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公开(公告)号：US20220402030A1
公开(公告)日：2022-12-22
申请号：US17811673
申请日：2022-07-11
申请人： Destiny Copper Inc.
摘要： Processes for producing copper granules on a surface of a reducing metal. The process can include contacting the reducing metal with an aqueous solution comprising a copper(II) salt and a halide. The molar ratio of the halide to the copper(II) in the copper (II) salt can be at least about 3:1. The granular copper can be produced on a surface of the reducing metal, and is optionally removed from the surface of the reducing metal by shaking, washing, and/or brushing, and/or optionally with stirring and/or circulating of the aqeuous solution.
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公开(公告)号：US11170813B2
公开(公告)日：2021-11-09
申请号：US16321327
申请日：2017-09-27
申请人： Sony Corporation
IPC分类号： G11B5/712 , G11B5/706 , G11B5/842 , H01F1/047 , B22F1/02 , B22F9/20 , H01F1/11 , H01F1/00 , B22F1/00
摘要： A method of producing a magnetic powder includes performing heat treatment on first particles that contain ferrous oxide to prepare 5 second particles that contain ε-iron oxide.
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3.发明授权公开(公告)号：US11090722B2
公开(公告)日：2021-08-17
申请号：US16608951
申请日：2018-04-27
申请人： SOLUETA CO., LTD.
发明人： Eui-Hong Min , Sang-Ho Cho , Buck-Keun Choi
摘要： Provided is a method for making nickel nanopowders into paste including: (a) preparing a nickel oxide configured in the form of an oxide; (b) preparing nano-sized nickel oxide nanopowders by pulverizing the nickel oxide; (c) a step of drying the nickel oxide nanopowders; (d) a step of preparing natural metal nickel nanopowders by preparing the nickel oxide nanopowders as the natural metal nickel nanopowders through a reduction process in a hydrogen atmosphere and heat-treating the same at the same time; (e) a step of simultaneously performing a step of crushing the natural metal nickel nanopowders prepared by the heat treatment and a nanopowder oxidation preventing coating step of forming an oxidation preventing film on the natural metal nickel nanopowders with an additive; and (f) a step of making the natural metal nickel nanopowders, which have been simultaneously subjected to the crushing and coating steps, into paste.
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公开(公告)号：US20210060654A1
公开(公告)日：2021-03-04
申请号：US16958150
申请日：2017-12-27
发明人： Haiyan MA , Hui LI , Guoqing LUO , Yuewei CHENG , Chunxia ZHAO , Xueqing CHEN , Zhidao WANG , Fukun LIN , Guoqi YANG , Ning WANG , Yinghui MA , Yanjie WANG , Lijun LI , Honggang ZHANG
摘要： A tantalum powder, a tantalum powder compact, a tantalum powder sintered body, a tantalum anode, an electrolytic capacitor and a preparation method for tantalum powder. The tantalum powder contains boron element, and the tantalum powder has a specific surface area of greater than or equal to 4 m2/g; the ratio of the boron content of the tantalum powder to the specific surface area of the tantalum powder is 2˜16; the boron content is measured in weight ppm, and the specific surface area is measured in m2/g; Powder that can pass through a ρ-mesh screen in the tantalum powder accounts for over 85% of the total weight of the tantalum powder, where ρ=150˜170; and the tantalum powder with high CV has a low leakage current and dielectric loss, and good moldability.
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公开(公告)号：US10689730B2
公开(公告)日：2020-06-23
申请号：US14935245
申请日：2015-11-06
发明人： Zhigang Zak Fang , Ying Zhang , Yang Xia , Pei Sun
摘要： A method (500) for producing a titanium product is disclosed. The method (500) can include obtaining TiO2-slag (501) and reducing impurities in the TiO2-slag (502) to form purified TiO2 (503). The method (500) can also include reducing the purified TiO2 using a metallic reducing agent (504) to form a hydrogenated titanium product comprising TiH2 (505). The hydrogenated titanium product can be dehydrogenated (506) to form a titanium product (508). The titanium product can also be optionally deoxygenated (507) to reduce oxygen content.
