Preparation of continuous alumina gel fibres by aqueous sol–gel process
Source abstract
Abstract
Continuous alumina gel fibres were prepared by sol–gel method. The spinning sol was prepared by mixing aluminum nitrate, lactic acid and polyvinylpyrrolidone with a mass ratio of 10:3:1· 5. Thermogravimetry–differential scanning calorimetry (TG–DSC), Fourier transform infrared (FTIR) spectra, X-ray diffraction (XRD), and scanning electron microscopy (SEM) were used to characterize the properties of the gel and ceramic fibres. The Al2O3 fibres with a uniform diameter can be obtained by sintering gel fibres at 1200 °C.
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Research context
OpenAlex topics: Aerogels and thermal insulation · Advanced ceramic materials synthesis · Mesoporous Materials and Catalysis
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