Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7879286 | Method of producing high strength, high stiffness and high ductility titanium alloys A method of producing a high strength, high stiffness and high ductility titanium alloy, comprising combining the titanium alloy with boron so that the boron concentration in the boron-modified titanium alloy does not exceed the eutectic limit. The carbon concentrat... | 02/01/2011 |
| 7829013 | Components of earth-boring tools including sintered composite materials and methods of forming such components The present invention includes consolidated hard materials, methods for producing them, and industrial drilling and cutting applications for them. A consolidated hard material may be produced using hard particles such as B4C or carbides or borides of W, T... | 11/09/2010 |
| 7771649 | Method of producing ultrafine crystalline TiN/TIBcomposite cermet Disclosed herein is a method of producing an ultrafine crystalline TiN/TiB2 composite cermet. In the method, titanium nitride (TiN)/titanium boride (TiB2)/stainless steel composite nanopowder is produced through a reaction milling process using... | 08/10/2010 |
| 7435376 | Composites and method for manufacturing same A composite of a metal matrix with one or more incorporated secondary phases is referred to as a metal matrix composite (MMC). Secondary phase refers to all the particles or fibers which have a different composition than the metal matrix, and which are incorporated ... | 10/14/2008 |
| 7396506 | Method for the preparation of highly densified superconductor massive bodies of MgB, relevant solid end-products and their use A method is described for the preparation of superconductor massive bodies of MgB2, having a density close to the theorical value, which comprises the following passages: mechanical activation of crystalline boron with the formation of activated powders; ... | 07/08/2008 |
| 7364692 | Metal matrix composite material with high thermal conductivity and low coefficient of thermal expansion Metal-matrix composites with combinations of physical and mechanical properties desirable for specific applications can be obtained by varying and controlling selected parameters in the material formation processes, particularly by increasing the microstructural hom... | 04/29/2008 |
| 7344606 | Permanent magnet manufacturing method and press apparatus An anisotropic bonded magnet is produced at a low cost by avoiding various problems caused by remanence. Also, the unit weight and density of a compact is increased by filling even a cavity, having no easily feedable shape, with a magnet powder just as intended. An ... | 03/18/2008 |
| 7337940 | Apparatus and method for friction stir welding of high strength materials, and articles made therefrom An apparatus for friction stir welding, a weld tool for friction stir welding, and a method for making a weld tool for friction stir welding are presented. The weld tool comprises doped tungsten. A method for manufacturing an article, where the method comprises prov... | 03/04/2008 |
| 7291384 | Piston ring and thermal spray coating used therein, and method for manufacturing thereof The piston ring of the present invention comprises a thermal spray coating comprising chromium carbide particles having an average particle size of 5 μm or less, and a matrix metal composed of a Ni—Cr alloy or a Ni—Cr alloy and Ni at least on an outer periphera... | 11/06/2007 |
| 7288133 | Three-phase nanocomposite A three-phase nanocomposite that comprises about 0.5 to 10 vol % nano-scale aluminum oxide particles and about 1 to 45% high modulus ceramic particles and an aluminum alloy matrix. The nano phase is to enhance nanocomposite strength and the modulus phase is to enhan... | 10/30/2007 |
| 7255752 | Method for manufacturing R-T-B system rare earth permanent magnet A method for manufacturing an R-T-B system rare earth permanent magnet that is a sintered body comprising a main phase consisting of an R2T14B phase (wherein R represents one or more rare earth elements (providing that the rare earth elements i... | 08/14/2007 |
| 7247186 | Advanced erosion resistant carbonitride cermets The invention includes a cermet composition represented by the formula (PQ) (RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W,... | 07/24/2007 |
| 7244318 | Method for preparation of permanent magnet A blended powder including a first powder containing an R2T14B phase as a main phase, and a second powder containing an R2T17 phase at 25 wt % or more of the whole is prepared. Herein, R is at least one element selected fr... | 07/17/2007 |
