Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
HEAT INSULATOR AND MANUFACTURING METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide a heat insulator having improved heat resistance at high temperature over 1150°C and a manufacturing method therefor.SOLUTION: There is provided a heat insulator by mixing raw materials containing alumina particles having an average particle diameter of 100 nm or less of 52 to 93 wt.%, one or more crystal transition inhibitors selected from silica particle, quartzite, talc, mullite and silica fume of 1 to 45 wt.%, one or more kinds of radiation scattering agent selected from silicon carbide, zirconia, titania, iron oxide, chromium oxide, zinc sulfide and barium titanate of 0 to 40 wt.% and a reinforced fiber of 1 to 20 wt.% to prepare a mixture, pressing molding the mixture to prepare pressing molded body and firing the pressing molded body. There is provided a heat insulator having heating linear shrinkage when heated for 24 hours at 1200°C of 5% or less.SELECTED DRAWING: None
【課題】１１５０℃起える高温での耐熱性が向上した断熱材及びその製造方法の提供。【解決手段】平均粒径１００ｎｍ以下のアルミナ粒子５２〜９３重量％と、シリカ粒子、珪石、タルク、ムライト及びシリカフュームから選択される１以上の結晶転移抑制材１〜４５重量％と、炭化珪素、ジルコニア、チタニア、酸化鉄、酸化クロム、硫化亜鉛及びチタン酸バリウムから選択される１種以上である輻射散乱材０〜４０重量％と、補強繊維１〜２０重量％と、を含む原料を混合して混合物とし、該混合物を加圧成形して加圧成形体とし、該加圧成形体を焼結した断熱材。１２００℃で２４時間加熱したとき加熱線収縮率が５％以である断熱材。【選択図】なし
HEAT INSULATOR AND MANUFACTURING METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide a heat insulator having improved heat resistance at high temperature over 1150°C and a manufacturing method therefor.SOLUTION: There is provided a heat insulator by mixing raw materials containing alumina particles having an average particle diameter of 100 nm or less of 52 to 93 wt.%, one or more crystal transition inhibitors selected from silica particle, quartzite, talc, mullite and silica fume of 1 to 45 wt.%, one or more kinds of radiation scattering agent selected from silicon carbide, zirconia, titania, iron oxide, chromium oxide, zinc sulfide and barium titanate of 0 to 40 wt.% and a reinforced fiber of 1 to 20 wt.% to prepare a mixture, pressing molding the mixture to prepare pressing molded body and firing the pressing molded body. There is provided a heat insulator having heating linear shrinkage when heated for 24 hours at 1200°C of 5% or less.SELECTED DRAWING: None
【課題】１１５０℃起える高温での耐熱性が向上した断熱材及びその製造方法の提供。【解決手段】平均粒径１００ｎｍ以下のアルミナ粒子５２〜９３重量％と、シリカ粒子、珪石、タルク、ムライト及びシリカフュームから選択される１以上の結晶転移抑制材１〜４５重量％と、炭化珪素、ジルコニア、チタニア、酸化鉄、酸化クロム、硫化亜鉛及びチタン酸バリウムから選択される１種以上である輻射散乱材０〜４０重量％と、補強繊維１〜２０重量％と、を含む原料を混合して混合物とし、該混合物を加圧成形して加圧成形体とし、該加圧成形体を焼結した断熱材。１２００℃で２４時間加熱したとき加熱線収縮率が５％以である断熱材。【選択図】なし
HEAT INSULATOR AND MANUFACTURING METHOD THEREFOR
断熱材及びその製造方法
SAKAKURA MASATOSHI (Autor:in) / ONUKI HISAFUMI (Autor:in) / FUKUSHIRO SOJIRO (Autor:in)
24.03.2016
Patent
Elektronische Ressource
Japanisch
IPC:
C04B
Kalk
,
LIME
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