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    • 66. 发明公开
    • 알루미늄 합금 압출재, 알루미늄 합금 압출재로 제조된 알루미늄 합금 페룰 및 알루미늄 합금 압출재의 제조방법
    • 铝合金挤出材料,铝合金挤压材料制成的铝合金材料及制造铝合金挤出材料的方法
    • KR1020130119999A
    • 2013-11-04
    • KR1020120042924
    • 2012-04-25
    • 울산과학기술원
    • 박성수
    • C22C21/06C22C21/02B21C23/00B22D21/04
    • C22C21/06B21C23/00B22D21/04C22C1/1036C22C21/08C22C2202/00
    • The present invention is invented to solve the problems of a common aluminum alloy ferrule. The purpose of the present invention is to provide the aluminum alloy ferrule having the excellent integration of strength and ductility and a producing method thereof by performing a thermo mechanical treatment process for maximizing the mechanical features of Al-Mg and Al-Mg-Si alloys for work hardening and precipitation hardening. The producing method of the aluminum alloy ferrule comprises: a step (a) for producing a molten alloy composed of 1.5-3.0 wt% of Mg, Al, and inevitable impurities or producing a molten alloy composed of 0.3-1.0 wt% of Mg, less than 0.2-.1.0 wt% of Si, Al, and inevitable impurities; a step (b) for maintaining the molten aluminum at a temperature of 650-750 degrees and producing billets through a casting process; a step (c) for homogenizing and heat-treating the produced billets at a temperature of 300-550 degrees for 0.5-96 hours and cooling the heat-treated billets using water; and a step (d) for preheating the billets at a temperature of 200-550 degrees and extruding the billets. The yield strength of the produced ferrule is more than 50 MPa, the tensile strength is more than 150 MPa, and the tensile strain is more than 25%.
    • 发明内容本发明是为了解决普通的铝合金套圈的问题。 本发明的目的是提供一种具有优异的强度和延展性的铝合金套圈及其制造方法,其通过进行用于使Al-Mg和Al-Mg-Si合金的机械特征最大化的热机械处理方法,用于 加工硬化和沉淀硬化。 铝合金套圈的制造方法包括:制造由1.5〜3.0重量%的Mg,Al和不可避免的杂质构成的熔融合金的步骤(a),或者由0.3〜1.0重量%的Mg构成的熔融合金, 小于0.2-1.0重量%的Si,Al和不可避免的杂质; 用于将熔融铝保持在650-750度的温度并通过铸造工艺生产坯料的步骤(b); 步骤(c),在300-550度的温度下均匀化和热处理所生产的坯料0.5-96小时,并使用水冷却热处理的坯料; 以及用于在200-550度的温度下预热所述坯料并挤出所述坯料的步骤(d)。 所生产的套圈的屈服强度大于50MPa,拉伸强度大于150MPa,拉伸应变大于25%。
    • 67. 发明公开
    • 비대칭 구조의 피압출재를 이용한 압출방법
    • 使用不对称结构的材料的提取方法
    • KR1020130090945A
    • 2013-08-16
    • KR1020120012083
    • 2012-02-07
    • 강릉원주대학교산학협력단
    • 정효태최병학
    • B21C23/00
    • B21C23/001B21C23/01B21C23/08
    • PURPOSE: An extrusion method using an extruded material with an asymmetric structure is provided to significantly improve material properties such as formability of an extruded material. CONSTITUTION: An extrusion method using an extruded material with an asymmetric structure comprises the following steps. An extrusion material is formed by pushing a material which is to be extruded through an extrusion hole (135). The extrusion hole has a variable width and a fixed inclination, and includes a taper unit (134) which has a first inner surface (142) and a second inner surface (143) which are symmetrical across a reference surface including the center axis of the extrusion hole. The material which is to be extruded has a first area which is applied with shear stress by the first surface and a second area which receives shear deformation from the second inner surface; where the first area and the second area are asymmetrical across the reference surface.
