Abstract: Provided are molds for polar anisotropic ring-shaped bonded magnet molded articles which enable the production of bonded magnet molded articles with a high degree of roundness and only slight distortion, without the need for mold modification and preparation of a test mold, and a method of preparing such molds. The present invention relates to a method of preparing a mold for a polar anisotropic ring-shaped bonded magnet molded article, the method including: 1) determining the shrinkage length (Tc) of a desired polar anisotropic ring-shaped bonded magnet molded article using the following equation: Tc=T×(?1/100??2/100); 2) determining the radius (Dm) of a magnetic pole portion of a mold cavity using the following equation: Dm=D/(1??2/100); and 3) defining the outer peripheral shape of the mold cavity from the Tc, the Dm, and the number (P) of magnetic poles of the molded article.

Abstract: Aspects of the present disclosure provide a coating composition that includes a polymer material comprising an electrically conductive polymer; and a coated or partially coated magnetic material comprising a magnetic material and an antioxidant material. Aspects of the present disclosure further provide a method of making a coating composition that includes introducing, under first conditions, a magnetic material to a passivation solution comprising an antioxidant to form a coated (or partially coated) magnetic material; and introducing, under second conditions, the coated (or partially coated) magnetic material to a mixture comprising a polymer material to form a coating composition. Aspects of the present disclosure further provide a coated substrate that includes a film and a substrate, the film including a coating composition that includes an electrically conductive polymer, a magnetic material, and an antioxidant.

Abstract: [PROBLEM] To provide a wound magnetic core and a method for manufacturing a wound magnetic core permitting improvement of insulation between ribbon layers in a wound magnetic core at which soft magnetic metal ribbon has been wound to form an annular wound body. [SOLUTION MEANS] A nonmagnetic insulating metal oxide powder is made to adhere to a surface of a soft magnetic metal ribbon having an amorphous structure; this is wound in annular fashion and made into a wound body at which the metal oxide powder intervenes between ribbon layers; the wound body is made to undergo heat treatment in a nonoxidizing atmosphere; the wound body is thereafter subjected to treatment for formation of an oxide film in an oxidizing atmosphere adjusted to be at a temperature lower than that at the heat treatment to cause oxidation of the surface of the soft magnetic metal ribbon; and spaces between ribbon layers at the wound body are moreover impregnated with resin and curing is carried out to fuse the metal oxide powder thereto.

Abstract: A resonator comprising a magnetoelastic body having a mass load portion and an active resonating portion can be used in implementations such as a security tag. The resonator includes a mass at the mass load portion of the magnetoelastic body. Displacement of the magnetoelastic body is configured to occur at both the mass load portion and the active resonating portion. A strain at the active resonating portion during displacement is configured to be greater than a strain at the mass load portion during displacement.

Abstract: Provided are molds for polar anisotropic ring-shaped bonded magnet molded articles which enable the production of bonded magnet molded articles with a high degree of roundness and only slight distortion, without the need for mold modification and preparation of a test mold, and a method of preparing such molds. The present invention relates to a method of preparing a mold for a polar anisotropic ring-shaped bonded magnet molded article, the method including: 1) determining the shrinkage length (Tc) of a desired polar anisotropic ring-shaped bonded magnet molded article using the following equation: Tc=T×(?1/100??2/100); 2) determining the radius (Dm) of a magnetic pole portion of a mold cavity using the following equation: Dm=D/(1??2/100); and 3) defining the outer peripheral shape of the mold cavity from the Tc, the Dm, and the number (P) of magnetic poles of the molded article.

Abstract: A magnetic device for growing plants has a body, a set of magnetic elements and an actuation mechanism. The body has a space enclosing a base of the plants and allowing the plants to grow out of the space along a vertical axis. The magnetic elements are coupled to the body and surround the space so as to generate an axial magnetic field in the space. The actuation mechanism is coupled to the body so as to rotate the magnetic elements around the space and about the vertical axis. The base of the plants exposed to the rotating magnetic field to enhance growth of the plants.

