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41.发明公开
公开(公告)号：KR1020050021753A
公开(公告)日：2005-03-07
申请号：KR1020030058941
申请日：2003-08-26
Applicant: 한국과학기술연구원
CPC classification number: B22F1/0044 , C22C1/1084 , C22C29/06
Abstract: PURPOSE: To provide a method for preparing TiC-based cermet without core-rim structure, and a method for preparing high hardness TiC-based cermet having a microstructure in which components are uniform and having a grain size of submicron. CONSTITUTION: The method for preparing ultrafine grained cermet with homogeneous solid solution grain structure comprises: a step of producing a mixed powder consisting of 50 to 90 wt.% of TiC, 5 to 30 wt.% of TMxCy(x and y are integers) and 5 to 30 wt.% of nickel(Ni), cobalt(Co), or a mixture of nickel(Ni) and cobalt(Co) by mixing titanium(Ti) powder, transition metals(TM) powder, carbon(C) powder, nickel(Ni) powder and cobalt(Co) powder; a step of producing nano-composite powder, (Ti,TM)C-(Ni,Co) by performing high energy ball milling after injecting the mixed powder along with balls having a certain diameter into a reaction container; and a step of forming and sintering the produced nano-composite powder.
Abstract translation: 目的：提供一种无核心结构的TiC基金属陶瓷的制备方法，以及制备具有均匀且亚微米粒径的组织的高硬度TiC系金属陶瓷的方法。 构成：制备具有均匀固溶晶粒结构的超细晶粒金属陶瓷的方法包括：制备由50-90重量％的TiC，5-30重量％的TMxCy（x和y是整数）组成的混合粉末的步骤， 通过混合钛（Ti）粉末，过渡金属（TM）粉末，碳（C）等），镍（Ni），钴（Co）或镍（Ni）和钴 粉末，镍（Ni）粉末和钴（Co）粉末; 通过在将混合粉末与具有一定直径的球注入反应容器之后进行高能球磨，制备（Ti，TM）C-（Ni，Co）的纳米复合粉末的步骤; 以及形成和烧结所制备的纳米复合粉末的步骤。
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公开(公告)号：KR100456797B1
公开(公告)日：2004-11-10
申请号：KR1020020023973
申请日：2002-05-01
Applicant: 한국과학기술연구원
Abstract: PURPOSE: A fabrication method of nanocrystalline titanium nitride/titanium-metal compound composite powder by forming titanium nitride and titanium intermetallic compound by reaction milling using titanium and metal nitride as raw material powder is provided. CONSTITUTION: The method comprises the processes of mixing titanium (Ti) powder having purity of 95% or more and particle size of 100 nm or less with metal nitride powder having purity of 95% or more and particle size of 50 nm or less in a mole ratio of 1:1 to 20:1; injecting the mixture along with balls having diameter of 5 to 30 mm into a reaction jar; introducing argon (Ar), nitrogen or air into a reaction chamber; and performing high energy ball milling on the mixture, wherein the metal nitride is selected from boron nitride (BN), silicon nitride (Si3N4) and aluminum nitride (AlN), wherein the reaction chamber and balls are made of tool steel, stainless steel, hard metal or zirconia, wherein the mixture and balls are injected into the reaction chamber in a weight ratio of 1:1 to 1:100, wherein the milling process is performed using shaker mill, planetary mill or attritor mill, wherein particle size of powder formed by the reaction milling is 10 nm or less, and wherein the milling process is performed for 1 to 48 hours.
Abstract translation: 目的：提供一种通过使用钛和金属氮化物作为原料粉末通过反应研磨来形成氮化钛和钛金属间化合物的纳米晶氮化钛/钛 - 金属化合物复合粉末的制造方法。 该方法包括以下步骤：将具有95％或更高的纯度和100nm或更小的粒度的钛（Ti）粉末与纯度为95％或更高且粒径为50nm或更小的金属氮化物粉末 摩尔比为1：1至20：1; 将该混合物与直径为5至30mm的球一起注入反应罐中; 将氩（Ar），氮气或空气引入反应室; 对所述混合物进行高能球磨，所述金属氮化物选自氮化硼（BN），氮化硅（Si3N4）和氮化铝（AlN），所述反应室和球体由工具钢，不锈钢， 硬金属或氧化锆，其中混合物和球以1：1至1：100的重量比注入反应室中，其中研磨过程使用振动研磨机，行星式研磨机或超微磨碎机进行，其中粉末 通过反应研磨而形成的颗粒为10nm或更小，并且其中研磨过程进行1至48小时。
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公开(公告)号：KR1019970002797B1
公开(公告)日：1997-03-11
申请号：KR1019940008947
申请日：1994-04-27
Applicant: 한국과학기술연구원
IPC: A47J36/24
CPC classification number: F25D21/04 , F25D31/007 , F25D2331/805 , F25D2331/809
Abstract: A beverage can cooler is composed of a cooling or heating shoe(7) of metal materials which has good thermal conductivity, a heat capacitor(9) for receiving absorbed heat by the thermal conductive module when cooled, a radiation pin(11) for emitting heat of the heat capacitor outward, radiation fan for the forced cooling to improve the heat emission effect of radiation pin and a diameter adjustment lever to fix beverage cans received within the cooling or heating room. Accordingly, a can-cooler is produced to be small in size and slight in weight for the purpose of heating or cooling beverage cans handily.
