Abstract: A method for manufacturing a hot-forged member includes heating an unheated material for hot forging in a furnace to a hot forging temperature; bonding a heat-resistant insulation material to at least a part of a surface of a material for forging removed from the furnace to obtain a material to be hot forged; and compressing a part or all of the material to be hot forged into a predetermined shape using any of a die, an anvil, and a tool.

Abstract: A multi-core cable is provided with a heat detection line including a twisted pair wire having a pair of heat detecting wires being twisted together, a plurality of electric wires spirally twisted around the heat detection line, and a sheath covering the heat detection line and the plurality of electric wires together. Each heat detecting wire includes a first conductor and a first insulator covering around the first conductor, and a jacket covers around the twisted pair wire. Each electric wire includes a second conductor and a second insulator covering around the second conductor. The jacket includes an inner layer, an outer layer, and an intermediate layer provided between the inner layer and the outer layer, and a hardness of the outer layer is higher than a hardness of the inner layer.

Abstract: An additive manufacturing article according to the present invention is composed of an Ni-based alloy that contains Cr and Mo, while containing Ni in the largest amount in terms of the mass ratio; and an oxide film that is mainly composed of Cr is formed in a part or the entirety of the surface. This oxide film that is mainly composed of Cr has a region wherein the O content is higher in comparison to that in the inner part, and the Cr content is higher than the Ni content. It is preferable that this oxide film has a thickness of 1-20 nm from the surface; and it is also preferable that this oxide film is formed so as to be suited to a corrosive environment contact surface. In addition, this oxide film is able to be formed during additive manufacturing of the additive manufacturing article.

Abstract: The manufacturing method includes: performing testing of samples having the same configuration as the torque measuring device to be manufactured to find a coil balance Cb that is a ratio (R1×R3)/(R2×R4) of a product R1×R3 of resistance values R1 and R3 of one pair of opposite sides of the four sides of a bridge circuit 8, and a product R2×R4 of resistance values R2 and R4 of another pair of opposite sides of the four sides, and a temperature change rate VT of output voltage Vo of a sensor portion 4, and acquiring a relationship X between the coil balance Cb and the temperature change rate VT from the test results; and measuring the resistance values R1, R2, R3, R4 of the four sides to find the coil balance Cb to find the temperature change rate VT from the relationship X for the torque measuring device to be manufactured.

Abstract: A wiring component with physical quantity sensor is provided with a plurality of electric wires, a physical quantity sensor for detecting a physical quantity of the plurality of electric wires, an electric wire holding member including an intervening portion interposed between the plurality of electric wires, and a holder holding the physical quantity sensor. The electric wire holding member includes a protrusion protruding from the intervening portion in a direction perpendicular to an arrangement direction of the plurality of electric wires, and aligning the holder in longitudinal directions of the plurality of electric wires by the protrusion. The holder includes an electric wire engaging portion being engaged with at least one of the plurality of electric wires.

Abstract: A WC-based cemented carbide contains, in terms of mass %, Co of 10% to 40%; and Cu of 5% to 15%, the balance consisting of at least one selected from the group consisting of Ti, Zr and Cr, and W, B, C and inevitable impurities. Thus, it is possible to provide a WC-based cemented carbide having a high abrasion resistance while adopting a configuration advantageous for a high thermal conductivity.

Abstract: The present invention provides: a laminated magnetic material for a motor, the material having low core loss characteristics even in a high-frequency band; and a method for manufacturing said laminated magnetic material for a motor. Provided is a laminated magnetic material provided with a plurality of quenched alloy strips and a resin layer made of resin and disposed between the quenched alloy strips. The laminated magnetic material is characterized in that the adhesive stress ? [MPa] represented by the following equation is 1.

Abstract: A coated die for use in hot stamping has a hard film having an alternating lamination section formed by alternating lamination of a1 layers consisting of nitride having 30% or more of chromium in atomic ratio in a metal part, and a2 layers consisting of nitride having 50% or more of vanadium in atomic ratio in a metal part. When ta1 and ta2 are defined as thicknesses of the a1 layer and the a2 layer respectively, a film thickness ratio Xb is defined as a film thickness ratio ta2/ta1 of a1 layers and a2 layers adjacent to each other in a substrate-side region of the alternating lamination section and a film thickness ratio Xt is defined as a film thickness ratio ta2/ta1 of a1 layers and a2 layers adjacent to each other in an outermost surface side region of the alternating lamination section, it holds that Xt>Xb.

