Izod impact resistance of 3D printed discontinuous fibrous composites with Bouligand structure
The Bouligand structure found in the dactyl club of the mantis shrimp is known for its impact resistance. Yet, Bouligand-inspired reinforced composites with 3D shapes and impact resistance have not yet been demonstrated. Here, direct ink writing is used to 3D print composites reinforced with glass m...
| Main Authors: | , , , , |
|---|---|
| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2023
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/172132 |
| _version_ | 1826115383267950592 |
|---|---|
| author | Guan, Lizhi Peng, Weixiang Ng, Rachel Jing Wen Fan, Jingbo Le Ferrand, Hortense |
| author2 | School of Mechanical and Aerospace Engineering |
| author_facet | School of Mechanical and Aerospace Engineering Guan, Lizhi Peng, Weixiang Ng, Rachel Jing Wen Fan, Jingbo Le Ferrand, Hortense |
| author_sort | Guan, Lizhi |
| collection | NTU |
| description | The Bouligand structure found in the dactyl club of the mantis shrimp is known for its impact resistance. Yet, Bouligand-inspired reinforced composites with 3D shapes and impact resistance have not yet been demonstrated. Here, direct ink writing is used to 3D print composites reinforced with glass microfibres assembled into Bouligand structures with controllable pitch angles. The energy absorption of the Bouligand composites under impact was found to surpass that of composites with unidirectional microfibre alignment. Also, the Bouligand composites with a pitch angle of 40˚ exhibited a maximum energy absorption of 2.4 kJ/m2, which was 140 % higher than that of the unidirectional composites. Furthermore, the characterization of the topography of the fractured surface, supplemented with numerical simulations, revealed a combination of crack twisting and crack bridging mechanisms. Flexural tests conducted on the composites with a pitch angle of 40˚ also showed maximum properties, with a flexural strength of 36.9 MPa, a stiffness of 2.26 GPa, and energy absorption of 8 kJ/m2. These findings are promising for the microstructural design of engineered composites using direct ink writing for applications in aerospace, transportation, defence, etc. |
| first_indexed | 2024-10-01T03:54:34Z |
| format | Journal Article |
| id | ntu-10356/172132 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T03:54:34Z |
| publishDate | 2023 |
| record_format | dspace |
| spelling | ntu-10356/1721322024-02-21T07:37:09Z Izod impact resistance of 3D printed discontinuous fibrous composites with Bouligand structure Guan, Lizhi Peng, Weixiang Ng, Rachel Jing Wen Fan, Jingbo Le Ferrand, Hortense School of Mechanical and Aerospace Engineering School of Materials Science and Engineering Engineering 3D Printing Materials The Bouligand structure found in the dactyl club of the mantis shrimp is known for its impact resistance. Yet, Bouligand-inspired reinforced composites with 3D shapes and impact resistance have not yet been demonstrated. Here, direct ink writing is used to 3D print composites reinforced with glass microfibres assembled into Bouligand structures with controllable pitch angles. The energy absorption of the Bouligand composites under impact was found to surpass that of composites with unidirectional microfibre alignment. Also, the Bouligand composites with a pitch angle of 40˚ exhibited a maximum energy absorption of 2.4 kJ/m2, which was 140 % higher than that of the unidirectional composites. Furthermore, the characterization of the topography of the fractured surface, supplemented with numerical simulations, revealed a combination of crack twisting and crack bridging mechanisms. Flexural tests conducted on the composites with a pitch angle of 40˚ also showed maximum properties, with a flexural strength of 36.9 MPa, a stiffness of 2.26 GPa, and energy absorption of 8 kJ/m2. These findings are promising for the microstructural design of engineered composites using direct ink writing for applications in aerospace, transportation, defence, etc. National Research Foundation (NRF) Submitted/Accepted version This research was funded by the National Research Foundation of Singapore, Singapore (Award NRFF12 2020–0002). 2023-11-24T08:10:49Z 2023-11-24T08:10:49Z 2023 Journal Article Guan, L., Peng, W., Ng, R. J. W., Fan, J. & Le Ferrand, H. (2023). Izod impact resistance of 3D printed discontinuous fibrous composites with Bouligand structure. NPG Asia Materials, 15, 60-. https://dx.doi.org/10.1038/s41427-023-00508-6 1884-4049 https://hdl.handle.net/10356/172132 10.1038/s41427-023-00508-6 15 60 en NRFF12 2020–0002 NPG Asia Materials © 2023 The Author(s). All rights reserved. This article may be downloaded for personal use only. Any other use requires prior permission of the copyright holder. The Version of Record is available online at http://doi.org/10.1038/s41427-023-00508-6. application/pdf |
| spellingShingle | Engineering 3D Printing Materials Guan, Lizhi Peng, Weixiang Ng, Rachel Jing Wen Fan, Jingbo Le Ferrand, Hortense Izod impact resistance of 3D printed discontinuous fibrous composites with Bouligand structure |
| title | Izod impact resistance of 3D printed discontinuous fibrous composites with Bouligand structure |
| title_full | Izod impact resistance of 3D printed discontinuous fibrous composites with Bouligand structure |
| title_fullStr | Izod impact resistance of 3D printed discontinuous fibrous composites with Bouligand structure |
| title_full_unstemmed | Izod impact resistance of 3D printed discontinuous fibrous composites with Bouligand structure |
| title_short | Izod impact resistance of 3D printed discontinuous fibrous composites with Bouligand structure |
| title_sort | izod impact resistance of 3d printed discontinuous fibrous composites with bouligand structure |
| topic | Engineering 3D Printing Materials |
| url | https://hdl.handle.net/10356/172132 |
| work_keys_str_mv | AT guanlizhi izodimpactresistanceof3dprinteddiscontinuousfibrouscompositeswithbouligandstructure AT pengweixiang izodimpactresistanceof3dprinteddiscontinuousfibrouscompositeswithbouligandstructure AT ngracheljingwen izodimpactresistanceof3dprinteddiscontinuousfibrouscompositeswithbouligandstructure AT fanjingbo izodimpactresistanceof3dprinteddiscontinuousfibrouscompositeswithbouligandstructure AT leferrandhortense izodimpactresistanceof3dprinteddiscontinuousfibrouscompositeswithbouligandstructure |