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公开(公告)号:KR101059529B1
公开(公告)日:2011-08-26
申请号:KR1020100108674
申请日:2010-11-03
Applicant: 한국과학기술연구원
IPC: C23C10/48
Abstract: PURPOSE: A method for manufacturing Fe-Al magnetic plates is provided to reduce the manufacturing process and costs by employing a mild steel plate easy to obtain and reusing inactive powder and Al powder. CONSTITUTION: A method for manufacturing Fe-Al magnetic plates comprises the steps of: preparing compound powder including inactive powder, active agent powder, and Al powder(S10); preparing one or more mild steel plates(S20); surrounding the mild steel plates with the compound powder(S30); heating the compound powder and the mild steel plates to 700~1200°C in an inactive atmosphere in order to disperse Al coming out from the Al powder into the mild steel plate(S40); and collecting the remaining inactive powder to be reused for preparation of the compound powder.
Abstract translation: 目的:提供一种制造Fe-Al磁性板的方法,通过使用易于获得和重复使用惰性粉末和Al粉末的低碳钢板来减少制造工艺和成本。 构成:制造Fe-Al磁性板的方法包括以下步骤:制备包含惰性粉末,活性剂粉末和Al粉末的复合粉末(S10); 准备一个或多个低碳钢板(S20); 用复合粉末围绕低碳钢板(S30); 在惰性气氛中将复合粉末和低碳钢板加热至700〜1200℃,以将从Al粉末出来的Al分散到低碳钢板中(S40); 并收集剩余的无活性粉末以再次用于制备复合粉末。
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公开(公告)号:KR100822302B1
公开(公告)日:2008-04-16
申请号:KR1020060099989
申请日:2006-10-13
Applicant: 한국과학기술연구원
Abstract: A new TaSi2-SiC nanocomposite coating layer formed on a surface of tantalum or tantalum alloys is provided to improve isothermal oxidation resistance and repeated oxidation resistance of the coating layer at high temperatures and improve mechanical properties of the coating layer at high temperatures, and a manufacturing method of the nanocomposite coating layer is provided. A manufacturing method of a TaSi2-SiC nanocomposite coating layer comprises the steps of: (a) simultaneously vapor-depositing tantalum and carbon onto a surface of tantalum or tantalum alloys as a matrix to form a TaC coating layer on the surface of the matrix, and forming a Ta2C coating layer on the TaC coating layer; and (b) vapor-depositing silicon onto the surface of the tantalum carbide coating layer to form a TaSi2-(31.5-16) vol.% SiC nanocomposite coating layer, wherein the nanocomposite coating layer is gradient structured such that the SiC volume fraction of the nanocomposite coating layer is reduced as it goes from the matrix side to the surface side.
Abstract translation: 提供在钽或钽合金表面上形成的新的TaSi2-SiC纳米复合涂层,以提高涂层在高温下的等温抗氧化性和反复抗氧化性,并提高涂层在高温下的机械性能,以及制造 提供了纳米复合涂层的方法。 TaSi2-SiC纳米复合涂层的制造方法包括以下步骤:(a)将钽和碳同时气相沉积到钽或钽合金的表面上作为基体,以在基体的表面上形成TaC涂层, 在TaC涂层上形成Ta2C涂层; 和(b)将氧气沉积到碳化钽涂层的表面上以形成TaSi2-(31.5-16)体积%SiC纳米复合材料涂层,其中纳米复合涂层是梯度结构的,使得SiC体积分数 当纳米复合涂层从基体侧流到表面侧时,纳米复合涂层被还原。
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公开(公告)号:KR1020050017671A
公开(公告)日:2005-02-23
申请号:KR1020030053449
申请日:2003-08-01
Applicant: 한국과학기술연구원
IPC: B22F3/00
Abstract: PURPOSE: To provide a method capable of effectively fabricating a metallic wire for thermal spray coating or welding of high quality although a metallic material having low formability is used as a raw material. CONSTITUTION: A fabrication method of metallic wire for thermal spray coating or welding comprises a step of forming molten droplet having a size of 500 μm or less; a step of manufacturing the molten droplet into a laminated composite before the molten droplet is solidified; and a step of processing the laminated composite into a wire rod, wherein a method for forming the molten droplet is a gas atomization method using a gas having a high pressure of 3 to 30 atmospheric pressures, wherein the method for forming the molten droplet is a centrifugal atomization method for forming micro-droplets using centrifugal force of the rotary body as flowing molten metal over a rotary body, and wherein the step of processing the laminated composite into the wire rod is performed at a temperature of 150 to 500 deg.C during extrusion and at an ordinary temperature to 500 deg.C during rolling of fine wire.