Abstract translation: 饮料罐冷却器由具有良好导热性的金属材料的冷却或加热靴（7）组成，用于在冷却时由导热模块接收吸热的热电容器（9），用于发射的辐射销 热电容器的热量向外，辐射风扇用于强制冷却，以提高辐射销的散热效果和直径调节杆来固定在冷却或加热室内接收的饮料罐。 因此，为了便于加热或冷却饮料罐的目的，制造了一种尺寸小且重量轻的罐式冷却器。
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公开(公告)号：KR1020180106003A
公开(公告)日：2018-10-01
申请号：KR1020170033507
申请日：2017-03-17
Applicant: 한국과학기술연구원
IPC: B22D11/06 , B22D11/103 , B22D11/113 , B22D11/18 , B22D41/08
Abstract: 본발명은서로다른조성의용탕을각각수용하되, 원하는시점에각각의상기용탕을중력에의하여하방으로제공할수 있는, 적어도둘 이상의래들(Ladle); 상기래들로부터상기서로다른조성의용탕을공급받아중력에의하여하방으로제공하되, 상기서로다른조성의용탕이잘 혼합되도록용탕이흐르는탕도가여러번의굴곡을가지도록배치된, 적어도둘 이상의턴디쉬(Tundish); 혼합된상기용탕을상기턴디쉬로부터공급받아길이방향으로조성이변하는일체로서의금속판재를형성할수 있는, 한쌍의주조롤; 및상기적어도둘 이상의래들중의어느하나의래들에수용된제 1 조성의용탕을상기턴디쉬로공급하는동안상기적어도둘 이상의래들중의다른어느하나의래들에수용된제 2 조성의용탕을시간에따라다른유량으로상기턴디쉬로공급하도록제어하는, 제어부;를포함하는스트립캐스터를제공한다.
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45.发明授权하이드로탈사이트형 화합물로부터 유도된 이산화탄소의 메탄화 반응용 촉매를 이용한 메탄의 제조방법, 메탄화 반응용 촉매, 및 그 촉매의 제조방법 有权使用衍生自盐酸类型化合物甲烷化催化剂的甲基化催化剂及其制备方法制备甲烷的制备方法
公开(公告)号：KR101655092B1
公开(公告)日：2016-09-07
申请号：KR1020130138468
申请日：2013-11-14
Applicant: 한국과학기술연구원
IPC: C07C1/24 , C07C9/04 , C07C7/20 , B01J23/755
Abstract: 본발명은메탄화반응용촉매를이용한메탄의제조방법, 메탄화반응용촉매, 및그 촉매의제조방법에대한것으로, 니켈이치환된하이드로탈사이트형전구체를사용하여 CO또는 CO의메탄화반응용니켈계촉매를제조하고, 이를이용하여경제적인방법으로메탄을제조하는방법을제공하는것이다. 상기메탄화촉매는상대적으로저온에서도높은촉매활성을나타내며촉매의내구성도우수하다.
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Patent Agency Ranking
公开(公告)号：KR1020130128732A
公开(公告)日：2013-11-27
申请号：KR1020120052687
申请日：2012-05-17
Applicant: 한국과학기술연구원
CPC classification number: C22C45/008 , B01D71/022 , C22C1/002 , C22C1/02 , C22C2200/02 , C22C2202/04 , Y02E60/327
Abstract: An amorphous hydrogen permeation alloy for membranes having excellent hydrogen permeability and stable structure and a manufacturing method thereof are provided. The amorphous hydrogen permeation alloy for membranes comprises: one or more first metals selected from a group containing nickel, cobalt, and iron; one or more second metals selected from a group containing niobium, tantalum, and vanadium; and one or more third metals including zirconium. The amount of the third metal can be 25at% or less. [Reference numerals] (S10) Provide a mixture by mutually mixing a first metal, a second metal, and a third metal;(S20) Provide an alloy by vacuum-dissolve the mixture;(S30) Provide a thin film by melting and spinning the alloy
Abstract translation: 提供了一种具有优异的氢渗透性和稳定结构的膜的无定形氢渗透合金及其制造方法。 用于膜的无定形氢渗透合金包括：一种或多种选自含镍，钴和铁的第一金属; 一种或多种选自含有铌，钽和钒的第二种金属; 和一种或多种第三金属，包括锆。 第三金属的量可以为25at％以下。 （S10）通过相互混合第一金属，第二金属和第三金属来提供混合物（S20）通过真空溶解混合物来提供合金;（S30）通过熔融和纺丝提供薄膜 合金
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公开(公告)号：KR101042249B1
公开(公告)日：2011-06-17
申请号：KR1020090088133
申请日：2009-09-17
Applicant: 한국과학기술연구원
CPC classification number: H01M8/021 , H01M8/0228 , Y02P70/56
Abstract: 본 발명은 표면 변형층을 통한 스피넬 산화물층의 형성을 촉진함으로서, 크롬의 휘발을 억제하고, 전기 전도도 및 내산화성을 향상시킨 연료전지 금속접속자 및 그 제조방법에 관한 것이다.
