Effect of Pore Architecture of 3D Printed Open Porosity Cellular Structures on Their Resistance to Mechanical Loading: Part II – Numerical Analysis

Mehmet Aladag; Monika Bernacka; Adrian Dubicki; Izabela Zgłobicka

doi:10.2478/ama-2024-0047

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Effect of Pore Architecture of 3D Printed Open Porosity Cellular Structures on Their Resistance to Mechanical Loading: Part II – Numerical Analysis

Acta Mechanica et Automatica

Volume 18 (2024): Issue 3 (September 2024)

By: Mehmet Aladag , Monika Bernacka , Adrian Dubicki and Izabela Zgłobicka

Open Access

|Jul 2024

Abstract

The objective of this study was to investigate pore shape effect on resistance to compression of open porosity lattice structures obtained with 3D printing. To this end, three distinct pore architectures were investigated: ellipsoidal, helical and X-shape. Open porosity of these structures was 54%, 50% and 60%, respectively. Their mechanical properties were evaluated through compression tests, and their behaviours were analysed using finite element modelling (FEM). The results indicated that the pore size has a significant effect on the stiffness of cellular structures. It was observed that the helical structure exhibited superior properties among the structures tested due to homogenous stress distribution. It was also found that ellipsoidal and x-shape structures are much more sensitive to localisation of the deformation.

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Articles in this issue

DOI: https://doi.org/10.2478/ama-2024-0047 | Journal eISSN: 2300-5319 | Journal ISSN: 1898-4088

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Language: English

Page range: 427 - 433

Submitted on: Jun 15, 2023

Accepted on: Nov 17, 2023

Published on: Jul 25, 2024

Published by: Bialystok University of Technology

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

Keywords:

finite element method

Related subjects:

Engineering,

Electrical engineering,

Electronics,

Mechanical engineering,

Mechanics,

Bioengineering and biomedical engineering,

Biomechanics,

Civil engineering,

Environmental engineering

© 2024 Mehmet Aladag, Monika Bernacka, Adrian Dubicki, Izabela Zgłobicka, published by Bialystok University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Volume 18 (2024): Issue 3 (September 2024)