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1. (WO2019044132) Fe-BASED ALLOY COMPOSITION, SOFT MAGNETIC MATERIAL, POWDER MAGNETIC CORE, ELECTRIC/ELECTRONIC-RELATED COMPONENT, AND DEVICE
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Pub. No.: WO/2019/044132 International Application No.: PCT/JP2018/023572
Publication Date: 07.03.2019 International Filing Date: 21.06.2018
IPC:
C22C 38/00 (2006.01) ,C22C 45/02 (2006.01) ,H01F 1/153 (2006.01)
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
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
45
Amorphous alloys
02
with iron as the major constituent
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
153
Amorphous metallic alloys, e.g. glassy metals
Applicants:
アルプスアルパイン株式会社 ALPS ALPINE CO., LTD. [JP/JP]; 東京都大田区雪谷大塚町1番7号 1-7, Yukigaya-otsukamachi, Ota-ku, Tokyo 1458501, JP
Inventors:
土屋 景子 TSUCHIYA, Keiko; JP
佐藤 祐輔 SATO, Yusuke; JP
岡本 淳 OKAMOTO, Jun; JP
小柴 寿人 KOSHIBA, Hisato; JP
Agent:
大窪 克之 OKUBO, Katsuyuki; JP
Priority Data:
2017-16729531.08.2017JP
Title (EN) Fe-BASED ALLOY COMPOSITION, SOFT MAGNETIC MATERIAL, POWDER MAGNETIC CORE, ELECTRIC/ELECTRONIC-RELATED COMPONENT, AND DEVICE
(FR) COMPOSITION D'ALLIAGE À BASE DE Fe, MATÉRIAU MAGNÉTIQUE DOUX, NOYAU MAGNÉTIQUE EN POUDRE, COMPOSANT ÉLECTRIQUE/ÉLECTRONIQUE ET DISPOSITIF
(JA) Fe基合金組成物、軟磁性材料、圧粉磁心、電気・電子関連部品および機器
Abstract:
(EN) The Fe-based alloy composition according to the present invention, the compositional formula thereof being (Fe1-aTa)100 atomic%-(x+y+z+b+c+d)MxBbCcSidPyCrz, T being one or more arbitrary additional elements selected from Co and Ni, M being one or more arbitrary additional elements selected from the group consisting of Ti, V, Zr, Nb, Mo, Hf, Ta, W, and Al, and the Fe-based alloy composition satisfying the conditions below, can be used to form a soft magnetic material containing an amorphous phase having a glass transition temperature Tg, and can be used to form a magnetic powder suitable for a powder magnetic core having excellent heat resistance. 0 ≤ a ≤ 0.3, 4 atomic% ≤ b ≤ 14 atomic%, 0.5 atomic% ≤ c ≤ 7 atomic%, 0.5 atomic% ≤ d ≤ 5.3 atomic%, 0 atomic% ≤ x ≤ 4 atomic%, 4 atomic% ≤ y ≤ 8 atomic%, 0.5 atomic% ≤ z ≤ 8 atomic%, and 70 atomic% ≤ 100 atomic% - (x + y + z + b + c + d) ≤ 79 atomic%.
(FR) La présente invention concerne une composition d'alliage à base de Fe ayant pour formule compositionnelle (Fe1-aTa)100 at%-(x+y+z+b+c+d)MxBbCcSidPyCrz, dans laquelle T représente au moins un élément supplémentaire arbitraire choisi parmi Co et Ni et M représente au moins un élément supplémentaire arbitraire choisi dans le groupe constitué par Ti, V, Zr, Nb, Mo, Hf, Ta, W et Al, la composition d'alliage à base de Fe satisfaisant aux conditions ci-dessous. Cette composition peut être utilisée pour former un matériau magnétique doux contenant une phase amorphe ayant une température de transition vitreuse Tg, et pour former une poudre magnétique appropriée pour un noyau magnétique en poudre ayant une excellente résistance à la chaleur. 0 ≤ A ≤ 0,3, 4 % atomique ≤ b ≤ 14 % atomique, 0,5 % atomique ≤ c ≤ 7 % atomique, 0,5 % atomique ≤ d ≤ 5,3 % atomique, 0 % atomique ≤ x ≤ 4 % atomique, % atomique ≤ y ≤ 8 % atomique, 0,5 % atomique ≤ z ≤ 8 % atomique, et 70 % atomique ≤ 100 % atomique - (x + y + z + b + c + d) ≤ 79 % atomique.
(JA) ガラス転移温度Tgを有するアモルファス相を含有する軟磁性材料を形成可能であって、組成式が(Fe1-a100原子%-(x+y+z+b+c+d)SiCrで表され、Tは任意添加元素であってCoおよびNiより選ばれる1種または2種であり、Mは任意添加元素であって、Ti,V,Zr,Nb,Mo,Hf,Ta,WおよびAlからなる群から選ばれる1種または2種以上からなり、下記の条件を満たすFe基合金組成物は、耐熱性に優れる圧粉磁心に適した磁性粉末を形成可能である。 0≦a≦0.3、 4原子%≦b≦14原子%、 0.5原子%≦c≦7原子%、 0.5原子%≦d≦5.3原子%、 0原子%≦x≦4原子%、 4原子%≦y≦8原子%、 0.5原子%≦z≦8原子%、かつ 70原子%≦100原子%-(x+y+z+b+c+d)≦79原子%
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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, JP, 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)