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Title: Investigation of the Main Stages in Modeling Spherical Particles of Inhomogeneous Materials
Authors: Pasternak, Viktoriya
Samchuk, Lyudmila
Ruban, Artem
Chernenko, Oleksandr
Morkovska, Nataliia
Keywords: modeling
inhomogeneous materials
computer technologies
informational technologies
powder metallurgy
technological processes
Issue Date: 2022
Publisher: Switzerland
Citation: Trans Tech Publications Ltd
Series/Report no.: 1068;
Abstract: This scientific study deals with the main issues related to the process of filling inhomogeneous materials into a rectangular hopper. The article develops an algorithm for filling particles of structurally inhomogeneous materials. A micrograph of the structure of samples of inhomogeneous materials is presented. It was found that the structure of samples of heterogeneous materials consists of three layers: external, internal and impurities of various grinding aggregates. Based on microstructural analysis, the presence of particles of various shapes and sizes was justified. On the basis of which the main initial conditions for filling the package with spherical particles were described. The basic physical and mechanical properties of structurally inhomogeneous materials were studied using the obtained results. We also constructed an approximate dependence of porosity on the particle diameter of inhomogeneous materials.
Description: One of the important problems in Ukraine is the problem of the protection of nature and environment [1, 2, 3]. It is also important to establish an optimal balance between resources and processing industries [4, 5, 6]. These problems can partly be solved by powder metallurgy [7], which allows introducing the waste-free production of goods of broad purpose, save energy and materials to reduce labor costs by reducing the number of manufacturing operations, and apply new technologies [8, 9]. These technologies allow going from observing and ascertaining facts to prediction of various properties of materials, products and processes by means of computer and information technologies that have been actively used since 90th years of the last century in the field of materials science [
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