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| Number | Title | Issue Date |
| 8153056 | Hardened martensitic steel, method for producing a component from this steel and component obtained in this manner The invention relates to steel which is characterized by the following composition as expressed in percentages by weight:—C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace−50 ppm, —Ni=10.5-15% with ... | 04/10/2012 |
| 7935303 | Low alloy steel According to a low alloy steel of the present invention, compositional elements thereof are limited, and a metal structure thereof comprises bainite or martensite. Further, proper amounts of Nd inclusions are formed by appropriately selecting timings of deoxidation ... | 05/03/2011 |
| 7347904 | Low carbon steel sheet and low carbon steel slab and process for producing same The present invention provides a low carbon steel sheet and a low carbon steel slab on which formation of surface defects can be surely prevented by preventing aggregation of inclusions in the molten steel and finely dispersing inclusions in the steel sheet or slab,... | 03/25/2008 |
| 7338566 | Alloy for sm-co based magnet, method for production thereof, sintered magnet and bonded magnet The present invention relates to a Sm—Co based magnet alloy useful as a raw material for producing magnets having high magnetic properties, such as sintered or bonded magnets, methods for producing such an alloy, and sintered or bonded magnets having excellent cor... | 03/04/2008 |
| 7316752 | R-T-B-C based rare-earth magnetic powder and bonded magnet The step of preparing a rapidly solidified alloy by rapidly quenching a melt of an R-T-B-C based rare-earth alloy (where R is at least one of the rare-earth elements including Y, T is a transition metal including iron as its main ingredient, B is boron, and C is car... | 01/08/2008 |
| 7264684 | Steel for steel pipes A steel for steel pipes which comprises, on the percent by mass basis, C: 0.2 to 0.7%, Si: 0.01 to 0.8%, Mn: 0.1 to 1.5%, S: 0.005% or less, P: 0.03% or less, Al: 0.0005 to 0.1%, Ti: 0.005 to 0.05%, Ca: 0.0004 to 0.005%, N: 0.007% or less, Cr: 0.1 to 1.5%, Mo: 0.2 t... | 09/04/2007 |
| 7208097 | Iron-based rare earth alloy nanocomposite magnet and method for producing the same An iron-based rare earth alloy nanocomposite magnet has a composition represented by (Fe1-mTm)100-x-y-zQxRyTiz, where T is Co and/or Ni, Q is B and/or C and R is rare earth element(s) including substa... | 04/24/2007 |
| 7175718 | Rare earth element permanent magnet material A material for a rare earth permanent magnet having a high magnetic coercive force and a high residual magnetic flux density. 28 to 35% by weight of at least one rare earth element selected from the group consisting of neodymium, praseodymium, dysprosium, terbium, a... | 02/13/2007 |
| 7138070 | Magnetic material manufacturing method, ribbon-shaped magnetic materials, powdered magnetic material and bonded magnets A magnetic material manufacturing method, a ribbon-shaped magnetic material manufactured by the method, a powdered magnetic material formed from the ribbon-shaped magnetic material and a bonded magnet manufactured using the powdered magnet material are disclosed. Th... | 11/21/2006 |
| 7052561 | Bulk amorphous steels based on Fe alloys A bulk amorphous alloy has the approximate composition: Fe(100−a−b−c−d−e)YaMnbTcMdXe wherein: T includes at least one of the group consisting of: Ni, Cu, Cr and Co; M includes at least one o... | 05/30/2006 |
| 7036616 | Hydrogen-electric hybrid vehicle construction An electric vehicle which carries at least two passengers, which has at least three wheels, said passengers sitting in tandem and most of the batteries or fuel cell systems are located on the sides of the passengers. The vehicle has an aerodynamically shaped body wi... | 05/02/2006 |
| 7025897 | Magnetic material manufacturing method, ribbon-shaped magnetic materials, powdered magnetic material and bonded magnets A magnetic material manufacturing method, a ribbon-shaped magnetic material manufactured by the method, a powdered magnetic material formed from the ribbon-shaped magnetic material and a bonded magnet manufactured using the powdered magnet material are disclosed. Th... | 04/11/2006 |