Abstract translation: 目的:提供能够有效地制造用于热喷涂或高质量焊接的金属线的方法,尽管使用具有低成形性的金属材料作为原料。 构成:用于热喷涂或焊接的金属线的制造方法包括形成尺寸为500μm以下的熔融液滴的步骤; 在熔融液滴固化之前将熔融液滴制成层压复合体的步骤; 以及将层叠复合体加工成线材的步骤,其中形成熔融液滴的方法是使用3〜30个大气压的高压气体的气体雾化方法,其中形成熔融液滴的方法为 使用旋转体的离心力使流动的熔融金属在旋转体上形成微滴的离心雾化法,其中将层压复合体加工成线材的步骤在150〜500℃的温度下进行, 在细丝轧制过程中在常温至500℃。
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公开(公告)号:KR1020050010595A
公开(公告)日:2005-01-28
申请号:KR1020030049827
申请日:2003-07-21
Applicant: 한국과학기술연구원
IPC: B32B7/02
CPC classification number: B23K20/04 , B23K2203/05
Abstract: PURPOSE: Provided are a clad of new structure having excellent induction heating and processability and used for cladding of Al alloy used for kitchen utensil, and method of production thereof. CONSTITUTION: The clad for cladding of Al alloy used for kitchen utensil has a laminate structure of austenite stainless steel, magnetic steel and austenite stainless steel. The magnetic steel is plain steel. The method of clad comprises the steps of providing magnetic steel in the form of villette; providing austenite stainless steel in the form of plate on the upper side and the lower side of the villette, respectively and welding to form integral body; and contacting the austenite stainless steel and roller to roll the integral body.
Abstract translation: 目的:提供具有优异的感应加热和加工性的新结构的包层,并且用于厨房用具的铝合金包层及其制造方法。 构成:用于厨房用具的铝合金包层包层具有奥氏体不锈钢,磁钢和奥氏体不锈钢的层压结构。 磁钢是普通钢。 包层的方法包括以小米形式提供磁钢的步骤; 分别在小碗的上侧和下侧设置板状奥氏体不锈钢,并焊接成一体; 并与奥氏体不锈钢和辊接触以滚动整体。
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35.
公开(公告)号:KR1020040074736A
公开(公告)日:2004-08-26
申请号:KR1020030010122
申请日:2003-02-18
Applicant: 한국과학기술연구원
IPC: C23C14/06
CPC classification number: C23C14/0641 , C23C14/5806 , C23C14/5873
Abstract: PURPOSE: A TiN coating layer formed Ni-Ti shape memory alloy for medical devices is provided which is universally used as a material for the medical devices by improving surface properties of conventional Ni-Ti shape memory alloy, and a method for manufacturing the same is provided. CONSTITUTION: The Ni-Ti shape memory alloy for medical devices is characterized in that a TiN coating layer is formed on the Ni-Ti shape memory alloy. In a method for manufacturing Ni-Ti shape memory alloy for medical devices manufactured by heat treating the certain shaped Ni-Ti alloy matrix at a certain temperature so that the Ni-Ti alloy memorizes shape after forming a Ni-Ti alloy matrix in a certain shape, the method comprises a step of forming a TiN coating layer on the surface of the Ni-Ti alloy matrix before forming the Ni-Ti alloy matrix in a certain shape, wherein the method further comprises a step of forming an Au coating layer after forming the TiN coating layer; and a step of removing the Au coating layer after heat treatment, wherein the TiN coating layer is formed by sputtering or vacuum evaporation, and wherein the Au coating layer is formed by sputtering or vacuum evaporation.
Abstract translation: 目的:提供一种形成用于医疗装置的Ni-Ti形状记忆合金的TiN涂层,其通过改善常规Ni-Ti形状记忆合金的表面性能而被普遍用作医疗装置的材料,其制造方法 提供。 构成:用于医疗器件的Ni-Ti形状记忆合金的特征在于,在Ni-Ti形状记忆合金上形成TiN涂层。 在制造用于医疗器件的Ni-Ti形状记忆合金的方法中,所述Ni-Ti形状记忆合金通过在一定温度下热处理某种成形的Ni-Ti合金基体而制造,以使Ni-Ti合金在形成Ni-Ti合金基体之后形成一定形状 该方法包括在形成一定形状的Ni-Ti合金基体之前,在Ni-Ti合金基体的表面上形成TiN涂层的步骤,其中该方法还包括以下步骤:在形成Au涂层之后形成Au涂层 形成TiN涂层; 以及在热处理后除去Au被覆层的工序,其中通过溅射或真空蒸发形成TiN涂层,并且其中通过溅射或真空蒸发形成Au涂层。
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公开(公告)号:KR1020040036342A
公开(公告)日:2004-04-30
申请号:KR1020020065318
申请日:2002-10-24
Applicant: 한국과학기술연구원
IPC: B32B15/01
CPC classification number: B32B37/10 , B32B15/013 , B32B37/06 , B32B2038/0092 , B32B2255/06 , B32B2255/205 , B32B2309/02 , B32B2311/18 , B32B2311/24
Abstract: PURPOSE: A preparation method of titanium/iron alloy/titanium clad sheets is provided to be economical at the low temperature and to prevent the physical property of titanium from deteriorating in preparing the titanium/iron alloy clad material. CONSTITUTION: The preparation method of titanium/iron alloy/titanium clad sheets comprises the steps of: inserting aluminum or aluminum alloy sheets between iron alloy sheets and titanium sheets and laminating; bonding by hot rolling the laminated sheets under the air without an atmospheric gas at 200 to 450 deg.C; and diffusion treating the inserted aluminum of the bonded sheets at 250 to 450 deg.C. The titanium/iron alloy/titanium clad sheets comprise aluminum or aluminum alloy as an intermediate material between titanium and iron alloy.
