, Ti and Si contained in the copper alloy is precipitated, a number of piece of precipitates with 300 nm or more circle equivalent diameter observed by a SEM in a region of 25 ?m in the thickness direction from the surface of the copper alloy×40 ?m in the cross-sectional direction in a cross section in the width direction of the copper alloy is 50 pieces or less, and an average circle equivalent diameter of precipitates with less than 300 nm circle equivalent diameter observed by a TEM on the surface of the copper alloy is 15 nm or less.

Abstract: A 7000-series aluminum alloy hollow extruded material formed by porthole extrusion contains Zn: 3.0 to 8.0 mass %, Mg: 0.4 to 2.0 mass %, Cu: 0.05 to 2.0 mass %, Si: 0.3 mass % or less, Fe: 0.35 mass % or less, and one or more of Mn, Cr, and Zr: 0.10 mass % or less in total, with the balance being Al and unavoidable impurities. The aluminum alloy hollow extruded material has a recrystallized structure throughout the cross-section. In the case of pipe expansion by electro-magnetic forming, excellent pipe expansion formability is obtained.

Abstract: A power generation apparatus according to the present invention includes: an inlet which is provided at a location on an opposite side of an expander rotor with respect to a power generator stator in a power generator housing and which is capable of leading a working medium into the power generator housing, a cooling flow passage which supplies the inlet from a circulation pump with the working medium without interposition of an evaporator, a communication opening which is capable of leading the working medium out of the power generator housing so as to lead the working medium to a condenser, and a throttle valve which depressurizes the working medium led via the cooling flow passage from the circulation pump into the power generator housing.