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J. Kruis, J. Vorel, A. Jira, "Lattice Discrete Particle Model for Beta-Titanium Alloys", in P. Iványi, J. Kruis, B.H.V. Topping, (Editors), "Proceedings of the Eighteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 10, Paper 3.1, 2025,

Keywords: lattice discrete particle model, 3D-printed structures, Ti25Nb4Ta8Sn alloy, volumetric-deviatoric split, isotropic damage, explicit integration methods.

Abstract

This paper presents a novel numerical model based on the lattice discrete particle model to simulate the behaviour of 3D-printed alloy structures. The overall research focuses on improving implants' mechanical performance and biocompatibility, specifically addressing issues like stress shielding, bone mass loss, and implant loosening. By modelling materials at the particle scale, the lattice discrete particle model effectively captures the mesostructure of 3D-printed metals. The contribution develops two plasticity models to account for the material properties of titanium alloys. The effects of inherent porosity due to 3D printing are incorporated into the model, revealing significant performance impacts, particularly for structures close to the printing limit.

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Front Page Browse CCC CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Conferences ISSN 2753-3239 CCC: 10 PROCEEDINGS OF THE EIGHTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: P. Iványi, J. Kruis and B.H.V. Topping Paper 3.1 Lattice Discrete Particle Model for Beta-Titanium Alloys J. Kruis, J. Vorel and A. Jira Department of Mechanics, Faculty of Civil Engineering, Czech Technical University in Prague, Czech Republic Full Bibliographic Reference for this paper J. Kruis, J. Vorel, A. Jira, "Lattice Discrete Particle Model for Beta-Titanium Alloys", in P. Iványi, J. Kruis, B.H.V. Topping, (Editors), "Proceedings of the Eighteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 10, Paper 3.1, 2025, Keywords: lattice discrete particle model, 3D-printed structures, Ti25Nb4Ta8Sn alloy, volumetric-deviatoric split, isotropic damage, explicit integration methods. Abstract This paper presents a novel numerical model based on the lattice discrete particle model to simulate the behaviour of 3D-printed alloy structures. The overall research focuses on improving implants' mechanical performance and biocompatibility, specifically addressing issues like stress shielding, bone mass loss, and implant loosening. By modelling materials at the particle scale, the lattice discrete particle model effectively captures the mesostructure of 3D-printed metals. The contribution develops two plasticity models to account for the material properties of titanium alloys. The effects of inherent porosity due to 3D printing are incorporated into the model, revealing significant performance impacts, particularly for structures close to the printing limit. download the full-text of this paper (PDF, 3619 Kb) go to the previous paper go to the next paper return to the table of contents return to the volume description
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