Abstract translation: 目的:提供钛/铁合金/钛复合板的制备方法在低温下是经济的,并且在制备钛/铁合金包覆材料时防止钛的物理性能劣化。 构成:钛/铁合金/钛复合板的制备方法包括以下步骤:在铝合金板和钛片之间插入铝或铝合金板层压; 在200〜450℃下,不使用大气气体在空气下热压层叠片而进行接合; 并在250〜450℃下对粘合片的插入铝进行扩散处理。 钛/铁合金/钛复合板包括铝或铝合金作为钛和铁合金之间的中间材料。
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公开(公告)号:KR1020010073065A
公开(公告)日:2001-07-31
申请号:KR1020010010501
申请日:2001-02-28
Applicant: 한국과학기술연구원
IPC: H01L23/06
Abstract: PURPOSE: A method of manufacturing a metal case for optical transmission and reception module packaging is provided to form an airtight case by using a powder injection method and a sintering method without an additional mechanical process. CONSTITUTION: Iron, nickel, and cobalt powders for composing an ASTM F-15 alloy are mixed uniformly. A feedstock for injection is manufactured by mixing a high molecule binder such as a paraffin wax, polyethylene, and a stearic acid into the mixed powders. An injection mold is manufactured by using the feedstock. The injected molding body is removed by an n-hepthan solution. The remaining binders are removed by a thermal decompression process. A sintering process for the molding body is performed. A nickel plating process and a gold plating process are performed on the sintered body. A glass sealing(2) process is performed. A lid is combined with an upper portion(3) of the metal case.
Abstract translation: 目的:提供一种制造用于光学传输和接收模块包装的金属外壳的方法,通过使用粉末喷射法和烧结方法形成气密的外壳,而不需要额外的机械加工。 构成:用于组成ASTM F-15合金的铁,镍和钴粉末均匀混合。 通过将高分子粘合剂如石蜡,聚乙烯和硬脂酸混合到混合粉末中来制造注射用原料。 通过使用原料制造注射模具。 注射成型体通过正庚醇溶液除去。 剩余的粘合剂通过热减压方法除去。 进行成型体的烧结工序。 对烧结体进行镀镍处理和镀金工序。 进行玻璃密封(2)处理。 盖子与金属外壳的上部(3)组合。
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公开(公告)号:KR1020000009734A
公开(公告)日:2000-02-15
申请号:KR1019980030343
申请日:1998-07-28
Applicant: 한국과학기술연구원
IPC: H01L23/34
CPC classification number: H01L23/3732 , H01L2924/0002 , H01L2924/09701 , H01L2924/00
Abstract: PURPOSE: The heat dissipater has a low thermal expansion coefficient and a high thermal conductivity to be used in a power transistor, to dissipate effectively the heat generated in the operation of a semiconductor chip and to protect a circuit comprising a device or a module from a moisture and an electromagnetic disturbance. CONSTITUTION: The heat dissipater comprises: a heat dissipater net-shaped with a tungsten-copper composite as a heat dissipater material of a high power semiconductor or a laser diode; and a diamond film coated on the surface of the heat dissipater to improve the thermal conductivity of the heat dissipater. The method comprises the steps of: fabricating a tungsten-copper composite material heat dissipater net-shaped by a powder injection molding; improving the quality of the surface of the heat dissipater by gushing out copper from the surface; coating the diamond film to improve the thermal conductivity on the surface of the heat dissipater; and improving the adhesion force of the coating by the thermal treatment of the heat dissipater.
Abstract translation: 目的:散热器在功率晶体管中具有低热膨胀系数和高导热性,有效地散发在半导体芯片的操作中产生的热量,并且将包括器件或模块的电路从 潮湿和电磁干扰。 构成:散热器包括:具有钨铜复合材料的网状散热器作为大功率半导体或激光二极管的散热材料; 以及涂覆在散热器表面上的金刚石膜以改善散热器的导热性。 该方法包括以下步骤:通过粉末注射成型制造网状铜钨复合材料散热器; 通过从表面喷出铜来提高散热器表面的质量; 涂覆金刚石膜以改善散热器表面的导热性; 并通过散热器的热处理改善涂层的附着力。
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公开(公告)号:KR101987973B1
公开(公告)日:2019-06-11
申请号:KR1020170163740
申请日:2017-11-30
Applicant: 한국과학기술연구원
IPC: G01N23/202 , G01N23/204 , G01N21/47 , G01N1/36 , G01N1/38
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