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dc.contributor.author
Raney, Jordan R.
dc.contributor.author
Compton, Brett G.
dc.contributor.author
Müller, Jochen
dc.contributor.author
Ober, Thomas J.
dc.contributor.author
Shea, Kristina
dc.contributor.author
Lewis, Jennifer A.
dc.date.accessioned
2018-04-05T11:24:09Z
dc.date.available
2018-02-08T09:31:55Z
dc.date.available
2018-04-05T11:24:09Z
dc.date.issued
2018-02
dc.identifier.issn
0027-8424
dc.identifier.issn
1091-6490
dc.identifier.other
10.1073/pnas.1715157115
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/239312
dc.identifier.doi
10.3929/ethz-b-000239312
dc.description.abstract
Natural composites exhibit exceptional mechanical performance that often arises from complex fiber arrangements within continuous matrices. Inspired by these natural systems, we developed a rotational 3D printing method that enables spatially controlled orientation of short fibers in polymer matrices solely by varying the nozzle rotation speed relative to the printing speed. Using this method, we fabricated carbon fiber–epoxy composites composed of volume elements (voxels) with programmably defined fiber arrangements, including adjacent regions with orthogonally and helically oriented fibers that lead to nonuniform strain and failure as well as those with purely helical fiber orientations akin to natural composites that exhibit enhanced damage tolerance. Our approach broadens the design, microstructural complexity, and performance space for fiber-reinforced composites through site-specific optimization of their fiber orientation, strain, failure, and damage tolerance.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Springer
en_US
dc.rights.uri
http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject
3D printing
en_US
dc.subject
composites
en_US
dc.subject
mechanics
en_US
dc.subject
bioinspired
en_US
dc.subject
damage tolerant
en_US
dc.title
Rotational 3D printing of damage-tolerant composites with programmable mechanics
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
dc.date.published
2018-01-18
ethz.journal.title
Proceedings of the National Academy of Sciences of the United States of America
ethz.journal.volume
115
en_US
ethz.journal.issue
6
en_US
ethz.journal.abbreviated
Proc Natl Acad Sci U S A
ethz.pages.start
1198
en_US
ethz.pages.end
1203
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
New York, NY
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02130 - Dep. Maschinenbau und Verfahrenstechnik / Dep. of Mechanical and Process Eng.::02665 - Inst. f. Design, Mat. und Fabrikation::03954 - Shea, Kristina / Shea, Kristina
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02130 - Dep. Maschinenbau und Verfahrenstechnik / Dep. of Mechanical and Process Eng.::02665 - Inst. f. Design, Mat. und Fabrikation::03954 - Shea, Kristina / Shea, Kristina
en_US
ethz.date.deposited
2018-02-08T09:31:55Z
ethz.source
FORM
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2018-04-05T11:24:11Z
ethz.rosetta.lastUpdated
2021-02-14T23:09:02Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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