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公开(公告)号：US20200023440A1
公开(公告)日：2020-01-23
申请号：US16282385
申请日：2019-02-22
摘要： A method for producing a metal powder includes maintaining molten reducing metal in a sealed reaction vessel that is free of added oxygen and water, establishing a vortex in the molten reducing metal, introducing a metal halide into the vortex so that the molten reducing metal is in a stoichiometric excess to the metal halide, thereby producing metal particles and salt, removing unreacted reducing metal, removing the salt, and recovering the metal powder. The molten reducing metal can be a Group I metal, a Group II metal, or aluminum.
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公开(公告)号：US10513769B2
公开(公告)日：2019-12-24
申请号：US15125803
申请日：2014-11-03
发明人： Yuewei Cheng , Fukun Lin , Xueqing Zhang , Guoqing Luo , Haiyan Ma , Yinghui Ma , Yanjie Wang , Xuanyu Wang , Dongjie Zhang
IPC分类号： C22F1/18 , B22F9/20 , B22F1/00 , H01G9/052 , B22F3/10 , B22F5/00 , B22F9/24 , C21D3/02 , H01G9/00 , H01G9/042 , H01G9/04
摘要： The invention relates to the rare metal smelting field, and particularly, the present invention relates to a tantalum powder for preparing capacitors and a process for preparing the tantalum powder, and to a sintered anode prepared from the tantalum powder. As to the tantalum powder as provided by the invention, its primary tantalum powder has a BET of from 3.0 to 4.5 m2/g. After the secondary agglomeration, the tantalum powder has a large particle size. The tantalum powder has an average Fisher sub-sieve size (FSSS) of 1.2 to 3.0 μm wherein as measured with a standard sieve mesh, more than 75% of tantalum powder has a +325-mesh, and a particle size distribution D50 of more than 60 μm, that is, the secondary particle size is high. A resultant capacitor anode prepared by sintering the tantalum powder of the invention at 1200° C. for 20 minutes and then being energized at the voltage of 20 V has the specific capacitance of from 140,000 to 180,000 μFV/g and the residual current of less than 1.0 nA/μFV. Meantime, the invention provides an economical process for making the tantalum powder.
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公开(公告)号：US20190275589A1
公开(公告)日：2019-09-12
申请号：US16302419
申请日：2017-05-24
申请人： METALYSIS LIMITED
发明人： DION VAUGHAN , MELCHIORRE CONTI
IPC分类号： B22F9/20 , B22F1/00 , B22F3/105 , B22F3/115 , C23C4/123 , C23C4/18 , B22D23/00 , C22B34/12 , C25C3/28 , C25C5/04 , C25C7/00 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B33Y70/00 , B33Y40/00 , B23K26/00 , B23K26/342
摘要： A method and an apparatus for manufacturing a metallic article involve providing a non-metallic feedstock, for example in the form of an oxide of a desired metal or a mixture of oxides of the components of a desired metal alloy. A manufacturing apparatus has a reduction apparatus for electrochemically reducing the feedstock to a metallic product and a processor for converting the metallic product to a metallic powder. The powder is fed into an additive-manufacturing apparatus for fabricating the metallic article from the metallic powder. At least the reduction apparatus and the processor, and preferably also the additive-manufacturing apparatus, are collocated, or located in the same container, or in the same building, or on the same site.
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公开(公告)号：US20190271068A1
公开(公告)日：2019-09-05
申请号：US16286842
申请日：2019-02-27
摘要： The present invention relates to sputtering targets and other metal articles as well as methods of making the same. More particularly, the present invention relates to methods for forming powder metallurgy sputtering targets and other metallurgical articles made from metal powders that include spherical metal powders, and the resulting product.
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公开(公告)号：US20190270140A1
公开(公告)日：2019-09-05
申请号：US16343462
申请日：2017-10-20
摘要： Processes are provided for producing a titanium alloy material, such as Ti—Al alloys. In one embodiment, the process includes: heating an input mixture to a preheat temperature with the input mixture including aluminum, optionally, AlCl3, and, optionally ally, one or more alloying element halide; introducing TiCl4 to the input mixture at the first reaction temperature such that substantially all of the Ti4+ in the TiCl4 is reduced to Ti3+; thereafter, heating to a second reaction temperature such that substantially all of the Ti3+ is reduced to Ti2+ to form an intermediate mixture (e.g., a Ti2+ salt); and introducing the intermediate mixture into a reaction chamber at a disproportionation temperature reaction to form the titanium alloy material from the Ti2+ via a disproportionation reaction.
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