Abstract: The present invention provides an aluminum alloy material which has high resistance to flexural fatigue and prescribed elongation characteristics; contains, in terms of mass %, 0.20-1.80% Mg, 0.20-2.00% Si, and 0.01-1.50% Fe; and further contains at least one element selected from among Cu, Ag, Zn, Ni, Ti, Co, Au, Mn, Cr, V, Zr, and Sn in a total amount of 0.00-2.00%, with the remainder made up of Al and inevitable impurities. The aluminum alloy material has a fibrous metal structure in which crystal grains extend in one direction.

Abstract: A plasma processing apparatus for performing a plasma process on a workpiece inside a processing container by radiating microwaves from an antenna into the processing container through a top plate of the processing container to generate plasma, which includes: a pressing member having grooves formed in a surface facing the top plate, and configured to press the antenna against the top plate; and elastic members respectively disposed in the grooves and deformed while being sandwiched between the pressing member and the antenna, and configured to apply a pressing force to the antenna toward the processing container. The grooves and the elastic members are respectively provided in concentric annular regions each having a center coinciding with a predetermined axis perpendicular to the top plate, and the elastic members are disposed only in a portion of the annular regions.

Abstract: An object of the present invention is to provide a lubricating oil composition for hydraulic actuation which has excellent safety and which is imparted with electrical conductivity in order to prevent the generation of noise that adversely affects devices including hydraulic circuits equipped with an electronic control device for the valve system. The composition uses a hydrocarbon base oil, and the base oil contains from 30 to 250 ppm of ultrabasic magnesium salicylate in terms of magnesium content relative to the total amount of the composition, and from 0.07 to 5.0 mass % of non-dispersible polymethacrylate having a weight-average molecular weight of from 5,000 to 200,000 as a net amount relative to the total amount of the composition. The conductivity of the composition at 25° C. is 200 pS/m or more, the flash point is 240° C. or more, the pour point is negative 40° C. or less, and the coefficient of friction at 140° C. by a microclutch is 0.08 or more.

Abstract: This aluminum alloy material has an alloy composition which comprises at least one among 0.05-1.50 mass % of Fe, 0.01-0.15 mass % of Si, 0.01-0.3 mass % of Cu, and 0.01-1.5 mass % of Mg, with the balance being Al and inevitable impurities, and has a fibrous metal structure in which crystal grains extend in one direction. In a cross section parallel to said one direction, the average value of the dimensions of the crystal grains in a direction perpendicular to the longitudinal direction thereof is 800 nm or less, and the primary surface of the aluminum alloy material has a crystal orientation distribution in which the ratio H (K100/K111) of K100 to K111 is at least 0.15 as determined by the X-ray pole figure method, where K100 is the sum of the diffraction intensities resulting from crystals in which <100> is oriented in the longitudinal direction, and K111 is the sum of the diffraction intensities resulting from crystals in which <111> is oriented in the longitudinal direction.

Abstract: This twisted wire conductor 10 for an insulated electrical wire is configured so as to be in a mixed state in which a first conductor 20 and a second conductor 40 are twisted together. The first conductor comprises a specific aluminum alloy: which has an alloy composition that contains, by mass %, 0.2-1.8% of Mg, 0.2-2.0% of Si, 0.01-0.33% of Fe and a total of 0.00-2.00% of one or more elements selected from the group consisting of Cu, Ag, Zn, Ni, Co, Au, Mn, Cr, V, Zr, Ti and Sn, with the remainder comprising Al and unavoidable impurities; which has a fibrous metal structure in which crystal grains extend in one direction; and in which the average value of a dimension t which is perpendicular to the longitudinal direction of crystal grains is 400 nm or less in a cross section parallel to this one direction.

Abstract: An aluminum alloy material has an alloy composition which includes at least one among 0.2-1.8 mass % of Mg, 0.2-2.0 mass % of Si, and 0.01-1.50 mass % of Fe, with the balance being Al and inevitable impurities, and has a fibrous metal structure in which crystal grains extend in one direction. In a cross section parallel to the one direction, the average value of the dimensions of the crystal grains in a direction perpendicular to the longitudinal direction thereof is 400 nm or less, and the primary surface of the aluminum alloy material has a crystal orientation distribution in which the ratio H (K100/K111) of K100 to K111 is at least 0.17 as determined by the X-ray pole figure method, where K100 is the sum of the diffraction intensities resulting from crystals in which <100> is oriented in the longitudinal direction, and K111 is the sum of the diffraction intensities resulting from crystals in which <111> is oriented in the longitudinal direction.

