公开(公告)号：US11794247B2

公开(公告)日：2023-10-24

申请号：US17587728

申请日：2022-01-28

Applicant: AP&C Advanced Powders & Coatings, Inc.

Inventor： Frédéric Larouche ,  Frédéric Marion ,  Matthieu Balmayer

IPC: B22F1/00 ,  B22F9/08 ,  B22F1/16 ,  B22F1/145 ,  B22F1/065 ,  B22F1/142

CPC classification number: B22F9/082 ,  B22F1/065 ,  B22F1/142 ,  B22F1/145 ,  B22F1/16 ,  B22F2999/00 ,  B22F2999/00 ,  B22F1/145 ,  B22F2201/03 ,  B22F2201/04 ,  B22F2201/05 ,  B22F2999/00 ,  B22F1/145 ,  B22F2201/05 ,  B22F2201/04 ,  B22F2201/03

Abstract: There are provided reactive metal powder in-flight heat treatment processes. For example, such processes comprise providing a reactive metal powder; and contacting the reactive metal powder with at least one additive gas while carrying out said in-flight heat treatment process, thereby obtaining a raw reactive metal powder.

公开(公告)号：US20180137959A1

公开(公告)日：2018-05-17

申请号：US15794577

申请日：2017-10-26

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Shinjiro SAIGUSA ,  Naoki IWATA ,  Masafumi SUZUKI ,  Masaaki NISHIYAMA ,  Jung Hwan HWANG ,  Masashi OHTSUBO

IPC: H01F1/147 ,  H01F41/02 ,  B22F1/02

CPC classification number: H01F1/14791 ,  B22F1/02 ,  B22F2301/35 ,  B22F2302/20 ,  B22F2998/10 ,  B22F2999/00 ,  C22C33/0264 ,  H01F1/24 ,  H01F3/08 ,  H01F41/0246 ,  B22F1/0088 ,  B22F3/02 ,  B22F2003/248 ,  B22F2003/241 ,  B22F2201/05 ,  B22F2201/02

Abstract: A dust core includes: a plurality of soft magnetic particles each composed of an iron-based alloy containing aluminum, each of a surface of the plurality of soft magnetic particles being coated with an aluminum nitride film; and an aluminum oxide film with which at least the aluminum nitride films located at a surface of the dust core are entirely coated.

公开(公告)号：US20180051382A1

公开(公告)日：2018-02-22

申请号：US15537279

申请日：2015-12-15

Applicant: UNIVERSITÉ LAVAL

Inventor： Marc-André FORTIN ,  Mathieu BOUCHARD ,  Christian SARRA-BOURNET ,  Stéphane TURGEON

IPC: C25C7/06 ,  B22F1/00 ,  B22F9/16 ,  C25C1/20 ,  C25C5/02 ,  C25C7/02 ,  H05H1/24

CPC classification number: C25C7/06 ,  B22F1/0014 ,  B22F1/0018 ,  B22F9/12 ,  B22F9/16 ,  B22F2301/255 ,  B22F2999/00 ,  C25C1/20 ,  C25C5/02 ,  C25C7/00 ,  C25C7/02 ,  H05H1/00 ,  H05H1/2406 ,  H05H2001/2412 ,  H05H2242/10 ,  H05H2245/124 ,  B22F9/24 ,  B22F2202/13 ,  B22F2201/013 ,  B22F2201/02 ,  B22F2201/03 ,  B22F2201/04 ,  B22F2201/05 ,  B22F2201/10 ,  B22F2201/50

Abstract: A dielectric barrier discharge (DBD) plasma apparatus for synthesizing metal particles is provided. The DBD plasma apparatus includes an electrolyte vessel for receiving an electrolyte solution comprising metal ions; an electrode spaced-apart from the electrolyte vessel; a dielectric barrier interposed between the electrolyte vessel and the electrode such that, when the electrolyte solution is present in the electrolyte vessel, the dielectric barrier and an upper surface of the electrolyte solution are spaced-apart from each other and define a discharge area therebetween; and gas inlet and outlet ports in fluid communication with the discharge area such that supplying gas in the discharge area while applying an electrical potential difference between the electrode and the electrolyte solution cause a plasma to be produced onto the electrolyte solution, the plasma interacting with the metal ions and synthesizing metal particles. A method for synthesizing metal particles using a DBD plasma apparatus is also provided.

公开(公告)号：US20180029120A1

公开(公告)日：2018-02-01

申请号：US15223480

申请日：2016-07-29

Applicant: United Technologies Corporation

Inventor： Christopher W. Strock

IPC: B22F1/00 ,  B22F1/02

CPC classification number: B22F1/0096 ,  B22F1/0003 ,  B22F1/0059 ,  B22F1/02 ,  B22F1/025 ,  B22F2201/05 ,  B22F2202/01 ,  C08J3/128

Abstract: A method for manufacturing a powder comprises vaporizing a solvent; passing a metallic powder and a polymer powder through the solvent vapor to mix the metallic powder with the polymer powder; and removing the solvent.