본 발명은 연료전지 금속 접속자용 페라이트계 강재의 표면에 Cr
2 MnO
4 스피넬 산화물층의 형성을 촉진시키는 표면 변형층을 포함하는 전기 전도도 및 내산화성이 우수한 연료전지 금속접속자 및 그 제조방법을 제공한다.
연료전지(Fuel Cell), 접속자(interconnector), 전기 전도도(Electrical Conductivity)-
公开(公告)号：KR1020100101434A
公开(公告)日：2010-09-17
申请号：KR1020090019926
申请日：2009-03-09
Applicant: 한국과학기술연구원
CPC classification number: Y02E60/321 , Y02E60/324 , C01B3/06 , C01B6/02 , C01B6/04 , C01B6/21
Abstract: PURPOSE: A hydrogen storage material and a method for manufacturing the same are provided to increase the speed of storing hydrogen while reducing the temperature of emitting hydrogen. CONSTITUTION: A hydrogen storage material includes a lithium boron hydride, a calcium hydride, and a niobium fluoride. The amount of the niobium fluoride is 5wt%-30wt%. The molar ratio of the lithium boron hydride to the calcium hydride is 4-8. If the hydrogen storage material emits hydrogen, the lithium boron hydride and the calcium hydride are reacted with each other to be changed into a lithium hydride(LiH) and calcium boride.
Abstract translation: 目的：提供储氢材料及其制造方法，以提高氢的储存速度，同时降低发射氢的温度。 构成：储氢材料包括硼氢化锂，氢化钙和氟化铌。 氟化铌的量为5重量％〜30重量％。 硼氢化锂与氢化钙的摩尔比为4-8。 如果储氢材料发射氢气，则使硼氢化锂和氢化钙彼此反应成为氢化锂（LiH）和硼化钙。
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公开(公告)号：KR100811116B1
公开(公告)日：2008-03-06
申请号：KR1020060112215
申请日：2006-11-14
Applicant: 한국과학기술연구원
CPC classification number: C01B3/0026 , C01B3/0078 , Y02E60/327 , Y10S420/90
Abstract: A method for preparing magnesium-based hydrogen storage materials is provided to improve the hydrogen storage rate of magnesium hydroxide while minimizing the reduction of hydrogen storage capacity of the magnesium hydroxide, by using high-energy ball milling. A mixture of magnesium hydroxide and transition metal halide is formed(S10). The mixture and balls are inputted into a case(S20). Inert gas or hydrogen gas fills the case(S30). A high-energy ball milling process is performed on the mixture for 5-30 minutes(S40). In the step of forming the mixture, 0.1-5 mol% of transition metal halide powder is added based on the mixture. The balls have diameters of 5-30 mm. A weight ratio of the mixture to the balls is 1:1-1:100.
Abstract translation: 提供一种制备镁基储氢材料的方法，以通过使用高能球磨将氢氧化镁的储氢能力降至最低，从而提高氢氧化镁的储氢率。 形成氢氧化镁和过渡金属卤化物的混合物（S10）。 将混合物和球输入到壳体（S20）中。 惰性气体或氢气填充（S30）。 在混合物上进行高能球磨过程5-30分钟（S40）。 在形成混合物的步骤中，基于该混合物加入0.1-5mol％的过渡金属卤化物粉末。 球的直径为5-30毫米。 混合物与球的重量比为1:1-1:100。
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公开(公告)号：KR1020070016304A
公开(公告)日：2007-02-08
申请号：KR1020050070841
申请日：2005-08-03
Applicant: 한국과학기술연구원
Abstract: 본 발명은 초미세 결정립 질화티타늄/붕화티타늄 복합 서메트 제조방법에 관한 것으로, 특히 티타늄(Ti)과 질화붕소(BN) 및 스테인레스강(stainless steel) 분말을 원료분말로 하여 반응밀링법(reaction milling)에 의해 질화티타늄(TiN)/붕화티타늄(TiB
2 )/스테인레스강 나노 복합분말을 제조하고, 제조된 나노 복합분말을 액상소결하여 초미세 질화티타늄/붕화티타늄 서메트를 제조하는 방법에 관한 것이다.
본 발명의 초미세 결정립 질화티타늄/붕화티타늄 복합 서메트 제조방법은 티타늄 분말과 질화붕소 분말을 3:2의 몰비로 혼합하는 제1공정;상기 혼합 분말에 스테인레스강 분말 5 ~ 60 중량 %를 추가로 혼합하는 제2공정; 상기 혼합 분말을 소정 직경의 볼과 함께 반응용기에 투입한 후 하이에너지볼밀링을 수행하여 질화티타늄/붕화티타늄/스테인레스강 나노 복합분말을 생성하는 제3공정; 및 상기 생성된 나노 복합분말을 성형 및 소결하는 제4공정;을 포함한다.
초미세, 결정립, 질화티타늄, 붕화티타늄, 복합 서메트
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