[Problem] To provide a preferred facility/method for manufacturing a torque sensor shaft. [Solution] A facility for manufacturing a torque sensor shaft by forming, in a predetermined pattern, a magnetostriction part including a metal glass coating on a lateral surface of a shaft-shaped work piece. The present invention is characterized by comprising: a) rotatably attaching a shaft-shaped work piece on a conveyance pallet A; b) sequentially conveying the conveyance pallet A to work devices including a pre-heating device 20 for the shaft-shaped work piece, a thermal spraying device 40 for forming a metal glass coating on a lateral surface of the shaft-shaped work piece, a masking device 60 for providing a covering part corresponding to the abovementioned pattern on the coating, and a shot blasting device 70 oriented toward the metal glass coating including the covering part; and c) performing pre-heating, thermal spraying, masking, and shot blasting on the shaft-shaped work piece while rotating the shaft-shaped work piece on the conveyance pallet A in the work devices.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
[Problem] To provide a high velocity oxy-fuel spraying device with which coatings formed by high velocity oxy-fuel spraying can be made compact and hard by forming finer crystal grains. [Solution] This high velocity oxy-fuel spraying device, which makes material grains melted or semi-melted by a flame F sprayed at a speed higher than the speed of sound and sprays the same from a spray nozzle 10A, is characterized by having a cylindrical body 11 that surrounds the flame F on the downstream side of the spray nozzle 10A and blows out a cooling gas G from a tip part thereof for cooling the flame, and having, on the base end part of the cylindrical body 11, a gap 19 for bringing in outside air around the flame F within the cylindrical body 11.
B05B 7/20 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed by flame or combustion
B05B 7/06 - Spray pistolsApparatus for discharge with one outlet orifice surrounding another approximately in the same plane
[Problem] To provide: a corrosion-resistant coating which exhibits corrosion resistance superior to that of a conventional coating in a brine environment or the like; a method for forming the same; and an apparatus for forming the same. [Solution] A corrosion-resistant alloy coating is formed on the surface of a substrate by: (a) using a thermal spraying gun which can spray a flame that contains molten material particles toward the substrate and which has both a function of separating the flame from the open air in an upstream-side region (where the material particles are melted) of the spray path and a function of forcibly cooling the material particles and the flame in a downstream-side region (subsequent to the upstream-side region) by a jetted gas or mist from before the arrival of the material particles and the flame at the substrate; and (b) using an Al-containing corrosion-resistant alloy as the material particles.
C23C 4/08 - Metallic material containing only metal elements
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
4.
SEPARATOR MATERIAL FOR SOLID POLYMER FUEL CELLS HAVING EXCELLENT CORROSION RESISTANCE, CONDUCTIVITY AND FORMABILITY, AND METHOD FOR MANUFACTURING SAME
This metal separator for polymer electrolyte fuel cells (PEFC) having excellent corrosion resistance, conductivity and formability is manufactured at low cost. Thin sheets are manufactured as a raw material with a rapid quenching transition control and injection device, said raw material being obtained by mixing a corrosion resistant metal powder for forming a matrix with a conductive powder. The thin plate matrix can be cold molded when the thin plate matrix is in the form of a crystalline metal, and can be finished in a target separator shape by molding the thin plate matrix in a supercooled liquid state when in the form of a metallic glass.
C23C 4/10 - Oxides, borides, carbides, nitrides or silicidesMixtures thereof
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
C22C 45/04 - Amorphous alloys with nickel or cobalt as the major constituent
The purpose of the present invention is to produce a thin plate having excellent corrosion resistance, electroconductivity, and moldability at low cost. In a rapid quenching transition control injection device, a thin plate is produced using, as a raw material, a mixture of an anti-corrosive metal powder for forming a matrix and an electroconductive powder. There is obtained a thin plate in which the electroconductive material component is present without forming a solid solution, in the metal matrix forming a passive state and exhibiting corrosion resistance, and the thin plate exhibits the abovementioned characteristics.
