(12) International Application Status Report

Received at International Bureau: 15 August 2018 (15.08.2018)

Information valid as of: 29 November 2018 (29.11.2018)

Report generated on: 20 July 2019 (20.07.2019)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2019/03146214 February 2019 (14.02.2019) Japanese (JA)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/JP2018/02947406 August 2018 (06.08.2018) Japanese (JA)

(31) Priority number(s): (32) Priority date(s): (33) Priority status:
2017-152108 (JP)07 August 2017 (07.08.2017) Priority document received (in compliance with PCT Rule 17.1)

(51) International Patent Classification:
B22F 1/00 (2006.01)

(71) Applicant(s):
HITACHI METALS,LTD. [JP/JP]; 2-70, Konan 1-chome, Minato-ku, Tokyo 1088224 (JP) (for all designated states)

(72) Inventor(s):
OHTA, Motoki; c/o HITACHI METALS, LTD.,2-70, Konan 1-chome, Minato-ku, Tokyo 1088224 (JP)
CHIWATA, Nobuhiko; c/o HITACHI METALS, LTD.,2-70, Konan 1-chome, Minato-ku, Tokyo 1088224 (JP)

(74) Agent(s):
NAKAJIMA, Jun; TAIYO, NAKAJIMA & KATO, Seventh Floor, HK-Shinjuku Bldg., 3-17, Shinjuku 4-chome, Shinjuku-ku, Tokyo 1600022 (JP)

(54) Title (EN): IRON-BASED NANOCRYSTALLINE ALLOY POWDER, METHOD FOR PRODUCING SAME, IRON-BASED AMORPHOUS ALLOY POWDER, AND MAGNETIC CORE
(54) Title (FR): POUDRE D'ALLIAGE NANOCRISTALLIN À BASE DE FE, SON PROCÉDÉ DE PRODUCTION, POUDRE D'ALLIAGE AMORPHE À BASE DE FE ET NOYAU MAGNÉTIQUE
(54) Title (JA): Fe基ナノ結晶合金粉末及びその製造方法、Fe基アモルファス合金粉末、並びに、磁心

(57) Abstract:
(EN): An iron-based nanocrystalline alloy powder which has an alloy structure that contains nanocrystalline particles and has an alloy composition represented by compositional formula (1). Compositional Formula (1): Fe100-a-b-c-d-e-f-gCuaSibBcModCreCfNbg In compositional formula (1), 100 - a - b - c - d - e - f - g, a, b, c, d, e, f and g represent the atomic percentages of the respective elements; and a, b, c, d, e, f and g satisfy 0.10 ≤ a ≤ 1.10, 13.00 ≤ b ≤ 16.00, 7.00 ≤ c ≤ 12.00, 0.50 ≤ d ≤ 5.00, 0.001 ≤ e ≤ 1.50, 0.05 ≤ f ≤ 0.40 and 0 ≤ (g/(d + g)) ≤ 0.50.
(FR): Poudre d'alliage nanocristallin à base de Fe qui a une structure d'alliage qui contient des particules nanocristallines, tout en ayant une composition d'alliage représentée par la formule de composition (1). Formule de composition Fe100-a-b-c-d-e-f-gCuaSibBcModCreCfNbg (1). Dans la formule de composition (1), 100 - a - b - c - d - e - f - g, a, b, c, d, e, f et g représentent les pourcentages atomiques des éléments respectifs ; et a, b, c, d, e, f et g satisfont 0,10 ≤ a ≤ 1,10, 13,00 ≤ b ≤ 16,00, 7,00 ≤ c ≤ 12,00, 0,50 ≤ d ≤ 5,00, 0,001 ≤ e ≤ 1,50, 0,05 ≤ f ≤ 0,40 et 0 ≤ (g/(d + g)) ≤ 0,50.
(JA): 下記組成式(1)で表される合金組成を有し、 ナノ結晶粒を含む合金組織を有するFe基ナノ結晶合金粉末。 Fe100-a-b-c-d-e-f-gCuaSibBcModCreCfNbg … 組成式(1) 組成式(1)中、100-a-b-c-d-e-f-g、a、b、c、d、e、f、及びgは、それぞれ、各元素の原子%を示し、かつ、a、b、c、d、e、f、及びgが、0.10≦a≦1.10、13.00≦b≦16.00、7.00≦c≦12.00、0.50≦d≦5.00、0.001≦e≦1.50、0.05≦f≦0.40、及び、0≦(g/(d+g))≦0.50を満足する。

International search report:
Received at International Bureau: 15 October 2018 (15.10.2018) [JP]

International Report on Patentability (IPRP) Chapter II of the PCT:
Not available

(81) 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
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 (OAPI) : BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG
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 Organization (EAPO) : AM, AZ, BY, KG, KZ, RU, TJ, TM