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公开(公告)号：KR100472922B1
公开(公告)日：2005-03-08
申请号：KR1020020028489
申请日：2002-05-22
Applicant: 한국과학기술연구원 , 한화나노텍 주식회사
IPC: C22C1/04
Abstract: 본 발명은 기지재로서 순수한 알루미늄과 결합제로서 Al-Zn, Al-Si, Al-Cu, Al-Ni, Al-Mg 중에서 선택되는 어느 하나 이상인 알루미늄합금을 포함하여 구성되거나 또는 알루미늄합금만으로 구성된 소결체로서, 상기 소결체의 적어도 한쪽 표면에 하나 이상의 만입부가 형성되어 있는 다공성 알루미늄 흡음재를 제공한다. 또한, 본 발명은 기지재로서 순수한 알루미늄 분말과 결합제로서 알루미늄합금 분말을 혼합하고, 혼합된 분말을 적어도 하나 이상의 돌출부가 형성되어 있는 주형 내에 고르게 분산시키면서 적층하고, 하중을 가한 상태에서 진공상태, 불활성 분위기 또는 수소 분위기 하에서 소결하는 단계를 포함하여 구성되며, 소결된 성형체의 적어도 한쪽 표면에는 상기 돌출부와 동일한 형태의 만입부가 형성되어 있는 것을 특징으로 하는 다공성 알루미늄 흡음재의 제조방법을 제공한다.
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公开(公告)号：KR1020030090885A
公开(公告)日：2003-12-01
申请号：KR1020020028489
申请日：2002-05-22
Applicant: 한국과학기술연구원 , 한화나노텍 주식회사
IPC: C22C1/04
Abstract: PURPOSE: A method for fabricating porous aluminum sound-absorbing material is provided to improve noise reduction characteristics and reduce production cost by reducing quantity of aluminum per unit volume required in sintered porous aluminum sheet, and a porous aluminum sound-absorbing material fabricated by the method is provided. CONSTITUTION: The method comprises the steps of mixing pure aluminum powder as a base material with aluminum alloy powder as a binder, stacking the mixed powder as evenly dispersing the mixed powder into a mold on which at least one or more projecting parts are formed, and sintering the mixed powder under vacuum condition, inert gas atmosphere or hydrogen gas atmosphere in the state that a load is applied to the mixed powder in the mold so that an indentation part having the same shape as the projecting parts is formed on at least one side surface of sintered green compact, wherein the aluminum alloy is one or more alloys selected from Al-Zn, Al-Si, Al-Cu, Al-Ni and Al-Mg, wherein content of a metal bonded to aluminum in the aluminum alloy is in the range of 10 to 40 wt.%, wherein the aluminum powder and aluminum alloy powder are formed in a spherical shape, needle shape or filament, wherein cross sectional shape of the projecting parts is circle, polygon or a mixture thereof, wherein the load applied to the mixed powder is in the range of 20 to 80 g/cm¬2, and wherein the sintering is performed in the sintering temperature range of 550 to 660 deg.C for the sintering time range of 10 min to 2 hrs.
Abstract translation: 目的：提供一种制造多孔铝吸音材料的方法，以通过减少烧结多孔铝板所需的每单位体积的铝量和通过该方法制造的多孔铝吸音材料来改善降噪特性并降低生产成本 被提供。 方法：该方法包括以纯铝粉为基料，以铝合金粉末为粘合剂，将混合粉末均匀分散在形成有至少一个以上突出部分的模具中， 在真空条件下，在惰性气体气氛或氢气气氛中烧结混合粉末，在负载施加到模具中的混合粉末的状态下，使得在至少一个侧面上形成具有与突出部分相同形状的压痕部分 其中所述铝合金是选自Al-Zn，Al-Si，Al-Cu，Al-Ni和Al-Mg中的一种或多种合金，其中在铝合金中与铝结合的金属的含量为 在10〜40重量％的范围内，其中铝粉末和铝合金粉末形成为球形，针状或长丝，其中突出部分的横截面形状为圆形，多边形或其混合物，其中 施加到混合粉末的负载在20至80g / cm 2的范围内，并且其烧结在550至660℃的烧结温度范围内进行，烧结时间范围为10分钟至2小时 。
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公开(公告)号：KR1020040101858A
公开(公告)日：2004-12-03
申请号：KR1020030033825
申请日：2003-05-27
Applicant: 한국과학기술연구원
CPC classification number: H01L21/02603 , B01J21/063 , B01J23/10 , B01J23/28 , B01J23/52 , B01J23/70 , B82Y40/00 , H01L21/02601 , H01L29/0669
Abstract: PURPOSE: Provided is a method for growing silicon carbide nanorod and nanowire for use as field emission display and electronic device by directly growing nanorod and nanowire on substrates at low temperature by using a single precursor and thermal chemical vapor deposition. CONSTITUTION: Carbon nanorod and nanowire are grown by the following steps of: forming a catalyst layer on a substrate by spray-coating 10-50mol% of suspension solution, composed of at least one of Ni, Fe, Co, Cr, La, Ti, Mo and Au, on the substrate made of silicon, glass or graphite; thermal treating the catalyst layer rapidly to agglomerate catalysts; thermal vapor depositing Si and C-contained single precursor flown into a reaction tube with H2 or Ar carrier gas, wherein the single precursor is at least one of hexamethyldisilane, 1,3-disilabutane, tetramethylsilane, tripropylsilane and methyltrichlorosilane.
