(12) International Application Status Report

Received at International Bureau: 08 April 2020 (08.04.2020)

Information valid as of: 09 September 2020 (09.09.2020)

Report generated on: 21 January 2021 (21.01.2021)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2020/20398008 October 2020 (08.10.2020) Japanese (JA)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/JP2020/01458230 March 2020 (30.03.2020) Japanese (JA)

(31) Priority number(s): (32) Priority date(s): (33) Priority status:
2019-067739 (JP)29 March 2019 (29.03.2019) Priority document received (in compliance with PCT Rule 17.1)

(51) International Patent Classification:
C22C 23/04 (2006.01); C22F 1/00 (2006.01); C22F 1/06 (2006.01)

(71) Applicant(s):
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY [JP/JP]; 3-1, Kasumigaseki 1-chome, Chiyoda-ku, Tokyo 1008921 (JP) (for all designated states)
NIPPON KINZOKU CO., LTD. [JP/JP]; 10-1, Funado 4-chome, Itabashi-ku, Tokyo 1748560 (JP) (for all designated states)
FUJI LIGHT METAL CO.,LTD. [JP/JP]; 2168 Nagasu, Nagasu-machi, Tamana-gun, Kumamoto 8690192 (JP) (for all designated states)

(72) Inventor(s):
CHINO Yasumasa; c/o Chubu Center, National Institute of Advanced Industrial Science and Technology, 2266-98, Aza-Anagahora, Oaza-Shimoshidami, Moriyama-ku, Nagoya-shi, Aichi 4638560 (JP)
HUANG Xinsheng; c/o Chubu Center, National Institute of Advanced Industrial Science and Technology, 2266-98, Aza-Anagahora, Oaza-Shimoshidami, Moriyama-ku, Nagoya-shi, Aichi 4638560 (JP)
NAKATSUGAWA Isao; c/o Chubu Center, National Institute of Advanced Industrial Science and Technology, 2266-98, Aza-Anagahora, Oaza-Shimoshidami, Moriyama-ku, Nagoya-shi, Aichi 4638560 (JP)
SATO Masahiko; c/o NIPPON KINZOKU CO., LTD., 10-1, Funado 4-chome, Itabashi-ku, Tokyo 1748560 (JP)
YAMAZAKI Kazumasa; c/o NIPPON KINZOKU CO., LTD., 10-1, Funado 4-chome, Itabashi-ku, Tokyo 1748560 (JP)
YAMANO Toyohiko; c/o NIPPON KINZOKU CO., LTD., 10-1, Funado 4-chome, Itabashi-ku, Tokyo 1748560 (JP)
INOUE Masashi; c/o FUJI LIGHT METAL CO.,LTD., 2168 Nagasu, Nagasu-machi, Tamana-gun, Kumamoto 8690192 (JP)
UEDA Hironori; c/o FUJI LIGHT METAL CO.,LTD., 2168 Nagasu, Nagasu-machi, Tamana-gun, Kumamoto 8690192 (JP)

(74) Agent(s):
TANAKA Shinichiro; NAKAMURA & PARTNERS, Shin-Tokyo Bldg., 3-1, Marunouchi 3-chome, Chiyoda-ku, Tokyo 1008355 (JP)

(54) Title (EN): MAGNESIUM ALLOY SHEET WITH EXCELLENT BALANCE BETWEEN STRENGTH AND DUCTILITY AND WORKABILITY AT ORDINARY TEMPERATURE
(54) Title (FR): FEUILLE D'ALLIAGE DE MAGNÉSIUM DOTÉE D'UN EXCELLENT ÉQUILIBRE ENTRE LA RÉSISTANCE ET LA DUCTILITÉ, ET D'UNE EXCELLENTE APTITUDE AU FAÇONNAGE À DES TEMPÉRATURES ORDINAIRES
(54) Title (JA): 強度-延性バランスと常温加工性に優れたマグネシウム合金板

(57) Abstract:
(EN): The present invention addresses the problem of providing a magnesium alloy sheet that can be shaped at ordinary temperatures and has an excellent balance between strength and ductility. The aforementioned problem can be solved by a magnesium alloy sheet comprising, by mass%, 2.4-5.0% of Zn, 0.3-2.0% of Ca, 0.0% to less than 1.5% of Al, with the Zn/Ca ratio falling within a range satisfying 2.0 to 14.0,and the balance magnesium and inevitable impurities, or by a magnesium alloy sheet further containing 0.0% to less than 0.5% of Sn and/or 0.0% to less than 1.7% of Mn in addition to the aforementioned composition.
(FR): L'invention concerne une feuille d'alliage de magnésium pouvant être façonnée à des températures ordinaires et dotée d'un excellent équilibre entre la résistance et la ductilité. La feuille d'alliage de magnésium selon l'invention comprend, en % en masse, de 2,4 à 5,0 % de Zn, de 0,3 à 2,0 % de Ca, 0,0 % ou moins de 1,5 % d'Al, le rapport Zn/Ca se trouvant dans une plage allant de 2,0 à 14,0, et le reste étant constitué de magnésium et d'impuretés inévitables. La feuille d'alliage de magnésium selon l'invention peut également comprendre 0,0 % ou moins de 0,5 % de Sn et/ou 0,0 % ou moins de 1,7 % de Mn, en plus de la composition susmentionnée.
(JA): 常温での成形が可能なマグネシウム合金板であって、優れた強度-延性バランスを有するマグネシウム合金板を提供することを課題とする。 質量%で、Znを2.4~5.0%、Caを0.3~2.0%、Alを0.0%以上1.5%未満含有し、かつZn/Caの比が2.0~14.0を満足する範囲であり、残部がマグネシウム及び不可避的不純物からなるマグネシウム合金板、または、前記組成にさらにSnを0.0%以上0.5%未満、及び/あるいはMnを0.0%以上1.7%以下含有するマグネシウム合金板により上記課題は解決される。

International search report:
Received at International Bureau: 29 June 2020 (29.06.2020) [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, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, WS, 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