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en |
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Trans Tech Publications Ltd |
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citation_title |
Discrete Element Simulation of Powder Sintering for Spherical Particles |
| name |
citation_publication_date |
2020 |
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citation_online_date |
2020/07/21 |
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citation_conference_title |
Nanomaterials and Nanophysics (St Petersburg Mining University) |
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citation_journal_title |
Key Engineering Materials |
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citation_issn |
1662-9795 |
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citation_volume |
854 |
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citation_firstpage |
164 |
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171 |
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https://www.scientific.net/KEM.854.164.pdf |
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https://www.scientific.net/KEM.854.164 |
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Ceramics;Discrete Element Method;Optimal Particle Size Distribution;Refractories;Spatial Structure;Structural Topology;Structure Formation;Tight Packing |
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10.4028/www.scientific.net/KEM.854.164 |
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citation_author |
Ilia I. Beloglazov |
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Aleksei V. Boikov |
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Pavel A. Petrov |
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Ilia I. Beloglazov, Aleksei V. Boikov, Pavel A. Petrov |
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description |
This paper presents a numerical simulation of powder sintering. The numerical model presented in this paper uses the discrete element method, which suggests that the material can be modeled by a large set of discrete elements (particles) of a spherical shape that interact with each other. A methodology has been developed to determine the DEM parameters of bulk materials based on machine vision and a neural network algorithm. The approach is suitable for obtaining the exact values of the DEM parameters of the investigated bulk material by comparing the visual images of the material’s behavior at the experimental stand in reality and in the model. Simulation of sintering requires an introduction of cohesive interaction between particles representing interparticle sintering forces. Numerical sintering studies were supplemented with experimental studies that provided data for calibration and model validation. The experimental results have shown a significant capability of the designed numerical model in modeling sintering processes. Evolution of microstructure and density during sintering have been studied under the laboratory conditions. |
| name |
keywords |
Ceramics, Discrete Element Method, Optimal Particle Size Distribution, Refractories, Spatial Structure, Structural Topology, Structure Formation, Tight Packing |
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copyright |
2020 Trans Tech Publications Ltd. All Rights Reserved |
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Discrete Element Simulation of Powder Sintering for Spherical Particles | Scientific.Net |
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https://www.scientific.net/KEM.854.164 |
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