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公开(公告)号：KR1020080104721A
公开(公告)日：2008-12-03
申请号：KR1020070051889
申请日：2007-05-29
Applicant: 포항공과대학교 산학협력단
IPC: C22C23/04
CPC classification number: C22C23/04 , C22C2202/00
Abstract: Mn and Zr are added in the designed so that it be possible for the deionized water Mg or the extraction hardening Mg-Zn system alloy and the disperse particle and the minute extraction particle evenly are distributed to individually as the same time inside micro-structure. In that way the high intensity high tenacity Magnesium alloy is provided. A high intensity high tenacity Magnesium alloy is contained Zn of 5.0 ~ 10.0 weight%, Mn of 0.05 ~ 0.5 weight%, and Zr of 0.02 ~ 0.5 weight%, and remnant has the feature consisting of the inevitable with Mg and other impurity. .
Abstract translation: 在设计中加入Mn和Zr，使得去离子水Mg或提取硬化的Mg-Zn体系合金以及分散粒子和微小提取粒子均匀地分布在微观结构内同时分散。 以这种方式提供高强度高韧性镁合金。 高强度高韧性镁合金含有5.0〜10.0重量％的Zn，0.05〜0.5重量％的Mn，0.02〜0.5重量％的Zr，残余物由Mg等杂质组成。 。
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公开(公告)号：KR101078308B1
公开(公告)日：2011-10-31
申请号：KR1020080046114
申请日：2008-05-19
Applicant: 포항공과대학교 산학협력단
Abstract: 본발명은기존의상용마그네슘합금판재에비해강도와가공성이향상된합금판재의제조방법에관한것으로, Al: 0.1 ~ 10중량%, Ca: 0.1 ~ 5중량%, Zn: 0.1 ~ 10중량%, Mn : 0.05 ~ 2중량%를포함하고나머지는불가피한불순물과마그네슘으로이루어진합금을용해하여, 용탕을액체분율이 70%인온도에서용탕이발화되기전의온도까지의온도범위에서유지시키며회전하는두 냉각롤의사이에주입하여 10~10K/s의냉각속도로냉각시켜판재를제조하는것을특징으로하는제조방법을제공한다.
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公开(公告)号：KR1020090083701A
公开(公告)日：2009-08-04
申请号：KR1020080009667
申请日：2008-01-30
Applicant: 포항공과대학교 산학협력단
IPC: C22C23/04
CPC classification number: C22C23/04 , B22D11/0622 , C01P2002/60 , C22C1/02 , C22C2200/00 , C22C2202/00 , C22F1/06
Abstract: A high intensity magnesium alloy sheet and a fabricating method thereof are provided to control the size, shape and volume fraction of dispersed particles using the following treatment of a strip casting method, thereby improving an intensity and hardness of the magnesium alloy sheet. A high intensity magnesium alloy sheet is composed of 1-10wt% of Zn, 0.25-3wt% of Mn, 1-6wt% of Al and 0.05-1wt% of Cu. Inevitable impurities can be included in the magnesium alloy. The average diameter of crystal grains is 20mum or less. The average diameter of dispersoids in the micro-structure of the high intensity magnesium alloy sheet is 5mum or less. The volume fraction of the dispersoids is 5% or less. The tensile strength and elongation ratio of the magnesium alloy are 300MPa and 15% respectively.
Abstract translation: 提供高强度镁合金板及其制造方法，以通过以下处理带状铸造法来控制分散颗粒的尺寸，形状和体积分数，从而提高镁合金板的强度和硬度。 高强度镁合金板由1〜10wt％的Zn，0.25〜3wt％的Mn，1〜6wt％的Al和0.05〜1wt％的Cu组成。 不可避免的杂质可以包括在镁合金中。 晶粒的平均直径为20μm以下。 高强度镁合金板的微观结构中的分散体的平均直径为5μm以下。 分散体的体积分数为5％以下。 镁合金的拉伸强度和伸长率分别为300MPa和15％。
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公开(公告)号：KR1020090104597A
公开(公告)日：2009-10-06
申请号：KR1020080030066
申请日：2008-03-31
Applicant: 포항공과대학교 산학협력단 , 주식회사 포스코
Abstract: PURPOSE: A method for manufacturing a magnesium alloy sheet and a magnesium alloy sheet manufactured by the same are provided to improve tensile strength compared with a magnesium alloy sheet formed by a conventional ingot casting method. CONSTITUTION: A method for manufacturing a magnesium alloy sheet comprises following steps. Molten metal is formed by dissolving magnesium and calcium to have the content of the calcium which is 0.5 weight%-5 weight% compared with the whole molten content. The molten metal is maintained from the temperature, in which liquid fraction is 70%, to the temperature, in which molten metal is ignited, and is transferred to a nozzle at the same time. The molten metal is injected from the nozzle between two cooling rolls(S300). A magnesium alloy sheet is formed.
