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    판상세라믹 발열체
    11.
    发明授权
    판상세라믹 발열체 失效
    片状陶瓷加热元件

    公开(公告)号：KR1019960016071B1

    公开(公告)日：1996-11-27

    申请号：KR1019930020438

    申请日：1993-10-04

    Applicant: 한국과학기술연구원

    Inventor： 이준근 ,  김영욱 ,  박태희 ,  박상환 ,  조항선 ,  임동기

    IPC: C04B35/584 ,  C04B35/495

    Abstract: The ceramic heat building has a resistor of titanium nitride base comprising 1-30 wt.% a silicon nitride, 1-15 wt.% an erbium oxide(Er2O3) or ytterbium oxide(Yb2O3), 1-10 wt.% a silicon oxide(SiO2) and a residual titanium nitride, an insulating substrate of silicon nitride base comprising 1-18 wt.% a sintering aid agent, 1-20 wt.% a silicified molybdenum or tungsten carbide as a controlling agent of the thermo expansion coefficient, and a residual silicon nitride, and the thermo expansion coefficient being changed gradually from the surrounding of said resistor to the surface. Thereby, the plate-like ceramic heat building shows a high strength at high temperature and excellent thermo shock resistance.

    Abstract translation: 陶瓷制热体具有包含1-30重量％的氮化硅，1-15重量％的氧化铒（Er2O3）或氧化镱（Yb2O3）的氮化钛基体的电阻，1-10重量％的氧化硅 （SiO 2）和残留的氮化钛，包含1-18重量％的烧结助剂，1-20重量％的作为热膨胀系数的控制剂的硅化钼或碳化钨的氮化硅基体的绝缘基板， 和残留的氮化硅，并且热膨胀系数从所述电阻器的周围逐渐变化到表面。 由此，板状陶瓷发热体在高温下显示出高强度，耐热冲击性优异。

    무시멘트 고강도 부정형 내화물
    15.
    发明公开
    무시멘트 고강도 부정형 내화물 有权
    无水泥高强度耐火耐火材料

    公开(公告)号：KR1020130112979A

    公开(公告)日：2013-10-15

    申请号：KR1020120033223

    申请日：2012-03-30

    Applicant: 한국과학기술연구원

    Inventor： 임경란 ,  박상환 ,  김창삼

    IPC: C04B35/10 ,  C04B35/565 ,  C04B35/657 ,  C04B35/624

    CPC classification number: C04B35/565 ,  C04B35/1015 ,  C04B35/103 ,  C04B35/105 ,  C04B35/106 ,  C04B35/6263 ,  C04B35/6303 ,  C04B35/63424 ,  C04B35/63488 ,  C04B35/6365 ,  C04B35/66 ,  C04B2235/3206 ,  C04B2235/3215 ,  C04B2235/3217 ,  C04B2235/3218 ,  C04B2235/3222 ,  C04B2235/3241 ,  C04B2235/3244 ,  C04B2235/3826 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5472 ,  C04B2235/61 ,  C04B2235/6562 ,  C04B2235/6565 ,  C04B2235/77 ,  C04B2235/96

    Abstract: PURPOSE: A no cement high intensity amorphous refractory material is provided to have the task mobility, the excellent drying and sintering intensity by including a flameproofing agent mixture, an alumina sol, and a barium aluminate, and a dispersing agent. CONSTITUTION: A no cement high intensity amorphous refractory material comprises a flameproofing agent mixture which includes Al2O3 and SiC, an alumina sol, a barium aluminate, and the dispersing agent. The alumina sol is manufactured by hydrolyzing and polymerizing of a boehmite slurry. 0.1-10 parts by weight of the alumina sol is included based on amount of alumina about 100.0 of the flameproofing agent mixture. The barium aluminate is the barium aluminate or a precursor thereof which is synthesized with solid phase method by having barium carbonate and alumina as main component. 0.1-10 parts by weight of the barium aluminate is included base on 100.0 of the flameproofing agent mixture. The dispersing agent is selected from polycarboxylate ether group and polyacryl group. 0.02-1 parts by weight of the dispersing agent is included base on 100.0 of the flameproofing agent mixture.

