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Production of alumina borosilicate ceramic nanofibers by using electrospinning technique and its characterization
Date
2006
Author
Tanrıverdi, Senem
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Today, ceramic, polymer, and composite nanofibers are among the most charming materials for nanotechnology. Because of their small characteristic dimension, high surface area, and microstructural features, they provide unique mechanical, optical, electronic, magnetic, and chemical properties for an extensive variety of materials applications. Electrospinning provides an effective way of the nanofiber production in a nanometer scale. This technique utilizes a high voltage DC to create a strong electric field and a certain charge density in a viscous solution contained in a pipette. As a result, fibers with diameters ranging from the micrometer to nanometer are formed from this charged solution. This study deals with, the fabrication of alumina borosilicate ceramic nanofibers using electrospinning technique. Alumina borosilicates contain important components having intriguing characteristics for many applications and have been widely studied with different compositions. In this study, alumina borosilicate/PVA solution was prepared using the conventional sol-gel method. Polyvinyl alcohol (PVA) was added into this solution to increase the viscosity for electrospinning. After the alumina borosilicate/PVA solution was electrospun into fibers, high temperature sintering was carried to obtain ceramic alumina borosilicate fibers. The products were characterized by scanning electron microscopy (SEM), X-ray diffractometry (XRD), Fourier transform-infrared spectroscopy (FT-IR), and thermogravimetric/differential thermal analysis (TG-DTA) techniques.
Subject Keywords
Inorganic Chemistry.
URI
hhttp://etd.lib.metu.edu.tr/upload/12607378/index.pdf
https://hdl.handle.net/11511/16178
Collections
Graduate School of Natural and Applied Sciences, Thesis