• Title/Summary/Keyword: inorganic insulator

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A Study on Light-weight Inorganic Insulation (경량 무기 단열재에 관한 연구)

  • Shin, Hyeon-Uk;Song, Hun;Chu, Yong-Sik;Lee, Jong-Kyu
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2012.05a
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    • pp.217-218
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    • 2012
  • To prevent energy waste in buildings used heat insulator. Heat insulator materials can be classified inorganic and organic. The organic material is be toxic gas emission, when a fire occurs. And it has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials. This study focused on thermal conductivity and density of inorganic foam material for using industrial by-products materials.

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Characteristic of Insulation with Moisture Content Light-weight Inorganic Foam Ceramic Board (경량무기발포 세라믹보드 및 무기단열재의 함수율에 따른 단열특성)

  • Shin, Hyeon-Uk;Song, Hun;Chu, Yong-Sik;Lee, Jong-Kyu
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2013.11a
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    • pp.198-199
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    • 2013
  • To prevent energy waste in buildings used heat insulator. Heat insulator materials can be classified inorganic and organic. The inorganic material has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials. Technologies on energy saving and materials used in curtain walls have progressed with increase of high-rise and large buildings. However, there is little study to explain water resistance performance of the curtain walls. This study focused on evaluation of insulation of inorganic materials and performance evaluation by thermal conductivity.

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Performance Evaluation of Curtain-Wall Applying Light-weight Inorganic Foam Panel (경량 무기 발포패널을 적용한 커튼월의 성능평가)

  • Shin, Hyeon-Uk;Song, Hun;Chu, Yong-Sik;Lee, Jong-Kyu
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2012.11a
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    • pp.211-212
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    • 2012
  • To prevent energy waste in buildings used heat insulator. Heat insulator materials can be classified inorganic and organic. The organic material is due to toxic gas emission, when a fire occurs. And it has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials. Technologies on energy saving and materials used in curtain walls have progressed with increase of high-rise and large buildings. However, there is little study to explain fire resistance performance of the curtain walls. This study focused on evaluation of the physical properties of light-weight inorganic foam panel for using industrial by-products materials and performance evaluation by mock up test.

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A Study of Fire-resistance Light-weight Inorganic Foam Material Using Cullet and Fly-ash (유리분말과 플라이애시를 사용한 내화성 경량 무기발포 소재 연구)

  • Shin, Hyeon-Uk;Song, Hun;Chu, Yong-Sik;Lee, Jong-Kyu
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2011.11a
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    • pp.79-81
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    • 2011
  • To prevent energy waste in buildings used heat insulator. Heat insulator materials can be classified inorganic and organic. The organic material is due to toxic gas emission, when a fire occurs. And it has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials. This study focused on evaluation of the physical properties and fire-resistance of inorganic foam material for using industrial by-products materials for the applicability of Fire-resistance Light-weight material.

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An Improved Density and Heat insulation of Light-weight Ceramic Insulator Using Cullet and Fly-ash (밀도 및 단열성능이 개선된 경량 세라믹 단열재의 물성)

  • Shin, Hyeon-Uk;Song, Hun;Chu, Yong-Sik;Lee, Jong-Kyu
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2015.05a
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    • pp.90-91
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    • 2015
  • Heat insulator materials can be classified inorganic and organic. The organic material is due to toxic gas emission, when a fire occurs. And it has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials. In this study, cullet and fly ash were used as basic materials in order to secure a recycling technology of by-products which was mostly discarded and reclimed, and measure of physical properties of light-weight ceramic insulator.

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Manufacturing Technique of Light-weight Ceramic Insulator Using Cullet and Fly-ash (유리분말과 플라이애시를 사용한 경량 세라믹 단열재 제조)

  • Shin, Hyeon-Uk;Song, Hun;Chu, Yong-Sik;Lee, Jong-Kyu
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2014.11a
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    • pp.180-181
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    • 2014
  • Heat insulator materials can be classified inorganic and organic. The organic material is due to toxic gas emission, when a fire occurs. And it has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials. In this study, cullet and fly ash were used as basic materials in order to secure a recycling technology of by-products which was mostly discarded and reclimed, and measure of physical properties of light-weight ceramic insulator.

