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    • 4. 发明授权
    • 소성 가공 전 시효 처리에 의한 고강도 마그네슘 합금 가공재 제조방법 및 이에 의해 제조된 고강도 마그네슘 합금 가공재
    • 通过在塑性加工之前进行老化处理和由此制造的高强度锻造镁合金制造高强度锻造镁合金的方法
    • KR101680046B1
    • 2016-11-28
    • KR1020150009455
    • 2015-01-20
    • 한국기계연구원
    • 박성혁정재길김하식유봉선임창동문병기김영민배준호
    • C22F1/06C22C23/00
    • C22C23/00C22F1/06
    • 본발명은 (a) 마그네슘합금빌렛을준비하는단계; (b) 상기마그네슘합금빌렛을균질화열처리(homogenizaton heat treatment)하는단계; (c) 상기균질화열처리된마그네슘합금빌렛을시효처리하는단계; 및 (d) 상기시효처리된마그네슘합금빌렛을열간또는온간가공하는단계를포함하는마그네슘합금가공재의제조방법에대한것으로서, 본발명에의하면선시효처리(균질화열처리를실시한후에소성가공을하기전에실시하는시효처리)를수행함으로써, 미세한이차상(secondary phase) 석출물을마그네슘합금결정립계및 기지내에다량형성시키고, 이러한석출물이소성가공시형성되는동적재결정립의결정성장을방해함으로써석출경화(precipitation hardening) 효과와더불어결정립미세화에따른강도향상을통해고강도의마그네슘합금가공재를제조할수 있다.
    • 本发明提供一种镁合金坯料的制造方法,其特征在于,包括以下步骤:(a)制备镁合金坯料; (b)对镁合金坯进行均匀化热处理; 和(c)老化均匀热处理的镁合金坯料,并提供锻造镁合金制造方法,该方法还包括对通过该方法制造的镁合金坯进行热或热加工的步骤。 根据本发明,通过在进行塑性加工之前进行老化,可以制造在镁合金晶界和基体中含有大量微细二次相析出的镁合金坯料,通过进行 对镁合金坯进行热加工或冷加工,镁合金坯中形成的析出物阻碍塑性加工中形成的动态再结晶晶粒的晶粒生长,从而可以引起析出硬化效果和强度提高效果 根据晶粒细化,从而制造高强度锻造镁合金。
    • 5. 发明公开
    • 소성 가공 전 시효 처리에 의한 고강도 마그네슘 합금 가공재 제조방법 및 이에 의해 제조된 고강도 마그네슘 합금 가공재
    • 通过在塑料加工和高强度镁合金制造过程中进行老化处理制造高强度镁合金的方法
    • KR1020160089794A
    • 2016-07-28
    • KR1020150009455
    • 2015-01-20
    • 한국기계연구원
    • 박성혁정재길김하식유봉선임창동문병기김영민배준호
    • C22F1/06C22C23/00
    • C22C23/00C22F1/06
    • 본발명은 (a) 마그네슘합금빌렛을준비하는단계; (b) 상기마그네슘합금빌렛을균질화열처리(homogenizaton heat treatment)하는단계; (c) 상기균질화열처리된마그네슘합금빌렛을시효처리하는단계; 및 (d) 상기시효처리된마그네슘합금빌렛을열간또는온간가공하는단계를포함하는마그네슘합금가공재의제조방법에대한것으로서, 본발명에의하면선시효처리(균질화열처리를실시한후에소성가공을하기전에실시하는시효처리)를수행함으로써, 미세한이차상(secondary phase) 석출물을마그네슘합금결정립계및 기지내에다량형성시키고, 이러한석출물이소성가공시형성되는동적재결정립의결정성장을방해함으로써석출경화(precipitation hardening) 효과와더불어결정립미세화에따른강도향상을통해고강도의마그네슘합금가공재를제조할수 있다.
