ゾル-ゲルプロセス法によるβスポジューメン粉体の作製

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  • WEN Shaw-Bing
    Department of Resources Engineering, National Cheng-Kung University
  • YANG Sheng
    Department of Resources Engineering, National Cheng-Kung University
  • CHEN Jen-Min
    Department of Material Science and Engineering, National Cheng-Kung University
  • WU Nang-Chung
    Department of Material Science and Engineering, National Cheng-Kung University
  • WANG Moo-Chin
    Department of Mechanical Engineering, National Kaohsiung Institute of Technology

書誌事項

タイトル別名
  • Preparation of Single Phase .BETA.-Spodumene Powders by Sol-Gel Process.
  • Preparation of Single Phase β-Spodumene Powders by Sol-Gel Process
  • Preparation of Single Phase ベーターSpodumene Powders by Sol-Gel Process

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抄録

The β-spodumene (Li2O⋅Al2O3⋅4SiO2, LAS) powders were prepared by the sol-gel process using a mixture of silica sol, alumina sol and lithium nitrate solution. Si(OC2H5)4, Al(OC4H9sec)3 and LiNO3 were used as the starting compounds. Thermogravimetric and differential thermal analyses (TG/DTA), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), wavelength-dispersive spectroscopy (WDS), transmission electron microscopy (TEM) and electron diffraction (ED) analysis were utilized to characterize the β-spodumene powders prepared by the sol-gel process. The crystallization temperature of the LAS gel powder estimated by TG/DTA was about 630°C. When the LAS dried gel was heated from 600 to 850°C, the crystallized powders of the single phase β-spodumene were obtained.

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