| 7025837 | Permanent magnets and R-TM-B based permanent magnets Permanent magnets in which the ferromagnetic phase is matched with the grain boundary phase, and permanent magnets in which magnetocrystalline anisotropy in the vicinity of the outermost shell of the major phase is equivalent in intensity to that in the inside to su... | 04/11/2006 |
| 7022384 | Reflective film, reflection type liquid crystal display, and sputtering target for forming the reflective film A reflective film used as a reflective electrode or a reflector, comprising an Ag-based alloy containing rare earth metals. The reflective film has high reflectivity and high durability. ... | 04/04/2006 |
| 7022303 | Single-crystal-like materials Polycrystalline materials of macroscopic size exhibiting Single-Crystal-Like properties are formed from a plurality of Single-Crystal Particles, having Self-Aligning morphologies and optionally ling morphology, bonded together and aligned along at least one, and up ... | 04/04/2006 |
| 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 composition mainly comprising Fe, substantially containing no N, and conta... | 04/04/2006 |
| 7018487 | Magnet containing low rare earth element and method for manufacturing the same An exchange-spring magnet is prepared using a magnet alloy containing Ta and C in addition to Nd, Fe and B. This exchange-spring magnet uses the magnet alloy prepared by a liquid quenching method or a mechanical alloying method. Further, by subjecting the magnetic a... | 03/28/2006 |
| 7014718 | 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 earth magnet alloy ingot, wherein the rare earth magnet alloy ingot compr... | 03/21/2006 |
| 6979409 | 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. More specifically, the invention relates to isotropic Nd—Fe—B type... | 12/27/2005 |
| 6979374 | Magnetic powder, manufacturing method of magnetic powder and bonded magnets Disclosed herein is a magnetic powder which can provide magnets having excellent magnetic properties and having excellent reliability especially excellent heat stability. The magnetic powder is composed of an alloy composition represented by Rx(Fe1-a... | 12/27/2005 |
| 6966953 | Modified sintered RE-Fe-B-type, rare earth permanent magnets with improved toughness Compositionally modified, sintered RE-Fe—B-based rare earth permanent magnets demonstrate the optimum combination of mechanical and magnetic properties, thereby maximizing fracture toughness with corresponding improved machinability, while maintaining the maximum ... | 11/22/2005 |
| 6955729 | Alloy for bonded magnets, isotropic magnet powder and anisotropic magnet powder and their production method, and bonded magnet An alloy for bonded magnets of the present invention includes at least a main component of iron (Fe), 12-16 atomic % (at %) of rare-earth elements (R) including yttrium (Y), and 10.8-15 at % of boron (B), and is subjected to a hydrogen treatment method as HDDR proce... | 10/18/2005 |
| 6905651 | Ferritic stainless steel alloy and its use as a substrate for catalytic converters A ferritic stainless steel alloy useful as a substrate for catalytic converter material consists of, by weight: 15-21% Cr, 8-12% Al, 0.01-0.09% Ce, 0.02-0.1% total of REM, and possible minor amounts of further elements, other than the ones mentioned, the balance bei... | 06/14/2005 |
| 6896745 | Magnetic powder, manufacturing method of magnetic powder and bonded magnets Disclosed herein is a magnetic powder which can provide magnets having excellent magnetic properties and having excellent reliability especially excellent heat stability. The magnetic powder is composed of an alloy composition represented by Rx(Fe1âˆ... | 05/24/2005 |
| 6852246 | Magnetic powder and isotropic bonded magnet Disclosed herein is magnetic powder which can provide a magnet having a high magnetic flux density and excellent magnetizability and reliability especially excellent heat resistance property (heat stability). The magnetic powder is composed of an alloy composition r... | 02/08/2005 |
| 6833036 | Rare earth permanent magnet A rare earth permanent magnet consists of 20-40 wt % of at least one rare earth element R, 0.5-4.5 wt % of boron B, 0.03-0.5 wt % of M (at least one of Al, Cu, Sn and Ga), 0.01-0.2 wt % of Bi, and the balance being at least one transition metal element T. ... | 12/21/2004 |
