Influences of impurities and mineralogical structure of different kaolin minerals on thermal properties of cordierite ceramics for high-temperature thermal storage
作者: Xinbin LaoXiaoyang XuWeihui JiangJian LiangLifeng MiaoQian Wu
作者单位: 1National Engineering Research Center for Domestic and Building Ceramics, Jingdezhen Ceramic Institute, Jingdezhen 333000, PR China
2Ceramic Intellectual Property Information Center, Jingdezhen Ceramic Institute, Jingdezhen 333000, PR China)
刊名: Applied Clay Science, 2020, Vol.187
来源数据库: Elsevier Journal
DOI: 10.1016/j.clay.2020.105485
关键词: Cordierite ceramicsKaolinReaction sintering methodDensificationThermal expansion coefficientSolar thermal storage
英文摘要: Abstract(#br)Cordierite ceramics were prepared for high-temperature thermal storage by reaction sintering method using Longyan kaolin, Lincang kaolin and Xingzi kaolin, respectively. Effects of impurities and mineralogical structure of three different kaolin minerals on the phase compositions, microstructure, physical properties and thermal properties of cordierite ceramics for concentrated solar power were studied. Results indicated that illite in Longyan kaolin provided Na 2 O and K 2 O to promote the microstructure densification of cordierite ceramics and endowed samples sintered at 1280 °C with the highest bending strength of 94.4 MPa and thermal conductivity of 3.71 W·(m·K) −1 , but increasing thermal expansion coefficients to 2.61 × 10 −6 (room temperature–800 °C). Fe 2 O 3 and TiO...
全文获取路径: Elsevier  (合作)
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影响因子:2.342 (2012)

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关键词翻译
关键词翻译
  • thermal 热的
  • ceramics 陶瓷
  • properties 道具
  • structure 构造
  • different 不相同的
  • temperature 温度
  • cordierite 董青石
  • kaolin 高岭土
  • mineralogical 矿物学的
  • sintering 烧结