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Organic-Inorganic Insulating Coatings Based on Sol-Gel Technology

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Abstract

The approach for improving bending strength of temperature-resistant flexible ceramic electric insulating coatings prepared by sol-gel processing is considered. Starting suspensions, based on both tetraethoxysilane (TEOS)-derived modified sols and highly dispersed fillers such as Cr2O3, are used to deposit the coatings on metals and alloys. Some polymers and organic substances are tested as additives for improving flexibility of the ceramic coatings. The results of study of both bending strength and electrical strength of flexible hybrid organic-inorganic insulation formed on a nichrome wire are discussed. The data obtained on the chemical and phase structure of the coatings, which have been heat treated at temperatures from 95 to 1100°C, using DSC as well as X-ray scattering techniques are presented.

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Authors
  1. O.A. Shilova
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  2. S.V. Hashkovsky
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  3. E.V. Tarasyuk
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  4. V.V. Shilov
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  5. V.V. Shevchenko
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  6. Yu.P. Gomza
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  7. N.S. Klimenko
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Shilova, O., Hashkovsky, S., Tarasyuk, E. et al. Organic-Inorganic Insulating Coatings Based on Sol-Gel Technology. Journal of Sol-Gel Science and Technology 26, 1131–1135 (2003). https://doi.org/10.1023/A:1020723210877

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  • DOI: https://doi.org/10.1023/A:1020723210877

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