Abstract: An Fe-based amorphous alloy ribbon reduced in iron loss, less deformed, and highly productive in a condition of a magnetic flux density of 1.45 T is provided. One aspect of the present disclosure provides an Fe-based amorphous alloy ribbon having first and second surfaces, and is provided with continuous linear laser irradiation marks on at least the first surface. Each linear laser irradiation mark is formed along a direction orthogonal to a casting direction of the Fe-based amorphous alloy ribbon, and has unevenness on its surface. When the unevenness is evaluated in the casting direction, a height difference HL×width WA calculated from the height difference HL between a highest point and a lowest point in a thickness direction of the Fe-based amorphous alloy ribbon and the width WA which is a length of the linear irradiation mark on the first surface is 6.0 to 180 ?m2.

Abstract: A magnetostrictive torque sensor has: a holder having an inner cylindrical portion arranged around a rotating shaft; a side plate portion arranged on one side in an axial direction of the inner cylindrical portion; an outer cylindrical portion arranged on an outer side in a radial direction of the side plate portion; and a recessed accommodating portion communicating an inner space on an inner side in the radial direction of the outer cylindrical portion and an outer space, a cover covering an opening portion on the other side in the axial direction of the recessed accommodating portion, a flexible substrate having a detection portion; and a signal line portion, a part of which is accommodated inside the recessed accommodating portion, and a connector attached to a tip-end portion of the signal line portion, the cover having a connector support portion for supporting the connector.

Abstract: [Problem] The present invention addresses the problem of providing a re-used alloy powder for additive manufacturing and a method for producing an additive manufacturing product, wherein stable modeling is possible and defects can be suppressed even in cases where an alloy powder for additive manufacturing is re-used. [Solution] The present invention provides a re-used alloy powder for additive manufacturing, the re-used alloy powder being characterized in that: the surface of the alloy powder is provided with an oxide film; the alloy powder contains, in mass %, more than 0.015% but less than 0.106% of oxygen; and the oxide film has a maximum thickness of 200 nm or less (excluding 0).

Abstract: A magnetic core powder including granular powder A of Fe-based, magnetic, crystalline metal material and granular powder B of Fe-based, magnetic, amorphous metal material; the particle size d50A of granular powder A at a cumulative frequency of 50 volume % being 0.5 ?m or more and 7.0 ?m or less, and the particle size d50B of granular powder B at a cumulative frequency of 50 volume % being more than 15.0 ?m, in a cumulative distribution curve showing the relation between particle size and cumulative frequency from the smaller particle size side, determined by a laser diffraction method; the magnetic core powder meeting (d90M?d10M)/d50M of 1.6 or more and 6.0 or less, d10M being a particle size at a cumulative frequency of 10 volume %, d50M being a particle size at a cumulative frequency of 50 volume %, and d90M being a particle size at a cumulative frequency of 90 volume %.

Abstract: Provided are a stainless steel having excellent cold workability and a manufacturing method therefor; and a stainless steel product for which surface hardness is sufficiently high and for which corrosion resistance against acids, particularly non-oxidative acids, is excellent and a manufacturing method therefor. Provided are the stainless steel and the manufacturing method therefor, said steel having a component composition, in terms of % by mass, 0.18-0.25% of C, 0.1-1.5% of Si, 0.35-1.5% of Mn, 0.04% or less of P, 0.01% or less of S, 0.05-0.20% of Ni, 12.5-14.6% of Cr, 1.5-3.0% of one or both of Mo and W according to the relational expression (Mo+½W), 1.0-3.0% of Cu, and 0.03-0.10% of N, the remainder being Fe and impurities. Further provided are the stainless steel product and the manufacturing method therefor, said stainless steel product being obtained by quenching and tempering the foregoing stainless steel.

