Impact Resistance of 3D Cellular Structures for Protective Clothing

Saadullah Channa; Danmei Sun; George K. Stylios

doi:10.1002/adem.202201336

Impact Resistance of 3D Cellular Structures for Protective Clothing

Saadullah Channa, Danmei Sun^*, George K. Stylios

^*Corresponding author for this work

School of Textiles & Design

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

21 Downloads (Pure)

Abstract

3D-printed cellular structures have attracted increased attention in recent years due to the many advantages of additive manufacturing technology. However, much of the current research is focused on the use of rigid or combined rigid and soft materials. Herein, the impact resistance of 3D cellular structures manufactured by stereolithography (SLA) additive manufacturing technique using flexible photopolymer resin is investigated. Six different types of cellular structures are designed and manufactured by a photo-polymerizing 3D printer using two different types of flexible photo-curable resin materials. The resistance capacity of these structures against impact force is examined experimentally using a customized free fall “impact drop test”, where impact forces transmitted through the impacted structures are captured using a capacitive force sensor underneath the structure, in the form of a real-time impact force versus time plot. The results indicate that the reentrant honeycomb (AU) cellular structure experienced the lowest peak impact force 2.73 and 2.64 N made from Liqcreate and Prusa flexible materials, respectively, and it has the best impact resistance performance among all developed 3D structures.

Original language	English
Article number	2201336
Journal	Advanced Engineering Materials
Volume	25
Issue number	6
Early online date	29 Nov 2022
DOIs	https://doi.org/10.1002/adem.202201336
Publication status	Published - Mar 2023

Keywords

3D printing
flexible cellular structure
impact resistance
low speed impact
stereolithography (SLA)
flexible photo-curable resin

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10.1002/adem.202201336

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This is the peer reviewed version of the following article: Channa, S., Sun, D. and Stylios, G.K. (2022), Impact Resistance of 3D Cellular Structures for Protective Clothing. Adv. Eng. Mater.. Accepted Author Manuscript, which has been published in final form at https://doi.org/10.1002/adem.202201336 This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
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title = "Impact Resistance of 3D Cellular Structures for Protective Clothing",

abstract = "3D-printed cellular structures have attracted increased attention in recent years due to the many advantages of additive manufacturing technology. However, much of the current research is focused on the use of rigid or combined rigid and soft materials. Herein, the impact resistance of 3D cellular structures manufactured by stereolithography (SLA) additive manufacturing technique using flexible photopolymer resin is investigated. Six different types of cellular structures are designed and manufactured by a photo-polymerizing 3D printer using two different types of flexible photo-curable resin materials. The resistance capacity of these structures against impact force is examined experimentally using a customized free fall “impact drop test”, where impact forces transmitted through the impacted structures are captured using a capacitive force sensor underneath the structure, in the form of a real-time impact force versus time plot. The results indicate that the reentrant honeycomb (AU) cellular structure experienced the lowest peak impact force 2.73 and 2.64 N made from Liqcreate and Prusa flexible materials, respectively, and it has the best impact resistance performance among all developed 3D structures.",

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author = "Saadullah Channa and Danmei Sun and Stylios, {George K.}",

note = "Funding Information: The first author would like to thank the National Textile University, Pakistan, and the Higher Education Commission, Pakistan for the financial support of postgraduate research award. Publisher Copyright: {\textcopyright} 2022 Wiley-VCH GmbH.",

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Impact Resistance of 3D Cellular Structures for Protective Clothing

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