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Mechanical properties in tensile loading of H13 re-entrant honeycomb auxetic structure manufactured by direct metal deposition

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conference contribution
posted on 2024-07-26, 14:09 authored by Sohaib Z. Khan, Syed MasoodSyed Masood, Ryan Cottam
Auxetic materials and structures have a negative Poisson's ratio. When a tensile load is applied, they become thicker in lateral direction and vice versa. This paper presents a study on the mechanical behavior of a metallic re-entrant honeycomb auxetic structure manufactured by laser assisted Direct Metal Deposition (DMD) additive manufacturing technology. Effective modulus of the auxetic structure was estimated in tensile loading. The results of finite element analysis (FEA) were validated experimentally and show good agreement. Poisson's ratio of the given structure was also estimated by FEA and validated with the analytical equation. Results show that direct metal deposition is an effective technique for producing intricate auxetic structures for various engineering applications.

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ISSN

2261-236X

Journal title

MATEC Web of Conferences : 2nd International Conference on Mechatronics and Mechanical Engineering (ICMME 2015), Singapore, 15-16 September 2015

Conference name

International Conference on Mechatronics and Materials Engineering (ICMME)

Location

Singapore

Start date

2015-09-15

End date

2015-09-16

Volume

34

Issue

7

Pagination

2 pp

Publisher

EDP Sciences

Copyright statement

Copyright © 2015 Owned by The authors, published by EDP Sciences, 2015. This an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Language

eng

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