Advective Assembler-Enhanced Support Bath Rotational Direct Ink Writing
dc.contributor.author
Pleij, Tazio
dc.contributor.author
Bayles, Alexandra Victoria
dc.contributor.author
Vermant, Jan
dc.date.accessioned
2024-07-24T07:43:11Z
dc.date.available
2024-05-14T17:59:36Z
dc.date.available
2024-05-15T12:20:39Z
dc.date.available
2024-07-24T07:43:11Z
dc.date.issued
2024-07-08
dc.identifier.issn
2365-709X
dc.identifier.issn
2365-709X
dc.identifier.other
10.1002/admt.202400005
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/673035
dc.identifier.doi
10.3929/ethz-b-000673035
dc.description.abstract
Manufacturing intricately controlled, hierarchically distributed structures poses significant fabrication challenges, but is crucial for enhancing functionality in synthetic systems. A 3D printing technique combining advective assembly with rotational direct ink writing is developed and exploited to build topologically complex, multimaterial structures with high precision. A modular advective assembler printhead is fabricated and employed in the process. This flow-structuring device is designed with a complex network of internal channels that patterns flowing hydrogel-based inks, creating multi-layered filaments whose structures go well beyond conventional nozzle shape and size limitations. The composite filaments are extruded into a rotating support bath of Polyacrylic acid microgels. The rheology of the inks and support bath are critical to maintain print fidelity and integrity, and are characterized by linear and nonlinear bulk rheometry. Optimization of the materials creates a platform where curvilinear, multimaterial architectures are constructed without being constrained to slicing across X, Y, and Z axes. The versatility of this manufacturing platform is demonstrated by printing helical structures that undergo swelling-induced actuation. This processing method has the potential to significantly enhance additive manufacturing by enabling the production of intricate, multiscale composite structures with broad applicability in fields such as bioengineering, soft robotics, and functional composite materials.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Wiley-VCH
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
additive manufacturing
en_US
dc.subject
advective assemblers
en_US
dc.subject
direct ink writing
en_US
dc.subject
rheology
en_US
dc.subject
rotational 3d printing
en_US
dc.subject
support bath
en_US
dc.title
Advective Assembler-Enhanced Support Bath Rotational Direct Ink Writing
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2024-05-01
ethz.journal.title
Advanced Materials Technologies
ethz.journal.volume
9
en_US
ethz.journal.issue
13
en_US
ethz.pages.start
2400005
en_US
ethz.size
10 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02160 - Dep. Materialwissenschaft / Dep. of Materials::02646 - Institut für Polymere / Institute of Polymers::09482 - Vermant, Jan / Vermant, Jan
ethz.date.deposited
2024-05-14T17:59:41Z
ethz.source
WOS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2024-07-24T07:43:12Z
ethz.rosetta.lastUpdated
2024-07-24T07:43:12Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
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