Abstract: This twisted wire conductor 10 for an insulated electrical wire is configured so as to be in a mixed state in which a first conductor 20 and a second conductor 40 are twisted together. The first conductor comprises a specific aluminum alloy: which has an alloy composition that contains, by mass %, 0.2-1.8% of Mg, 0.2-2.0% of Si, 0.01-0.33% of Fe and a total of 0.00-2.00% of one or more elements selected from the group consisting of Cu, Ag, Zn, Ni, Co, Au, Mn, Cr, V, Zr, Ti and Sn, with the remainder comprising Al and unavoidable impurities; which has a fibrous metal structure in which crystal grains extend in one direction; and in which the average value of a dimension t which is perpendicular to the longitudinal direction of crystal grains is 400 nm or less in a cross section parallel to this one direction.

Abstract: The aluminum alloy material of the present disclosure has a specific alloy composition and has a fibriform metallographic structure where crystal grains extend so as to be aligned in one direction, wherein an average value of a size perpendicular to a longitudinal direction of the crystal grains is 400 nm or less in a cross section parallel to the one direction. The aluminum alloy material of the present disclosure has a main surface having a crystal orientation distribution which satisfies a peak intensity ratio R (I200/I220) of a peak intensity I200 of a diffraction peak due to a {100} plane to a peak intensity I220 of a diffraction peak due to a {110} plane, of 0.20 or more, determined by an X-ray diffraction method.

Abstract: A composition whereby a hydrocarbon-based base oil is used and in this base oil are incorporated, in terms of the total amount of the composition, 30 to 300 ppm of overbased calcium salicylate and, in net weight in terms of the total amount of the composition, 0.07 to 2.0 mass % of a non-dispersant polymethacrylate having a weight average molecular weight of 5000 to 200,000. The electrical conductivity at 25° C. of this composition is not less than 200 pS/m, the flash point is not less than 240° C., the pour point is ?40° C. or lower and the micro clutch friction coefficient at 140° C. is not less than 0.08. This lubricating oil composition may be used in machines fitted with electronic control apparatus and can impart conductivity so as to inhibit the occurrence of “noise” which is detrimental to electronic control.

Abstract: The aluminum alloy material of the present disclosure has a specific alloy composition and has a fibriform metallographic structure where crystal grains extend so as to be aligned in one direction, wherein an average value of a size perpendicular to a longitudinal direction of the crystal grains is 400 nm or less in a cross section parallel to the one direction. The aluminum alloy material of the present disclosure has a main surface having a crystal orientation distribution which satisfies a peak intensity ratio R (I200/I220) of a peak intensity I200 of a diffraction peak due to a {100} plane to a peak intensity I220 of a diffraction peak due to a {110} plane, of 0.20 or more, determined by an X-ray diffraction method.

Abstract: In a connection structure of the present disclosure, compression of a first connecting part of a first conductor forming a connecting component causes the first connecting part to be directly coupled to a second connecting part of a second conductor forming a body to be connected, to form an electrical connection structure, wherein the first conductor is made of copper or a copper alloy; and the second conductor has a Vickers hardness HV1 of 110 or more as measured at a position of the second connecting part in a state where the electrical connection structure is formed, and a Vickers hardness HV2 of 80% or more of the Vickers hardness HV1, the Vickers hardness HV2 being measured at a position of the second conductor which does not form the electrical connection structure.

Abstract: An object of the present disclosure is to provide a high strength aluminum alloy material having a ribbon shape, which can be an alternative to copper-based materials and iron-based materials having a ribbon shape, and a conductive member, a conductive component, a spring member, a spring component, a semiconductor module member, a semiconductor module component, a structural member and a structural component including the aluminum alloy material. The aluminum alloy material of the present disclosure has an alloy composition containing Mg: 0.2% to 1.8% by mass, Si: 0.2% to 2.0% by mass, and Fe: 0.01% to 1.50% by mass, with the balance being Al and inevitable impurities, wherein the aluminum alloy material has a Vickers hardness (HV) of 90 or more and 190 or less and has a ribbon shape.