C23C 4/10 - Oxides, borides, carbides, nitrides or silicidesMixtures thereof
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
C22C 45/04 - Amorphous alloys with nickel or cobalt as the major constituent
[Problem] To provide a method and a device whereby plastic working of an amorphous alloy, other than metallic glass, can be conducted. [Solution] An amorphous alloy film is formed by jetting on a heated base material. Immediately thereafter, the film is compressed before the temperature of the amorphous alloy becomes lower than a temperature range in which the amorphous alloy shows plastic fluidity. Preferably, a device provided with a means for supplying a metal film as the base material, a means for pre-heating the metal film, a jetting machine for forming the amorphous alloy film, a rolling mill and a means for controlling the amorphous alloy film temperature is used.
C23C 24/04 - Impact or kinetic deposition of particles
B21B 1/38 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets
By using a specific amorphous formation device and a roll as a base material and by limiting the temperature and the surface treatment method of the base material roll, it is possible to produce, with high production efficiency (production speed and success rate), a high-quality (high-amorphization-rate, low-porosity) amorphous sheet having a thickness of 100 µm or greater and a width of 100 mm or greater by easily separating the amorphous sheet from the base material roll.
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
[Problem] To provide: a large-sized formation device that is advantageous in forming a large-area amorphous film; and an amorphous film formation method performed by using said formation device. [Solution] This amorphous film formation device sprays a flame including material particles toward a base material with a spraying machine, fuses the material particles with the flame, and cools the material particles and the flame with a cooling gas from before the material particles and the flame reach the base material. Material particle spraying openings (11) and flame spraying openings (12) are provided continuously along a straight line in the front surface of the spraying machine such that the cross section of the flame including the material particles becomes long horizontally. Openings (13) from which an inert gas for regulating the flow of the flame and cooling same is sprayed are provided continuously along said straight line at positions on both sides of the material particle spraying openings (11) and the flame spraying openings (12) so as to sandwich same. Further, openings (14) from which a liquid mist for cooling the flame is sprayed are provided continuously along said straight line at positions on both sides of the inert gas spraying openings (13) so as to sandwich same.
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
B05B 7/20 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed by flame or combustion
9.
METHOD FOR MANUFACTURING AMORPHOUS PLATE AND DEVICE FOR MANUFACTURING SAME
[Problem] To provide an amorphous alloy sheet and an amorphous alloy film-coated sheet having greater thicknesses and widths compared to conventional manufacturing dimensions. [Solution] An amorphous alloy film is formed by performing spraying on a surface of a heated sheet base material, and the metal sheet with the amorphous alloy film is passed through a rolling machine in a state where the amorphous alloy is maintained in a temperature range in which the amorphous alloy has plastic flowability. Particularly, it is preferable to heat the sheet base material so that the sheet base material is 200-520°C at the time when the amorphous alloy film is formed.
C23C 24/08 - Coating starting from inorganic powder by application of heat or pressure and heat
B21B 1/22 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length
B21B 47/04 - Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal for separating layers after rolling
C22C 45/04 - Amorphous alloys with nickel or cobalt as the major constituent
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
[Problem] To provide a torque sensor which is improved with regard to the torque detection characteristic, manufacturing cost, and the like, and a manufacturing method therefor. [Solution] This torque sensor comprises a magnetostrictive section containing an amorphous alloy film (including a metallic glass film) formed on a surface of a rotation shaft. The amorphous alloy film in the magnetostrictive section is formed on the surface of the rotation shaft by means of thermal spray wherein a metallic powder is melted by spraying flame containing the metallic powder, and the flame is cooled by a cooling gas from the outside before the flame reaches the surface of the rotation shaft.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
11.
AMORPHOUS ALLOY WITH EXCELLENT CORROSION RESISTANCE AND EXCELLENT ELECTRICAL CONDUCTIVITY, AND USE THEREOF
The purpose of the present invention is to make an amorphous alloy which can resolve the problem of combining corrosion resistance and electrical conductivity and which exhibits ductility and is useful as a regular industrial material applicable to various fields. This amorphous alloy comprises at least 66at% of Ni and 5 to 25at% of B as a semi-metal. It is preferable that the amorphous alloy contains Mo and Nb as additional major elements, and further contains Cu in some cases. The amorphous alloy does not form any passive film, but exhibits corrosion resistance on the basis of the electrical double layer theory.
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