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1. (WO2016056240) SUPERPLASTIC-FORMING ALUMINIUM ALLOY PLATE AND PRODUCTION METHOD THEREFOR
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2016/056240 International Application No.: PCT/JP2015/005121
Publication Date: 14.04.2016 International Filing Date: 08.10.2015
IPC:
C22C 21/00 (2006.01) ,B22D 11/00 (2006.01) ,B22D 11/049 (2006.01) ,B22D 11/124 (2006.01) ,C22F 1/047 (2006.01) ,C22F 1/00 (2006.01)
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
21
Alloys based on aluminium
B PERFORMING OPERATIONS; TRANSPORTING
22
CASTING; POWDER METALLURGY
D
CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
11
Continuous casting of metals, i.e. casting in indefinite lengths
B PERFORMING OPERATIONS; TRANSPORTING
22
CASTING; POWDER METALLURGY
D
CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
11
Continuous casting of metals, i.e. casting in indefinite lengths
04
into open-ended moulds
049
for direct chill casting, e.g. electromagnetic casting
B PERFORMING OPERATIONS; TRANSPORTING
22
CASTING; POWDER METALLURGY
D
CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
11
Continuous casting of metals, i.e. casting in indefinite lengths
12
Accessories for subsequent treating or working cast stock in situ
124
for cooling
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
F
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS
1
Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
04
of aluminium or alloys based thereon
047
of alloys with magnesium as the next major constituent
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
F
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS
1
Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
Applicants: UACJ CORPORATION[JP/JP]; 1-7-2, Otemachi, Chiyoda-ku, Tokyo 1000004, JP
Inventors: KUDO, Tomoyuki; JP
SHINZATO, Yoshifumi; JP
KURAMOTO, Ryo; JP
Agent: INOUE, Toshio; JP
Priority Data:
2014-20818809.10.2014JP
Title (EN) SUPERPLASTIC-FORMING ALUMINIUM ALLOY PLATE AND PRODUCTION METHOD THEREFOR
(FR) PLAQUE D'ALLIAGE D'ALUMINIUM À FORMAGE SUPERPLASTIQUE ET SON PROCÉDÉ DE PRODUCTION
(JA) 超塑性成形用アルミニウム合金板及びその製造方法
Abstract:
(EN) The present invention provides a superplastic-forming aluminium alloy plate that has excellent properties for superplastic forming, such as blow forming, and that has excellent surface properties after forming. Provided is a superplastic-forming aluminium alloy plate and a production method therefor, the superplastic-forming aluminium alloy plate being characterized by comprising an aluminium alloy which contains 2.0-6.0 mass% Mg, 0.5-1.8 mass% Mn, and 0.40 mass% Cr or less and in which the balance consists of Al and unavoidable impurities, wherein the unavoidable impurities are restricted to have 0.20 mass% Fe or less and 0.20 mass% Si or less, the 0.2% proof stress is 340 MPa or more, and the density of intermetallic compounds having an equivalent circular diameter of 5-15 µm at the RD-TD plane which extends along the center of the plate cross-section is 50-400 /mm2.
(FR) La présente invention concerne une plaque d'alliage d'aluminium à formage superplastique qui présente d'excellentes propriétés pour le formage superplastique, notamment le formage par soufflage, et d'excellentes propriétés de surface après le formage. L'invention propose une plaque d'alliage d'aluminium à formage superplastique et son procédé de production, la plaque d'alliage d'aluminium à formage superplastique étant caractérisée en ce qu'elle comprend un alliage d'aluminium qui contient de 2,0 à 6,0 % en masse de Mg, de 0,5 à 1,8 % en masse de Mn, et 0,40 % en masse de Cr ou moins, le solde étant constitué d'Al et d'inévitables impuretés. Les inévitables impuretés sont limitées de manière à présenter 0,20 % en masse de Fe ou moins et 0,20 % en masse de Si ou moins, la limite conventionnelle d'élasticité à 0,2 % est de 340 MPa ou plus, et la densité des composés intermétalliques ayant un diamètre circulaire équivalent de 5 à 15 µm au niveau du plan RD-TD qui s'étend au centre de la section transversale de la plaque est de 50 à 400 par mm2.
(JA)  ブロー成形などの超塑性成形性に優れ、かつ成形後の表面性状に優れる超塑性成形用アルミニウム合金板を提供する。Mg:2.0~6.0mass%、Mn:0.5~1.8mass%、Cr:0.40mass%以下を含有し、残部Al及び不可避的不純物からなり、当該不可避的不純物において、Fe:0.20mass%以下、Si:0.20mass%以下に規制されたアルミニウム合金からなり、0.2%耐力が340MPa以上であり、板断面中心を通るRD-TD面において、5~15μmの円相当径を有する金属間化合物の密度が50~400個/mmであることを特徴とする超塑性成形用アルミニウム合金板及びその製造方法。
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, 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
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)