    Abstract translation: 目的：通过包括防火剂混合物，氧化铝溶胶和铝酸钡以及分散剂，提供无水泥高强度无定形耐火材料以具有任务流动性，优异的干燥和烧结强度。 构成：无水泥高强度无定形耐火材料包括包括Al 2 O 3和SiC的防火剂混合物，氧化铝溶胶，铝酸钡和分散剂。 氧化铝溶胶是通过水解和聚合勃姆石浆而制成的。 基于约100.0的防火剂混合物的氧化铝量，包括0.1-10重量份的氧化铝溶胶。 铝酸钡是通过以碳酸钡和氧化铝为主要成分，以固相法合成的铝酸钡或其前体。 在100.0的防火剂混合物中包含0.1-10重量份的铝酸钡。 分散剂选自聚羧酸酯醚基和聚丙烯酸酯基。 将0.02-1份分散剂包括在100.0的防火剂混合物中。

    탄화규소 소결체 제조용 세라믹 조성물, 소결체 및 그제조방법
    16.
    发明授权
    탄화규소 소결체 제조용 세라믹 조성물, 소결체 및 그제조방법 有权
    烧结碳化硅体，烧结体及其制备方法的陶瓷组合物

    公开(公告)号：KR100917038B1

    公开(公告)日：2009-09-10

    申请号：KR1020080035753

    申请日：2008-04-17

    Applicant: 한국과학기술연구원

    Inventor： 박상환 ,  김영욱 ,  노명훈

    IPC: C04B35/56 ,  C04B35/565 ,  C04B35/581 ,  B82Y30/00

    Abstract: A ceramic composition for sintered silicon carbide body and a manufacturing method thereof are provided to prevent the deterioration of conductivity while employing high content of sintering additive added to increase the density of the sintered body. A ceramic composition for sintered silicon carbide body is composed of 78-98.9wt% of beta -SiC submicron powder with average particle size of 0.1 mum ~ 1.0 mum, 1-20wt% of beta -SiC nanopowder with average particle size of 10 nm ~ 100 nm and 0.1-2wt% of sintering additive containing one or more metal oxides selected from the group consisting of aluminum nitride, CeO2, Nd2O3, Sm2O3, Eu2O3, Gd2O3, Dy2O3, Ho2O3, Er2O3, Yb2O3, Lu2O3, Sc2O3, Y2O3 and La2O3. The sintering additive contains 0.05-1wt% of aluminum nitride and 0.05-1wt% of metal oxide on a total weight basis of the ceramic composition.

    Abstract translation: 提供一种用于烧结碳化硅体的陶瓷组合物及其制造方法，以防止导电性的劣化，同时加入高含量的烧结助剂以增加烧结体的密度。 用于烧结碳化硅体的陶瓷组合物由平均粒径为0.1μm〜1.0μm的78-98.9wt％的β-SiC亚微米粉末，平均粒径为10nm〜 100nm和0.1-2wt％的含有一种或多种选自氮化铝，CeO 2，Nd 2 O 3，Sm 2 O 3，Eu 2 O 3，Gd 2 O 3，Dy 2 O 3，Ho 2 O 3，Er 2 O 3，Yb 2 O 3，Lu 2 O 3，Sc 2 O 3，Y 2 O 3和La 2 O 3的金属氧化物的烧结添加剂 。 烧结添加剂在陶瓷组合物的总重量的基础上含有0.05-1重量％的氮化铝和0.05-1重量％的金属氧化物。

    기계가공성을 갖는 Ｃｒ₂ＡｌＣ 소결체의 저가 제조방법
    17.
    发明授权
    기계가공성을 갖는 Ｃｒ₂ＡｌＣ 소결체의 저가 제조방법 有权
    具有超越机械性能的CR2ALC烧结材料的经济制造方法

    公开(公告)号：KR100882923B1

    公开(公告)日：2009-02-10

    申请号：KR1020070126962

    申请日：2007-12-07

    Applicant: 한국과학기술연구원

    Inventor： 박상환 ,  이동윤 ,  한재호 ,  윤성호 ,  조경선

    IPC: C04B35/56 ,  C04B35/10 ,  C04B35/645

    CPC classification number: C04B35/5607 ,  C04B35/645 ,  C04B2235/3241 ,  C04B2235/3839 ,  C04B2235/402 ,  C04B2235/424 ,  C04B2235/425 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/6562 ,  C04B2235/6581 ,  C04B2235/77

    Abstract: A Cr2AlC sintered body manufacturing method is provided to have excellent heat property, excellent mechanical property, excellent electrical property and excellent machinability property, to raise price competitive power and to be applied to industry part of the Cr2AlC sintered body. A Cr2AlC sintered body manufacturing method comprises steps of: deoxidizing compound powder of the carbon source material powder and Cr2O3 powder at an inert atmosphere or a vacuum atmosphere and at 1000~1500 °C for 30 minutes to 10 hours and manufacturing Cr carbide powder; pressurizing and sintering the compound powder of the manufactured Cr carbide powder and a Al powder at 900~1400 °C and 15~40MPa for 30 minutes to 10 hours under vacuum atmosphere and manufacturing the Cr2AlC sintered body.