Abstract: This invention is directed to a corrosion-resistant permanent magnet, to a method for producing a corrosion-resistant permanent magnet, and to an intravascular blood pump comprising the magnet. The magnet is corrosion resistant due to a composite coating comprising a first layer structure and optionally a second layer structure on the first layer structure, each layer structure comprising an inorganic layer, a linker layer on the inorganic layer, and an organic layer formed from poly(2-chloro-p-xylylene) on the linker layer. The inorganic layers comprise aluminum and/or aluminum oxide.

Abstract: A magnetic marker for marking a site in tissue in the body. In one embodiment, the marker comprises a magnetic metallic glass. In another embodiment, the marker is in a non-spherical configuration having an anisotropy ratio less than 9. In yet another embodiment, the marker is in a non-spherical configuration having an anisotropy ratio less than 6. In yet another embodiment, the marker is in a non-spherical configuration having an anisotropy ratio less than 3.

Abstract: Systems and methods for altering microstructures of materials are disclosed. The system may include at least one computing device in communication with a heating device and an electromagnetic device. The computing device(s) may be configured to alter a microstructure of a material forming a component by performing processes including heating the component using the heating device to a predetermined temperature. The predetermined temperature may be below a first phase-transformation temperature based on the material forming the component, and a second phase-transformation temperature based on the material forming the component, where the second phase-transformation temperature greater than the first phase-transformation temperature. The computing device(s) may also perform processes including intermittently magnetizing the heated component using the electromagnetic device for a predetermined number of cycles, and cooling the component after intermittently magnetizing the heated component.

Abstract: The invention provides method for making high coercivity magnetic materials based on FeNi alloys having a L10 phase structure, tetratenite, and provides a system for accelerating production of these materials. The FeNi alloy is made by preparing a melt comprising Fe, Ni, and optionally one or more elements selected from the group consisting of Ti, V, Al, B, C, Mo, Ir, and Nb; cooling the melt and applying extensional stress and a magnetic field. This is followed by heating and cooling to form the L10 structure.

Abstract: A position detection device includes a first magnetic field generation unit for generating a first magnetic field, a second magnetic field generation unit for generating a second magnetic field, and a magnetic sensor. The position of the second magnetic field generation unit relative to the first magnetic field generation unit is variable. The magnetic sensor detects the direction of a target magnetic field at a detection position in a reference plane. The target magnetic field is a composite magnetic field of first and second magnetic field components which are respective components of the first and second magnetic fields parallel to the reference plane. The magnetic sensor includes a magnetoresistive element including a free layer and a magnetization pinned layer. In the reference plane, two directions orthogonal to the magnetization direction of the magnetization pinned layer are each different from both of directions of the first and second magnetic field components.

Abstract: A magnetic sensor 1 is provided with: a thin film magnet 20 configured with a hard magnetic material and having magnetic anisotropy in an in-plane direction; a sensitive part 30 including a sensitive element 31 configured with a soft magnetic material and disposed to face the thin film magnet 30, the sensitive element 31 having a longitudinal direction in which a magnetic flux generated by the thin film magnet 20 passes through and a short direction, having uniaxial magnetic anisotropy in a direction crossing the longitudinal direction, and sensing a change in a magnetic field; and a control layer 102 disposed on a side of the thin film magnet 20 opposite to a side of the thin film magnet 20 on which the sensitive element 31 is provided, the control layer 102 controlling the magnetic anisotropy of the thin film magnet 20 to be directed in the in-plane direction.

Abstract: A rolling mill system for Incremental rotary shaping of an elongated workpiece is provided that includes first and second workpiece holders. A support frame has a track with the first and second workpiece holders being movably associated with the track, the workpiece holders and an associated workpiece being movable in unison along the track. A radial chuck is mounted to the frame that includes a plurality of jaws that are movable radially inwardly and outwardly. Each jaw has a tool mounted thereto that is rotatable about an axis of rotation, with the axis of rotation of each tool being oriented at a skew angle relative to the longitudinal axis of a workpiece. A source of electric current and an electrically conductive flow path are provided for flowing electrical current through a workpiece. A controller is provided that is configured to control the operation of each of the first motor, second motor and third motor, and to control the flow of current flowing through the tools to the workpiece.

