MODERNIZATION OF THE METHODOLOGY AND INSTALLATION OF TRIAXIAL COMPRESSION FOR THE STUDY OF RHEOLOGICAL PROPERTIES OF DISPERSED MEDIA

Saule Sh. Kazhikenova; Sandugash Akhmetova; Denis Belomestny

doi:10.31489/2026N3/104-115

Authors

Saule Sh. Kazhikenova Doctor of Technical Sciences, Higher Mathematics Department, Abylkas Saginov Karaganda Technical University, Nazarbayev str., 56, 100000, Karaganda, Kazakhstan
Sandugash Akhmetova Candidate of Technical Sciences, Associate Professor of the Department of Higher Mathematics at the Karaganda Technical University named after A. Saginov, Kazakhstan
Denis Belomestny Ph.D., Professor, University of Duisburg-Essen, Forsthausweg 247057 Duisburg, Germany

DOI:

https://doi.org/10.31489/2026N3/104-115

Keywords:

dispersed materials, rheology, stabilometer, triaxial compression, deformation modulus, molding mixture

Abstract

The article discusses the determination of rheological and deformation characteristics of dispersed materials, specifically sand-clay molding mixtures. The authors present the design of a triaxial compression apparatus developed on the basis of a standard stabilometer, incorporating the principles of similarity theory. The study reveals that the presence of residual plastic deformations causes nonlinearity in the material layer formation process. Particular attention is paid to the analysis of the deformation modulus and its dependence on medium density, particle diameter and the internal friction coefficient. The results obtained allow for a more accurate prediction of the behavior of cohesive and non-cohesive bulk media under load, which is essential for optimizing technological processes in foundry production and related industries.

Author's detail

Saule Sh. Kazhikenova, Doctor of Technical Sciences, Higher Mathematics Department, Abylkas Saginov Karaganda Technical University, Nazarbayev str., 56, 100000, Karaganda, Kazakhstan

Kazhikenova, Saule Sh. - Doctor of Technical Sciences, Higher Mathematics Department, Abylkas Saginov Karaganda Technical University, Nazarbayev str., 56, 100000, Karaganda, Kazakhstan. sauleshka555@mail.ru https://orcid.org/0000-0002-6937-1577

Sandugash Akhmetova, Candidate of Technical Sciences, Associate Professor of the Department of Higher Mathematics at the Karaganda Technical University named after A. Saginov, Kazakhstan

Аkhmetova, Sandugash - Candidate of Technical Sciences, Associate Professor of the Department of Higher Mathematics at the Karaganda Technical University named after A. Saginov, Kazakhstan, https://orcid.org/0009-0003-7848-4463; s.akhmetova@ktu.edu.kz

Denis Belomestny, Ph.D., Professor, University of Duisburg-Essen, Forsthausweg 247057 Duisburg, Germany

Belomestny, Denis – Ph.D., Professor, University of Duisburg-Essen, Forsthausweg 247057 Duisburg, Germany, Scopus ID: 15069577900; https://orcid.org/0000-0002-9482-6430, denis.belomestny@uni-due.de

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MODERNIZATION OF THE METHODOLOGY AND INSTALLATION OF TRIAXIAL COMPRESSION FOR THE STUDY OF RHEOLOGICAL PROPERTIES OF DISPERSED MEDIA