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11.发明授权
公开(公告)号：KR101656131B1
公开(公告)日：2016-09-08
申请号：KR1020140020611
申请日：2014-02-21
Applicant: 한국교통대학교산학협력단
Abstract: 본발명은그라파이트-금속기복합소재에대하여기계적합금화를실시하여방열성능을대폭향상시킬수 있는나노복합소재의제조방법및 그제조방법에의한나노복합소재에관한것이다. 본발명의일례와관련된그라파이트-금속기복합소재의기계적합금화를이용한나노복합소재의제조방법은, 볼밀(ball mill)을이용하여 Al 분말과팽창그라파이트분말에대해 2시간동안기계적합금화(Mechanical Alloying)를실시하여상기 Al 분말과상기팽창그라파이트분말을혼합시키는제 1 단계및 상기혼합된 Al 분말과팽창그라파이트분말에대하여 20분내지 30분동안기계적합금화를실시하는제 2단계를포함할수 있으며, 상기제 2 단계의기계적합금화는고에너지볼밀(high energy ball mill) 공정이다.
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公开(公告)号：KR1020090114126A
公开(公告)日：2009-11-03
申请号：KR1020080039913
申请日：2008-04-29
Applicant: (주)우리정도 , 한국교통대학교산학협력단
IPC: H01M2/30
CPC classification number: H01M10/0404 , H01M2/30 , H01M2220/30 , Y02E60/122
Abstract: PURPOSE: A method for manufacturing a lead-tab for an anode is provided to prepare a lead-tab for an anode of a secondary battery by a simple process at inexpensive costs, thereby lowering production cost of lithium ions or a lithium polymer secondary battery. CONSTITUTION: A method for manufacturing a lead-tab for an anode comprises a preparation step of preparing a copper plate as a raw material of a current collector; a plating step of plating a copper plate with nickel; a rolling step of rolling nickel-plated copper plate; and a heat treatment step of heating the rolled nickel-plated copper plate. The heat treatment temperature is 300~500 °C.
Abstract translation: 目的：提供一种用于制造用于阳极的引线片的方法，以便以廉价的成本通过简单的工艺制备二次电池的阳极的引线片，从而降低了锂离子或锂聚合物二次电池的生产成本。 构成：用于制造阳极用引线片的方法包括：制备作为集电体的原料的铜板的制备工序; 镀镍步骤，镀镍铜板; 轧制镀镍铜板的轧制步骤; 以及对轧制的镀镍铜板进行加热的热处理工序。 热处理温度为300〜500℃。
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公开(公告)号：KR1020070087875A
公开(公告)日：2007-08-29
申请号：KR1020060002604
申请日：2006-01-10
Applicant: 한국교통대학교산학협력단
IPC: B01D39/20
Abstract: A method for manufacturing an open-cell type copper alloy filter is provided to improve the mechanical characteristic of the filter and make the filter useful in adsorbing heavy metals and purifying silver sewage. Urethane filter foam is cut and pretreated. The pretreated urethane filter foam is inputted into a copper plating solution to be basically plated. The urethane filter foam is electroless-plated and electrolytically plated. The plated product is heated at a temperature of 200-300°C for 1-2 hours. The heated product is treated at a temperature of 500-600°C for 1-2 hours, and treated at a temperature of 600-750°C for 1-3 hours. The pretreating of the urethane filter foam is performed by immersing the cut urethane filter foam into a palladium catalyst, and drying the urethane filter foam, and hating the dried urethane filter foam at a temperature of 100-250°C for 10 minutes to two hours.
Abstract translation: 提供一种开孔型铜合金过滤器的制造方法，以提高过滤器的机械特性，使过滤器可用于吸附重金属和净化银污水。 聚氨酯过滤泡沫被切割并进行预处理。 将预处理的聚氨酯滤泡泡沫体输入到镀铜液中，基本镀敷。 氨基甲酸酯滤泡泡沫是无电镀和电解电镀的。 将镀覆产物在200-300℃的温度下加热1-2小时。 将加热的产物在500-600℃的温度下处理1-2小时，并在600-750℃的温度下处理1-3小时。 氨基甲酸酯滤泡泡沫的预处理是通过将切割的氨基甲酸酯滤泡泡沫浸入钯催化剂中并干燥聚氨酯滤泡进行的，并将干燥的聚氨酯滤泡泡沫在100-250℃下搅拌10分钟至2小时 。
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Patent Agency Ranking
公开(公告)号：KR100677894B1
公开(公告)日：2007-02-05
申请号：KR1020050078360
申请日：2005-08-25
Applicant: 한국교통대학교산학협력단
Abstract: A process of fabricating a cobalt triantimonide(CoSb3) based thermoelectric material with Nb doping is provided to produce the material with improved thermoelectric properties including electric conductivity, thermoelectric factor and seeback coefficient by doping niobium to CoSb3 thermoelectric material and heat treating the doped material through annealing process. The process includes the steps of: preparing Co, Sb and Nb as starting materials in state of elements; forming Co(1-x)NbxSb3 wherein x ranges from 0.01 to 0.02 by mixing all of the starting materials and induction melting the mixture under Ar atmosphere; and annealing the molten material at 400deg.C to accomplish phase homogeneity and phase alteration thereof. By the suitable heat treatment after doping Nb element on CoSb3 thermoelectric material, the CoSb3 based thermoelectric material is produced with remarkably improved seeback coefficient, electric conductivity and thermoelectric factor.