Abstract: An aluminum alloy material of the present disclosure has an alloy composition containing Mg: 0.50% by mass or more and 6.0% by mass or less, Fe: 0% by mass or more and 1.50% by mass or less, Si: 0% by mass or more and 1.0% by mass or less, one or more selected from Cu, Ag, Zn, Ni, Ti, Co, Au, Mn, Cr, V, Zr and Sn: 0% by mass or more and 2.0% by mass or less in total, with the balance being Al and inevitable impurities. The aluminum alloy material has a fibrous metallographic structure in which crystal grains extend so as to be aligned in one direction, and an average value of sizes perpendicular to longitudinal direction of the crystal grains is 310 nm or less in a cross section parallel to the one direction.

Abstract: An object of the present invention is to provide a lubricating oil composition for hydraulic actuation which has excellent safety and which is imparted with electrical conductivity in order to prevent the generation of noise that adversely affects devices including hydraulic circuits equipped with an electronic control device for the valve system. The composition uses a hydrocarbon base oil, and the base oil contains from 30 to 250 ppm of ultrabasic magnesium salicylate in terms of magnesium content relative to the total amount of the composition, and from 0.07 to 5.0 mass % of non-dispersible polymethacrylate having a weight-average molecular weight of from 5,000 to 200,000 as a net amount relative to the total amount of the composition. The conductivity of the composition at 25° C. is 200 pS/m or more, the flash point is 240° C. or more, the pour point is negative 40° C. or less, and the coefficient of friction at 140° C. by a microclutch is 0.08 or more.

Abstract: A plasma processing apparatus for performing a plasma process on a workpiece inside a processing container by radiating microwaves from an antenna into the processing container through a top plate of the processing container to generate plasma, which includes: a pressing member having grooves formed in a surface facing the top plate, and configured to press the antenna against the top plate; and elastic members respectively disposed in the grooves and deformed while being sandwiched between the pressing member and the antenna, and configured to apply a pressing force to the antenna toward the processing container. The grooves and the elastic members are respectively provided in concentric annular regions each having a center coinciding with a predetermined axis perpendicular to the top plate, and the elastic members are disposed only in a portion of the annular regions.

Abstract: A copper alloy sheet material, having an alloy composition containing at least one of Ni and Co in an amount of 1.80 to 8.00 mass % in total, Si in an amount of 0.40 to 2.00 mass %, and at least one element selected from the group consisting of Sn, Zn, Ag, Mn, P, Mg, Cr, Zr, Fe, and Ti in an amount of 0.000 to 2.000 mass % in total, with the balance being copper and unavoidable impurities, wherein the orientation density of the {121}<111> orientation is 6 or less, and the orientation density of the {110}<001> orientation is 4 or more; and wherein the density of grains having the {110}<001> orientation is 0.40 grains/?m2 or more; a connector using thereof; and a method of producing the copper alloy sheet material.

Abstract: A copper alloy sheet material, having an alloy composition containing at least one of Ni and Co in an amount of 1.80 to 8.00 mass % in total, Si in an amount of 0.40 to 2.00 mass %, and at least one element selected from the group consisting of Sn, Zn, Ag, Mn, P, Mg, Cr, Zr, Fe, and Ti in an amount of 0.000 to 2.000 mass % in total, with the balance being copper and unavoidable impurities, wherein the major axis of the grains in the matrix is 12 ?m or less; and wherein the orientation density of the {110}<001> orientation is 4 or more, and the orientation density of the {110}<112> orientation is 10 or more; a connector using thereof; and a method of producing the copper alloy sheet material.

Abstract: An aluminum alloy material is an aluminum alloy material having an alloy composition consisting of 0.2 to 1.8% by mass of Mg, 0.2 to 2.0% by mass of Si, 0.01 to 1.50% by mass of Fe, 0.06 to 2% by mass in total of at least one selected from Cu, Ag, Zn, Ni, Co, Au, Mn, Cr, V, Zr, and Sn, with the balance containing Al and inevitable impurities. The aluminum alloy material has a fibriform metallographic structure where crystal grains extend so as to be aligned in one direction. In a cross section parallel to the one direction, an average value of a size perpendicular to a longitudinal direction of the crystal grains is 270 nm or less.

Abstract: An aluminum alloy material has an alloy composition consisting of 0.2 to 1.8% by mass of Mg, 0.2 to 2.0% by mass of Si, 0.01 to 1.50% by mass of Fe, with the balance containing Al and inevitable impurities. The aluminum alloy material has a fibriform metallographic structure where crystal grains extend so as to be aligned in one direction. In a cross section parallel to the one direction, an average value of a size perpendicular to a longitudinal direction of the crystal grains is 270 nm or less.