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Preparation of mullite-silica-enstatite composites fibers by sol-gel method
Hongbin Tan, Xiaoling Ma
Mullite-silica-enstatite composites fibers were prepared using aluminum nitrate, magnesia and tetraethyl orthosilicate as rawmaterials, lactic acid as complexing agent. Fourier transforminfrared (FTIR) spectra,X-ray diffraction (XRD), and scanning electron microscopy (SEM) analysis were used to characterize the properties of the gel and ceramic fibers. The composites fibers were obtained by sintering gel fibers at 1200ï‚°C for 2h, with a smooth surface and dense microstructure.
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