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8151865 |
Method and apparatus for casting filaments
One embodiment is a method. The method includes providing a casting apparatus including a first chamber and a second chamber, wherein the first chamber is isolated from the second chamber. The...
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8096345 |
Method and apparatus for producing amorphous ribbon
A method and apparatus are provided for producing an amorphous ribbon by ejecting and rapidly solidifying molten alloy on a circumferential surface of a rapidly rotating cooling roll, wherein the...
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7867343 |
Rare earth magnet and method for production thereof
In a rare earth magnet, an added heavy rare earth element RH such as Dy is effectively used without any waste, so as to effectively improve the coercive force. First, a molten alloy of a material...
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7806165 |
Method for making hot strips of lightweight construction steel
In a method for making hot strips, a workable lightweight construction steel is used which in particular can easily be deep-drawn cold and includes the main elements Si, Al and Mn, with high...
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7722726 |
Process for producing alloy slab for rare-earth sintered magnet, alloy slab for rare-earth sintered magnet and rare-earth sintered magnet
The invention provides a method for producing alloy flakes for rare earth sintered magnets, which makes uniform the intervals, size, orientation, and shape of the R-rich region and the dendrites of...
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7695574 |
Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
A method for producing an RE-containing alloy represented by formula R(T1−xAx)13−y (wherein R represents Ce, etc.; T represents Fe, etc.; and A represents Al, etc; 0.05≦x≦0.2; and −1≦y≦1)...
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7588071 |
Continuous casting of foamed bulk amorphous alloys
Methods and apparatuses for the continuous casting of solid foam structures with varying bubble density from bulk solidifying amorphous alloys are provided. Continuously cast solid foam structures...
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7575040 |
Continuous casting of bulk solidifying amorphous alloys
A process and apparatus for continuous casting of amorphous alloy sheets having large sheet thickness using bulk solidifying amorphous alloys are provided. Thick continuous amorphous alloy sheets...
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7571757 |
Alloy flake for rare earth magnet, production method thereof, alloy powder for rare earth sintered magnet, rare earth sintered magnet, alloy powder for bonded magnet and bonded magnet
Disclosed is a rare earth magnet in the R—T—B (rare earth element-transition metal-boron) system that is made from an improved composition and properties of main phase alloy in the R—T—B system ...
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7550047 |
Rare earth element-iron-boron alloy and magnetically anisotropic permanent magnet powder and method for production thereof
A method of making a magnetically anisotropic magnet powder according to the present invention includes the steps of preparing a master alloy by cooling a rare-earth-iron-boron based molten alloy...
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7431070 |
Rare earth magnet alloy ingot, manufacturing method for the same, R-T-B type magnet alloy ingot, R-T-B type magnet, R-T-B type bonded magnet, R-T-B type exchange spring magnet alloy ingot, R-T-B type exchange spring magnet, and R-T-B type exchange spring bonded magnet
One object of the present invention is to provide a rare earth magnet alloy ingot, which has improved magnetic properties. In order to achieve the object, the present invention provides a rare...
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7306025 |
Methods for continuous casting of a molten material
A method for controlling and manipulating solidification of a molten material includes generating a gradient pattern on at least a portion of a substrate and depositing the molten material on at...
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7279053 |
Alloy thin ribbon for rare earth magnet, production method of the same, and alloy for rare earth magnet
The present invention provides a rare earth magnet superior in magnetic properties and thermal stability. In an aspect of the present invention, a production method of an alloy thin ribbon for a...
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7258751 |
Rare earth magnet and method for production thereof
In a rare earth magnet, an added heavy rare earth element RH such as Dy is effectively used without any waste, so as to effectively improve the coercive force. First, a molten alloy of a material...
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RE39656 |
Apparatus and method for producing metal fiber
The apparatus and a method are used to produce metal fiber, which can increase production efficiency of metal fiber using a metal plate and simplify manufacturing equipments and includes a...
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7160398 |
Method of making rapidly solidified alloy for magnet
A melt of an alloy, represented (Fe1-mTm)100-x-y-zQxRyMz, where T is Co and/or Ni, Q is B and/or C, R is at least one rare-earth element, M is selected from Al, Si, Ti, V, Cr, Mn, Cu, Zn, Ga, Zr,...
