Abstract: There is provided a method of manufacturing a continuous wire comprising forming a strip formed from at least one metallic material into a channel, placing at least one powder into the channel and sealing edges of the channel together to produce a wire, wherein the method further comprises mixing the powder with a carrier liquid to create a slurry and placing the slurry into the channel. The carrier liquid is chemically inert with respect to the at least one powder.

Abstract: According to an aerosol coating method, a heat treatment process of preliminary ceramic particles having a first mean particle size (D50) is performed to form ceramic particles having a second mean particle size (D50) in micro unit larger than the first mean particle size. Thereafter, the ceramic particles are mixed with a carrier gas to form an aerosol. The aerosol is sprayed toward the base to form a ceramic coating film on the base.

Abstract: Active-powder biocidal composition comprising at least one copper salt and at least one zinc salt such that the molar ratio between the copper salt and the zinc salt is within the range of 10 to 1 and each copper and zinc salt, separately, has a solubility constant (Kps) within the range from a value greater than or equal to 1*10-20 to a value less than or equal to 9*10-6. Also included is the biocidal composition that comprises the active-powder composition and a polymer, and the method for the production of said biocidal composition, which comprises: thoroughly mixing the salts in such a manner as to obtain a homogeneous distribution of an active-powder biocidal composition; controlling the mixing temperature such that it remains at approximately less than 50° C.; and mixing the resulting mixture of active powders with a polymer.

Abstract: A winding support has at least two parts on which to wind an electrical double coil in two winding planes situated in parallel, orthogonal to a winding axis. Each part has an annular structure with base areas that are identical for all of the parts, and an outer surface that is a band of the surface of a straight cylinder between the bases. Each part has a slit-shaped cut-out extending in a longitudinal direction over a portion of the length of the cylinder. The parts are adjacently connected with one another with a lateral separation therebetween in the direction of the winding axis, and with the cut-outs forming a common slit extending over both parts. An electrical coil has such a winding support, and a method to produce such a coil includes winding a conductor on such a winding support.

Abstract: A metal laminated substrate for an oxide superconducting wire is manufactured such that a non-magnetic metal plate T1 having a thickness of not more than 0.2 mm and a metal foil T2 made of Cu alloy which is formed by cold rolling at a draft of not less than 90% and has a thickness of not more than 50 ?m is laminated to each other by room-temperature surface active bonding, after lamination, crystal of the metal foil is oriented by heat treatment at a temperature of not less than 150° C. and not more than 1000° C. and, thereafter, an epitaxial growth film T3 made of Ni or an Ni alloy having a thickness of not more than 10 ?m is laminated to the metal foil.

Abstract: A device for the high pressure densification of superconducting wire from compacted superconductor material or superconductor precursor powder particles, has four hard metal anvils (5, 6, 7, 8) with a total length (L2) parallel to the superconducting wire, the hard metal anvils borne in external independent pressure blocks (9, 10, 11), which are in turn either fixed or connected to high pressure devices, preferably hydraulic presses. At least one of the hard metal anvils is a free moving anvil (6) having clearances of at least 0.01 mm up to 0.2 mm towards the neighboring hard metal anvils (5, 8), so that no wall friction occurs between the free moving anvil and the neighboring anvils. This allows for high critical current densities Jc at reduced pressure applied to the hard metal anvils.

Abstract: A superconducting wire connection structure comprises a first superconducting wire and a second superconducting wire, ends of which are arranged across from each other, and a third superconducting wire which spans and connects the first superconducting wire and the second superconducting wire along a longitudinal direction of the first superconducting wire and the second superconducting wire. Each of the first superconducting wire, the second superconducting wire and the third superconducting wire is a tape-shaped superconducting wire which includes a substrate laminated with at least a superconductive layer. The third wire is narrower in at least one portion than the first superconducting wire and the second superconducting wire.

