Drop-on-demand 3D printing of programable magnetic composites for soft robotics
Soft robotics have become increasingly popular as a versatile alternative to traditional robotics. Magnetic composite materials, which respond to external magnetic fields, have attracted significant interest in this field due to their programmable two-way actuation and shape-morphing capabilities. A...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-12-01
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| Series: | Additive Manufacturing Letters |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2772369024000586 |
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| author | Anil Bastola Luke Parry Robyn Worsley Nisar Ahmed Edward Lester Richard Hague Christopher Tuck |
| author_facet | Anil Bastola Luke Parry Robyn Worsley Nisar Ahmed Edward Lester Richard Hague Christopher Tuck |
| author_sort | Anil Bastola |
| collection | DOAJ |
| description | Soft robotics have become increasingly popular as a versatile alternative to traditional robotics. Magnetic composite materials, which respond to external magnetic fields, have attracted significant interest in this field due to their programmable two-way actuation and shape-morphing capabilities. Additive manufacturing (AM)/3D printing allows for the incorporation of different functional composite materials to create active components for soft robotics. However, current AM methods have limitations, especially when it comes to printing smart composite materials with high functional material content. This is a key requirement for enhancing responsiveness to external stimuli. Commonly used AM methods for smart magnetic composites, such as direct ink writing (DIW), confront challenges in achieving discontinuous printing, and enabling multi-material control at the voxel level, while some AM techniques are not suitable for producing composite materials. To address these limitations, we employed high-viscosity drop-on-demand (DoD) jetting and developed programmable magnetic composites filled with micron-sized hard magnetic particles. This method bridges the gap between conventional ink-jetting and DIW, which require printing inks with viscosities at opposite ends of the spectrum. This high-viscosity DoD jetting enables continuous, discontinuous, and non-contact printing, making it a versatile and effective method for 3D printing functional magnetic composites even with micron-sized fillers. Furthermore, we demonstrated stable magnetic domain programming and two-way shape-morphing actuations of printed structures for soft robotics. In summary, our work highlights high-viscosity DoD jetting as a promising method for printing functional magnetic composites and other similar materials for a wide range of applications. |
| format | Article |
| id | doaj-art-d81517e785bf4e7585e5a02b6e6040a1 |
| institution | DOAJ |
| issn | 2772-3690 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Additive Manufacturing Letters |
| spelling | doaj-art-d81517e785bf4e7585e5a02b6e6040a12025-08-20T02:50:26ZengElsevierAdditive Manufacturing Letters2772-36902024-12-011110025010.1016/j.addlet.2024.100250Drop-on-demand 3D printing of programable magnetic composites for soft roboticsAnil Bastola0Luke Parry1Robyn Worsley2Nisar Ahmed3Edward Lester4Richard Hague5Christopher Tuck6Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom; Mechanical Engineering, Faculty of Science and Engineering, Swansea University, Swansea, SA1 8EN, United Kingdom; Corresponding authors.Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United KingdomCentre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United KingdomCentre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United KingdomAdvanced Materials Research Group, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United KingdomCentre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United KingdomCentre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom; Corresponding authors.Soft robotics have become increasingly popular as a versatile alternative to traditional robotics. Magnetic composite materials, which respond to external magnetic fields, have attracted significant interest in this field due to their programmable two-way actuation and shape-morphing capabilities. Additive manufacturing (AM)/3D printing allows for the incorporation of different functional composite materials to create active components for soft robotics. However, current AM methods have limitations, especially when it comes to printing smart composite materials with high functional material content. This is a key requirement for enhancing responsiveness to external stimuli. Commonly used AM methods for smart magnetic composites, such as direct ink writing (DIW), confront challenges in achieving discontinuous printing, and enabling multi-material control at the voxel level, while some AM techniques are not suitable for producing composite materials. To address these limitations, we employed high-viscosity drop-on-demand (DoD) jetting and developed programmable magnetic composites filled with micron-sized hard magnetic particles. This method bridges the gap between conventional ink-jetting and DIW, which require printing inks with viscosities at opposite ends of the spectrum. This high-viscosity DoD jetting enables continuous, discontinuous, and non-contact printing, making it a versatile and effective method for 3D printing functional magnetic composites even with micron-sized fillers. Furthermore, we demonstrated stable magnetic domain programming and two-way shape-morphing actuations of printed structures for soft robotics. In summary, our work highlights high-viscosity DoD jetting as a promising method for printing functional magnetic composites and other similar materials for a wide range of applications.http://www.sciencedirect.com/science/article/pii/S2772369024000586Magnetic compositesSmart materialsAdditive manufacturing3D printingHigh-viscosity jettingSoft robotics |
| spellingShingle | Anil Bastola Luke Parry Robyn Worsley Nisar Ahmed Edward Lester Richard Hague Christopher Tuck Drop-on-demand 3D printing of programable magnetic composites for soft robotics Additive Manufacturing Letters Magnetic composites Smart materials Additive manufacturing 3D printing High-viscosity jetting Soft robotics |
| title | Drop-on-demand 3D printing of programable magnetic composites for soft robotics |
| title_full | Drop-on-demand 3D printing of programable magnetic composites for soft robotics |
| title_fullStr | Drop-on-demand 3D printing of programable magnetic composites for soft robotics |
| title_full_unstemmed | Drop-on-demand 3D printing of programable magnetic composites for soft robotics |
| title_short | Drop-on-demand 3D printing of programable magnetic composites for soft robotics |
| title_sort | drop on demand 3d printing of programable magnetic composites for soft robotics |
| topic | Magnetic composites Smart materials Additive manufacturing 3D printing High-viscosity jetting Soft robotics |
| url | http://www.sciencedirect.com/science/article/pii/S2772369024000586 |
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