Abstract
The production technology has a significant impact on physical and mechanical properties of ceramic materials. The common manufacturing processes are pressing, extrusion, or casting. Porcelain products are often formed by pressing, which increases their mechanical properties. Therefore, samples made from electroporcelain mixture for production of high-voltage insulators are studied using pressing with five different compression pressures from 70 MPa up to 110 MPa. Young’s modulus, thermal expansion, and bulk density are investigated during firing in temperature interval from 25 to 1100 °C. All measurements are carried out in the same temperature program with a heating rate of 5 °C min−1 in static air atmosphere. The influence of pressing and heating on Young’s modulus, thermal expansion, and bulk density of electroporcelain mixture is examined.
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This work was supported by the Grants UGA VII/1/2019 from Constantine the Philosopher University in Nitra and by RVO: 11000.
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Al-Shantir, O., Csáki, Š., Veverka, J. et al. The influence of compression pressure on thermal expansion, bulk density, and Young’s modulus of electroporcelain mixture up to 1100 °C. J Therm Anal Calorim 138, 2035–2042 (2019). https://doi.org/10.1007/s10973-019-08490-4
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DOI: https://doi.org/10.1007/s10973-019-08490-4