Abstract: A thermal insulation tube has a double-structure including a thermal insulation internal tube and a thermal insulation external tube, an intermediate connecting part has a double-structure including an outer container and an inner container, the internal tube and the external tube penetrate through a wall surface of the outer container and are introduced at least up to a wall surface of the inner container, a region between the internal tube and the external tube is sealed by joining an end to be introduced of the internal tube and an end to be introduced of the external tube, at an introduction portion of the external tube to be positioned on an inner side of a wall surface of the outer container, and a corrugated tubular part has a tube wall thinner than the external tube outside of the wall surface.

Abstract: A precursor material for the preparation of superconductors based on Bi2Sr2Ca1Cu2O8+? wherein the precursor material which is as close to equilibrium state as possible, i.e., has less than 5% in average 2201 intergrowths in the 2212 phase; in particular, the present invention relates to a precursor material, which is converted to the final conductor by partial melt processing, as well as to a process for the production of the precursor material and the use of the precursor material for preparing superconductors based on Bi2Sr2Ca1Cu2O8+?.

Abstract: A superconducting cable and connection structure includes one or more superconducting cables. Each cable has superconducting tapes wound about a former in a plurality of phases. Superconducting tapes of a first phase extends further toward a distal end of each cable end than the superconducting tapes of the second phase. The first and second cable ends of one superconducting cable (or a first end of a first superconducting cable and a second end of a second superconducting cable) are arranged with the first phase of the second cable end electronically coupled to the second phase of the first cable end. Connector structures may couple the cable ends together. The cable(s) form one or more loops within a cryostat, to form a degaussing coil.

Abstract: Reinforced high temperature superconducting silver wire and materials, and methods of producing reinforced high temperature superconducting silver composite wire. More specifically reinforcement materials and assemblies for attaining much higher stress, bend and surface indent tolerances at practical conductor dimensions are described. The reinforced wire or methods can include a silver wire core and a layer of high strength reinforcing metal.

Abstract: A method of electrically conductively connecting two superconductive cables includes freeing the conductors and screens of surrounding layers at the ends of the two cables. Subsequently, the ends of the two cables (1, 2) are placed next o each other and parallel to one another in such a way that their free ends point, in the same direction, and the ends are rigidly connected to one another in this position. The conductors and their screens are electrically conductively connected to each other through electrical contact elements (8, 9) extending transversely of the axial direction. and the two cable ends treated in this manner are arranged in a housing (10) of a cryostat when building up the transmission length which, during operation of the transmission length, a flowable cooling agent with insulating properties flows through the housing.

Abstract: A substrate of the present invention includes a copper layer, an alloy layer containing copper and nickel, formed on the copper layer, a nickel layer formed on the alloy layer, and an intermediate layer formed on the nickel layer. The concentration of nickel in the alloy layer at the interface between the alloy layer and the nickel layer is greater than the concentration of nickel in the alloy layer at the interface between the alloy layer and the copper layer. According to the present invention, there can be provided a substrate that allows the AC loss of a superconducting wire to be reduced, a method of producing a substrate, a superconducting wire, and a method of producing a superconducting wire.

Abstract: A superconducting coil and a rotating device, the performances of which are improved, and a superconducting coil manufacturing method are provided. A superconducting coil 10 is a saddle-shaped superconducting coil formed by winding a superconducting wire so as to form a race-track-like shape. The superconducting coil includes a curved portion 10b and a straight portion 10a connected to the curved portion 10b. In the curved portion 10b, an upper edge 10c is positioned closer to an inner peripheral side than a lower edge 10d is, and in the straight portion 10a, the upper edge 10c is positioned closer to an outer peripheral side than the lower edge 10d is.

Abstract: Disclosed is an iron-based superconducting wire comprising a tubular material formed mainly from iron, and an iron-based superconductor formed in the tubular material, wherein the iron-based superconductor contains the iron forming the tubular material as a chemical constituent element of the iron-based superconductor.

Abstract: A method for making superconducting wire is provided. A drawn carbon nanotube film is pulled out from a carbon nanotube array. The drawn carbon nanotube film is placed spaced from and opposite to a number of superconducting preforms on a carrier. The superconducting preforms are moved from the carrier onto the drawn carbon nanotube film by applying an electric field between the drawn carbon nanotube film and the carrier. A composite wire is made by twisting the drawn carbon nanotube film with the superconducting preforms thereon. Finally, the composite wire is sintered.