    • 本发明涉及一种制造高强度锻造镁合金的方法,包括:(a)制备镁合金坯料的步骤; (b)对镁合金坯料进行均质化热处理的步骤; (c)对均质热处理的镁合金坯料进行老化处理的步骤; 和(d)经过处理的镁合金坯料的热加工或热加工步骤。 根据本发明,通过预处理(均质化热处理后的塑性加工前的时效处理)在镁合金晶界和碱中形成大量的二次相析出物。 沉淀物阻碍塑性加工过程中形成的动态再结晶晶体的晶体生长; 从而能够通过不仅具有析出硬化效果而且能够通过晶粒细化得到的强度提高效果来制造高强度锻造镁合金。
    • 8. 发明公开
    • 마그네슘 합금의 주조과정에서 첨가되는 결정립 미세화제 및 이를 이용한 마그네슘 합금의 결정립 미세화 방법
    • 用于镁合金铸造工艺的颗粒精炼机及使用该镁合金的镁合金精炼方法
    • KR1020100040477A
    • 2010-04-20
    • KR1020080099605
    • 2008-10-10
    • 한국기계연구원
    • 김영민김하식유봉선
    • B22D1/00B22D21/04
    • PURPOSE: A grain refiner which is added in a casting process of magnesium and a grain refining method of magnesium alloys using the same are provided to maximize grain refining effect by varying an optimal holding time of magnesium alloys according to the kinds of the magnesium alloys and added refiner. CONSTITUTION: A grain refiner which is added in a casting process of magnesium is hafnium carbon and molybdenum carbide(Mo_2C). The refiner of 0.1~5.0 weight% is added to the magnesium alloys. A grain refining method of magnesium alloys comprise the following steps: manufacturing a liquid in which the magnesium alloy is molten by heating the magnesium alloy at 600~780°C; adding the refiner to the manufactured magnesium alloy liquid; periodically stirring the liquid while maintaining the temperature; and forming cast material of magnesium alloy.
    • 目的:提供一种在镁铸造过程中加入的晶粒细化剂和使用其的镁合金的晶粒细化方法,以通过根据镁合金的种类改变镁合金的最佳保持时间来最大化晶粒细化效果, 添加精炼机。 构成:在镁铸造过程中添加的晶粒细化剂是铪碳和碳化钼(Mo_2C)。 将0.1〜5.0重量%的精磨机加入到镁合金中。 镁合金的晶粒细化方法包括以下步骤:通过在600〜780℃下加热镁合金来制造镁合金熔化的液体; 将精磨机加入到制造的镁合金液体中; 在保持温度的同时周期性搅拌液体; 并形成镁合金铸造材料。
    • 10. 发明公开
    • 가열주형식 수평연속주조 방법 및 그 장치
    • 使用加热模具的水平连续铸造方法及其设备
    • KR1020030018661A
    • 2003-03-06
    • KR1020010052894
    • 2001-08-30
    • 한국기계연구원신현부
    • 박원욱문병기김하식김문회신현부
    • B22D11/045
    • PURPOSE: A method of horizontal continuous casting using heating mold which enables working and filling of molten metal during working even when height of molten metal is not maintained equally to that of the upper part of an extracting part, and an apparatus of horizontal continuous casting using heating mold are provided. CONSTITUTION: The apparatus of horizontal continuous casting using heating mold comprises a melting furnace(10) for melting metal and metal alloy; a heating means(11) for heating the melting furnace; a heat insulating material(20) which is covered around the melting furnace(10) to insulate heat; a molten metal height adjusting device(30) vertically movably installed inside the melting furnace(10); a mold(40) connected to the melting furnace(10) to penetrate the heat insulating material(20); second heating means(41) for heating the mold(40); an extracted material cooling means(50) correspondingly formed to the mold(40); a dummy bar(60) which is freely movably inserted into the mold(40) to control flow of molten metal, and at the rear of which a leading in and drawing out means(61) is installed; a thermocouple(12) mounted on the melting furnace(10) to measure temperature of molten metal; and a thermocouple(42) inserted into the mold(40) to measure temperature of the inner part of the mold(40).
    • 目的:一种使用加热模具的水平连续铸造方法,即使熔融金属的高度与提取部分的上部不同,也能够在加工期间使熔融金属的工作和填充,以及使用 提供加热模具。 构成:使用加热模具的水平连续铸造装置包括用于熔化金属和金属合金的熔化炉(10); 用于加热熔炉的加热装置(11); 绝热材料(20),其被覆盖在所述熔化炉(10)周围以绝热; 垂直移动地安装在熔炉(10)内的熔融金属高度调节装置(30); 连接到所述熔化炉(10)以穿透所述隔热材料(20)的模具(40); 用于加热模具(40)的第二加热装置(41) 对应地形成于所述模具(40)的抽出材料冷却装置(50)。 可自由移动地插入模具(40)中以控制熔融金属流动的虚拟棒(60),并且其后部安装有引导和拉出装置(61); 安装在所述熔化炉(10)上以测量熔融金属温度的热电偶(12); 以及插入到模具(40)中以测量模具(40)的内部部分的温度的热电偶(42)。