TOP > 外国特許検索 > FLAT METAL PARTICLE, MOLDED ARTICLE HAVING FLAT METAL PARTICLE, METHOD FOR MANUFACTURING FLAT METAL PARTICLE, AND METHOD FOR MANUFACTURING METAL PLATE

FLAT METAL PARTICLE, MOLDED ARTICLE HAVING FLAT METAL PARTICLE, METHOD FOR MANUFACTURING FLAT METAL PARTICLE, AND METHOD FOR MANUFACTURING METAL PLATE UPDATE

外国特許コード F170008916
整理番号 (S2015-0960-N0)
掲載日 2017年1月4日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2016JP061913
国際公開番号 WO 2016167286
国際出願日 平成28年4月13日(2016.4.13)
国際公開日 平成28年10月20日(2016.10.20)
優先権データ
  • 特願2015-081986 (2015.4.13) JP
発明の名称 (英語) FLAT METAL PARTICLE, MOLDED ARTICLE HAVING FLAT METAL PARTICLE, METHOD FOR MANUFACTURING FLAT METAL PARTICLE, AND METHOD FOR MANUFACTURING METAL PLATE UPDATE
発明の概要(英語) Provided are flat metal particles having an aggregate structure due to mechanochemical processing. In the present invention, a method for manufacturing flat metal particles includes mechanochemical processing performed on metal powder including metal particles having an average particle diameter of 0.1µm to 1000µm inclusive. In the mechanochemical processing, flat metal particles are formed from the metal particles by being subjected to rolling processing involving at least one from among processing for deforming the metal particles so as to be flat, processing for layering the metal particles that have been formed to be flat, and processing for flattening a mass of a plurality of the metal particles.
従来技術、競合技術の概要(英語) BACKGROUND ART
Is in a metal material, in order to improve its function, texture (also referred to as a crystal texture or texture) control are carried out. In the copper alloy used for electronic components, in order to obtain a compact high functionality of the product, further improving processability has been able to be obtained. A copper alloy material with high precision for processing it into a small member, a copper alloy material ensures good processibility and rolling the rolled alloy is desired. For example, the plate surface oriented parallel to the (111) surface, and the press formability of the rolled material to improve the bending workability is known to be important (non-patent document 1, non-patent document 2, patent document 1 reference). In addition, the non-patent document 4 is, with respect to a metal plate having a texture, including a bending processing for the plastic working is disclosed.
In addition, also for improving the performance of the electromagnetic steel plate, texture control is performed. From the global increase in environmental problems in recent years, in the electric appliance which have a small size, high output, high energy efficiency is enhanced has been a problem. As solution means, the electrical device is incorporated in the electromagnetic components, referred to as low iron loss of electromagnetic steel sheets and the material having high magnetic flux density is used. This electromagnetic steel plate by the improvement in characteristic of the electric appliance, the recrystallized texture formed by control technology, due to the texture. The basic control of the recrystallized texture, the easy axis of magnetization does not include a front surface of the {111} by subtracting, the easy axis of magnetization is a front face and {100} {110} including increase in the surface. For example, patent document 2 and patent document 3 a special hot rolling conditions {510} orientation<001>integrated on a {100} orientation utilizing<001>development method has been proposed.
Further, in a metal material is, the particulate can be replaced with a shape thereby improving the function can be achieved. In recent years, such as in aircraft, the problem of interference of electromagnetic waves by the portable electronic device, more specifically, the mobile phone electromagnetic interference by a malfunction of the medical device is responsible have been reported. Such as to suppress unnecessary high frequency radio waves, electromagnetic waves such as electromagnetic wave absorbing sheet noise suppressing body can be used. The electromagnetic wave absorbing sheet resin with particles of a metal material for the purpose of producing a composite. The noise suppression effect of the electromagnetic wave noise is, "μ" the imaginary part of complex magnetic permeability is as excellent as a large value. Μ of a filling rate of the metal particles in the resin and becomes higher in proportion. Therefore, flattened particulate metal material, by injection molding and oriented in a direction to enhance the filling rate (see Patent Document 4) are taken. In addition, the patent document 5, a metal board with metal powder (powder rolling method) a method of manufacturing is disclosed.
In addition, in the electromagnetic components, in order to achieve a low iron loss, particles may be fabricated by compression molding. Transformer, motor, generator or the like, using the product may be electromagnetic, many include the use of the alternating magnetic field, locally large to efficiently obtain the alternating magnetic field, an alternating magnetic field is provided in the core. Is a part of the electromagnetic core, in accordance with the frequency of the magnetic field generated in the interior of the core, reduced eddy current loss is obtained. Such a core is, metal particles coated with the insulating film obtained by forming a pressure. This is, the insulating coating of the particles in the eddy-current generation region by segmenting by, the reason for decrease the eddy current loss (see non-patent document 3).
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • NATIONAL INSTITUTE OF TECHNOLOGY
  • NATIONAL UNIVERSITY CORPORATION NAGAOKA UNIVERSITY OF TECHNOLOGY
  • 発明者(英語)
  • MOTOZUKA, Satoshi
  • MORINAGA, Masahiko
  • TAGAYA, Motohiro
国際特許分類(IPC)
指定国 National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JP KE KG KN KP KR KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
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