| 7214343 | Method for producing granulated powder of R—FE—B type alloy and method for producing R—FE—B type alloy sintered compact The method for producing a granulated powder of the present invention includes the steps of: preparing an R—Fe—B alloy powder; and granulating the alloy powder using at least one kind of granulating agent selected from normal paraffins, isoparaffins and depolyme... | 05/08/2007 |
| 7208056 | Rare earth sintered magnet, and method for improving mechanical strength and corrosion resistance thereof An R-T-B system rare earth sintered magnet having a high mechanical strength and excellent corrosion resistance is provided. The R-T-B system rare earth sintered magnet of the present invention comprises a sintered body comprising a main phase consisting of an R | 04/24/2007 |
| 7204891 | Remelting of rare earth magnet scrap and/or sludge, magnet-forming alloy, and sintered rare earth magnet Rare earth magnet scrap and/or sludge is remelted for reuse. Once a rare earth-free magnet-constituent metal feed is loaded in a melting furnace and heated into a melt, a rare earth-containing metal feed and the rare earth magnet scrap and/or sludge are added to the... | 04/17/2007 |
| 7201810 | Rare earth alloy sintered compact and method of making the same A rare earth alloy sintered compact includes a main phase represented by (LR1-xHRx)2T14A, where T is Fe with or without non-Fe transition metal element(s); A is boron with or without carbon; LR is a light rare earth elemen... | 04/10/2007 |
| 7186288 | Method for fabricating high purity, high density metal matrix composite materials and the product thereof A method of production of large Ingots of neutron attenuating composites using a vacuum-bellows system allows for large cross-sectional shapes to be extruded and rolled. This method uses a vacuum-bellows technology which allows the manufacturing of large 8–16 inch... | 03/06/2007 |
| 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 |
| 7175687 | Advanced erosion-corrosion resistant boride cermets A cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein, P is at least one metal selected from the group consisting of Group IV, Group V, Group VI elements, Q is boride, ... | 02/13/2007 |
| 7166171 | Longitudinal magnetic field compacting method and device for manufacturing rare earth magnets Disclosed is a longitudinal magnetic field compacting method and device for manufacturing a neodymium (Nd) based rare earth magnet in the shape of a butterfly for use in VCM of HDD or DVD, a disk or coin for use in coreless motors, and a block for use in linear moto... | 01/23/2007 |
| 7163591 | Method of preparing micro-structured powder for bonded magnets having high coercivity and magnet powder prepared by the same Disclosed is a method of preparing a micro-structured powder for bonded magnets having high coercivity, which is advantageous in terms of low preparation costs by recycling magnet scraps, simplified mass production, minimal environmental contamination by such a recy... | 01/16/2007 |
| 7147686 | Rare earth magnet, method for manufacturing the same, and motor using rare earth magnet A rare earth magnet comprises rare earth magnet particles and a rare earth oxide being present between the rare earth magnet particles. The rare earth oxide is represented by a following general formula (I): R2O3 (I) | 12/12/2006 |
| 7141126 | Rare earth magnet and method for manufacturing the same Rare earth alloy powder having an oxygen content of 50 to 4000 wt. ppm and a nitrogen content of 150 to 1500 wt. ppm is compacted by dry pressing to produce a compact. The compact is impregnated with an oil agent and then sintered. The sintering process includes a f... | 11/28/2006 |
| 7108830 | Apparatus and method for fabricating high purity, high density metal matrix composite materials and the product thereof A method of production of large Ingots of neutron attenuating composites using a vacuum-bellows system allows for large cross-sectional shapes to be extruded and rolled. This method uses a vacuum-bellows technology which allows the manufacturing of large 8–16 inch... | 09/19/2006 |
| 7097686 | Nickel powders, methods for producing powders and devices fabricated from same Nickel powder batches and methods for producing nickel powder batches. The powder batches include particles having a small particle size, narrow size distribution and a spherical morphology. The present invention is also directed to devices incorporating the nickel ... | 08/29/2006 |
| 7087202 | Particulate reinforced aluminum composites, their components and the near net shape forming process of the components This invention concerns particulate reinforced Al-based composites, and the near net shape forming process of their components. The average size of the reinforced particle in the invented composites is 0.1–3.5 μm and the volume percentage is 10–40%, and a good ... | 08/08/2006 |