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7144463 |
Highly quenchable Fe-based rare earth materials for ferrite replacement
The present invention relates to highly quenchable Fe-based rare earth magnetic materials that are made by rapid solidification process and exhibit good magnetic properties and thermal stability....
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7138017 |
Rare earth magnet and method for producing the magnet
A method of making an alloy powder for an R—Fe—B-type rare earth magnet includes the steps of preparing a material alloy that is to be used for forming the R—Fe—B-type rare earth magnet and that ha...
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7082986 |
System and method for continuous casting of a molten material
A system and method for controlling and manipulating solidification of a molten material includes a substrate on which the molten material is deposited and a writing system that generates a...
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7022252 |
Permanent magnetic alloy and bonded magnet
The permanent magnetic alloy of the present invention comprises an R—Fe—B alloy wherein R is at least one element selected from rare earth elements including Y. The R—Fe—B alloy has a composi...
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7017645 |
Thermoplastic casting of amorphous alloys
A process and apparatus for thermoplastic casting of a suitable glass forming alloy is provided. The method and apparatus comprising thermoplastically casting the alloy in either a continuous or...
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6916385 |
Method of manufacturing magnet materials, and ribbon-shaped magnet materials, powdered magnet materials and bonded magnets
Disclosed herein is a method of manufacturing a magnetic material which can provide a bonded magnet having excellent magnetic properties and having excellent reliability. A melt spinning apparatus...
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6864793 |
Magnetic marker and manufacturing method therefor
A magnetic marker comprises a magnetically switchable wire and a magnetic casing that covers the magnetically switchable wire. The magnetically switchable wire is formed of a magnetic material that...
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6800145 |
Rare earth magnet alloy, manufacturing method thereof and product applied with rare earth magnet alloy
A Nd—Fe—B type rare earth magnet alloy is provided with hard magnetic phases each of which has a size equal to or less than 80 nm, soft magnetic phases each of which has a size equal to or less tha...
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6796365 |
Method of making aluminum matrix composite wire
Method provides ceramic fibers with a matrix that includes aluminum.
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6793742 |
Preparation of bonded rare earth magnet-forming alloy and bonded rare earth magnet composition
An alloy powder for bonded rare earth magnets is prepared by melting an alloy consisting essentially of 20-30 wt % of Sm or a mixture of rare earth elements (inclusive of Y) containing at least 50...
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6773517 |
Rare-earth alloy, rate-earth sintered magnet, and methods of manufacturing
A rare-earth alloy ingot is produced by melting an alloy composed of 20-30 wt % of a rare-earth constituent which is Sm alone or at least 50 wt % Sm in combination with at least one other...
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6749700 |
Method for producing amorphous alloy ribbon, and method for producing nano-crystalline alloy ribbon with same
An amorphous alloy ribbon free from embrittlement and crystallization and having excellent surface conditions and shape in edge portions is produced by (a) preparing an alloy melt having a...
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6695929 |
Method of making material alloy for iron-based rare earth magnet
A melt of an iron-based rare earth material alloy, represented by (Fe1-mTm)100-x-y-zQxRyMz, is prepared, wherein T is Co and/or Ni; Q is B and/or C; R is selected from Y (yttrium) and the rare...
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6668907 |
Casting wheel produced by centrifugal casting
The invention relates to novel casting wheels for the rapid solidification technique which are produced by centrifugal casting. The wheels are made of an alloy with a non-equiaxial granular...
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6663729 |
Production of aluminum alloy foils having high strength and good rollability
An aluminum alloy foil is formed from an alloy containing about 1.2 to 1.7% by weight Fe and about 0.35 to 0.80% by weight Si, with the balance aluminum and incidental impurities. The alloy is...
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6626228 |
Turbine component repair system and method of using thereof
A system and method for repairing turbine components. The system includes means for obtaining a rapidly solidified material having a means of forming a rapidly solidified repair material and a...
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6604570 |
Apparatus and method for manufacturing metal filaments
An apparatus and method for continuously manufacturing metal filaments in mass production. In accordance with the present invention, molten metal is hung in a state freely depending from the tip of...