Abstract translation: 目的：提供一种通过使用单一前体和热化学气相沉积在低温下直接生长纳米棒和纳米线，用于生长碳化硅纳米棒和纳米线用作场致发射显示和电子器件的方法。 构成：通过以下步骤生长碳纳米棒和纳米线：通过喷涂10-50mol％的由Ni，Fe，Co，Cr，La，Ti中的至少一种构成的悬浮液形成催化剂层 ，Mo和Au在由硅，玻璃或石墨制成的衬底上; 迅速热处理催化剂层以使催化剂结块; 将含Si和C的单一前体的热蒸气沉积物用H 2或Ar载气流入反应管中，其中单一前体是六甲基二硅烷，1,3-二硅烷，四甲基硅烷，三丙基硅烷和甲基三氯硅烷中的至少一种。
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公开(公告)号：KR100454715B1
公开(公告)日：2004-11-05
申请号：KR1020020013914
申请日：2002-03-14
Applicant: 한국과학기술연구원
IPC: C23C14/06
CPC classification number: C23C8/02 , C23C10/02 , C23C12/00 , Y10T428/31678
Abstract: 본 발명은 몰리브덴, 몰리브덴 합금, 몰리브덴이 피복된 니오비움 또는 몰리브덴이 피복된 니오비움 합금의 모재 표면상의 MoSi
2 -Si
3 N
4 복합피복층 및 그 제조방법에 관한 것으로써, 상기 모재 표면상의 MoSi
2 -Si
3 N
4 복합피복층은 (1) 상기 모재 표면에 질소를 기상증착하여 Mo
2 N 확산층을 형성하고, Mo
2 N 확산층의 표면에 실리콘을 기상증착하여 MoSi
2 -Si
3 N
4 복합피복층을 형성하거나, (2) 상기 모재 표면에 화학증착법에 의하여 실리콘을 기상증착하여 MoSi
2 확산층을 형성하고, MoSi
2 확산층을 고순도 수소 또는 아르곤 분위기하에 열처리하여 Mo
5 Si
3 확산층으로 상변태시키고, Mo
5 Si
3 확산층의 표면에 화학증착법에 의하여 질소를 기상증착하여 Mo
2 N-Si
3 N
4 복합확산층을 형성하고, Mo
2 N-Si
3 N
4 복합확산층의 표면에 실리콘을 기상증착하여 MoSi
2 -Si
3 N
4 복합피복층을 형성함으로써 제조될 수 있다.
상기 방법으로 제조된 MoSi
2 -Si
3 N
4 복합피복층은 등축정의 MoSi
2 결정입계에 Si
3 N
4 입자들이 분포된 조직을 특징으로 하여 (1) 모재의 반복내산화성의 향상, (2) 저온내산화성의 향상, (3) 피복층의 기계적성질의 개선, 즉 열응력에 의한 미세크랙의 전파억제을 기할 수 있다.Abstract translation: 涂覆在钼，钼合金，钼涂覆的铌或钼涂覆的铌合金的基础材料的表面上的硅化钼 - 氮化硅复合涂层具有这样的结构，即氮化硅颗粒沿着硅化钼的晶界分布 等轴晶粒。 还包括用于制造硅化钼（MoSi 2） - 氮化硅（Si 3 N 4）复合涂层的方法的独立权利要求，其包括通过在基材表面上气相沉积氮气以形成Mo 2 N扩散层，并且形成MoSi 2 -Si3N4复合涂层，通过在Mo2N扩散层的表面上气相沉积硅。
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5.发明公开건식 가열법을 이용한 스테인레스 강 폐 스크랩으로부터비자성 스테인레스 강 섬유와 연마유의 동시회수 방법 및그 장치 失效通过使用干燥加热方法同时回收不锈钢不锈钢纤维和不锈钢切片的方法和装置
公开(公告)号：KR1020040034222A
公开(公告)日：2004-04-28
申请号：KR1020020064312
申请日：2002-10-21
Applicant: 한국과학기술연구원
IPC: B24B55/12
Abstract: PURPOSE: A method and device for recovering nonmagnetic stainless steel fiber and grinding oil from stainless steel scraps simultaneously is provided to prevent environmental pollution by using a dry heating method. CONSTITUTION: A device for recovering nonmagnetic stainless steel fiber and grinding oil from stainless steel scraps is composed of a reaction tube(230) to which the stainless steel scraps are supplied, a heating furnace(240) heating the reaction tube, an automatic feeding unit feeding the scraps to the reaction tube continuously, a cooling unit condensing evaporated materials, a recovery case(270) recovering the condensed materials, and an automatic classifier(280) classifying the stainless steel fiber.