Abstract: Provided is an alloy material that can improve mechanical properties in a high-temperature environment, an alloy product using the alloy material, and a machine device provided with the alloy product. The alloy material is an alloy material containing each of Co, Cr, Fe, and Ni in a range of 5 at % to 40 at %, Mo in a range of more than 0 at % and 8 at % or less, Ti in a range of 1 at % to 10 at %, and B in a range of more than 0 at % and less than 0.15 at % with a remainder consisting of inevitable impurities. This alloy material may contain B in a range of 0.03 at % to 0.12 at % and may contain at least one of Ta and Nb in a range of 4 at % or less. Preferably, the Ti and the at least one of Ta and Nb are contained at a total of 3 at % to 10 at %.

Abstract: A crack evaluation method of an additively manufactured object, which is a method evaluating a crack sensitivity of an additively manufactured object, includes the following. A crack evaluation device is additively manufactured using a raw material powder. The crack evaluation device includes: a body part, a base part opposed to the body part, a connecting part connecting one end side of the body part and the base part, a stress concentration part connecting another end side of the body part and the base part, and a comb tooth part connecting, by comb teeth, the body part and the base part between the connecting part and the stress concentration part. The crack sensitivity is evaluated based on cracked comb teeth at the crack evaluation device serving as the additively manufactured object.

Abstract: A method of producing an amorphous alloy ribbon having a composition of Fe100-a-bBaSibCc (13.0 atom %?a?16.0 atom %, 2.5 atom %?b?5.0 atom %, 0.20 atom %?c?0.35 atom %, and 79.0 atom %?(100-a-b)?83.0 atom %) includes: preparing an alloy ribbon; and, in a state in which the alloy ribbon is tensioned with a tensile stress of from 5 MPa to 100 MPa, increasing a temperature of the alloy ribbon to from 410° C. to 480° C., at an average temperature increase rate of from 50° C./sec to less than 800° C./sec, and decreasing a temperature of the thus heated alloy ribbon to a temperature of a heat transfer medium for temperature-decreasing, at an average temperature decrease rate of from 120° C./sec to less than 600° C./sec, wherein the temperature increase and decrease are performed by contacting the traveling alloy ribbon with a heat transfer medium.

Abstract: A composite cable is provided with a coaxial wire and an insulated wire. The coaxial wire includes a center conductor, a first insulation covering the center conductor, and plural outer conductors arranged on an outer periphery of the first insulation, and a jacket covering the plural outer conductors. The insulated wire includes a stranded conductor including plural strands twisted together, and a second insulation covering the stranded conductor. The center conductor of the coaxial wire is a single wire. A conductor diameter of the center conductor is not more than a wire diameter of each of the plural strands of the insulated wire.

Abstract: A stretchable cable is provided that allows an extra length to be reduced when routed in a movable part. The stretchable cable includes an elastically deformable hollow insulation having a hollow portion that is continuous along a cable longitudinal direction, and at least one electricity- or light-conducting wire-shaped body provided in a spiral shape along the cable longitudinal direction and fixed to the hollow insulation to stretch and contract together with the hollow insulation. The cable is elongated not less than 1.2 times when a tensile force is applied, and the cable returns to an original length when the tensile force is removed.

Abstract: A wiring component with temperature sensor includes an electric wire, a temperature sensor including a detection unit configured to detect temperature of the electric wire and a plurality of lead wires, and a plurality of connector pins respectively connected to the plurality of lead wires. The electric wire, the temperature sensor and the plurality of connector pins are collectively held by a holder made of a resin. The holder includes a connector housing member configured to hold the plurality of connector pins and a molded resin member covering a portion of the connector housing member.

Abstract: A multilayer magnetic sheet includes at least one first layer in which a plurality of magnetic strips are arranged side by side; at least one second layer in which the plurality of magnetic strips are arranged side by side, a direction of the long side of the at least one second layer intersecting that of the at least one first layer; and at least one third layer in which the plurality of magnetic strips are arranged side by side, a direction of the long side of the at least one third layer being the same as that of the at least one first layer. A position of the long side in the at least one first layer and a position of the long side in the at least one third layer are separated from each other by 0.5 mm or more in a direction in which the short side extends.