Sol-Gel Processing of Functional and Structural Ceramic Oxide Fibers |
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| Authors: | Glaubitt Walther Watzka Winfried Scholz Hermann Sporn Dieter |
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| Affiliation: | (1) Fraunhofer-Institut für Silicatforschung, Neunerplatz 2, D-97082 Würzburg, Germany |
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| Abstract: | Structural ceramic oxide fibers like α-Al2O3, MgAl2O4 (spinel), Y3Al5O12 (YAG) and eutectic Al2O3−Y3Al5O12 as well as the functional Pb(Zr1−xTix)O3 (PZT) fibers were successfully prepared by sol-gel processing. All precursors are based on metal oxohydroxopropionates. A comparative study of sol-gel routes leading to spinnable sols demonstrates the key role of propionic acid as an excellent agent for controlling hydrolysis and condensation reactions. |
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| Keywords: | ceramic fibers spinnability sol-gel |
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