Abstract translation: 目的：提供一种制造镁合金板及其制造的镁合金板的方法，以提高与通过铸锭法形成的镁合金板相比的拉伸强度。 构成：制造镁合金板的方法包括以下步骤。 熔融金属通过将镁和钙溶解成具有与整个熔融含量相比为0.5重量％-5重量％的钙含量而形成。 将熔融金属从液体馏分为70％的温度维持在熔融金属点燃的温度，并同时转移到喷嘴中。 熔融金属从喷嘴在两个冷却辊之间注入（S300）。 形成镁合金板。
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Patent Agency Ranking
公开(公告)号：KR100916194B1
公开(公告)日：2009-09-08
申请号：KR1020070051889
申请日：2007-05-29
Applicant: 포항공과대학교 산학협력단
IPC: C22C23/04
Abstract: 본 발명은 고강도 고인성의 마그네슘 합금에 관한 것으로서, 더욱 상세하게는 마그네슘을 주성분으로 하고 여기에 망간, 지르코늄, 아연, 구리를 첨가한 강도 및 인성이 우수한 마그네슘 합금에 관한 것이다.
본 마그네슘 합금은 적절한 열처리를 통해 Mn, Zr 등으로 구성된 분산입자와 Mg-Zn계 석출물을 동시에, 또는 개별적으로 형성시킬 수 있으며, 또한 Cu 첨가를 통해 편석을 억제하여 미세조직의 균질성을 향상시킴으로써 기존 마그네슘 대비 높은 강도와 인성을 나타낼 수 있다.
본 합금은 중량감소에 대한 필요성과 함께 고강도 고인성을 동시에 요구하는 자동차용 또는 전자제품용 마그네슘합금 소재 등에 이용될 수 있다.
마그네슘, 고강도, 고인성-
公开(公告)号：KR1020090091580A
公开(公告)日：2009-08-28
申请号：KR1020080016927
申请日：2008-02-25
Applicant: 포항공과대학교 산학협력단
Inventor： 배근태 , 아야가리카미스와리프라사다라오 , 배준호 , 김낙준 , 김경훈
CPC classification number: B23K20/04 , B22D11/008 , B22D11/0622 , B23K20/2333 , B23K2201/34 , B23K2203/10 , B23K2203/15 , B23K2203/18 , B32B15/017 , C22F1/04 , C22F1/06
Abstract: A manufacturing method of a magnesium alloy sheet in which an aluminum sheet is clad and the magnesium alloy sheet manufactured thereby are provided to prevent defect of a product, and to simplify processes. A manufacturing method of a magnesium alloy sheet having superior corrosion resistance includes the following steps of: supplying an aluminum sheet to one side or both sides of two cooling rolls when magnesium molten metal is injected; cladding the aluminum sheet on the surface of the magnesium alloy sheet; and heat-treating the magnesium alloy sheet. The thickness of the aluminum sheet is 5mm or less. Temperature of the magnesium molten metal is 650~750‹C.
Abstract translation: 提供其中包覆铝片的镁合金片及其制造的镁合金片的制造方法，以防止产品的缺陷，并且简化工艺。 具有优良耐腐蚀性的镁合金板的制造方法包括以下步骤：当注入镁熔融金属时，向两个冷却辊的一侧或两侧供应铝片; 将铝板包覆在镁合金板的表面上; 并对镁合金板进行热处理。 铝板的厚度为5mm以下。 镁熔融金属的温度为650〜750℃。
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公开(公告)号：KR100993840B1
公开(公告)日：2010-11-11
申请号：KR1020080009667
申请日：2008-01-30
Applicant: 포항공과대학교 산학협력단
IPC: C22C23/04
CPC classification number: C22C23/04 , B22D11/0622
Abstract: 본 발명은 고강도 마그네슘 합금 판재 및 그 제조방법에 관한 것으로, 석출 강화형 합금계인 Mg-Zn계 합금에 Mn 또는 Mn과 Al을 동시에 첨가하고 조직의 미세화, 분산상의 형성 및 석출 거동을 개선하여, 기계적 성질과 성형성이 개선된 고강도 마그네슘 합금 판재와 이의 제조방법을 제공하는 것을 목적으로 한다.
