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Article: Crystallographic interdigitation in oyster shell folia enhances material strength

TitleCrystallographic interdigitation in oyster shell folia enhances material strength
Authors
Issue Date2018
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/crystal
Citation
Crystal Growth & Design, 2018, v. 18 n. 7, p. 3753-3761 How to Cite?
AbstractShells of oyster species belonging to the genus Crassostrea have similar shell microstructural features comprising well-ordered calcite folia. However, the mechanical strengths of folia differ dramatically between closely related species. For example, the calcareous shells of the Hong Kong oyster Crassostrea hongkongensis are stronger than those of its closest relative, the Portuguese oyster, Crassostrea angulata. Specifically, after removal of organic content, the folia of C. hongkongensis are 200% tougher and able to withstand a 100% higher crushing force than that of C. angulata. Detailed analyses of shell structural and mechanical features support the hypothesis that crystallographic interdigitations confer elevated mechanical strength in C. hongkongensis oyster shells compared to C. angulata shells. Consequently, the folia of C. hongkongensis are structurally equipped to withstand a higher external load compared to C. angulata. The observed relationships between oyster shell structure, crystallography, and mechanical properties provided an insightful context in which to consider the likely fate of these two species in future climate change scenarios. Furthermore, the interdisciplinary approach developed in this study through integrating electron backscatter diffraction (EBSD) data into finite element analysis (FEA) could be applied to other biomineral systems to investigate the relationship between crystallography and mechanical behavior.
Persistent Identifierhttp://hdl.handle.net/10722/294727
ISSN
2023 Impact Factor: 3.2
2023 SCImago Journal Rankings: 0.649
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorMeng, Y-
dc.contributor.authorFitzer, SC-
dc.contributor.authorChung, P-
dc.contributor.authorLi, C-
dc.contributor.authorVengatesen, T-
dc.contributor.authorCusack, M-
dc.date.accessioned2020-12-08T07:40:59Z-
dc.date.available2020-12-08T07:40:59Z-
dc.date.issued2018-
dc.identifier.citationCrystal Growth & Design, 2018, v. 18 n. 7, p. 3753-3761-
dc.identifier.issn1528-7483-
dc.identifier.urihttp://hdl.handle.net/10722/294727-
dc.description.abstractShells of oyster species belonging to the genus Crassostrea have similar shell microstructural features comprising well-ordered calcite folia. However, the mechanical strengths of folia differ dramatically between closely related species. For example, the calcareous shells of the Hong Kong oyster Crassostrea hongkongensis are stronger than those of its closest relative, the Portuguese oyster, Crassostrea angulata. Specifically, after removal of organic content, the folia of C. hongkongensis are 200% tougher and able to withstand a 100% higher crushing force than that of C. angulata. Detailed analyses of shell structural and mechanical features support the hypothesis that crystallographic interdigitations confer elevated mechanical strength in C. hongkongensis oyster shells compared to C. angulata shells. Consequently, the folia of C. hongkongensis are structurally equipped to withstand a higher external load compared to C. angulata. The observed relationships between oyster shell structure, crystallography, and mechanical properties provided an insightful context in which to consider the likely fate of these two species in future climate change scenarios. Furthermore, the interdisciplinary approach developed in this study through integrating electron backscatter diffraction (EBSD) data into finite element analysis (FEA) could be applied to other biomineral systems to investigate the relationship between crystallography and mechanical behavior.-
dc.languageeng-
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/crystal-
dc.relation.ispartofCrystal Growth & Design-
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in [JournalTitle], copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [insert ACS Articles on Request author-directed link to Published Work, see http://pubs.acs.org/page/policy/articlesonrequest/index.html].-
dc.titleCrystallographic interdigitation in oyster shell folia enhances material strength-
dc.typeArticle-
dc.identifier.emailVengatesen, T: rajan@hkucc.hku.hk-
dc.identifier.authorityVengatesen, T=rp00796-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/acs.cgd.7b01481-
dc.identifier.scopuseid_2-s2.0-85047513111-
dc.identifier.hkuros320382-
dc.identifier.volume18-
dc.identifier.issue7-
dc.identifier.spage3753-
dc.identifier.epage3761-
dc.identifier.isiWOS:000438007200008-
dc.publisher.placeUnited States-
dc.identifier.issnl1528-7483-

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