Abstract translation: 目的：提供同时从不锈钢废料中回收非磁性不锈钢纤维和研磨油的方法和装置，以通过使用干式加热方法来防止环境污染。 构成：用于从不锈钢废料中回收非磁性不锈钢纤维和研磨油的装置由供应不锈钢废料的反应管（230），加热炉（240）加热反应管，自动进料单元 将废料连续地供给到反应管，冷凝单元冷凝蒸发的材料，回收壳体（270）回收冷凝材料;以及自动分级器（280）对不锈钢纤维进行分级。
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Patent Agency Ranking
公开(公告)号：KR1020030074918A
公开(公告)日：2003-09-22
申请号：KR1020020013914
申请日：2002-03-14
Applicant: 한국과학기술연구원
IPC: C23C14/06
CPC classification number: C23C8/02 , C23C10/02 , C23C12/00 , Y10T428/31678
Abstract: PURPOSE: A MoSi2-Si3N4 composite coating layer capable of improving repeated oxidation resistance and low temperature oxidation resistance of matrix and improving mechanical properties of the coating layer at high temperature and a manufacturing method of the MoSi2-Si3N4 composite coating layer are provided. CONSTITUTION: The MoSi2-Si3N4 composite coating layer is characterized in that it is coated on the surface of a matrix formed of molybdenum, molybdenum alloy, molybdenum coated niobium or molybdenum coated niobium alloy, and it has a structure in which Si3N4 grains are distributed on equiaxed MoSiO2 grain boundaries. The manufacturing method of MoSi2-Si3N4 composite coating layer coated on the surface of a matrix of molybdenum, molybdenum alloy, molybdenum coated niobium or molybdenum coated niobium alloy comprises the steps of forming Mo2N diffusion layer by vapor depositing nitrogen on the surface of the matrix; and forming a MoSi2-Si3N4 composite coating layer by vapor depositing silicon on the surface of the Mo2N diffusion layer, wherein the nitrogen vapor deposition in the step of forming Mo2N diffusion layer on the surface of the matrix is a chemical vapor deposition using nitrogen (N2) or ammonia (NH3), wherein the silicon vapor deposition in the step of forming a MoSi2-Si3N4 composite coating layer on the surface of the Mo2N diffusion layer is a chemical vapor deposition using SiCl4, SiH2Cl2, SiH3Cl or SiH4, and wherein the silicon vapor deposition in the step of forming a MoSi2-Si3N4 composite coating layer on the surface of the Mo2N diffusion layer is a pack siliconizing method using pack siliconizing powder having a composition comprising 1 to 70 wt.% of Si, 1 to 10 wt.% of NaF and 20 to 98 wt.% of Al2O3.
Abstract translation: 目的：提供能够提高基体的重复抗氧化性和低温抗氧化性，提高涂层在高温下的机械性能的MoSi2-Si3N4复合涂层以及MoSi2-Si3N4复合涂层的制造方法。 构成：MoSi2-Si3N4复合涂层的特征在于其涂覆在由钼，钼合金，涂有钼的铌或钼涂覆的铌合金形成的基体的表面上，并且其具有其中分布有Si 3 N 4晶粒的结构 等轴MoSiO2晶界。 涂覆在钼，钼合金，镀钼铌或钼涂层铌合金基体表面上的MoSi2-Si3N4复合涂层的制造方法包括通过在基体表面上气相沉积氮气形成Mo2N扩散层的步骤; 并通过在Mo2N扩散层的表面上气相沉积硅形成MoSi2-Si3N4复合涂层，其中在基体表面形成Mo2N扩散层的步骤中的氮气汽相沉积是使用氮气（N 2 ）或氨（NH 3），其中在Mo2N扩散层的表面上形成MoSi 2 -Si 3 N 4复合涂层的步骤中的硅气相沉积是使用SiCl 4，SiH 2 Cl 2，SiH 3 Cl或SiH 4的化学气相沉积，其中硅 在Mo2N扩散层的表面上形成MoSi2-Si3N4复合涂层的步骤中的气相沉积是使用包含1-70重量％的Si，1-10重量％的组合物的组合硅化粉末的包装硅化法， 的NaF和20至98重量％的Al 2 O 3。
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公开(公告)号：KR100325376B1
公开(公告)日：2002-03-06
申请号：KR1019990038145
申请日：1999-09-08
Applicant: 한국과학기술연구원
Abstract: 본발명은소결을이용하지않는다공성알루미늄재료의제조방법에관한것으로, 침상알루미늄분말또는알루미늄단섬유를원하는모양의틀에고르게넣는단계와, 유기바인더용액을상기틀에부어서상기알루미늄분말또는알루미늄단섬유를적시는단계와, 상기과잉의유기바인더용액을제거하는단계와, 유기바인더가표면에도포된상기알루미늄분말또는알루미늄단섬유에소정의압력을인가하면서건조하는단계로이루어진다. 이렇게제조된알루미늄재료는충분한취급강도를가지면서도 70% 이상의기공도를나타낼뿐 아니라, 균일한기공분포를가진다.