    Abstract translation: Cr2AlC烧结体的制造方法具有优异的热性能，优异的机械性能，优异的电性能和优异的机械加工性能，以提高价格竞争力并适用于Cr2AlC烧结体的工业部分。 Cr2AlC烧结体的制造方法包括以下步骤：在惰性气氛或真空气氛下，在1000〜1500℃下将碳源材料粉末和Cr 2 O 3粉末的化合物粉末脱氧30分钟〜10小时，制造碳化铬粉末; 在真空气氛下，将制造的碳化铬粉末的复合粉末和900〜1400℃，15〜40MPa的Al粉末加压烧结30分钟〜10小时，制作Cr2AlC烧结体。

    마이크로파 건조법을 이용한 수첨 탈황 촉매 제조방법
    18.
    发明公开
    마이크로파 건조법을 이용한 수첨 탈황 촉매 제조방법 有权
    使用微波干燥制造氢化催化剂的方法

    公开(公告)号：KR1020040061866A

    公开(公告)日：2004-07-07

    申请号：KR1020020088167

    申请日：2002-12-31

    Applicant: 에쓰대시오일 주식회사 ,  한국과학기술연구원

    Inventor： 박상환 ,  장희석 ,  남경돈 ,  박태진 ,  이경순 ,  송찬주 ,  백상철

    IPC: B01J37/34

    CPC classification number: B01J37/346 ,  B01J37/0009

    Abstract: PURPOSE: A method for manufacturing hydrodesulfurization catalyst using microwave drying is provided to reduce time and cost required in the drying process by preparing a mixed slurry in which cobalt and molybdenum salts are supported onto pseudoboehmite gel and drying the mixed slurry by microwave drying. CONSTITUTION: In a method for preparing a pseudoboehmite gel plastic paste for extrusion molding, the method comprises a step (b) of positioning the drying container in a microwave oven and drying the pseudoboehmite mixed slurry using microwave after putting a pseudoboehmite mixed slurry onto which conventionally prepared active metal constituent is supported into a drying container; and a step (b) of preparing the pseudoboehmite gel plastic paste for extrusion molding using a pseudoboehmite mixed paste partially dried using microwave of the step (a) or a pseudoboehmite mixed paste to which ceramic plastic body manufacturing plasticizer including methylcellulose is added so that the ceramic plastic body manufacturing plasticizer is mixed with the pseudoboehmite mixed paste. The method for manufacturing hydrodesulfurization catalyst using microwave drying comprises a step (a) of manufacturing a hydrodesulfurization catalyst compression molded body using the pseudoboehmite gel plastic paste for extrusion molding; a step (b) of positioning the drying container in a microwave oven and drying the compression molded body using microwave after putting the compression molded body of the step (a) into a drying container; and a step (c) of manufacturing the hydrodesulfurization catalyst by firing the hydrodesulfurization catalyst compression molded body dried in the step (b).

    Abstract translation: 目的：提供一种使用微波干燥制备加氢脱硫催化剂的方法，通过制备其中钴和钼盐负载在假勃姆石凝胶上并通过微波干燥干燥混合浆料的混合浆料，减少干燥过程中所需的时间和成本。 构成：在制备用于挤出成型的假勃姆石凝胶塑料糊剂的方法中，该方法包括步骤（b）将干燥容器定位在微波炉中，并将假勃姆石混合浆料放入常规方法之后，使用微波干燥假勃姆石混合浆料 制备的活性金属成分负载在干燥容器中; 以及（b）制备使用步骤（a）的微波部分干燥的假勃姆石混合浆料或使用包含甲基纤维素的增塑剂的陶瓷塑料体的假勃姆石混合糊的假勃姆石混合糊料进行挤出成型的假勃姆石凝胶状塑料糊剂， 陶瓷塑料制造增塑剂与假勃姆石混合糊混合。 使用微波干燥制造加氢脱硫催化剂的方法包括使用用于挤出成型的假勃姆石凝胶塑料浆料制造加氢脱硫催化剂压缩成型体的步骤（a） 步骤（b）将干燥容器定位在微波炉中，并将步骤（a）的压缩成型体放入干燥容器中之后使用微波干燥压缩成形体; 以及通过在步骤（b）中焙烧加热脱硫催化剂压缩成型体而干燥来制造加氢脱硫催化剂的步骤（c）。

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