Calculation of the thermoplastic beryllium oxide slurry molding with ultrasonic activation
Zhapbasbayev U.K. Ramazanova G.I. Terekhov V.I. Sattinova Z.К.
2024Institute of Metallurgy and Ore Beneficiation JSC
Kompleksnoe Ispolzovanie Mineralnogo Syra
2024#331Issue 479 - 89 pp.
The article presents the results of assessing thermal shrinkage during the formation of beryllium oxide ceramics using the hot casting method. The thermoplastic slurry is a composite system with a dispersion medium (binder) that has a very low thermal conductivity compared to the dispersed phase (beryllium oxide). Ultrasonic treatment reduces the viscosity of the slurry and improves its casting properties. The formation of beryllium oxide slurry is carried out without disrupting the integrity of the system and depends on the casting speed and temperature factors. The combined influence of these factors determines the casting properties of the slurry. Cooling-solidification of the slurry in the casting mold occurs in stages in the liquid, amorphous states with a phase transition, and in the viscoplastic state of the casting. The cooling rate of the casting at all stages depends on the cavity design, the rheological properties of the slurry, and the casting process parameters. It is important to maintain the integrity of the casting due to temperature shrinkage.
beryllium oxide , casting properties , formation , shrinkage , thermoplastic slurry , ultrasonic treatment
Text of the article Перейти на текст статьи
Head of the Research and Production Laboratory Modeling in Energy, Satbayev University, 22 Satpaev Street, Almaty, 050013, Kazakhstan
Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, 1 Academician Lavrentiev av, Novosibirsk, 630090, Kazakhstan
L.N. Gumilev Eurasian National University, 2 Satpayev str, Astana, 100000, Kazakhstan
Head of the Research and Production Laboratory Modeling in Energy
Kutateladze Institute of Thermophysics
L.N. Gumilev Eurasian National University
10 лет помогаем публиковать статьи Международный издатель
Книга Публикация научной статьи Волощук 2026 Book Publication of a scientific article 2026