| 7063815 | Production of composite materials by powder injection molding and infiltration Metal-metal or metal-ceramic/carbide composite materials are fabricated by combination of powder injection molding and infiltration. This is achieved by first forming a composite system having a matrix component and an infiltrant layer. The matrix component is forme... | 06/20/2006 |
| 7056393 | Method of making sintered compact for rare earth magnet A method of making a sintered body for a rare earth magnet includes the steps of (a) preparing a first coarse powder by coarsely pulverizing a rare earth alloy sintered body by a hydrogen pulverization process, (b) preparing a first fine powder by finely pulverizing... | 06/06/2006 |
| 7048808 | Rare-earth sintered magnet and method of producing the same The present invention provides a rare-earth sintered magnet exhibiting desirable magnetic properties in which the amount of Nd and/or Pr forming a non-magnetic phase in a grain boundary phase is reduced. Specifically, the present invention provides a rare-earth sint... | 05/23/2006 |
| 7045092 | Method for press molding rare earth alloy powder and method for producing sintered object of rare earth alloy A perpendicular pressing/compacting method for a rare-earth alloy powder is provided to produce a sintered magnet with excellent magnetic properties. A method for pressing a rare-earth alloy powder by using a die is provided. The die is made of a non-magnetic materi... | 05/16/2006 |
| 7018485 | Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using the apparatus An apparatus for subjecting a rare earth alloy block to a hydrogenation process includes a casing, gas inlet and outlet ports, a member arranged to produce a gaseous flow, and a windbreak plate. The casing defines an inner space for receiving a container. The contai... | 03/28/2006 |
| 7014811 | Method for producing rare earth sintered magnets A method for producing rare earth sintered magnets includes the steps of pressing and compacting an alloy powder for the rare earth sintered magnets, thereby preparing a plurality of green compacts, arranging the green compacts on a receiving plane in a direction in... | 03/21/2006 |
| 6994755 | Method of improving toughness of sintered RE-Fe-B-type, rare earth permanent magnets Disclosed are methods for producing compositionally modified sintered RE—Fe—B-based rare earth permanent magnets, by the addition of small amounts of Nd, Cu, Ti, Nb, or other transition metals, and mixtures thereof, to maximize fracture toughness with correspond... | 02/07/2006 |
| 6984271 | Rare earth magnet, process for producing same, and motor using rare earth magnet A rare earth magnet to be used in a motor. The rare earth magnet comprises rare earth magnet particles. Additionally, a rare earth oxide is present among the rare earth magnet particles, the rare earth oxide being represented by the following general formula (I): | 01/10/2006 |
| 6976419 | Surface pit forming method and member with surface pit A forming method is provided that has surface pits, and the formed product thereof including a member adjust step for obtaining a member having a surface layer portion constructed by weak portions and high strength portion of relatively higher strength than the weak... | 12/20/2005 |
| 6972109 | Method for improving tensile properties of AlSiC composites Metal-matrix composites with combinations of physical and mechanical properties desirable for specific applications can be obtained by varying and controlling selected parameters in the material formation processes, particularly by increasing the microstructural hom... | 12/06/2005 |
| 6960319 | Tungsten alloys for penetrator application and method of making the same Disclosed is a flow-softening tungsten alloy having the general formula: W100-pAiBjCkDe wherein W is tungsten; A is one or more elements selected from the ... | 11/01/2005 |
| 6938815 | Heat-resistant electronic systems and circuit boards Methods of making improved electronic systems and circuits boards, and more specifically to methods of making improved electronic systems and circuits boards using heat-resistant composite materials having superior mechanical, thermal, and electrical properties.... | 09/06/2005 |
| 6926777 | Method for producing rod-shaped permanent magnets The invention relates to a method for producing rod-shaped permanent magnets according to which pressed parts (2) are produced that are then assembled to a rod-shaped green product. Said green product is subsequently sintered, whereby a rod-shaped single-piec... | 08/09/2005 |
