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1. (WO2018159610) SOFT MAGNETIC FLAT POWDER HAVING HIGH MAGNETIC PERMEABILITY AND HIGH WEATHER RESISTANCE, AND SOFT MAGNETIC RESIN COMPOSITION CONTAINING SOFT MAGNETIC FLAT POWDER
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Pub. No.: WO/2018/159610 International Application No.: PCT/JP2018/007256
Publication Date: 07.09.2018 International Filing Date: 27.02.2018
IPC:
H01F 1/147 (2006.01) ,B22F 1/00 (2006.01) ,B22F 1/02 (2006.01) ,C22C 38/00 (2006.01) ,H01F 1/26 (2006.01) ,C22C 19/03 (2006.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
F
MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
1
Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
01
of inorganic materials
03
characterised by their coercivity
12
of soft-magnetic materials
14
metals or alloys
147
Alloys characterised by their composition
B PERFORMING OPERATIONS; TRANSPORTING
22
CASTING; POWDER METALLURGY
F
WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
1
Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition
B PERFORMING OPERATIONS; TRANSPORTING
22
CASTING; POWDER METALLURGY
F
WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
1
Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition
02
comprising coating of the powder
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
38
Ferrous alloys, e.g. steel alloys
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
F
MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
1
Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
01
of inorganic materials
03
characterised by their coercivity
12
of soft-magnetic materials
14
metals or alloys
20
in the form of particles, e.g. powder
22
pressed, sintered, or bound together
24
the particles being insulated
26
by macromolecular organic substances
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
19
Alloys based on nickel or cobalt
03
based on nickel
Applicants:
山陽特殊製鋼株式会社 SANYO SPECIAL STEEL CO., LTD. [JP/JP]; 兵庫県姫路市飾磨区中島字一文字3007番地 3007, Aza-Ichimonji, Nakashima, Shikama-ku, Himeji-shi, Hyogo 6728677, JP
Inventors:
澤田 俊之 SAWADA Toshiyuki; JP
三浦 滉大 MIURA Koudai; JP
Agent:
永井 浩之 NAGAI Hiroshi; JP
中村 行孝 NAKAMURA Yukitaka; JP
佐藤 泰和 SATO Yasukazu; JP
朝倉 悟 ASAKURA Satoru; JP
鈴木 啓靖 SUZUKI Hiroyasu; JP
Priority Data:
2017-03563428.02.2017JP
Title (EN) SOFT MAGNETIC FLAT POWDER HAVING HIGH MAGNETIC PERMEABILITY AND HIGH WEATHER RESISTANCE, AND SOFT MAGNETIC RESIN COMPOSITION CONTAINING SOFT MAGNETIC FLAT POWDER
(FR) POUDRE PLATE MAGNÉTIQUE SOUPLE À PERMÉABILITÉ MAGNÉTIQUE ET RÉSISTANCE AUX INTEMPÉRIES ÉLEVÉES ET COMPOSITION DE RÉSINE MAGNÉTIQUE SOUPLE CONTENANT LADITE POUDRE PLATE MAGNÉTIQUE SOUPLE
(JA) 高透磁率及び高耐候性を有する軟磁性扁平粉末及びこれを含有する軟磁性樹脂組成物
Abstract:
(EN) The purpose of the present invention is to provide: a soft magnetic flat powder having high magnetic permeability and high weather resistance; a soft magnetic resin composition containing the soft magnetic flat powder; and a magnetic sheet. In order to achieve the purpose, provided is a soft magnetic flat powder which is an aggregate of a plurality of soft magnetic flat particles, wherein each of the plurality of soft magnetic flat particles comprises an Fe-Si-Al-based flat particle and a coating layer formed on the surface of the Fe-Si-Al-based flat particle, and the total C amount (mass%) contained in the coating layer of the plurality of soft magnetic flat particles/the BET specific surface area (m2/g) of the soft magnetic flat powder is 0.01-1.00 (mass%·g/m2).
(FR) La présente invention vise à fournir : une poudre plate, magnétique et souple dont la perméabilité magnétique et la résistance aux intempéries sont élevées; une composition de résine magnétique souple contenant ladite poudre plate, magnétique et souple; une feuille magnétique. Pour atteindre ce but, l'invention concerne une poudre plate, magnétique et souple, qui est un agrégat d'une pluralité de particules plates, magnétiques et souples, chaque particule de la pluralité de particules plates, magnétiques et souples, comprenant une particule plate à base de Fe-Si-Al et une couche de revêtement formée sur la surface de la particule plate à base de Fe-Si-Al, et la quantité totale de C (% en masse) contenue dans la couche de revêtement de la pluralité de particules plates, magnétiques et souples/la surface spécifique BET (m2/g) de ladite poudre est de 0,01 à 1,00 (% en masse·g/m2).
(JA) 本発明は、各種の電子デバイス等に使用される、高透磁率及び高耐候性を有する軟磁性扁平粉末並びにこれを含有する軟磁性樹脂組成物及び磁性シートを提供することを目的とし、かかる目的を達成するために、複数の軟磁性扁平粒子の集合体である軟磁性扁平粉末であって、前記複数の軟磁性扁平粒子のそれぞれが、Fe-Si-Al系扁平粒子と、前記Fe-Si-Al系扁平粒子の表面に形成された被覆層とを備え、前記複数の軟磁性扁平粒子の被覆層に含まれる合計C量(質量%)/前記軟磁性扁平粉末のBET比表面積(m2/g)が、0.01~1.00(質量%・g/m)である、前記軟磁性扁平粉末を提供する。
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Designated 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, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, KE, KG, KH, KN, KP, KR, KW, 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
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)