    • 目的:提供使用具有不对称结构的挤出材料的挤出方法,以显着改善材料性能,例如挤出材料的成形性。 构成:使用具有不对称结构的挤出材料的挤出方法包括以下步骤。 挤出材料通过挤压通过挤压孔(135)挤出的材料而形成。 挤压孔具有可变的宽度和固定的倾斜度,并且包括具有第一内表面(142)和第二内表面(143)的锥形单元(134),该第一内表面和第二内表面(143)跨越包括 挤压孔。 待挤出的材料具有由第一表面施加剪切应力的第一区域和从第二内表面接受剪切变形的第二区域; 其中第一区域和第二区域在参考表面上是不对称的。
    • 68. 发明公开
    • 전단 가공 방법 및 전단 가공 장치
    • 剪切变形装置和剪切变形方法
    • KR1020130053833A
    • 2013-05-24
    • KR1020110119509
    • 2011-11-16
    • 주식회사 포스코
    • 손일헌신우기황중기
    • B21C23/00B21C25/08B21D22/00
    • PURPOSE: A shear deformation method and a shear deformation device are provided to reduce the abrasion of a material and torsion die by applying back pressure to the material passing through the torsion die with a back pressure supply unit. CONSTITUTION: A shear deformation device comprises a supply unit, a torsion die(110), and a back pressure supply unit(130). The supply unit applies pressing force to a material. The torsion die comprises a passage and a torsion structure part. The material supplied from the supply unit passes through the passage. The torsion structure part makes the shear deformation of the material. The back pressure supply unit applies back pressure to the material passing through the torsion die so that stress applied to the torsion die can be reduced by the material.
    • 目的:提供剪切变形方法和剪切变形装置,通过用背压供给单元向通过扭转模的材料施加背压来减少材料和扭模的磨损。 构成:剪切变形装置包括供给单元,扭转模(110)和背压供给单元(130)。 供应单元对材料施加按压力。 扭转模具包括通道和扭转结构部件。 从供应单元供应的材料通过通道。 扭转结构部分使材料的剪切变形。 背压供给单元对通过扭转模的材料施加背压,能够通过材料减少施加到扭转模的应力。
    • 70. 发明授权
    • 알루미늄 압출 및 이송장치
    • 铝挤压输送装置
    • KR101216667B1
    • 2013-01-21
    • KR1020110002227
    • 2011-01-10
    • (주)장현금속
    • 박수원
    • B21C35/00B21C23/00B21C31/00B21D43/00
    • 본 발명은 알루미늄 압출 및 이송장치에 관한 것으로서, 특히 알루미늄 압축제품을 자동으로 압출 및 이송시켜 작업성 및 생산성을 향상시킬 수 있는 알루미늄 압출 및 이송장치에 관한 것이다.
      본 발명의 알루미늄 압출 및 이송장치는, 알루미늄 원재료를 일정한 온도로 가열하는 가열부와; 상기 가열부에 의해 가열된 원재료를 가압하여 바(bar) 형상의 압출제품으로 압출하는 압출부와; 상기 압출부에 의해 압출되는 압출제품의 일단을 잡고 상기 압출부의 반대방향으로 상기 압출제품을 이송시키는 제1이송부와; 상기 압출부 및 제1이송부에 의해 압출이 완료된 압출제품을 압출방향의 수직방향으로 이송시키는 제2이송부와; 상기 제2이송부에 의해 이송된 압출제품의 양단을 잡고 신장시키는 신장부와; 상기 압출부, 제1이송부, 제2이송부 및 신장부를 제어하는 제어부로 이루어지되, 상기 제어부는, 상기 압출부 및 제1이송부에 의해 압출제품이 일정거리만큼 압출되면, 상기 제2이송부에 의해 상기 압출제품을 압출방향의 수직방향으로 자동으로 이송시키는 것을 특징으로 한다.