Abstract: A magnetic field sensor includes a substrate, a first channel comprising a first magnetic field sensing element supported by the substrate and configured to generate a first magnetic field signal indicative of a first magnetic field experienced by the first magnetic field sensing element, a second channel comprising a second magnetic field sensing element supported by the substrate and configured to generate a second magnetic field signal indicative of a second magnetic field experienced by the second magnetic field sensing element, and at least one shield configured to reduce a bandwidth of the first magnetic field by a first amount and to reduce a bandwidth of the second magnetic field by a second amount. The shield is able to act as a magnetic anti-aliasing filter for the magnetic field sensing elements, which can then be chopped or sampled.

Abstract: A folding urban mobility vehicle includes a frame, a pair of front wheel assemblies carried by respective front arms articulated to the frame about a first axis, and a rear wheel assembly carried by a rear arm articulated to the frame about a second axis. In a folded configuration of the vehicle the front wheel assemblies are located within the frame and the rear wheel assembly extends within the frame between the two front wheel assemblies.

Abstract: A method of manufacturing a stator is provided. The method may include stamping steel into laminations each having an inner edge area defining a residual stress associated with a magnetic permeability. The method may also include exposing the laminations to a changing magnetic field such that, for each of the laminations, a density of resulting eddy currents is greatest near the inner edge area to heat the same relative to central areas of the lamination to decrease the residual stress and core loss.

Abstract: A magnetization method and a magnetization apparatus for forming an objective magnetized state in a one-dimensional region of a magnetic body, and a magnet for a magnetic encoder. In the magnetization method, magnetism in one direction is applied to an entire half wavelength interval of a sine wave on the magnetic body by a magnetizing yoke and a magnetized state of a first-order rectangle wave or of a first-order trapezoidal wave is formed in the interval, the magnetized state presenting polarity information in a rectangle or trapezoidal pulse shape; and thereafter, magnetism in opposite direction is applied to a start point and a terminal point of the interval by the same magnetizing yoke or a different magnetizing yoke one time or several times and the magnetized state of the first-order rectangle wave or of the first-order trapezoidal wave is changed into the objective magnetized state.

Abstract: A fixed beam 2 along which magnet-body holding sections 22 are consecutively provided is disposed so as to pass through a slurry 1. Sintered magnet bodies m placed in the magnet-body holding sections 22 by movable beams 3 are conveyed by repeating an operation in which the sintered magnet bodies m are moved to the following magnet-body holding sections 22. While being conveyed, the sintered magnet bodies m are passed through the slurry 1 to apply the slurry thereto, and are subsequently dried to remove a solvent in the slurry and affix a powder in the slurry thereto, and, as a result, the powder is continuously applied to the plurality of sintered magnet bodies. Accordingly, a rare-earth-compound powder can be uniformly applied to the surfaces of the sintered magnet bodies, and the amount of the slurry taken from a coating tank can be reduced to effectively decrease wasteful consumption.

Abstract: A soft magnetic powder of the invention has a composition represented by Fe100-a-b-c-d-e-fCuaSibBcMdM?eXf (at %) [wherein M is Nb, W, Ta, Zr, Hf, Ti, or Mo, M? is V, Cr, Mn, Al, a platinum group element, Sc, Y, Au, Zn, Sn, or Re, X is C, P, Ge, Ga, Sb, In, Be, or As, and a, b, c, d, e, and f are numbers that satisfy the following formulae: 0.1?a?3, 0<b?30, 0<c?25, 5?b+c?30, 0.1?d?30, 0?e?10, and 0?f?10], wherein a crystalline structure having a particle diameter of 1 nm or more and 30 nm or less is contained in an amount of 40 vol % or more, and the difference in the coercive force of the powder after classification satisfies predetermined conditions.

Abstract: A permanent magnet includes a stack of N patterns stacked immediately one above the other in a stacking direction, each pattern including an antiferromagnetic layer made of antiferromagnetic material, a ferromagnetic layer made of ferromagnetic material, the directions of magnetization of the various ferromagnetic layers of all the patterns all being identical to one another. At least one ferromagnetic layer includes a first sub-layer made of CoFeB whose thickness is greater than 0.05 nm, and a second sub-layer made of a ferromagnetic material different from CoFeB and whose thickness is greater than the thickness of the first sub-layer.

