简介：Longaluminafiberswith60cminlengthwerepreparedbysol-gelmethod.Thespinningsolwasobtainedbymixingaluminumnitrate,oxalicacid,andpolyvinylpyrrolidonewithamassratioof10∶3∶2.Fouriertransforminfrared(FTIR)spectra,X-raydiffraction(XRD),andscanningelectronmicroscopy(SEM)wereusedtocharacterizethepropertiesofthegelandceramicfibers.Thefiberswithuniformdiameterandsmoothsurfacewereobtainedbysinteringat1200℃for1h,andtheirmainphasewasindentifiedasα-Al2O3.
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