Белорусский национальный технический университет
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The research of modified ceramics as construction material for food equipment

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Authors
Pashchenko, B.
Lytvynenko, A.
Shtefan, E.
Date
2021
Publisher
БНТУ
Bibliographic entry
Pashchenko, B. The research of modified ceramics as construction material for food equipment / B. Pashchenko, A. Lytvynenko, E. Shtefan // Мировая экономика и бизнес-администрирование малых и средних предприятий : материалы 17-го Международного научного семинара, проводимого в рамках 19-й международной научно-технической конференции «Наука - образованию, производству, экономике», 25-26 марта 2021 года, Минск, Республика Беларусь / Белорусский национальный технический университет. – Минск : Право и экономика, 2021. – С. 193-196.
Abstract
The results of research of technical ceramics in conditions of cavitation wear are presented. The ultrasonic frequencies of 44 kHz were used. The influence of structural constituents of ceramics on the rate of failure is shown. Wear features are noted. The effect of additives on the durability of materials is analyzed. The nature of ceramics wear and its similarity to the mechanism of damage of metals are demonstrated. It is proposed to use the critical destruction power for the determination of intensity of ceramics wear. On the basis of structural energetic theory, an adapted formula is proposed for comparing the intensity of destruction of ceramics of different types. It was shown that the insertion of ZrO2 into the α-Al2O3 ceramic matrix increases the resistance of ceramics. The nature of dependencies shows a similar pattern of wear of the specimens. The increasing of the content of α-Al2O3 in the structure of the material and the addition of the small dispersed ZrO2 increases the viscosity of ceramics. The results of calculations are correlated with the experimental data. In addition, the proposed approach makes it possible to use for known materials the known dependences of the evaluation of the wear resistance of metals.
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https://rep.bntu.by/handle/data/89659
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