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Physical Properties of Inorganic Foam Material for Exterior Fire Resistance Material (무기발포체의 화재확산 방지용 외장재 적용을 위한 물성평가)

  • Shin, Hyeon-Uk;Kim, Ji-hyeon;Song, Hun;Chu, Yong-Sik;Lee, Jong-Kyu
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2016.05a
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    • pp.124-125
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    • 2016
  • This study is to development of inorganic insulation material using by-product materials. The organic material is due to toxic gas emission, when a fire occurs. And it has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials.In this study, cullet and fly ash were used as basic materials in order to secure a recycling technology of by-products which was mostly discarded and reclimed, and measure of physical properties of light-weight ceramic insulator.

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High Performance Electroluminescent Display Device with AION-TiON Insulator

  • Lim, Jung-Wook;Yun, Sun-Jin
    • 한국정보디스플레이학회:학술대회논문집
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    • 2003.07a
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    • pp.932-934
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    • 2003
  • For the insulator of inorganic thin film electroluminescent (TFEL), devices AlON combined with TiON was used and it exhibits higher luminance than AlON as well as $Al_{2}O_{3}$ insulator. Furthermore, using AlON with TiON film show better stability and higher luminance than that with $TiO_{2}$ grown by conventional atomic layer deposition (ALD) for the application of the insulator of ZnS:Mn TFEL device.

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The experimental study of $\gamma$ ray irradiation effect on electrical properties of B-kind insulator ($\gamma$선조사에 의한 B종절연재료의 전기적 특성변화에 대한 실험적 연구)

  • 천희영;성영권;이덕출
    • 전기의세계
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    • v.18 no.2
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    • pp.15-20
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    • 1969
  • The main focus of this paper is on the study of the .gamma. ray irradiation effect upon the electrical properties of a B-kind insulator which is one of the inorganic insulators. The mica is so typical of the B kind insulators as to be selected for a sample. DC, AC, and Impulse voltage is applied to the variable .gamma. ray irradiated dose samples with the constant time duration and the time variable samples with the .gamma. ray irradiated dose. The dielectric breakdown voltage and dielectric constant are measured from the samples and we get the experimental data that the dielectric breakown voltage variations are relatively large, but the dielectric constants are almost constant. The above conclusion is useful for the selection and application of the inorganic insulators under the irradiation effects, and we expect that the conclusion can apply to not only B-kind insulators but also the inorganic insulators.

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Preparation of ZrO2 and SBT Thin Films for MFIS Structure and Electrical Properties (ZrO2 완충층과 SBT박막을 이용한 MFIS 구조의 제조 및 전기적 특성)

  • Kim, Min-Cheol;Jung, Woo-Suk;Son, Young-Guk
    • Journal of the Korean Ceramic Society
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    • v.39 no.4
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    • pp.377-385
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    • 2002
  • The possibility of $ZrO_2$ thin film as insulator for Metal-Ferroelectric-Insulator-Semiconductor(MFIS) structure was investgated. $SrBi_2Ta_2O_9$ and $SrBi_2Ta_2O_9$(SBT) thin films were deposited on P-type Si(111) wafer by R. F. magnetron sputtering method. The electrical properties of MFIS gate were relatively improved by inserting the $ZrO_2$ buffer layer. The window memory increased from 0.5 to 2.2V in the applied gate voltage range of 3-9V when the thickness of SBT film increased from 160 to 220nm with 20nm thick $ZrO_2$. The maximum value of window memory is 2.2V in Pt/SBT(160nm)/$ZrO_2$(20nm)/Si structure with the optimum thickness of $ZrO_2$. These memory windows are sufficient for practical application of NDRO-FRAM operating at low voltage.