Abstract translation: 提供了一种制造具有Nb掺杂的三锑基钴（CoSb 3）基热电材料的工艺，以通过将铌掺杂到CoSb 3热电材料并通过退火对掺杂材料进行热处理来生产具有改进的热电性质的材料，包括导电性，热电因子和返回系数 处理。 该方法包括以下步骤：以元素状态制备Co，Sb和Nb作为原料; 通过混合所有起始材料并在Ar气氛下感应熔融混合物，形成Co（1-x）Nb x Sb 3，其中x为0.01-0.02; 并在400℃下对熔融材料进行退火以实现其相位均匀性和相变。 通过在CoSb3热电材料上掺杂Nb元素后进行适当的热处理，制备了CoSb3基热电材料，其回归系数，导电率和热电因子显着提高。
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公开(公告)号：KR1020010018176A
公开(公告)日：2001-03-05
申请号：KR1019990034005
申请日：1999-08-17
Applicant: 한국교통대학교산학협력단
IPC: B22D18/04
CPC classification number: B22D18/02 , B22D21/007
Abstract: PURPOSE: A method for manufacturing an alloy for squeeze casting is provided to improve castability by pressurizing effect during squeeze casting, and improve tensile strength by pressurizing and rapidly cooling effects due to squeeze casting. CONSTITUTION: A method for manufacturing an alloy for squeeze casting comprises the processes of choosing an alloy in which 1 to 7 wt.% of Fe is contained and AC4C alloy as starting alloys, melting the alloys at a temperature of 850 to 900 deg.C in an electric resistance furnace, gravity casting and squeeze casting the melted alloys with melt which is multi-gas treated within the range of 0.2 melt weight, manufacturing a sample in a bar shape having a size of 5 mm (diameter) x 10 cm (length) using a vertically pressurized type squeeze casting press (1) in the squeeze casting, wherein 750 deg.C of a temperature of the melt is maintained as an injection temperature, preheating a mold (4) at a temperature of 200 to 250 deg.C so that inner surface of the mold (4) and a punch (2) are coated with an oil based graphite releasing agent, and presetting a pressurizing pressure of 50 to 100 MPa, a pressurizing time of 60 sec, and a pressurizing rate of 20 mm/sec after injecting the melt.
Abstract translation: 目的：提供一种制造用于挤压铸造的合金的方法，以通过挤压铸造期间的加压效果来提高铸造性，并且通过挤压加压和快速冷却效果来提高拉伸强度。 构成：制造用于挤压铸造的合金的方法包括选择含有1至7重量％的Fe的合金和AC4C合金作为起始合金的方法，在850至900℃的温度下熔化合金 在电阻炉中，重力铸造并熔融熔融的熔融合金，该熔融合金在0.2熔体重量的范围内进行多气体处理，制造尺寸为5mm（直径）×10cm的棒状样品（ 长度），在挤压铸造中使用垂直加压型挤压铸造压力机（1），其中将熔体的温度保持750℃作为注射温度，在200至250℃的温度下预热模具（4） 使得模具（4）的内表面和冲头（2）涂覆有油基石墨脱模剂，并且预设加压压力为50至100MPa，加压时间为60秒，加压速率 注射熔体后为20mm / sec。
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16.发明公开그라파이트-금속기 복합소재의 기계적 합금화를 이용한 나노 복합소재의 제조방법 및 그 제조방법에 의한 나노 복합소재 有权使用机械合金和收集的纳米材料制备来自石墨 - 金属复合材料的纳米材料的方法
公开(公告)号：KR1020150099091A
公开(公告)日：2015-08-31
申请号：KR1020140020611
申请日：2014-02-21
Applicant: 한국교통대학교산학협력단
CPC classification number: C22C1/1084 , B82Y40/00 , C22C1/05
Abstract: 본 발명은 그라파이트-금속기 복합소재에 대하여 기계적 합금화를 실시하여 방열성능을 대폭 향상시킬 수 있는 나노 복합소재의 제조방법 및 그 제조방법에 의한 나노 복합소재에 관한 것이다. 본 발명의 일례와 관련된 그라파이트-금속기 복합소재의 기계적 합금화를 이용한 나노 복합소재의 제조방법은, 볼밀(ball mill)을 이용하여 Al 분말과 팽창 그라파이트 분말에 대해 제 1 시간 동안 기계적 합금화(Mechanical Alloying)를 실시하여 상기 Al 분말과 상기 팽창 그라파이트 분말을 혼합시키는 제 1 단계 및 상기 혼합된 Al 분말과 팽창 그라파이트 분말에 대하여 제 2 시간 동안 기계적 합금화를 실시하는 제 2단계를 포함할 수 있으며, 상기 제 2 단계의 기계적 합금화는 고에너지 볼밀(high energy ball mill) 공정이다.
