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Article: Effective modulus of polycrystalline aggregates in different geometrical configurations
Title | Effective modulus of polycrystalline aggregates in different geometrical configurations |
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Authors | |
Keywords | Effective modulus Finite element analysis Polycrystalline material Statistics Thin film |
Issue Date | 2010 |
Publisher | Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/msea |
Citation | Materials Science And Engineering A, 2010, v. 527 n. 18-19, p. 5008-5017 How to Cite? |
Abstract | In the present study, a finite element scheme with random distribution strategy is employed to systematically investigate the modulus difference of polycrystalline copper aggregates in different geometrical configurations (three-dimensional bulk and thin film configurations). Firstly, the finite element simulation is performed to estimate the effective elastic constants in three-dimensional bulk configuration. The numerical estimations are in good agreement with the existing analytical solutions and experimental measurements. Secondly, the proven finite element scheme is extended to the prediction of the effective moduli of the free-standing and substrate-attached thin films. For the free-standing thin film, the effective Young's modulus decreases with reducing the film thickness. For the substrate-attached thin film, its effective modulus is affected by the relative stiffness between the substrate and the film. The spread of the effective moduli in different configurations could be as large as 20%. © 2010 Elsevier B.V. |
Persistent Identifier | http://hdl.handle.net/10722/137343 |
ISSN | 2023 Impact Factor: 6.1 2023 SCImago Journal Rankings: 1.660 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Fan, H | en_HK |
dc.contributor.author | Xie, XM | en_HK |
dc.contributor.author | Sze, KY | en_HK |
dc.date.accessioned | 2011-08-26T14:23:30Z | - |
dc.date.available | 2011-08-26T14:23:30Z | - |
dc.date.issued | 2010 | en_HK |
dc.identifier.citation | Materials Science And Engineering A, 2010, v. 527 n. 18-19, p. 5008-5017 | en_HK |
dc.identifier.issn | 0921-5093 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/137343 | - |
dc.description.abstract | In the present study, a finite element scheme with random distribution strategy is employed to systematically investigate the modulus difference of polycrystalline copper aggregates in different geometrical configurations (three-dimensional bulk and thin film configurations). Firstly, the finite element simulation is performed to estimate the effective elastic constants in three-dimensional bulk configuration. The numerical estimations are in good agreement with the existing analytical solutions and experimental measurements. Secondly, the proven finite element scheme is extended to the prediction of the effective moduli of the free-standing and substrate-attached thin films. For the free-standing thin film, the effective Young's modulus decreases with reducing the film thickness. For the substrate-attached thin film, its effective modulus is affected by the relative stiffness between the substrate and the film. The spread of the effective moduli in different configurations could be as large as 20%. © 2010 Elsevier B.V. | en_HK |
dc.language | eng | en_US |
dc.publisher | Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/msea | en_HK |
dc.relation.ispartof | Materials Science and Engineering A | en_HK |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.rights | NOTICE: this is the author’s version of a work that was accepted for publication in Materials Science and Engineering A: Structural Materials: Properties, Microstructures and Processing. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Materials Science and Engineering A: Structural Materials: Properties, Microstructures and Processing, 2010, v. 527 n. 18-19, p. 5008–5017. DOI: 10.1016/j.msea.2010.04.054 | - |
dc.subject | Effective modulus | en_HK |
dc.subject | Finite element analysis | en_HK |
dc.subject | Polycrystalline material | en_HK |
dc.subject | Statistics | en_HK |
dc.subject | Thin film | en_HK |
dc.title | Effective modulus of polycrystalline aggregates in different geometrical configurations | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Sze, KY:szeky@graduate.hku.hk | en_HK |
dc.identifier.authority | Sze, KY=rp00171 | en_HK |
dc.description.nature | postprint | - |
dc.identifier.doi | 10.1016/j.msea.2010.04.054 | en_HK |
dc.identifier.scopus | eid_2-s2.0-77954816355 | en_HK |
dc.identifier.hkuros | 191227 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-77954816355&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 527 | en_HK |
dc.identifier.issue | 18-19 | en_HK |
dc.identifier.spage | 5008 | en_HK |
dc.identifier.epage | 5017 | en_HK |
dc.identifier.isi | WOS:000279300900069 | - |
dc.publisher.place | Switzerland | en_HK |
dc.identifier.scopusauthorid | Fan, H=7402553644 | en_HK |
dc.identifier.scopusauthorid | Xie, XM=36785943700 | en_HK |
dc.identifier.scopusauthorid | Sze, KY=7006735060 | en_HK |
dc.identifier.citeulike | 7087131 | - |
dc.identifier.issnl | 0921-5093 | - |