公开(公告)号：US20170021427A1

公开(公告)日：2017-01-26

申请号：US15301388

申请日：2014-11-10

Applicant: XI'AN JIAOTONG-UNIVERSITY ,  XI'AN WONFU ENERGY AND ENVIROMENT TECHNOLOGIES CO., LTD.

Inventor： Shuzhong Wang ,  Lu Zhou ,  Yanmeng Gong ,  Lili Qian ,  Mengmeng Ren ,  Yanhui LI

IPC: B22F9/24 ,  F27D99/00 ,  B01D19/00 ,  B01J3/04 ,  B01D17/02 ,  B01D36/00 ,  B01J3/00 ,  B22F1/00 ,  B01D21/26

CPC classification number: B22F9/24 ,  B01D17/02 ,  B01D17/0217 ,  B01D19/0068 ,  B01D21/26 ,  B01D21/262 ,  B01D36/008 ,  B01J3/008 ,  B01J3/04 ,  B22F1/0018 ,  B22F2201/05 ,  B22F2202/03 ,  B22F2998/10 ,  F27D99/0001 ,  F27D2099/0058

Abstract: A system for preparing nanoparticles by supercritical hydrothermal synthesis is provided. Firstly, a mixture of a first reactant and a second reactant and high-temperature water at an outlet of a heating furnace (10) are mixed and are heated to a reaction temperature, the mixture is connected to a supercritical hydrothermal synthesis reactor (14), and a product at an outlet of the supercritical hydrothermal synthesis reactor enters a heat regenerator (9); hot water at an outlet of a low-temperature section of the heating furnace (10) first enters the heat regenerator, and then enters a high-temperature section of the heating furnace so as to be continuously heated to a set temperature; fluid at the pipe side outlet of the heat regenerator separately passes through a heat exchange coil in a first reactant modulation pool (1) and a steam generator (2) in a waste heat power generation system (20).

Abstract translation: 提供了一种通过超临界水热合成制备纳米颗粒的系统。 首先，在加热炉（10）的出口处混合第一反应物和第二反应物和高温水，并加热至反应温度，将混合物连接到超临界水热合成反应器（14） 并且超临界水热合成反应器出口处的产物进入热再生器（9）; 在加热炉（10）的低温部的出口处的热水首先进入蓄热体，然后进入加热炉的高温部分，以连续加热至设定温度; 在再生器的管侧出口处的流体分别通过废热发电系统（20）中的第一反应物调制池（1）和蒸汽发生器（2）中的热交换盘管。

公开(公告)号：US20160311026A1

公开(公告)日：2016-10-27

申请号：US15101958

申请日：2014-11-26

Applicant: NTN CORPORATION

Inventor： Naoki YASHIRO ,  Noritaka KAKO ,  Kouya OOHIRA

IPC: B22F3/24 ,  B22F3/02

CPC classification number: B22F3/24 ,  B22F1/0062 ,  B22F3/02 ,  B22F2003/023 ,  B22F2201/05

Abstract: A machine part having a radial crushing strength of more than 100 MPa is manufactured by: press forming raw material powder containing, as a main raw material, metal powder capable of forming an oxide film, to thereby provide a green compact; and forming the oxide film between particles of the metal powder forming the green compact through steam treatment.

Abstract translation: 具有大于100MPa的径向破碎强度的机器部件通过以下方式制造：将形成氧化膜的金属粉末作为主要原料的压制成型原料粉末，由此提供生坯; 以及通过蒸汽处理在形成所述生坯的所述金属粉末的颗粒之间形成所述氧化物膜。

公开(公告)号：US08562715B2

公开(公告)日：2013-10-22

申请号：US13124814

申请日：2009-10-14

Applicant: Benno Gries

Inventor： Benno Gries

IPC: B22F9/22

CPC classification number: B22F1/0003 ,  B22F9/22 ,  B22F2201/013 ,  B22F2301/20 ,  B22F2999/00 ,  C22B5/14 ,  C22B34/34 ,  C22C27/04 ,  B22F2201/05 ,  B22F2201/02

Abstract: The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.