Abstract translation: 本发明涉及通过机械合金化石墨 - 金属复合材料和通过该制造方法制造的纳米复合材料来制造纳米复合材料的方法。 根据本发明的一个实施方案，该方法包括通过使用球磨机机械地使AI粉末和石墨粉末一小时地将膨胀石墨粉末与Al粉末混合的第一步骤; 以及将AI粉末和石墨粉末机械地使两个小时的第二步骤。 机械允许第二步是高能球磨过程。
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公开(公告)号：KR1020150034881A
公开(公告)日：2015-04-06
申请号：KR1020130114337
申请日：2013-09-26
Applicant: 한국교통대학교산학협력단
CPC classification number: Y02P10/234 , C01G19/02 , C01P2006/80
Abstract: 본발명은선택적용해에의한동합금부산물에서의산화주석(SnO) 회수방법및 그회수방법에의해회수된산화주석(SnO)에관한것으로, 보다상세하게는습식제련법에의하여침출, 용액정제, 전해채취공정을통해높은순도의주석을회수하여열처리를통해산화주석형태로회수하는방법에관한것이다. 본발명은주석을포함하는동합금부산물을분쇄및 분급하여전처리하는단계와, 상기전처리된동합금부산물을산 수용액에침지시켜주석화합물을침전시키는단계와, 상기침전된주석화합물을산 수용액으로부터분리하는단계와, 상기분리된주석화합물을건조하는단계와, 상기건조된주석화합물을열처리하는단계를포함하는동합금부산물로부터고순도의산화주석을회수하는방법을제안한다.
Abstract translation: 本发明涉及通过选择性溶解从铜合金副产物中回收氧化锡（SnO 2）的方法和通过回收方法回收的氧化锡（SnO 2）的方法，更具体地说，涉及一种高回收锡的方法 通过浸提，溶液净化和通过湿法精制法的电解液收集的方法的纯度，以通过热处理回收氧化锡。 本发明提供了从铜合金副产物中回收高纯度的氧化锡的方法，其特征在于，包括以下步骤：粉碎和分配包括待预处理的锡的铜合金副产物; 将预处理的铜合金副产物浸渍在酸性水溶液中以沉淀锡化合物; 将沉淀的锡化合物与酸性水溶液分离; 干燥分离的锡化合物; 并对干燥的锡化合物进行热处理。
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公开(公告)号：KR1020030071418A
公开(公告)日：2003-09-03
申请号：KR1020020011105
申请日：2002-02-28
Applicant: 한국교통대학교산학협력단 , (주)세원하드페이싱
IPC: H01L23/36
Abstract: PURPOSE: A method of producing heat sink package by rotating jig type plasma thermal spray is provided to efficiently and economically fabricate a heat sink substrate adaptable to an IC package of a hermetic 4 sided seal type by performing a plasma spraying process using alumina powder. CONSTITUTION: Oxygen free high-conductive copper(OFHC) as a raw material and coating powder are prepared. A grit blasting(G/B) process is performed. The surface of copper is plated. A black oxide process is carried out. A spraying process is performed.
Abstract translation: 目的：提供通过旋转夹具式等离子体热喷涂制造散热器封装的方法，以通过使用氧化铝粉末进行等离子体喷涂工艺来有效且经济地制造适用于密封型四面密封型IC封装的散热片基板。 构成：制备作为原料的无氧高导电铜（OFHC）和涂料粉末。 进行喷砂（G / B）处理。 镀铜表面。 进行黑色氧化物处理。 进行喷雾处理。
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