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    • 1. 发明授权
    • MoSi₂―Si₃N₄복합피복층 및 그 제조방법
    • MoSi 2 -Si 3 N 4等组成的混合物
    • KR100454715B1
    • 2004-11-05
    • KR1020020013914
    • 2002-03-14
    • 한국과학기술연구원
    • 김재수김긍호변지영윤진국김두용이종권신종철노대호
    • C23C14/06
    • C23C8/02C23C10/02C23C12/00Y10T428/31678
    • 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.
    • 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。
    • 2. 发明公开
    • MoSi₂―Si₃N₄복합피복층 및 그 제조방법
    • MOSI2-SI3N4复合涂层及其制造方法
    • KR1020030074918A
    • 2003-09-22
    • KR1020020013914
    • 2002-03-14
    • 한국과학기술연구원
    • 김재수김긍호변지영윤진국김두용이종권신종철노대호
    • C23C14/06
    • C23C8/02C23C10/02C23C12/00Y10T428/31678
    • 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.
    • 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。
    • 3. 发明授权
    • 열차폐 코팅재료 및 그 제조방법, 그리고 이 코팅재료를이용한 열차폐 코팅층의 형성방법
    • 열차폐팅팅팅및및및법를를를를를를를를법법법법법법법법법
    • KR100390388B1
    • 2003-07-07
    • KR1020000044355
    • 2000-07-31
    • 한국과학기술연구원
    • 박종구도정만김긍호
    • C09D5/18
    • PURPOSE: Provided is a thermal barrier coating material for a thermal barrier coating layer, which stabilizes the fine structure of the coating layer at high temperature and prevents the reduction of thermal barrier property, therefore, the lifetime of the coating layer is increased. CONSTITUTION: The thermal barrier coating material is produced by mixing zirconia(ZrO2)-based powder containing 5-15wt% of Y2O3 with 1-10wt% of Al2O3 powder uniformly and then molding the mixture powder and performing a cooling-hydrostatic pressure treatment. And the thermal barrier coating layer is formed by a process comprising the steps of: polishing and washing the surface of a ultra heat-resistant alloy; coating the surface of the alloy with a heat-resistant alloy comprising Ni, 22wt% of Cr, 10wt% of Al, 1wt% of Y by an electronic beam coating method; and coating the coating layer with the thermal barrier coating material by the electronic beam coating method.
    • 目的:提供一种用于热障涂层的热障涂层材料,其在高温下稳定涂层的精细结构并防止热障性能的降低,因此涂层的寿命增加。 组成:热障涂层材料是通过将含有5-15wt%Y2O3的氧化锆(ZrO2)基粉末与1-10wt%Al2O3粉末均匀混合,然后模塑混合物粉末并进行冷却 - 流体静压处理而制备的。 并且热障涂层由包括以下步骤的方法形成:抛光和清洗超耐热合金的表面; 用含有Ni,22wt%Cr,10wt%Al,1wt%Y的耐热合金通过电子束涂覆法涂覆合金表面; 并通过电子束涂覆方法用热障涂层材料涂覆涂层。
    • 9. 发明授权
    • TaSi₂-SiC 나노 복합 피복층의 제조방법
    • TASI2-SIC纳米复合涂料的制备方法
    • KR100822302B1
    • 2008-04-16
    • KR1020060099989
    • 2006-10-13
    • 한국과학기술연구원
    • 이경환윤진국홍경태김긍호도정만손근형김한성이종권
    • C23C14/06B82Y40/00
    • 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.
    • 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。
    • 10. 发明公开
    • 고체 산화물 연료전지의 제조 방법
    • 固体氧化物燃料电池的微尺寸电极及其制造方法
    • KR1020060111294A
    • 2006-10-27
    • KR1020050033755
    • 2005-04-22
    • 한국과학기술연구원
    • 김주선이해원이종호김긍호김상우김형철최선희
    • H01M4/88H01M4/86H01M8/02
    • H01M4/881H01M4/8621H01M4/8828H01M4/8885H01M8/1286H01M2008/1293Y02P70/56
    • Provided are micro-sized electrodes for solid oxide fuel cells and a manufacturing method thereof, which simply fabricates electrodes with sub-micron width in high precision without using an etching process or a machining process. The electrodes of solid oxide fuel cells are manufactured by the steps of: preparing a supporter(10) including an electrolytic layer(12); forming a first photoresist mold for a first electrode pattern on the upside of the supporter(10); preparing a first paste including a first electrode powder; coating the supporter(10) with the first paste to form a first electrode pattern(30a) using the first photoresist mold; removing the first photoresist mold; forming a second photoresist mold for a second electrode pattern on the upside of the supporter(10); preparing a second paste including a second electrode powder; coating the supporter(10) with the second paste to form a second electrode pattern(30b) using the second photoresist mold; and removing the second photoresist mold.
    • 提供了用于固体氧化物燃料电池的微尺寸电极及其制造方法,其不用蚀刻工艺或机械加工即可以高精度地制造具有亚微米宽度的电极。 固体氧化物燃料电池的电极通过以下步骤制造:制备包括电解质层(12)的支撑体(10); 在所述支撑件(10)的上侧上形成用于第一电极图案的第一光致抗蚀剂模具; 制备包括第一电极粉末的第一浆料; 用所述第一浆料涂覆所述支持体(10)以使用所述第一光致抗蚀剂模具形成第一电极图案(30a); 去除第一光致抗蚀剂模具; 在支撑件(10)的上侧上形成用于第二电极图案的第二光致抗蚀剂模具; 制备包括第二电极粉末的第二浆料; 用所述第二浆料涂覆所述支持体(10)以形成使用所述第二光致抗蚀剂模具的第二电极图案(30b) 并移除第二光致抗蚀剂模具。