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dc.contributor.author
Gerstgrasser, Marcel
dc.contributor.author
Jakob, Raphael
dc.contributor.author
Pandya, Kedar Sanjay
dc.contributor.author
Stirnimann, Josef
dc.contributor.author
Wegener, Konrad
dc.date.accessioned
2021-01-11T09:41:48Z
dc.date.available
2020-12-11T14:40:27Z
dc.date.available
2020-12-16T12:11:55Z
dc.date.available
2021-01-11T09:41:48Z
dc.date.issued
2021-02-01
dc.identifier.issn
0264-1275
dc.identifier.issn
1873-4197
dc.identifier.other
10.1016/j.matdes.2020.109395
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/456065
dc.identifier.doi
10.3929/ethz-b-000456065
dc.description.abstract
Based on powder-bed fusion, a coupled cellular automata (CA) approach to simulate the microstructure and concentration distribution of two different materials, stainless steel 316 L and nickel base alloy CM247LC, in the middle and high scan speed range is presented. Local non-equilibrium models for rapid solidification are considered in this study and described. The simulation outputs from S316L and CM247LC are qualitatively and quantitatively compared with each other and validated with experiments in case of S316L. The melt pool geometry defines the grain morphology. Thin columnar grains and therefore a larger number can be found in the case of CM247LC compared to S316L. The temperature history, cooling rates and diffusivities have a tremendous impact on the grain morphology, based on SLM microstructure cross-section and single crystal simulations. Furthermore, concentration maps are analysed for both materials. In case of CM247LC, concentration maps are suggested as a possibility to predict hot cracks. Temperature dependent diffusivity coefficients and atomic spacing parameters are suggested. Simulations and experimental results are in good agreement.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Elsevier
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
SLM
en_US
dc.subject
Single track simulation
en_US
dc.subject
Steel S316L (1.4404)
en_US
dc.subject
CM247LC
en_US
dc.subject
cellular automata
en_US
dc.subject
hybrid simulation
en_US
dc.subject
Experimental validation
en_US
dc.subject
Rapid cooling
en_US
dc.title
CA single track microstructure simulation of nickel base alloy CM247LC and stainless steel S316L, including experimental validation of S316L
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2020-12-09
ethz.journal.title
Materials & Design
ethz.journal.volume
199
en_US
ethz.journal.abbreviated
Mater. des.
ethz.pages.start
109395
en_US
ethz.size
15 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Oxford
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.::02623 - Inst. f. Werkzeugmaschinen und Fertigung / Inst. Machine Tools and Manufacturing
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.::02623 - Inst. f. Werkzeugmaschinen und Fertigung / Inst. Machine Tools and Manufacturing::03641 - Wegener, Konrad (emeritus) / Wegener, Konrad (emeritus)
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.::02623 - Inst. f. Werkzeugmaschinen und Fertigung / Inst. Machine Tools and Manufacturing::03641 - Wegener, Konrad (emeritus) / Wegener, Konrad (emeritus)
ethz.relation.isCitedBy
10.3929/ethz-b-000585963
ethz.relation.hasPart
handle/20.500.11850/482102
ethz.date.deposited
2020-12-11T14:40:47Z
ethz.source
FORM
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2021-01-11T09:41:58Z
ethz.rosetta.lastUpdated
2024-02-02T12:48:47Z
ethz.rosetta.versionExported
true
ethz.COinS
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