Abstract: A method producing soft magnetic strip material for roll tape-wound cores with the following steps: preparing a band-shaped material, applying a heat-treatment temperature to the band-shaped material, and applying a tensile force to the temperature-applied band-shaped material in one longitudinal direction of the band-shaped material in order to produce a tensile stress in the band-shaped material, to produce the soft magnetic strip material from the band-shaped material, the method, moreover, comprising determining at least one magnetic measurement value of the soft magnetic strip material that has been produced and controlling the tensile force for setting the tensile stress in a reaction to the determined magnetic measurement value. Furthermore, a device for carrying out the method and a roll tape-wound core produced by means of the method are made available.

Abstract: A magnetic core and method for the manufacture of the magnetic core is presented. The method comprises winding an amorphous tape of a soft magnetic nanocrystallizable alloy possessing a first coefficient of thermal expansion onto a carrier of a material possessing a second coefficient of thermal expansion, wherein the second coefficient is larger than the first coefficient; a first thermal treatment of the wound tape together with the carrier, wherein the first thermal treatment creates a tension in the tape although the alloy remains in an x-ray amorphous state, removing the carrier from the wound tape after cooling of the wound tape together with the carrier; and a second thermal treatment of the wound tape without the carrier, wherein the second thermal treatment provides a nanocrystalline alloy structure, at least 50% of the alloy structure being fine crystalline particles having an average particle size of 100 nanometers or less.

Abstract: A manufacturing method comprising: a process S1 of forming a plate member which has a substantially annular scrap portion having a center hole through an axial direction and a core plate portion defining a portion of the core pieces arranged continuously with the scrap portion on a radially inner side of the scrap portion; a process S2 of forming a laminated body, which has the core pieces, by laminating the plate member; a process S3 of providing the laminated body and the shaft in a mold; a process S4 of forming a molding body by inserting a molten resin or a nonmagnetic material in the mold and forming the filling portion of which at least a portion is located between the core pieces; and a process S5 of separating the scrap portion and the core plate portion.

Abstract: A magneto mechanical resonator device comprises a plurality of ferromagnetic elements disposed in a stacked arrangement, each ferromagnetic element having a first lengthwise end and a second lengthwise end. A first bias magnetic element is disposed adjacent to the first lengthwise end of the stacked arrangement and a second bias magnetic element is disposed adjacent to the second lengthwise ends of the stacked arrangement. A clamping element is disposed in a central lengthwise region of the stacked arrangement to restrict the vertical displacement of the plurality of ferromagnetic elements with respect to each other at the central lengthwise region, wherein the first and second ends experience flaring movement.

Abstract: Described is an apparatus which comprises: an input ferromagnet to receive a first charge current and to produce a corresponding spin current; and a stack of metal layers configured to convert the corresponding spin current to a second charge current, wherein the stack of metal layers is coupled to the input magnet.

Abstract: A motor may include a rotor comprising a shaft; a stator; and a bearing supporting the shaft. The rotor may include a plurality of core piece parts arranged along a circumferential direction; and a plurality of permanent magnets arranged between neighboring core piece parts. The permanent magnets may include two magnetic poles, and the magnetic poles of neighboring permanent magnets being arranged such that magnetic poles with identical polarity face each other in the circumferential direction. The core piece parts may include a concave portion, and two protrusions which are disposed on both sides of the concave portion and protrude radially inward. The protrusions may a portion located on a radially inner side from the first segment when viewed in an axial direction.

Abstract: The present invention provides a method for preparing a permanent magnet material, the method comprising coating step and infiltrating step, wherein, coating a rare earth element-containing substance on the surface of a permanent magnet, the magnet having a thickness of 10 mm or less at least in one direction, then placing the magnet into a container, vacuuming to an atmospheric pressure of below 10 Pa, closing the passageway, and then heat treating the closed container. Using the method of the present invention enables the rare earth element to infiltrate homogeneously with a high permeability. In addition, the present invention may have a lower production cost, significantly increase coercive force of the permanent magnet material, but decrease the remanence very little.