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公开(公告)号：KR1020010026718A
公开(公告)日：2001-04-06
申请号：KR1019990038145
申请日：1999-09-08
Applicant: 한국과학기술연구원
CPC classification number: C22C1/08 , B01D39/2031 , C22C1/04 , C22C21/00
Abstract: PURPOSE: A method for preparing porous aluminum material using an organic binder is provided which has a high handling strength, a uniform pore distribution and a high porosity of 70% or more despite of a relatively simple process, and inexpensive manufacturing cost and simple process by not using aluminum sintering method. CONSTITUTION: The method comprises the steps of uniformly putting one material selected from needle shaped aluminum powder and aluminum monofilament in a desirably shaped frame; wetting the needle shaped aluminum powder or aluminum monofilament by pouring an organic binder solution into the frame; removing the excessive organic binder solution; and drying the material as applying a certain pressure to the aluminum powder or aluminum monofilament on the surface of which an organic binder is coated.
Abstract translation: 目的：提供一种使用有机粘合剂制备多孔铝材料的方法，尽管工艺相对简单，但操作强度高，孔分布均匀，孔隙率高达70％以上，制造成本低廉，制程简单 不采用铝烧结法。 构成：该方法包括将从针状铝粉末和铝单丝中选择的一种材料均匀地放置在期望形状的框架中的步骤; 通过将有机粘合剂溶液倒入框架中来润湿针状铝粉或铝单丝; 去除过量的有机粘合剂溶液; 并且在施加有机粘合剂的表面上施加一定压力的铝粉或铝单丝上干燥材料。
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公开(公告)号：KR100561702B1
公开(公告)日：2006-03-17
申请号：KR1020040006339
申请日：2004-01-30
Applicant: 한국과학기술연구원
IPC: H01L21/205
Abstract: 본 발명은 기상증착법을 이용한 산화아연 나노로드 및 나노와이어의 제조방법에 관한 것으로, 저온에서 소자로 사용될 기판에 손쉽게 산화아연 나노로드 및 나노와이어를 성장시킴으로써 기존의 고온 공정을 대폭 개선시켜 단순한 반응으로서 손쉽게 고품질의 균일한 길이의 나노로드 및 나노와이어를 성장시킬 수 있다. 또한 성장 기판을 규소, 유리, 석영, 알루미나 등으로 다양화시킴으로써 성장된 나노로드를 다양한 목적에 맞게 사용할 수 있다.
산화아연 나노로드, 산화아연 나노와이어, 기상증착-
10.发明授权
公开(公告)号：KR100456799B1
公开(公告)日：2004-11-10
申请号：KR1020020064312
申请日：2002-10-21
Applicant: 한국과학기술연구원
IPC: B24B55/12
Abstract: PURPOSE: A method and device for recovering nonmagnetic stainless steel fiber and grinding oil from stainless steel scraps simultaneously is provided to prevent environmental pollution by using a dry heating method. CONSTITUTION: A device for recovering nonmagnetic stainless steel fiber and grinding oil from stainless steel scraps is composed of a reaction tube(230) to which the stainless steel scraps are supplied, a heating furnace(240) heating the reaction tube, an automatic feeding unit feeding the scraps to the reaction tube continuously, a cooling unit condensing evaporated materials, a recovery case(270) recovering the condensed materials, and an automatic classifier(280) classifying the stainless steel fiber.
Abstract translation: 目的：提供一种同时从不锈钢废料中回收非磁性不锈钢纤维和研磨油的方法和装置，以通过使用干加热方法防止环境污染。 一种用于从不锈钢废料中回收非磁性不锈钢纤维和研磨油的装置，包括供应不锈钢废料的反应管（230），加热反应管的加热炉（240），自动供料单元 将废料连续地供给到反应管，冷凝蒸发材料的冷却单元，回收冷凝材料的回收箱（270）和分类不锈钢纤维的自动分类器（280）。
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