Abstract: A method of manufacturing a coil support member in which a thermosetting or thermoplastic material is introduced into a mould cavity and hardened, wherein one or more components are positioned within the mould cavity during the manufacturing process before the thermosetting or thermoplastic material is introduced, the components are then embedded in the thermosetting or thermoplastic material and form an integral part of the coil support member, and one or more functional filler materials are added to the thermosetting or thermoplastic material to improve the thermal matching between the integral components and the thermosetting or thermoplastic material.

Abstract: A cylindrical superconducting magnet has a number of axially-aligned annular coils of superconducting wire, arranged for cooling by thermal conduction through a cooled surface in mechanical contact with the coils. The coils are provided with a cryogenic radiation shield located between respective radially inner surfaces of the coils and respective axes of the coils. The cryogenic radiation shield is formed of a metal layer in thermal contact with the cooled surface.

Abstract: A method for winding a coil magnet with the stacked tape cables, and a coil so wound. The winding process is controlled and various shape coils can be wound by twisting about the longitudinal axis of the cable and bending following the easy bend direction during winding, so that sharp local bending can be obtained by adjusting the twist pitch. Stack-tape cable is twisted while being wound, instead of being twisted in a straight configuration and then wound. In certain embodiments, the straight length should be half of the cable twist-pitch or a multiple of it.

Abstract: A method for manufacturing a high temperature superconductor (=HTS) coated tape (20), with the following steps: preparation of a substrate tape (1), deposition of at least one buffer layer (2), deposition of an HTS film (3), deposition of a metallic protection layer (35) on the HTS film (3) and deposition of a metallic shunt layer (36) is characterized in that, prior to deposition of the metallic shunt layer (36), the partially prepared coated tape (10) undergoes a laser beam cutting in order to provide a desired tape form, wherein the laser beam cutting is applied together with a gas flow and/or a liquid flow (23). The method reduces the loss of critical current and reduces or avoids a deterioration of the critical temperature in a HTS coated tape due to tape cutting.

Abstract: A multilayer superconducting wire 7 with essentially round cross sectional area where the outer surface of the round wire is provided with a high temperature superconductor layer 3 and where at least the high temperature superconductor layer 3 is fabricated as a spiral running along the length of the superconductor wire 7 in parallel lanes 15.

Abstract: A superconducting article includes first and second stacked conductor segments. The first stacked conductor segment includes first and second superconductive segments and has a nominal thickness tn1. The second stacked conductor segment includes third and forth superconductive segments and has a nominal thickness tn2. The superconducting article further includes a joint region comprising a first splice connecting the first and third superconductive segments together and a second splice connecting the second and forth superconductive segments together. The first splice is adjacent to and bridged portions of the first and third superconductive segments along at least a portion of the joint region, and the second splice is adjacent to and bridged portions of the second and forth superconductive segments along at least a portion of the joint region. The joint region has a thickness tjr, wherein tjr is not greater than at least one of 1.8tn1 and 1.8tn2.

Abstract: Disclosed herein is a method of preparing a MgB2 superconducting wire and the MgB2 superconducting wire prepared thereby. The method comprising rolling a raw powder by using a powder rolling method. According to the method of the present invention has an effect of increasing an effective area where superconducting current can flow by improvement of the connectivity of a MgB2 superconducting powder and achievement of high density through a powder rolling process, and maintaining an uniform current value even in a large length because of the improvement of the connectivity.

Abstract: A conductor for transmitting electrical power having a cylindrical core (1) clad with a strip of metallic material (2), possibly comprising a superconductor, placed, in the shape of a tube, longitudinally around said core (I), its longitudinal edges being welded to each other along a weld seam (3). The core (1) has a slot (4, 4?) placed under said weld seam (3).

Abstract: A coated conductor with a substantially round cross section has a high temperature superconductor layer which is sandwiched between an inner substrate layer and an outer substrate layer to place the high temperature superconductor layer in the region of neutral strain axis.

