Abstract
In this study, a UV-based Fig. 4® 3D printer has been utilized for the 4D printing of polymeric-based structures. This work focus on developing a methacrylate-based resin by incorporating modified graphene nanoplatelets to examine the thermal characteristics and shape memory behaviour under 1000 h of accelerated weathering ageing. The 3DPd components exhibited improvement in the storage modulus and glass transition temperature results after including graphene nanoplatelets and accelerated weathering ageing. The results indicated that the direct shape recovery at high temperature (90 ℃) is faster than the gradual recovery from room temperature to high temperature (90 ℃) by 230% for the flat-3D printed and 46% for circular-3D printed structures, respectively. The recovery of the flat and circular structures were greater than 93%. The developed shape memory structures exhibited an extraordinary durability of 22 cycle-life. This study assists in a deep understanding of the temperature-time-shape memory behaviour in terms of shape recovery and shape fixity, which can provide new knowledge in developing and expanding 4D printing in various engineering applications like soft robots as actuators and thermal sensors or aerospace as self-deploying structures.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the ICSDI 2024 - Proceedings of the 2nd International Conference on Sustainability |
| Subtitle of host publication | Developments and Innovations |
| Editors | Yasser Mansour, Umashankar Subramaniam, Zahiraniza Mustaffa, Abdelhakim Abdelhadi, Mohamed Ezzat, Eman Abowardah |
| Publisher | Springer Science and Business Media Deutschland GmbH |
| Pages | 188-195 |
| Number of pages | 8 |
| ISBN (Print) | 9789819787111 |
| DOIs | |
| Publication status | Published - 2025 |
| Event | 2nd International Conference on Sustainability: Developments and Innovations, ICSDI 2024 - Riyadh, Saudi Arabia Duration: 18 Feb 2024 → 22 Feb 2024 |
Publication series
| Name | Lecture Notes in Civil Engineering |
|---|---|
| Volume | 556 LNCE |
| ISSN (Print) | 2366-2557 |
| ISSN (Electronic) | 2366-2565 |
Conference
| Conference | 2nd International Conference on Sustainability: Developments and Innovations, ICSDI 2024 |
|---|---|
| Country/Territory | Saudi Arabia |
| City | Riyadh |
| Period | 18/02/24 → 22/02/24 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 9 Industry, Innovation, and Infrastructure
Keywords
- 3D printing
- Accelerated weathering
- Graphene nanoplatelets
- Shape memory polymers
- Sustainable materials
- Thermal properties
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