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公开(公告)号：KR1020080018571A
公开(公告)日：2008-02-28
申请号：KR1020060080892
申请日：2006-08-25
Applicant: 경상대학교산학협력단
IPC: C22C1/03
Abstract: A high performance Al alloy for extrusion is provided to find out an optimal scandium(Sc) content considering economic efficiency as well as physical properties such as hardness and microstructure of an Al alloy itself. A high performance Al alloy for extrusion is characterized in that an Al alloy having a composition comprising 0.3 wt.% of Sc is manufactured from the molten Al5083 alloy using an Al-2wt.%Sc mother alloy in a mold that is preheated to 240 deg.C after completely melting an Al5083 alloy at 710 deg.C.
Abstract translation: 提供了一种用于挤出的高性能Al合金，以考虑经济效率以及Al合金本身的硬度和微观结构的物理性质来找出最佳钪（Sc）含量。 用于挤出的高性能Al合金的特征在于，使用Al-2wt。％Sc母合金在熔融的Al5083合金中，在预热到240度的模具中制造具有0.3重量％的Sc的组成的Al合金 在710℃完全熔融Al5083合金后。
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公开(公告)号：KR1020170095651A
公开(公告)日：2017-08-23
申请号：KR1020160017375
申请日：2016-02-15
Applicant: 경상대학교산학협력단
CPC classification number: Y02A40/924
Abstract: 식품건조장치가개시된다. 식품건조장치는, 태양열을집열하여내부공기를가열하는케이스, 케이스내의내부공기가식품건조장치의외부로배출되도록케이스의상부에배치되는배기부및 태양열을집열하여외부공기를가열하고, 가열된외부공기를케이스의하부에제공하는공기유입부를포함한다.
Abstract translation: 公开了一种食物干燥装置。 食品干燥装置，并通过收集太阳能的情况下，以加热内部空气，壳体中的内部空气收集设置在壳体的上部的排气和太阳能排出到食品干燥装置，被加热的外部空气，并加热的外部 以及用于将外部空气提供到壳体下部的空气流入部分。
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公开(公告)号：KR1020120129671A
公开(公告)日：2012-11-28
申请号：KR1020110048066
申请日：2011-05-20
Applicant: 경상대학교산학협력단
Abstract: PURPOSE: A nonferrous metal capillary tube and a manufacturing method thereof are provided to improve the yield rate of extruded materials by securing a steady-state structure in the early stage of extrusion. CONSTITUTION: A method for manufacturing a nonferrous metal capillary tube comprises the steps of: heating billet(50) to a temperature 5-15°C lower than the melting point, inserting the billet into a container, pressing the billet in the container at a ram speed of 1-5mm/s, and extruding a non-ferrous metal capillary tube with ram pressure through a die(30) attached to an end of the container at a discharge speed of 30-40m/min.
Abstract translation: 目的：提供一种有色金属毛细管及其制造方法，以通过在挤压的早期阶段确保稳态结构来提高挤压材料的成品率。 构成：用于制造有色金属毛细管的方法包括以下步骤：将坯料（50）加热至比熔点低5-15℃的温度，将坯料插入容器中，将坯料压在容器中 冲头速度为1-5mm / s，并以30-40m / min的排出速度通过连接到容器端部的模具（30）挤压具有冲压压力的有色金属毛细管。
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公开(公告)号：KR1020100066089A
公开(公告)日：2010-06-17
申请号：KR1020080124740
申请日：2008-12-09
Applicant: 경상대학교산학협력단
Abstract: PURPOSE: A method for inhibiting grain growth of Al-Zn-Mg based aluminium alloy billet for thixo-extrusion is provided to form billet with fine inner and outer grains without separate facility or additional cost. CONSTITUTION: A method for inhibiting grain growth of Al-Zn-Mg based aluminium alloy billet for thixo-extrusion comprises a step of adding Sc 0.05~0.15% to molten metal, and a step of performing three or more stages of temperature increasing processes on billet made out of the molten metal, wherein the billet is maintained for 5~10 minutes after each temperature increase process.