상기 목적을 달성하기 위해 본 발명은, (a) Zn: 1 ~ 10중량%를 함유하고, 나머지는 불가피한 불순물과 마그네슘으로 이루어지는 합금의 용탕을 제조하는 단계; (b) 상기 마그네슘 용탕을 650 ~ 750 ℃로 유지하여, 회전하는 두 냉각롤의 사이에 주입하여 10
2 ~10
3 K/s의 냉각속도로 냉각시켜 판재를 제조하는 단계; (c) 제조된 판재를 250 ~ 450℃에서 0.5 ~ 24 시간 동안 용체화처리하는 단계;를 포함하는 것을 특징으로 하는 고강도 마그네슘 합금 판재의 제조방법을 제공한다.
마그네슘 합금, 제조방법, 판재-
公开(公告)号：KR1020100038809A
公开(公告)日：2010-04-15
申请号：KR1020080097908
申请日：2008-10-06
Applicant: 포항공과대학교 산학협력단
IPC: C22C23/04
CPC classification number: C22C23/04 , C22F1/06 , B21B1/28 , C01P2002/60 , C22C1/03 , C22C2200/00 , C22C2202/00
Abstract: PURPOSE: A magnesium alloy panel with high formability and a method for manufacturing the same are provided to evenly distribute a minute dispersed phase and manufacture alloy plate material including high secondary phase fraction. CONSTITUTION: A magnesium alloy panel with high formability consists of Zn 1~10 weight%, Y 0.2~5 weight%, and impurity and magnesium. The grain average particle diameter of the high formability magnesium alloy sheet is 20 micron or less. The content of Zn is 5.0~7.0 weight%. The content of Y is 1.0~5 weight%.
Abstract translation: 目的：提供具有高成形性的镁合金面板及其制造方法，以均匀分布微小的分散相并制造包括高次相分数的合金板材料。 构成：成型性高的镁合金面板由Zn 1〜10重量％，Y 0.2〜5重量％，杂质和镁组成。 高成形性镁合金板的粒径平均粒径为20微米以下。 Zn的含量为5.0〜7.0重量％。 Y含量为1.0〜5重量％。
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公开(公告)号：KR1020090120194A
公开(公告)日：2009-11-24
申请号：KR1020080046114
申请日：2008-05-19
Applicant: 포항공과대학교 산학협력단
Abstract: PURPOSE: A high-sensitive magnesium alloy sheet and a manufacturing method thereof are provided to improve normal temperature strength and hardness by controlling formation of intermetallic compounds and grain refinement. CONSTITUTION: A manufacturing method of a high-sensitive magnesium alloy sheet comprises the following steps of: manufacturing molten metal by dissolving alloy; maintaining the temperature of the molten metal; manufacturing a magnesium alloy sheet by injecting the molten metal between to cooling rolls(30); processing the magnesium alloy sheet at a temperature of 250 ~ 450°C for 1 ~ 24 hours; pre-heating the magnesium alloy sheet at the temperature of 150 ~ 450°C; rolling the magnesium alloy sheet; and processing the magnesium alloy sheet at the temperature of 150 ~ 400°C for 0.5 ~ 10 hours.
Abstract translation: 目的：通过控制金属间化合物的形成和晶粒细化，提供高灵敏度镁合金板及其制造方法，以提高常温强度和硬度。 构成：高灵敏度镁合金板的制造方法包括以下步骤：通过溶解合金来制造熔融金属; 保持熔融金属的温度; 通过将熔融金属注入到冷却辊（30）之间来制造镁合金板; 在250〜450℃的温度下加工镁合金板1〜24小时; 在150〜450℃的温度下预热镁合金板; 轧制镁合金板; 并在150〜400℃的温度下加工镁合金板0.5〜10小时。
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