| 6830635 | Spindle-shaped goethite particles, spindle-shaped hematite particles, spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same The present invention relates to spindle-shaped goethite particles having an average major axial diameter of 0.05 to 0.18 μm, spindle-shaped hematite particles having an average major axial diameter of 0.05 to 0.17 μm, spindle-shaped magnetic metal particles conta... | 12/14/2004 |
| 6822831 | Magnetic thin film, magnetic thin film forming method, and recording head An object of the present invention is to provide a recording head having a magnetic pole simultaneously possessing a high saturation magnetic flux density, a high permeability and a high electric resistivity, and the magnetic pole of the recording head is a polycrys... | 11/23/2004 |
| 6790296 | Nanocomposite magnet and method for producing same A method of making a material alloy for an iron-based rare earth magnet includes the step of forming a melt of an alloy with a composition of (Fe1-mTm)100-x-y-z-n(B1-pCp)xRyTizM | 09/14/2004 |
| 6706124 | Permanent magnet including multiple ferromagnetic phases and method of producing the magnet An iron-based rare earth alloy magnet has a composition represented by the general formula: (Fe1-mTm)100-x-y-zQxRyMz, where T is at least one element selected from the group consisting of Co and Ni; Q... | 03/16/2004 |
| 6676773 | 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 has a chilled structure that constitutes about 2 volume ... | 01/13/2004 |
| 6660178 | Magnetic powder and bonded magnet Disclosed herein is a magnetic powder which can provide a bonded magnet having high mechanical strength and excellent magnetic properties. The magnetic powder has an alloy composition containing a rare-earth element and a transition metal, wherein the mag... | 12/09/2003 |
| 6652991 | Ductile NiAl intermetallic compositions The addition of small amounts of CeO2 and Cr to intermetallic compositions of NiAl and FeAl improves ductility, thermal stability, thermal shock resistance, and resistance to oxidation, sulphidization and carburization.... | 11/25/2003 |
| 6627313 | Spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same Spindle-shaped magnetic metal particles containing iron as a main component of the present invention, have an average major axis diameter (L) of 0.05 to 0.15 μm; a coercive force of 111.4 to 143.2 kA/m; a Co content of from 0.5 to less than 5 atm % based... | 09/30/2003 |
| 6589367 | Anisotropic rare earth-based permanent magnet material Disclosed is a magnetically anisotropic rare earth-based permanent magnet having a nanocomposite structure consisting of fine dispersion of a magnetically hard phase, e.g., Nd2 Fe14 B, in alignment relative to the easy magnetization ... | 07/08/2003 |
| 6582835 | Coated ferrite stainless steel sheet usable in the automobile exhaust sector Dip-coated ferrite stainless steel sheet usable in the automobile exhaust sector, characterized in that it comprises a steel core with the following composition by weight: 10.5%ࣘchromiumࣘ20% 0%ࣘaluminumࣘ0.6% 0.003%ࣘcarbonࣘ0.06% 0.003%ࣘnitrogenࣘ... | 06/24/2003 |
| 6521054 | Magnetic powder and isotropic bonded magnet Disclosed herein is a magnetic powder which can provide a magnet having excellent magnetic properties and having excellent reliability especially excellent in heat stability. The magnetic powder is composed of an alloy composition represented by Rx | 02/18/2003 |
| 6506264 | Ferromagnetic powder A ferromagnetic powder containing iron as the principal component and containing more than 5 to 50 at. % Co, 0.1 to 30 at. % Al, 0.1 to 10 at. % of a rare earth element inclusive of Y, 0.05% by weight or less of an element belonging to Group 1a of the Per... | 01/14/2003 |
| 6500277 | Magnetic powder and isotropic bonded magnet Disclosed herein is magnetic powder which can provide a magnet having a high magnetic flux density and excellent magnetizability and reliability especially excellent heat resistance property (heat stability). The magnetic powder is composed of an alloy co... | 12/31/2002 |
| 6451131 | Terbium-dysprosium-iron magnetostrictive materials and devices using these materials A Terbium-Dysprosium-Iron magnetostrictive material of the type Tb1-x Dyx Fe2-y wherein x is less than 0.7, and y is less than or equal to 0.1, and devices using these materials.... | 09/17/2002 |