Abstract translation: 目的：提供一种用于抑制用于触变挤出的Al-Zn-Mg基铝合金坯料的晶粒生长的方法，以形成具有细内部和外部颗粒的坯料，而不需要单独的设备或额外的成本。 构成：用于抑制用于触变挤出的Al-Zn-Mg基铝合金坯料的晶粒生长的方法包括将Sc 0.05〜0.15％添加到熔融金属的步骤，以及对升温过程进行三个或更多个阶段的步骤 从熔融金属制成的坯料，其中在每个升温过程之后坯料保持5〜10分钟。
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公开(公告)号：KR100648199B1
公开(公告)日：2006-11-23
申请号：KR1020050068939
申请日：2005-07-28
Applicant: 경상대학교산학협력단
IPC: B22D27/00
Abstract: A manufacturing method of semi-solid cast iron by a cooling plate, which can manufacture ordinary commercial cast iron by a non-stirring process, is provided. In a manufacturing method of semi-solid cast iron, comprising flowing molten cast iron onto the inclined cooling plate to cool the molten cast iron, and passing the cooled molten cast iron through a preheated mold to manufacture semi-solid cast iron when manufacturing cast iron using an inclined cooling plate(40) which has a protection casting(405) formed on a lower portion thereof such that a cooling water circulation pipe(403) is inserted into the protection casting, and of which an upper portion is formed in a circular arc shape, a manufacturing method of semi-solid cast iron by a cooling plate comprises: allowing the molten cast iron to flow over the inclined cooling plate after maintaining temperature of molten cast iron to 1,300 to 1,340 deg.C during pouring and adjusting an angle of the inclined cooling plate to 5 to 15 degrees; and passing the cooled molten cast iron through a mold preheated to a temperature of 500 to 700 deg.C to manufacture semi-solid cast iron.
Abstract translation: 本发明提供一种利用冷却板的半固体铸铁的制造方法，其能够通过非搅拌工艺制造普通的商用铸铁。 在一种半固态铸铁的制造方法中，包括使熔融铸铁流动到倾斜冷却板上以冷却熔融铸铁，并且使冷却熔融铸铁通过预热模具以在制造铸铁时制造半固态铸铁 使用具有在其下部形成的保护铸件（405）的倾斜冷却板（40），使得冷却水循环管（403）插入到保护铸件中，并且其上部形成为圆形 通过冷却板制造半固态铸铁的方法包括：在浇铸期间将熔融铸铁的温度保持在1300至1340℃之后，使熔融铸铁流过倾斜冷却板，并且调节角度 倾斜冷却板的倾斜角度设定为5〜15度; 使冷却后的熔融铸铁通过预热至500〜700℃的模具，制造半固态铸铁。
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Patent Agency Ranking
公开(公告)号：KR101272491B1
公开(公告)日：2013-06-07
申请号：KR1020110050914
申请日：2011-05-27
Applicant: 경상대학교산학협력단
Abstract: 본 발명은 금형 내부에 용탕을 주입하여 금형내부의 형상으로 주물을 제작하는 다이캐스팅 장치에 관한 발명으로 용탕이 유입되고 금형과 연결되어 있는 슬리브, 상기 금형에 소정의 압력으로 용탕을 공급하는 장치인 플런저를 포함하되 상기 슬리브는 용탕의 온도를 조절하기 위한 가열기를 포함한다. 또한 본 발명은 금형 내부에 용탕을 주입하여 금형내부의 형상으로 주물을 제작하는 다이캐스팅 방법에 관한 발명으로서, 보온로에서 관을 통해 슬리브 내로 용탕을 주입하는 단계, 용탕을 소정의 냉각속도로 냉각시키는 단계, 플런저로 용탕을 금형에 삽입시키는 단계를 포함한다. 본 발명은 전자기 발생장치, 초음파발생장치를 사용하지 않고 특성이 우수한 합금을 생산할 수 있는 장치 및 방법이 제공된다.
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公开(公告)号：KR1020130009028A
公开(公告)日：2013-01-23
申请号：KR1020110069807
申请日：2011-07-14
Applicant: 경상대학교산학협력단
CPC classification number: C21D9/0081 , C21D1/40
Abstract: PURPOSE: A reheating method in a partially solidified process and alloy materials are provided to reduce a manufacturing cost by reheating billets for the partially solidified process in an existing process without additional facilities. CONSTITUTION: A reheating method in a partially solidified process comprises following steps. Billets are input into an electric resistance furnace(S100). The billets are heated to 550°C-630°C at 8°C/min-15°C/min(S300). The billets are heated at 9°C/min-10°C/min. The billets are heated to 580°C-600°C. [Reference numerals] (AA) Start; (BB) End; (S100) Inserting billets; (S200) Setting the billet heating temperature of 660°C; (S300) Heating the billets to 660°C at the heating rate of 18°C/min
Abstract translation: 目的：在部分固化的工艺和合金材料中提供再加热方法，以通过在现有方法中对部分固化的方法再加热坯料来降低制造成本，而无需额外的设施。 构成：部分凝固过程中的再加热方法包括以下步骤。 坯料被输入到电阻炉（S100）中。 钢坯以8℃/ min-15℃/分钟加热至550℃-63℃（S300）。 钢坯以9℃/ min-10℃/ min加热。 将坯料加热至580℃至600℃。 （附图标记）（AA）开始; （BB）结束; （S100）插入坯料; （S200）将坯料加热温度设定为660℃; （S300）以18℃/分钟的加热速度将坯料加热至660℃
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公开(公告)号：KR1020090041210A
公开(公告)日：2009-04-28
申请号：KR1020070106796
申请日：2007-10-23
Applicant: 경상대학교산학협력단
IPC: B22D27/00
Abstract: A semi-solid metal primary solid phrase formation apparatus is provided to measure flow rate, speed and temperature distribution of molten metal quantitively by forming a standardized groove on a cooling plate and streaming down molten metal through the groove. A semi-solid metal primary solid phrase formation apparatus comprises a cooling plate(11) in which melted metal flows and a cooling tank(14) in which cooling water for cooling the cooling plate is stored. A groove(12) of U-form of a regular square section in a longitudinal direction at a center is formed in the cooling plate. The cooling tank includes a cooling water storage(15), a cooling water pipe and a drainpipe. A gasket(13) for hermetic sealing is inserted in order to prevent outflow of the cooling water between a storage of the cooling water and the cooling plate.