Abstract: A method of manufacturing an R-T-B rare earth sintered magnet includes a process of disposing and sintering a compact of a first alloy powder and an alloy material of a second alloy in a chamber of a sintering furnace. The first alloy consists of R which represents a rare earth element, T which represents a transition metal essentially containing Fe, a metal element M which represents Al and/or Ga, B, Cu, and inevitable impurities. The first alloy contains 11 at % to 17 at % of R, 4.5 at % to 6 at % of B, 0 at % to 1.6 at % of M, and T as the balance, and Dy content in all of the rare earth elements is 0 at % to 29 at %. The second alloy consists of R which represents a rare earth element, T which represents a transition metal essentially containing Fe, a metal element M which represents Al and/or Ga, B, Cu, and inevitable impurities. The second alloy contains 11 at % to 20 at % of R, 4.5 at % to 6 at % of B, and 0 at % to 1.

Abstract: A method may include annealing a material including iron and nitrogen in the presence of an applied magnetic field to form at least one Fe16N2 phase domain. The applied magnetic field may have a strength of at least about 0.2 Tesla (T).

Abstract: The present invention provides a magnetostrictive member with high performance, high reliability and high versatility. The magnetostrictive member is used in the vibration power generation as a power source for extracting electric energy from various vibrations. The member made of the single crystal is manufactured cheaper than the conventional manufacturing method. The magnetostrictive member is formed by cutting a single crystal of Fe—Ga alloy by using electric discharge machining in a state that <100> orientation of the crystal of the Fe—Ga alloy is aligned in a direction in which magnetostriction of the magnetostrictive member is required.

Abstract: Described herein is a method of forming a heat-treated material includes positioning the heat-treated material between first and second susceptors. Each of the first and second susceptors includes a tool face shaped according to a desired shape of the heat-treated material. The method also includes applying a low-strength magnetic field to the first and second susceptors to heat the first and second susceptors. Further, the method includes compressing the heat-treated material between the first and second susceptors to form the heat-treated material into the desired shape. The method additionally includes applying a high-strength magnetic field to the heat-treated material before compressing the heat-treated material between the first and second susceptors.

Abstract: In one embodiment, a permanent magnet rotor is provided. The permanent magnet rotor includes at least one permanent magnet and a substantially cylindrical rotor core including an outer edge and an inner edge defining a central opening. The rotor core includes a radius R, at least one pole, and at least one radial aperture extending radially though the rotor core from the outer edge to a predetermined depth less than the radius. The at least one radial aperture is configured to receive the at least one permanent magnet. The rotor further includes at least one protrusion extending into the at least one radial aperture, the at least one protrusion positioned substantially along a bottom of the at least one radial aperture and configured to facilitate retention of the at least one permanent magnet within the at least one radial aperture.

Abstract: An annealing system and method of operating is described. The annealing system includes a furnace having a vacuum chamber wall that defines a processing space into which a plurality of workpieces may be translated and subjected to thermal and magnetic processing, wherein the furnace further includes a heating element assembly having at least one heating element located radially inward from the vacuum chamber wall and immersed within an outer region of the processing space, and wherein the heating element is composed of a non-metallic, anti-magnetic material. The annealing system further includes a magnet system arranged outside the vacuum chamber wall of the furnace, and configured to generate a magnetic field within the processing space.

Abstract: A method of resin sealing a permanent magnet in a magnet insertion portion of a laminated body, the body formed by laminating plural core sheets and including the plural portions formed around a shaft hole in a center of the plural portions, the portion connected to an internal space via an opening. The method includes a first process of positioning a blocking member blocking the opening from a side of the space in a way that the member is vertically-placed in a lower die or an upper die, while the both dies hold the body from both sides in an axial direction and close the portion; and a second process of filling a resin extruded from a resin reservoir portion provided in the die or the die into the portion having the magnet inserted and having the opening closed by the member.

Abstract: Provided is a method of manufacturing a heat conductive sheet that itself is imparted with stickiness and has reduced heat resistance due to improved adhesion to a heat generator and a heat dissipater and that may be fixed provisionally without the need for using an adhesive agent or the like. The method includes the steps of molding a heat conductive resin composition, which includes heat conductive fillers and a binder resin, into a predetermined shape and curing the heat conductive resin composition to obtain a molded product of the heat conductive resin composition, cutting the molded product into sheets to obtain a molded product sheet, and coating an entire surface of a sheet main body (7) with an uncured component (8) of the binder resin oozing from the sheet main body (7).

