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1. (WO2013122314) METHOD FOR IMPROVING MOULDABILITY OF MAGNESIUM-ALLOY SHEET MATERIAL, AND MAGNESIUM-ALLOY SHEET MATERIAL PRODUCED THEREBY
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2013/122314 International Application No.: PCT/KR2012/010780
Publication Date: 22.08.2013 International Filing Date: 12.12.2012
IPC:
C22F 1/06 (2006.01) ,C22C 23/00 (2006.01)
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
06
of magnesium or alloys based thereon
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
23
Alloys based on magnesium
Applicants:
한국기계연구원 KOREA INSTITUTE OF MACHINERY AND MATERIALS [KR/KR]; 대전시 유성구 장동 171번지 171 Jang-dong Yuseong-gu Daejeon 305-343, KR
Inventors:
박성혁 PARK, Sung Hyuk; KR
김영민 KIM, Young Min; KR
김하식 KIM, Ha Sik; KR
임창동 YIM, Chang Dong; KR
유봉선 YOU, Bong Sun; KR
홍성구 HONG, Seong Gu; KR
이종수 LEE, Chong Soo; KR
이정훈 LEE, Jeong Hun; KR
김형래 KIM, Hyung Lae; KR
Agent:
이원희 LEE, Won Hee; 서울시 강남구 역삼동 642-16 성지하이츠 2차 8층 8th Fl. Sung-ji Heights II 642-16 Yoksam-dong Kangnam-ku Seoul 135-080, KR
Priority Data:
10-2012-001427813.02.2012KR
Title (EN) METHOD FOR IMPROVING MOULDABILITY OF MAGNESIUM-ALLOY SHEET MATERIAL, AND MAGNESIUM-ALLOY SHEET MATERIAL PRODUCED THEREBY
(FR) PROCÉDÉ D'AMÉLIORATION DE LA CAPACITÉ DE MOULAGE DE MATÉRIAU EN FEUILLE D'ALLIAGE DE MAGNÉSIUM ET MATÉRIAU EN FEUILLE D'ALLIAGE DE MAGNÉSIUM PRODUIT PAR CE PROCÉDÉ
(KO) 마그네슘 합금 판재의 성형성 향상방법 및 이에 의해 제조되는 마그네슘 합 금 판재
Abstract:
(EN) The present invention relates to a method for improving the mouldability of a magnesium-alloy sheet material, and to a magnesium-alloy sheet material produced thereby. The method for improving the mouldability of magnesium-alloy sheet material which is provided comprises the steps of: forming {10-12} bicrystals in the magnesium-alloy sheet material (step 1); and subjecting the magnesium-alloy sheet material of step 1 to an annealing heat treatment (step 2). Also, the magnesium-alloy sheet material which is provided comprises {10-12} bicrystals produced by means of the method. The method for improving the mouldability of a magnesium-alloy sheet material according to the present invention has the advantages that it is possible to artificially form {10-12} bicrystals in the magnesium alloy without any increase in electrical potential since compression deformation is applied to the magnesium-alloy sheet material in a direction parallel to the basal plane of the structure possessed by the sheet material, and also that it is possible to improve the mouldability of magnesium-alloy sheet materials at room temperature and when hot since the bicrystals easily absorb deformation that occurs during moulding through annihilation.
(FR) La présente invention concerne un procédé pour améliorer l'aptitude au moulage d'un matériau en feuille en alliage de magnésium et matériau en feuille en alliage de magnésium ainsi produit. Procédé d'amélioration de l'aptitude au moulage de matériau en feuille d'alliage de magnésium qui est prévu comprend les étapes de : formation de bicristaux {10 -12} dans le matériau en feuille d'alliage de magnésium (étape 1) ; et la soumission de matériau en feuille d'alliage de magnésium de l'étape 1 pour un traitement thermique de recuit (étape 2). Également le matériau en feuille d'alliage de magnésium qui est fourni comprend les bicristaux {10 -12} produites au moyen de ce procédé. Procédé d'amélioration de l'aptitude au moulage d'un matériau en feuille d'alliage de magnésium selon la présente invention présente les avantages qu'il est possible de former artificiellement {10 -12} les bicristaux dans l'alliage de magnésium sans aucune augmentation de potentiel électrique étant donné que la déformation par compression est appliquée au matériau en feuille d'alliage de magnésium dans une direction parallèle au plan de base de la structure possédée par le matériau en feuille, et également qu'il est possible à améliorer l'aptitude au moulage de matériaux en feuille d'alliage de magnésium à température ambiante et lorsqu'il est chaud étant donné que le bicristaux absorbent facilement la déformation qui se produit pendant le moulage à travers l'annihilation.
(KO) 본 발명은 마그네슘 합금판재의 성형성 향상방법 및 이에 의해 제조되는 마 그네슘 합금 판재에 관한 것으로, 마그네슘 합금 판재에 {10-12} 쌍정을 형성시키 는 단계(단계 1); 및 상기 단계 1의 마그네슘 합금 판재를 소둔열처리하는 단계(단 계 2);를 포함하는 마그네슘 합금 판재의 성형성 향상 방법을 제공하며, 또한, 상 기의 방법으로 제조되는 {10-12} 쌍정을 포함하는 마그네슘 합금 판재를 제공한다. 본 발명에 따른 마그네슘 합금 판재의 성형성 향상 방법은 마그네슘 합금 판재에 상기 판재가 가지는 집합조직의 기저면과 평행한 방향으로 압축변형을 가하고, 소 둔열처리 시킴으로써, 마그네슘 합금 내에 전위의 증가 없이 {10-12} 쌍정을 인위 적으로 형성시킬 수 있고, 상기 쌍정이 소멸을 통해 성형 중에 발생하는 변형을 용 이하게 수용함으로써, 마그네슘 합금 판재의 상온 및 온간에서의 성형성을 향상 시 킬 수 있는 장점이 있다.
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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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KZ, LA, LC, LK, LR, LS, LT, 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, 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, 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, ML, MR, NE, SN, TD, TG)
Publication Language: Korean (KO)
Filing Language: Korean (KO)