Abstract translation: 提供一种半固体金属主要固体短语形成装置，通过在冷却板上形成标准化的凹槽并通过凹槽流下熔融金属来定量地测量熔融金属的流速，速度和温度分布。 一种半固体金属主要固体短语形成装置包括熔融金属流过的冷却板（11）和冷却冷却板的冷却水的冷却槽（14）。 在冷却板中形成有沿中心的长度方向的正方形截面的U形槽（12）。 冷却箱包括冷却水存储器（15），冷却水管和排水管。 插入用于气密密封的垫圈（13），以防止冷却水在冷却水的存储部和冷却板之间流出。
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公开(公告)号：KR100828861B1
公开(公告)日：2008-05-09
申请号：KR1020060080892
申请日：2006-08-25
Applicant: 경상대학교산학협력단
IPC: C22C1/03
Abstract: 본 발명은 알루미늄합금 압출소재에 관한 것으로, 보다 상세하게는 Al5083합금을 710℃에서 완전용해 후 Al-2wt%Sc 모합금을 이용하여 240℃로 예열된 금형에 0.3wt%Sc의 조성비를 가지며 450℃의 온도에서 균질화처리하여 제조된 것이 특징인 성능을 향상시킨 알루미늄합금 압출소재에 관한 것이다.
스칸듐(Sc),-
公开(公告)号：KR100673618B1
公开(公告)日：2007-01-24
申请号：KR1020050068940
申请日：2005-07-28
Applicant: 경상대학교산학협력단
IPC: B22D27/00
Abstract: A semi-solid metal manufacturing apparatus comprising a generation equipment for making initial granular crystals very economically and highly efficiently, and a method for manufacturing a semi-solid metal using the same are provided. An apparatus for manufacturing a semi-solid metal comprises: a metal melting equipment in which a melting crucible(203) is embedded, which has a tapping path heater(302) mounted tapping pipe(301), and which controls an amount of molten metal discharged by vertical movement of a hot top rod(101) for discharging molten metal; a granular primary crystal generating equipment which is installed at an output side of the metal melting equipment, and comprises a cooling water circulation pipe installed on an outer surface of a semicircular pipe with a predetermined length, a cooling water circulation pipe protecting casing installed at an outer side of the cooling water circulation pipe, and an inclined cooling plate(40) having multi-joint angle-adjusting links mounted on the center, the front and the rear thereof; and an ordinary water cooling type drawing equipment(60) installed at an output side of the granular primary crystal generating equipment to manufacture the semi-solid metal by injecting a granular primary crystal into a lower holding furnace(50) through the inclined cooling plate.
Abstract translation: 一种半固体金属制造装置，其特征在于，具有非常经济，高效地制造初期粒状晶体的发生装置，以及使用该半固体金属制造半固体金属的方法。 一种用于制造半固体金属的设备包括：金属熔化设备，其中嵌入有熔化坩埚（203），其具有安装在出钢管（301）上的出钢路加热器（302），并且其控制熔融金属的量 通过用于排出熔融金属的热顶杆（101）的垂直运动排出; 一种颗粒状初级晶体发生设备，其安装在金属熔化设备的输出侧，并且包括安装在预定长度的半圆管外表面上的冷却水循环管，安装在该金属熔化设备的输出侧的冷却水循环管保护壳 冷却水循环管的外侧，以及安装在其中心，前后的具有多关节角度调节连杆的倾斜冷却板（40）; 以及普通的水冷式拉丝设备（60），安装在颗粒状一次晶体发生设备的输出侧，通过倾斜的冷却板向下保持炉（50）注入颗粒状初级晶体来制造半固体金属。
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