Abstract: An MgB2 superconducting wire excellent in critical current density property is supplied by using a crystalline boron powder which is low in costs and easy to obtain. For the wire, a precursor of the MgB2 superconducting wire is used, the precursor having a linear structure including a core region containing a magnesium powder and a boron powder, and a sheath region formed of a metal covering an outer circumferential portion of the core region. The boron powder is crystalline, and has a volume-mean particle size of 2 ?m or less.

Abstract: A device for the high pressure densification of superconducting wire from compacted superconductor material or superconductor precursor powder particles, has four hard metal anvils (5, 6, 7, 8) with a total length (L2) parallel to the superconducting wire, the hard metal anvils borne in external independent pressure blocks (9, 10, 11), which are in turn either fixed or connected to high pressure devices, preferably hydraulic presses. At least one of the hard metal anvils is a free moving anvil (6) having clearances of at least 0.01 mm up to 0.2 mm towards the neighboring hard metal anvils (5, 8), so that no wall friction occurs between the free moving anvil and the neighboring anvils. This allows for high critical current densities Jc at reduced pressure applied to the hard metal anvils.

Abstract: A method for making superconducting wire is provided. A number of superconducting preforms is formed on a carrier. A carbon nanotube layer is placed spaced from and opposite to the carrier. The superconducting preforms are moved from the carrier onto the carbon nanotube layer by applying an electric field between the carbon nanotube layer and the carrier. A composite wire is made by treating the carbon nanotube layer with the superconducting preforms thereon. Finally, the composite wire is sintered.

Abstract: A method for making superconducting wire is provided. A drawn carbon nanotube film is pulled out from a carbon nanotube array. The drawn carbon nanotube film is placed spaced from and opposite to a number of superconducting preforms on a carrier. The superconducting preforms are moved from the carrier onto the drawn carbon nanotube film by applying an electric field between the drawn carbon nanotube film and the carrier. A composite wire is made by twisting the drawn carbon nanotube film with the superconducting preforms thereon. Finally, the composite wire is sintered.

Abstract: A method for fabricating a wire from textured powder includes compressing a powder comprising a plurality of particles into a ribbon. The method further includes encasing the ribbon between two foil sheets to create a sheet of encased ribbon. The method additionally includes rolling the encased ribbon into a substantially cylindrical undrawn wire. The method further includes drawing the undrawn wire to create a substantially cylindrical wire having a diameter less than a diameter of the substantially cylindrical undrawn wire.

Abstract: An improved process for the preparation of oxide superconducting rods. The present invention provides a process for the preparation of oxide superconducting rods. The process includes the steps of a cold isopressing process without addition of binder, particularly thin and those based on Ag-added (Bi,Pb)2 Sr2 Ca2 Cu3 O10+x is disclosed.

Abstract: A thermal insulation tube has a double-structure including a thermal insulation internal tube and a thermal insulation external tube, an intermediate connecting part has a double-structure including an outer container and an inner container, the internal tube and the external tube penetrate through a wall surface of the outer container and are introduced at least up to a wall surface of the inner container, a region between the internal tube and the external tube is sealed by joining an end to be introduced of the internal tube and an end to be introduced of the external tube, at an introduction portion of the external tube to be positioned on an inner side of a wall surface of the outer container, and a corrugated tubular part has a tube wall thinner than the external tube outside of the wall surface.

Abstract: The invention relates to a superconductive multi-phase, fluid-cooled cable system comprising a) a cable comprising at least three electrical conductors constituting at least two electrical phases and a zero- or neutral conductor, said electrical conductors being mutually electrically insulated from each other, and b) a thermal insulation defining a central longitudinal axis and having an inner surface and surrounding the cable, said inner surface of said thermal insulation forming the radial limitation of a cooling chamber for holding a cooling fluid for cooling said electrical conductors. The invention further relates to a method of manufacturing a cable system and to its use. The object of the present invention is to provide a simplified manufacturing and installation scheme for a fluid cooled cable system.

