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1. (WO2018179395) HOT STAMPED MOLDING
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2018/179395 International Application No.: PCT/JP2017/013760
Publication Date: 04.10.2018 International Filing Date: 31.03.2017
IPC:
C23C 2/12 (2006.01) ,C21D 1/18 (2006.01) ,C21D 9/00 (2006.01) ,C22C 18/04 (2006.01) ,C22C 21/10 (2006.01) ,C22C 38/00 (2006.01) ,C22C 38/06 (2006.01) ,C22C 38/58 (2006.01) ,C23C 2/28 (2006.01) ,C23C 2/40 (2006.01)
C CHEMISTRY; METALLURGY
23
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
C
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
2
Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
04
characterised by the coating material
12
Aluminium or alloys based thereon
C CHEMISTRY; METALLURGY
21
METALLURGY OF IRON
D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
1
General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering
18
Hardening; Quenching with or without subsequent tempering
C CHEMISTRY; METALLURGY
21
METALLURGY OF IRON
D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
9
Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
18
Alloys based on zinc
04
with aluminium as the next major constituent
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
21
Alloys based on aluminium
10
with zinc as the next major constituent
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
38
Ferrous alloys, e.g. steel alloys
06
containing aluminium
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
18
containing chromium
40
with nickel
58
with more than 1.5% by weight of manganese
C CHEMISTRY; METALLURGY
23
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
C
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
2
Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
26
After-treatment
28
Thermal after-treatment, e.g. treatment in oil bath
C CHEMISTRY; METALLURGY
23
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
C
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
2
Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
34
characterised by the shape of the material to be treated
36
Elongated material
40
Plates; Strips
Applicants:
日本製鉄株式会社 NIPPON STEEL CORPORATION [JP/JP]; 東京都千代田区丸の内二丁目6番1号 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071, JP
Inventors:
仙石 晃大 SENGOKU, Akihiro; JP
竹林 浩史 TAKEBAYASHI, Hiroshi; JP
秋岡 幸司 AKIOKA, Koji; JP
松村 賢一郎 MATSUMURA, Kenichiro; JP
Agent:
特許業務法人ブライタス BRIGHTAS IP ATTORNEYS; 大阪府大阪市北区曽根崎2丁目5番10号 2-5-10, Sonezaki, Kita-ku, Osaka-shi, Osaka 5300057, JP
Priority Data:
Title (EN) HOT STAMPED MOLDING
(FR) PIÈCE MOULÉE ESTAMPÉE À CHAUD
(JA) ホットスタンプ成形体
Abstract:
(EN) A hot stamped molding provided with a base metal 10 and a plating layer 20 formed on the surface of the base metal 10, wherein: the plating layer 20 comprises an interfacial layer 21, an intermediate layer 22 and an oxide layer 23, in that order starting from the side of the base metal 10; the structure of the interfacial layer 21 comprises at least one kind of Fe-Al alloy selected from αFe, Fe3Al and FeAl and the total area ratio of the Fe-Al alloy is at least 99%; the intermediate layer 22 comprises at least one kind of Fe-Al-Zn phase selected from Fe(Al,Zn)2, Fe2(Al,Zn)5 and Fe(Al,Zn)3 and the total area percentage of the Fe-Al-Zn phases is at least 50%; the mean composition, in mass%, comprises Al: 30-50% and Zn: 15-30%; and the mean film thickness of the oxide layer 23 is 3.0 µm or less and the Mg content is 0.05-0.50 g/m2.
(FR) L'invention concerne une pièce moulée estampée à chaud comportant un métal de base 10 et une couche de placage 20 formée sur la surface du métal de base. La couche de placage 20 comprend une couche interfaciale 21, une couche intermédiaire 22 et une couche d'oxyde 23, dans cet ordre à partir du côté du métal de base 10 ; la structure de la couche interfaciale 21 comprend au moins un type d'alliage Fe-Al choisi parmi αFe, Fe3Al et le rapport surfacique total de l'alliage Fe-Al est d'au moins 99 % ; la couche intermédiaire 22 comprend au moins un type de phase Fe-Al-Zn choisie parmi Fe(Al,Zn)2, Fe2(Al,Zn)5 et Fe(Al,Zn)3 et le pourcentage surfacique total des phases Fe-Al-Zn est d'au moins 50 % ; la composition moyenne, en % en masse, comprend 30 à 50 % d'Al et 15 à 30 % de Zn ; l'épaisseur moyenne de film de la couche d'oxyde 23 est de 3,0 µm ou moins ; et la teneur en Mg va de 0,05 à 0,50 g/m2.
(JA) 母材10と母材10の表面に形成されためっき層20とを備えるホットスタンプ成形体であって、めっき層20は、母材10側から順に、界面層21、中間層22および酸化物層23を含み、界面層21は、組織がαFe、FeAlおよびFeAlから選択される1種以上のFe-Al合金を含み、かつ、Fe-Al合金の合計面積率が99%以上であり、中間層22は、前記中間層は、Fe(Al,Zn)、Fe(Al,Zn)およびFe(Al,Zn)から選択される1種以上のFe-Al-Zn相を含み、かつ、Fe-Al-Zn相の合計面積率が50%以上であり、平均組成が、質量%で、Al:30~50%、および、Zn:15~30%、を含み、酸化物層23は、平均膜厚が3.0μm以下であり、かつ、Mg含有量が0.05~0.50g/mである、ホットスタンプ成形体。
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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, 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 Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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)