Abstract: A motor having a structure capable of achieving an enhancement in durability and a washing machine, to which the motor is applied. The motor includes a stator including a plurality of stator cores arranged in a circumferential direction, and coils respectively wound around the stator cores, and a rotor rotatably arranged inside or outside the stator. The rotor includes a plurality of rotor cores arranged in a circumferential direction of the rotor, a plurality of magnets each disposed between neighboring ones of the rotor cores, a molded body having a bridge to support the plurality of rotor cores and the plurality of magnets, and a coupler including coupling ribs outwardly extending from an outer circumferential surface of the bridge in a radial direction of the rotor, and coupling grooves formed at inner ends of the rotor cores supported by the bridge, to receive the coupling ribs, respectively.

Abstract: An electric machine includes a primary section, a secondary section interacting with the primary section via an air gap during operation of the electric machine, and a first base element fastened to the secondary section. The base element includes a first pole shoe having a first end and a second end, with the second end of the first pole shoe facing the air gap, a second pole shoe having a first end and a second end, with the second end of the second pole shoe facing the air gap, and a permanent magnet disposed between the first pole shoe and the second pole shoe. The permanent magnet has a magnetization from the first pole shoe to the second pole shoe, and is formed by a matrix with a magnetically active material embedded therein.

Abstract: The present invention relates to an arrangement (10) for heating of a magnetic material (100) located in the center region of an inscribed sphere within a region of action, which arrangement comprises: —selection means (210) for generating a magnetic selection field (211) having a pattern in space of its magnetic field strength such that a first sub-zone (301) having a low magnetic field strength and a second sub-zone (302) having a higher magnetic field strength are formed in the region of action (300), —drive means (220) for changing the position in space of the two sub-zones (301, 302) in the region of action (300) by means of a magnetic drive field (221) so that the magnetization of the magnetic material (100) changes locally, and —control means (76) for controlling the drive means (220) to change the position in space of the first sub-zone (301) along a sequence of locations around said inscribed sphere for so long and with such a frequency that the center region of said inscribed sphere is heated.

Abstract: Embodiments of the invention disclose a liquid crystal display device and a method for manufacturing the same. The liquid crystal display device comprises: a color filter substrate including a first transparent substrate; and an array substrate including a second transparent substrate, wherein the first transparent substrate has a first transparent magnetic film layer formed thereon, the second transparent substrate has a second transparent magnetic film layer formed thereon, and the first transparent magnetic film layer and the second transparent magnetic film layer have the same magnetism.

Abstract: An internal permanent magnet machine includes a rotor assembly having a shaft comprising a plurality of protrusions extending radially outward from a main shaft body and being formed circumferentially about the main shaft body and along an axial length of the main shaft body. A plurality of stacks of laminations are arranged circumferentially about the shaft to receive the plurality of protrusions therein, with each stack of laminations including a plurality of lamination groups arranged axially along a length of the shaft and with permanent magnets being disposed between the stacks of laminations. Each of the laminations includes a shaft protrusion cut formed therein to receive a respective shaft protrusion and, for each of the stacks of laminations, the shaft protrusion cuts formed in the laminations of a respective lamination group are angularly offset from the shaft protrusion cuts formed in the laminations in an adjacent lamination group.

Abstract: A magnetic shield for a magnetic recording head includes a plurality of ferromagnetic layers, a spacer layer, and a buffer layer, wherein the buffer layer includes Co, Fe, B, or a combination thereof and effectively reduces irregular grain growth within the ferromagnetic layers, the spacer layer includes Ru, and the ferromagnetic layers magnetically couple through each of the buffer layer and the spacer layer.

Abstract: The method provides heat-resistant chromia- or alumina-forming Fe-, Fe(Ni), Ni(Fe), or Ni-based alloys having improved creep resistance. A precursor is provided containing preselected constituents of a chromia- or alumina-forming Fe-, Fe(Ni), Ni(Fe), or Ni-based alloy, at least one of the constituents for forming a nanoscale precipitate MaXb where M is Cr, Nb, Ti, V, Zr, or Hf, individually and in combination, and X is C, N, O, B, individually and in combination, a=1 to 23 and b=1 to 6. The precursor is annealed at a temperature of 1000-1500° C. for 1-48 h in the presence of a magnetic field of at least 5 Tesla to enhance supersaturation of the MaXb constituents in the annealed precursor. This forms nanoscale MaXb precipitates for improved creep resistance when the alloy is used at service temperatures of 500-1000° C. Alloys having improved creep resistance are also disclosed.