Abstract: A superconducting coil and a rotating device, the performances of which are improved, and a superconducting coil manufacturing method are provided. A superconducting coil 10 is a saddle-shaped superconducting coil formed by winding a superconducting wire so as to form a race-track-like shape. The superconducting coil includes a curved portion 10b and a straight portion 10a connected to the curved portion 10b. In the curved portion 10b, an upper edge 10c is positioned closer to an inner peripheral side than a lower edge 10d is, and in the straight portion 10a, the upper edge 10c is positioned closer to an outer peripheral side than the lower edge 10d is.

Abstract: A magnet coil configuration (20-24) is manufactured from a band-shaped conductor (1), which is slit in the longitudinal direction except for its two end areas (2, 3) such that the band-shaped conductor (1) has a first and a second half band (4, 5) and two end areas (2, 3) which connect these two half bands (4, 5) to form a closed loop. The two half-bands (4,5) of the slit band-shaped conductor (1) are initially wound onto two separate intermediate coils (14,15) and the final coil structure is subsequently wound by alternate extraction of the two half-bands (4,5) from the intermediate coils (14,15). A simple method is thereby proposed for winding a slit band-shaped conductor to form a magnet coil configuration which also generates strong magnetic fields.

Abstract: Disclosed herein is a superconducting strip having a metal coating layer and a method of manufacturing the superconducting strip.

Abstract: A method for producing a thick film includes disposing a precursor solution onto a substrate to form a precursor film. The precursor solution contains precursor components to a rare-earth/alkaline-earth-metal/transition-metal oxide including a salt of a rare earth element, a salt of an alkaline earth metal, and a salt of a transition metal in one or more solvents, wherein at least one of the salts is a fluoride-containing salt, and wherein the ratio of the transition metal to the alkaline earth metal is greater than 1.5. The precursor solution is treated to form a rare earth-alkaline earth-metal transition metal oxide superconductor film having a thickness greater than 0.8 ?m. precursor solution.

Abstract: A superconducting wire which is obtained by a heat treatment at a lower temperature than related art and has a high critical current density, and the process of manufacture can be provided by causing a compound expressed by the following formula (1) to be contained: Mg(B1-xCx)y??(1) where x is a number satisfying 0<x<1, and y is a number satisfying 2.1?y.

Abstract: The method of winding superconducting wire comprises a winding method comprising: winding the superconducting wire from the source reel onto the first lane of the first bobbin a first number of times in a first direction; fixing the first bobbin and the second bobbin to each other; winding the superconducting wire from the source reel onto the third lane of the second bobbin a second number of times in the first direction; separating the first bobbin and the second bobbin from each other; and winding the superconducting wire from the first lane of the first bobbin onto the fourth lane of the second bobbin a third number of times in a second direction which is different from the first direction while winding the superconducting wire from the third lane of the second bobbin onto the source reel the third number of times in the second direction.

Abstract: Disclosed is a three layer process for making contact points to a high transition temperature superconductor (HTSC), particularly to (Bi,Pb)2 Sr2 Ca2 CU3019+x with and without silver in the superconductor. The contact structure is a three layer configuration with a perforated silver foil (3) sandwiched between two metal spray gun deposited silver layers (2,5) and subsequent heat treatment in air. The contact has been made on tubes and rods (1). The silver contacts are capable of carrying a continuous current of 200 Amps without adding any substantial heat load to the cryogen used to cool the HTSC. The contact resistance at 4.2 K is in the range of 1.5×10 (hoch?8) to 8.5? 10 (hoch?8) OHM in zero applied filed.

Abstract: A superconductive electric cable is provided in which a cable core is arranged in a cryostat, where the cable core is composed of three phase conductors arranged concentrically around an inner cooling duct, with an electric insulation arranged between the phase conductors, and where the cryostat is surrounded by an electric insulation, which is surrounded by a neutral conductor of normally conductive materials. In this cable, a neutral conductor or a screening is arranged only outside of the cryostat, and is formed by normally conductive material which surrounds the cryostat as a common neutral conductor, where an insulating material is arranged between this neutral conductor and the cryostat.

