Abstract: Provided is a motor capable of having an improved output while keeping the mechanical strength of the stator core. A motor includes: a stator including a stator core including an annular yoke having an outer part and an inner part and teeth extending inwardly from the inner part of the yoke, and a coil wound around the teeth; and a rotor rotatably disposed inside of the stator. The stator core includes the lamination of sheet members made of a soft magnetic material. Each sheet member has a binding part to bind the sheet members in the lamination at a first part corresponding to the outer part of the yoke. At least the binding part of the first part is made of an amorphous soft magnetic material. The sheet member has a second part other than the first part, and the second part is made of a nanocrystal soft magnetic material.

Abstract: An magnet embedded type motor capable of reducing a counter electromotive voltage while suppressing reduction of a torque is provided. The magnet embedded type motor of the present disclosure includes a stator and a rotor rotatably disposed inside the stator. The rotor includes a rotor core and a plurality of magnet groups embedded in the rotor core along a circumferential direction, the rotor core includes a plurality of laminated metal foils. The rotor core has a pair of radially arranged magnet holes, a center side magnetic flux leakage prevention hole, and center side bridge portions for each magnetic pole. A pair of radially arranged magnets are embedded in the radially arranged magnet holes. In the rotor core, the center side bridge portion, a center portion, and an inter-magnetic pole portion are made of a nanocrystalline soft magnetic material, and another portion is made of an amorphous soft magnetic material.

Abstract: There is provided a method for manufacturing a soft magnetic member where a coating formed of an ?-Fe2O3 single phase having a high electrical resistivity is formed on a soft magnetic alloy substrate. A soft magnetic alloy substrate is heated in an atmosphere containing water vapor and inert gas to form a coating on the soft magnetic alloy substrate. The atmosphere has an oxygen partial pressure in a range of 0 to 1.5 kPa. A soft magnetic member including the soft magnetic alloy substrate and the coating formed on its surface can be obtained.

Abstract: Provided is an IPM motor that is strong and has high output. An IPM motor has a rotor that includes a rotor core as a laminate of a plurality of metal foil pieces made of a soft magnetic material that are stacked in a direction of a rotation axis of the rotor. The rotor core has a plurality of through-holes that penetrates through the rotor core in the direction of the rotation axis, the plurality of through-holes including through-holes embedding magnets. The rotor core includes inner bridges and outer bridges. At least one of the inner bridges and the outer bridges of the rotor core is made of an amorphous soft magnetic material, and other parts are made of a nanocrystal soft magnetic material.

Abstract: Provided is a laminate of soft magnetic ribbons having a simple structure and capable of avoiding a damage of the soft magnetic ribbons and improving the occupancy of the soft magnetic ribbons. The laminate of soft magnetic ribbons includes: a laminated part of first soft magnetic ribbons stacked; and a reinforcing part disposed at both ends of the laminated part in the stacking direction of the first soft magnetic ribbons. The reinforcing part includes second soft magnetic ribbons stacked in the stacking direction of the first soft magnetic ribbons and hardening resin that covers the second soft magnetic ribbons as a whole and is impregnated into areas between the neighboring second soft magnetic ribbons.

Abstract: A magnet embedded type motor capable of reducing a counter electromotive voltage while improving a torque is provided. The magnet embedded type motor of the present disclosure includes a stator and a rotor rotatably disposed inside the stator. The stator includes a stator core and a coil wound around the stator core. The rotor includes a rotor core and a plurality of magnet groups embedded in the rotor core along a circumferential direction. The plurality of magnet groups form a plurality of respective magnetic poles. A magnetic material constituting the rotor core has a saturation magnetic flux density higher than a saturation magnetic flux density of a magnetic material constituting the stator core by 0.2 T or more.

Abstract: An magnet embedded type motor capable of reducing a counter electromotive voltage while suppressing reduction of a torque is provided. The magnet embedded type motor of the present disclosure includes a stator and a rotor rotatably disposed inside the stator. The rotor includes a rotor core and a plurality of magnet groups embedded in the rotor core along a circumferential direction, the rotor core includes a plurality of laminated metal foils. The rotor core has a pair of radially arranged magnet holes, a center side magnetic flux leakage prevention hole, and center side bridge portions for each magnetic pole. A pair of radially arranged magnets are embedded in the radially arranged magnet holes. In the rotor core, the center side bridge portion, a center portion, and an inter-magnetic pole portion are made of a nanocrystalline soft magnetic material, and another portion is made of an amorphous soft magnetic material.

Abstract: Provided is a motor capable of having an improved output while keeping the mechanical strength of the stator core. A motor includes: a stator including a stator core including an annular yoke having an outer part and an inner part and teeth extending inwardly from the inner part of the yoke, and a coil wound around the teeth; and a rotor rotatably disposed inside of the stator. The stator core includes the lamination of sheet members made of a soft magnetic material. Each sheet member has a binding part to bind the sheet members in the lamination at a first part corresponding to the outer part of the yoke. At least the binding part of the first part is made of an amorphous soft magnetic material. The sheet member has a second part other than the first part, and the second part is made of a nanocrystal soft magnetic material.

Abstract: There is provided a method for manufacturing a soft magnetic member where a coating formed of an ?-Fe2O3 single phase having a high electrical resistivity is formed on a soft magnetic alloy substrate. A soft magnetic alloy substrate is heated in an atmosphere containing water vapor and inert gas to form a coating on the soft magnetic alloy substrate. The atmosphere has an oxygen partial pressure in a range of 0 to 1.5 kPa. A soft magnetic member including the soft magnetic alloy substrate and the coating formed on its surface can be obtained.