Abstract translation: 本发明涉及一种在移动床，可烧结钼粉及其用途中生产可烧结钼金属粉末的方法。

公开(公告)号：US20110129685A2

公开(公告)日：2011-06-02

申请号：US11921514

申请日：2007-12-04

Applicant: Bjorn SKARMAN ,  Zhou YE ,  Patricia JANSSON

Inventor： Bjorn SKARMAN ,  Zhou YE ,  Patricia JANSSON

IPC: B22F7/02 ,  B22F3/14 ,  H01F1/01 ,  B22F1/00

CPC classification number: B22F3/02 ,  B22F1/0062 ,  B22F3/24 ,  B22F2003/241 ,  B22F2003/248 ,  B22F2998/00 ,  B22F2998/10 ,  B22F2999/00 ,  H01F1/14 ,  H01F1/24 ,  H01F1/33 ,  H01F3/08 ,  H01F27/255 ,  H01F41/0246 ,  Y10T428/12028 ,  B22F1/02 ,  B22F1/0003 ,  B22F3/1021 ,  B22F2201/00 ,  B22F2201/02 ,  B22F2201/10 ,  B22F2201/05

Abstract: A process for the manufacture of soft magnetic composite components is provided comprising the steps of die compacting a powder composition comprising a mixture of soft magnetic, iron or iron-based powder, the core particles of which are surrounded by an electrically insulating, inorganic coating, and an organic lubricant in an amount of 0.05 to 1.5% by weight of the composition, the organic lubricant being free from metal and having a temperature of vaporisation less than the decomposition temperature of the coating; ejecting the compacted body from the die; heating the compacted body in a non-reducing atmosphere to a temperature above the vaporisation temperature of the lubricant and below the decomposition temperature of the inorganic coating for removing the lubricant from the compacted body, and subjecting the obtained body to heat treatment at a temperature between 300° and 600° in water vapour. The invention also concerns soft magnetic composite components having a transverse rupture strength of at least 100 MPa, a permeability of at least 700, and a core loss at 1 Tesla and 400 Hz of at most 70 W/kg.

Abstract translation: 提供了一种用于制造软磁性复合材料部件的方法，包括以下步骤：将包含软磁性，铁或铁基粉末的混合物的粉末组合物模压成型，其核心颗粒被电绝缘的无机涂层包围， 和有机润滑剂，其含量为组合物重量的0.05-1.5％，有机润滑剂不含金属，其蒸发温度小于涂层的分解温度; 将压实体从模具中弹出; 将非压缩气氛中的压实体加热至高于润滑剂蒸发温度的温度并低于无机涂层的分解温度，以从压实体中除去润滑剂，并将所得体在 300°和600°的水蒸汽。 本发明还涉及具有至少100MPa的横向断裂强度，至少700的渗透率和至多70W / kg的1特斯拉和400Hz的铁心损耗的软磁性复合材料部件。

公开(公告)号：US07824465B2

公开(公告)日：2010-11-02

申请号：US12169794

申请日：2008-07-09

Applicant: Steven C. Larink, Jr.

Inventor： Steven C. Larink, Jr.

IPC: B22F9/08

CPC classification number: B22F9/026 ,  B22F1/0074 ,  B22F1/0077 ,  B22F2998/00 ,  B22F2201/05 ,  B22F2202/01 ,  B22F3/115

Abstract: A method for producing a metal powder product involves: Providing a supply of a precursor metal powder; combining the precursor metal powder with a liquid to form a slurry; feeding the slurry into a pulsating stream of hot gas; and recovering the metal powder product.

Abstract translation: 金属粉末制品的制造方法包括：提供前体金属粉末; 将前体金属粉末与液体组合以形成浆料; 将浆料送入脉动的热气流中; 并回收金属粉末产品。

公开(公告)号：US07300491B2

公开(公告)日：2007-11-27

申请号：US10493903

申请日：2002-10-24

Applicant: Yoshihiro Hirata ,  Yoshio Ueda ,  Hiroaki Takase ,  Kazuaki Suzuki

Inventor： Yoshihiro Hirata ,  Yoshio Ueda ,  Hiroaki Takase ,  Kazuaki Suzuki

IPC: B22F9/14

CPC classification number: B22F9/14 ,  B22F2999/00 ,  B22F2201/05

Abstract: Provide a method and apparatus for producing, in an economical manner, metal powder offering high purity and comprising uniform particle shape and size. Produce metal powder of titanium metal, etc., using an apparatus that comprises a power supply for high-voltage/current discharge, a feeder of metal electrode made of titanium metal, etc., a high-voltage discharge generator equipped with a metal electrode made of titanium, etc., and its counter electrode, a water tank, a water inlet, an outlet for produced metal dispersion solution containing titanium metal, etc., a discharge pump, and an adjunct device for separating/recovering metal powder of titanium metal, etc., from the metal dispersion solution containing titanium metal, etc.

Abstract translation: 提供一种以经济的方式制造提供高纯度并且包含均匀的颗粒形状和尺寸的金属粉末的方法和装置。 使用包括用于高压/电流放电的电源的设备，由钛金属制成的金属电极的馈电器等来生产钛金属等的金属粉末;配备有金属电极的高压放电发生器 由钛等制成，其对电极，水箱，进水口，用于生产含钛金属的金属分散液的出口等，排出泵和用于分离/回收钛金属粉末的辅助装置 金属等，从含有金属分散液的钛金属等