Abstract: Implementations disclosed herein provide a method comprising rocking an effective annealing magnetic field between a first positive angle and a second negative angle compared to a desired pinning field orientation in an AFM/PL structure, wherein an angular amplitude of rocking the effective annealing magnetic field between a first positive angle and a second negative angle gradually decreases towards the desired orientation of pinning in the AFM/PL structure.

Abstract: An article, system and method related to a magnetomechanical marker used to mark stationary assets. Magnetomechanical markers can be arranged in clusters and associated with stationary assets, including assets buried underground. Markers can be associated with an asset by being attached to the asset, arranged in a particular spatial relationship with the asset, or in any other appropriate way. A portable locating device can be used to generate an alternating magnetic field to activate the magnetomechanical marker and thus locate the asset.

Abstract: A manufacturing method and a manufacturing apparatus for a printing magnetic orientation master and a magnetic pigment presswork are provided. The manufacturing method for a printing magnetic orientation master comprises: providing a magnet; using a heat radiation beam to heat a partial area of the magnet so that a new magnetic domain structure is formed in the partial area through self-magnetization of the magnet to change a magnetic-field distribution in the partial area; and removing the heat radiation beam to keep the new magnetic domain structure after it is decreased to a normal temperature so that the changed magnetic-field distribution is kept in the partial area, thus forming the printing magnetic orientation master having a predetermined magnetic orientation pattern. This can simplify the manufacturing process of the printing magnetic orientation master and allow the printing magnetic orientation master to carry abundant pattern information.

Abstract: The present invention provides a structural body comprising a welded portion of a duplex stainless steel inclusive of an ? phase and a ? phase and an unwelded portion of the duplex stainless steel, wherein an X-ray diffraction intensity for the ? phase is higher in a heat affected zone including the welded portion than in the unwelded portion and becomes a local maximum within the heat affected zone. The present invention provides aA production method for a structural body of a duplex stainless steel, wherein a heat affected zone including a welded portion of the structural body is heat-treated between 600° C. and 800° C. while a magnetic field of 1˜10 T is applied to the heat affected zone.

Abstract: A method includes producing an amorphous precursor to a nanocomposite, the amorphous precursor comprising a material that is substantially without crystals not exceeding 20% volume fraction; performing devitrification of the amorphous precursor, wherein the devitrification comprises a process of crystallization; forming, based on the devitrification, the nanocomposite with nano-crystals that contains an induced magnetic anisotropy; tuning, based on one or more of composition, temperature, configuration, and magnitude of stress applied during annealing and modification, the magnetic anisotropy of the nanocomposite; and adjusting, based on the tuned magnetic anisotropy, a magnetic permeability of the nanocomposite.

Abstract: The present technology relates to a Ni—Mn—Ga magnetic shape memory (MSM) alloy including twin boundaries type 2, which are deviated approximately +/?2-4 degrees from (101) or equivalent crystallographic plane by rotation about [?101] or equivalent crystallographic direction. This technology relates also to an actuator, sensor and harvester including MSM element of this technology.

Abstract: A method of making a single crystal comprises heating a material comprising magnetic anisotropy to a temperature T sufficient to form a melt of the material. A magnetic field of at least about 1 Tesla is applied to the melt at the temperature T, where a magnetic free energy difference ?Gm between different crystallographic axes is greater than a thermal energy kT. While applying the magnetic field, the melt is cooled at a rate of about 30° C./min or higher, and the melt solidifies to form a single crystal of the material.

Abstract: A method for preparing the magnet includes the steps of: (a) providing a sintered Nd base magnet block having surfaces and a magnetization direction, (b) coating the surfaces of the magnet block excluding the surface perpendicular to the magnetization direction with a Dy or Tb oxide powder, a Dy or Tb fluoride powder, or a Dy or Tb-containing alloy powder, (c) treating the coated block at a high temperature for causing Dy or Tb to diffuse into the block, and (d) cutting the block in a plane perpendicular to the magnetization direction into a magnet segment having a coercive force distribution on the cut section that the coercive force is high at the periphery and lower toward the inside and a constant coercive force distribution in the magnetization direction.