Abstract: The invention provides a flux pump that includes a plurality of superconducting materials arranged to form at least one superconducting loop, at least one of the components being made of a superconductor that includes particles made of a superconductive material and a conductive material selected to be driven to a superconductive state when in proximity to the superconductive material, an unbroken section of the conductive material being located sufficiently close to a plurality of the particles to be driven to a superconductive state by the superconductive material.

Abstract: A method includes locating a defect in a first segment of high temperature superconducting wire. A second segment of high temperature superconducting wire is then positioned onto the first segment of high temperature superconducting wire such that the second segment of high temperature superconducting wire overlaps the defect. A path is then created such that current flows through the second segment of high temperature superconducting wire. The first segment of high temperature superconducting wire and second segment of high temperature superconducting wire are then laminated together.

Abstract: The superconducting winding (2) is configured such that it has a band-shaped HTS conductor (4) of the Röbel-conductor type, made of band-shaped HTS individual conductors that are transposed among each other. An armoring band (5) is to be wound to the prefabricated HTS conductor (4), the band not being metallurgically connected to the HTS conductor (4) and being subject to a comparatively larger winding tension (WZ2). The armoring band (5) is wound at a winding tension (WZ2) that is at least 1.5 times, preferably at least 3 times as large as the winding tension (WZ1) of the HTS conductor (4).

Abstract: The invention provides a MgB2 superconductive wire which is long and has a high critical current density. The invention provides a manufacturing method of a superconductive wire in which a magnesium or a magnesium alloy is reacted with a magnesium boride expressed by MgBx (x=4, 7, 12) by carrying out a heat treatment. A superconductive wire is characterized by the magnesium boride expressed by the MgBx (x=4, 7, 12) is included in a part.

Abstract: In a method and apparatus for joining a number of superconductive cables to establish electrical connection therebetween, a cup-like member having a base, a sidewall, and an opening to receive electrically conductive ends of said cables is provided. The base of the cup-like member is attached to a holder device. The holder device is attached to a cryogenically cooled surface. The ends of the superconductive cables are connected together within the cup-like member.

Abstract: The present invention provides a high-throughput system for the ex-situ formation of a superconducting thin film, such as rare-earth-barium-copper-oxide (REBCO), atop a continuous length of buffered metal substrate tape by heating a buffered metal substrate tape coated with precursors of REBCO These precursors, when heated and introduced to water vapor within a process chamber, decompose to form a functional superconducting thin film epitaxial to the buffer layer. A chamber such as a metalorganic chemical vapor deposition (MOCVD) reactor having showerhead and substrate heater assemblies designed for the creation of a long and wide deposition zone is well suited for use in the process the system. The chamber could be of cold-wall type where the walls are not heated or could of hot-wall type where the walls are heated.

Abstract: Disclosed is an iron-based superconducting wire comprising a tubular material formed mainly from iron, and an iron-based superconductor formed in the tubular material, wherein the iron-based superconductor contains the iron forming the tubular material as a chemical constituent element of the iron-based superconductor.

Abstract: A thin film superconductive wire material (16) and an electro conductive tape (15) are immersed in a solder bath (35) containing a solder, which includes Sn(tin) and Bi (bismuth), to bond the thin film superconductive wire material (16) and the electro conductive tape (15) and a composite superconductive wire material (10) is formed.

Abstract: Disclosed are a superconductive magnet manufactured by winding a thin superconductive rod wire in a coil without joint for maintaining a persistent current mode, and a method for manufacturing the same. The method includes winding both ends of a superconductive rod wire (10) on a first bobbin (21) and a second bobbin (22) respectively; forming a first unit rod wire (10a) and a second unit rod wire (10b) by slitting the superconductive rod wire (10) in the lengthwise direction; producing a pancake coil by winding the first and second unit rod wires (10a, 10b) on third bobbins (25) in one direction; and arranging the first and second unit rod wires (10a, 10b) such that magnetic fields (B, B?) in the same direction are generated from the pancake coil, by reversing one of the third bobbins (25) on which the first and second unit rod wires (10a, 10b) are wound.