Abstract: A decorative coating film formed on a surface of a resinous base placed on a path of electromagnetic waves of a radar device. The decorative coating film includes fine particles of a silver alloy dispersed in the decorative coating film; and a light-transmissive binder resin with which the fine particles of a silver alloy are bonded. The silver alloy consists of an alloy of silver and zinc, and the zinc is contained in an amount of 0.5 to 50 mass % relative to the silver.

Abstract: Provided is an IPM motor that is strong and has high output. An IPM motor has a rotor that includes a rotor core as a laminate of a plurality of metal foil pieces made of a soft magnetic material that are stacked in a direction of a rotation axis of the rotor. The rotor core has a plurality of through-holes that penetrates through the rotor core in the direction of the rotation axis, the plurality of through-holes including through-holes embedding magnets. The rotor core includes inner bridges and outer bridges. At least one of the inner bridges and the outer bridges of the rotor core is made of an amorphous soft magnetic material, and other parts are made of a nanocrystal soft magnetic material.

Abstract: Provided is a laminate of soft magnetic ribbons having a simple structure and capable of avoiding a damage of the soft magnetic ribbons and improving the occupancy of the soft magnetic ribbons. The laminate of soft magnetic ribbons includes: a laminated part of first soft magnetic ribbons stacked; and a reinforcing part disposed at both ends of the laminated part in the stacking direction of the first soft magnetic ribbons. The reinforcing part includes second soft magnetic ribbons stacked in the stacking direction of the first soft magnetic ribbons and hardening resin that covers the second soft magnetic ribbons as a whole and is impregnated into areas between the neighboring second soft magnetic ribbons.

Abstract: An object of the present disclosure is to provide a production method for a stator in which a breakage of the stator core can be prevented when coils are mounted thereon. The present embodiment is a production method for a stator that includes a stator core having a tooth and includes a coil wound around the tooth. The method includes: a step of preparing a stacked body which has the tooth and in which a plurality of plate-like soft magnetic materials each including an amorphous structure are stacked; a step of mounting the coil on the tooth; and a step of, after the coil is mounted, heating the stacked body to a temperature equal to or higher than a crystallization temperature of the soft magnetic materials.

Abstract: A method of producing a homogenous skutterudite compound, CoSb3, having a crystallite diameter of 100 nm or less, by a convenient synthesis process, which is a method of producing CoSb3, comprising reducing Co2+ and Sb3+ to Co0 and Sb0, respectively, in a solution including a Co-containing compound and an Sb-containing compound using a reducing agent, wherein supplied amount of the Co-containing compound and the Sb-containing compound are adjusted in order to set a ratio of a reduction rate of Co2+ to Co0 to a reduction rate of Sb3+ to Sb0 to 1:2.9 to 1:3.1.

Abstract: A decorative coating film formed on a surface of a resinous base placed on a path of electromagnetic waves of a radar device, the decorative coating film including: fine particles of a silver alloy dispersed in the decorative coating film; and a light-transmissive binder resin with which the fine particles of a silver alloy are bonded, wherein the silver alloy consists of an alloy of silver and zinc, the zinc being contained in an amount of 0.5 to 50 mass % relative to the silver.

Abstract: Provided is a decorative coating which is formed on a surface of a resin substrate placed on a path of electromagnetic waves of a radar device. The decorative coating includes at least: fine particles of silver or a silver alloy that are dispersed in the decorative coating; and a light-transmissive binder resin that binds the fine particles. In this decorative coating, in the CIE 1976 (L*, a*, b*) color space, a chromaticness index a* and a chromaticness index b* of the decorative coating satisfy a relationship of 6.7?((a*)2+(b*)2)1/2?23.4.

Abstract: A decorative coating (10) that is formed on a surface of a resin substrate F that is placed on a path an electromagnetic waves of a radar device, and the decorative coating (10) is composed of a layer (2) in which metal nanoparticles (1) are covered with an inorganic oxide material.

Abstract: A decorative coating (10) that is formed on a surface of a resin substrate F that is placed on a path an electromagnetic waves of a radar device, and the decorative coating (10) is composed of a layer (2) in which metal nanoparticles (1) are covered with an inorganic oxide material.

Abstract: A capacitor formed by winding a multilayer film in which an insulation film, a cathode, electrode, an insulation film and an anode electrode are serially multilayered, wherein at least one of first insulation film and second insulation film is formed so that an end portion of insulation film on an inward side of the capacitor has a thickness larger than a thickness of an end portion thereof on an outward side of the capacitor.

Abstract: In a hybrid vehicle, rocker outer reinforcements serving as vehicle side frame members in a vehicle width direction extend in a vehicle front-rear direction. An electric power cable is provided such that a portion thereof along the vehicle front-rear direction is placed along an inner side surface of the rocker outer reinforcement in the vehicle width direction. An electric power cable is provided such that a portion thereof along the vehicle front-rear direction is placed along an inner side surface of the rocker outer reinforcement in the vehicle width direction. Further, each of the electric power cables is placed in a space portion formed between the rocker outer reinforcement and a center body pillar serving as an energy absorbing member absorbing energy in the event of a side collision of the vehicle.