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6585033 |
Process for producing vanadium alloy foil
The invention provides a process for producing vanadium alloy foil suitable as a membrane in a hydrogen-refining unit. A vanadium alloy comprising 5 to 25% by weight of at least one selected from...
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6585032 |
Strip casting plant
A strip casting plant with side limits arranged closely adjacent to a carrying belt. The side limits, and preferably the supply device for molten metal, are capable of vibrating and are connected...
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6581674 |
Method and device for homogenizing a molten metal film
Disclosed is a method and apparatus for making a molten film of metal, steel, in particular a steel film, more uniform, by strip casting, in which the molten material which is applied to a...
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6446702 |
Apparatus and method for producing metallic ribbon
An apparatus for producing a metallic ribbon includes a cooling roll, a melt nozzle, and an air-cutoff unit provided to cover at least a portion of the periphery of the cooling roll and at least...
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6405787 |
Method for winding rapidly quenched thin ribbon, apparatus for producing rapidly quenched thin ribbon, and rapidly quenched thin ribbon coil
A method for winding a rapidly quenched thin metal ribbon has the steps of (1) ejecting a molten metal onto a rotating cooling roll to rapidly solidify the molten metal to form a thin metal ribbon,...
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6401799 |
Method of manufacturing magnet material, ribbon-shaped magnet material, magnetic powder and bonded magnet
A magnet material having excellent magnetic properties and a bonded magnet formed of the magnet material as well as a method of manufacturing the magnet material are disclosed. The method of...
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6386269 |
Method of manufacturing thin plate magnet having microcrystalline structure
The present invention is presented with the object of providing a manufacturing method for thin-plate magnets that, as cast, exhibit an intrinsic coercive force iHc of 2.5 kOe or greater and a...
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6357637 |
Method and casting nozzle for casting-on a metal strip which is close to final dimensions
A method and a casting nozzle for starting the casting of a metal strip close its final dimensions. The method includes leading a melt via a melt-feed vessel into a pouring chamber of a siphon...
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6302972 |
Nanocomposite magnet material and method for producing nanocomposite magnet
An inventive material alloy for a nanocomposite magnet is represented by a general formula Fe100-x-y Rx By, Fe100-x-y-z Rx By Coz, Fe100-x-y-u Rx By Mu or Fe100-x-y-z-u Rx By Coz Mu. R is a...
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6299989 |
High stack factor amorphous metal ribbon and transformer cores
The present invention relates to a high stack factor amorphous metal transformer core, and to a process for constructing a high stack factor amorphous metal transformer core. The process uses high...
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6287391 |
Method of producing laminated permanent magnet
A method for manufacturing a permanent magnet by fabricating rapidly cooled alloy thin strip of amorphous composition which has good tenacity, simple working properties and an average thickness of...
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6168673 |
Sheet magnet having microcrystalline structure and method of manufacturing the same, and method of manufacturing isotropic permanent magnet powder
An object of this invention is to provide a thin-film magnet having a residual magnetic flux density Br of not less than 10 kG, a cost performance equal to that of a hard ferrite magnet, and a...
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6159313 |
Production of aluminum alloy strip for use in making thin gauge foils
A continuous cast aluminum alloy strip is used in the production of thin gauge or converter foils. The alloy strip contains 0.4 to 0.8% by weigth Fe and 0.2 to 0.4% by weight Si, has an an cast...
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6125912 |
Advanced neutron absorber materials
A neutron absorbing material and method utilizing rare earth elements such as gadolinium, europium and samarium to form metallic glasses and/or noble base nano/microcrystalline materials, the...
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6047763 |
Metal ribbon manufacturing apparatus
A metal ribbon manufacturing apparatus which comprises a cooling roll having a cooling surface for cooling a melt, a melt nozzle confronting the cooling surface with a prescribed gap maintained...
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6044897 |
Method of passivating commercial grades of aluminum alloys for use in hot chamber die casting
A process for increasing the productivity of aluminum castings from a hot chamber die casting machine, as well as a process for increasing the working life of an injection chamber for use in a hot...
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5965052 |
Supplying method for molten alloy for producing amorphous alloy thin strip
A method for supplying molten metal alloy for producing thin amorphous metal wire or thin amorphous metal strip by liquid quenching and solidification on a moving cooling substrate controls the...
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