Mechanical properties of functionally graded hierarchical bamboo structures
This paper presents the results of a series of multi-scale experiments and numerical models concerning the mechanical properties of moso culm functionally graded bamboo structures. On the nano- and microscales, nanoindentation techniques are used to study the local variations in the Young’s moduli o...
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| Veröffentlicht in: | Acta biomaterialia 2011-10, Vol.7 (10), p.3796-3803 |
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| container_title | Acta biomaterialia |
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| creator | Tan, T. Rahbar, N. Allameh, S.M. Kwofie, S. Dissmore, D. Ghavami, K. Soboyejo, W.O. |
| description | This paper presents the results of a series of multi-scale experiments and numerical models concerning the mechanical properties of moso culm functionally graded bamboo structures. On the nano- and microscales, nanoindentation techniques are used to study the local variations in the Young’s moduli of moso culm bamboo cross-sections. These are then incorporated into finite element models in which the actual variations in Young’s moduli are used to model the deformation and fracture of bamboo during fracture toughness experiments. Similarly, the measured gradations in moduli are incorporated into crack bridging models that predict the toughening observed during resistance curve tests. The implications of the results are discussed for the bio-inspired design of structures that mimic the layered, functionally graded structure of bamboo. |
| doi_str_mv | 10.1016/j.actbio.2011.06.008 |
| format | Article |
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On the nano- and microscales, nanoindentation techniques are used to study the local variations in the Young’s moduli of moso culm bamboo cross-sections. These are then incorporated into finite element models in which the actual variations in Young’s moduli are used to model the deformation and fracture of bamboo during fracture toughness experiments. Similarly, the measured gradations in moduli are incorporated into crack bridging models that predict the toughening observed during resistance curve tests. The implications of the results are discussed for the bio-inspired design of structures that mimic the layered, functionally graded structure of bamboo.</description><identifier>ISSN: 1742-7061</identifier><identifier>EISSN: 1878-7568</identifier><identifier>DOI: 10.1016/j.actbio.2011.06.008</identifier><identifier>PMID: 21704742</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Animals ; Bamboo ; bamboos ; Bambusa - chemistry ; Bambusa - ultrastructure ; Biomechanical Phenomena ; Cellulose - ultrastructure ; culms ; deformation ; Dogs ; Elastic Modulus ; Finite Element Analysis ; mathematical models ; Mechanical properties ; Microscopy, Atomic Force ; Models, Biological ; Resistance curve behavior ; Strength ; Stress, Mechanical ; Tensile Strength ; Young’s moduli</subject><ispartof>Acta biomaterialia, 2011-10, Vol.7 (10), p.3796-3803</ispartof><rights>2011 Acta Materialia Inc.</rights><rights>Copyright © 2011 Acta Materialia Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c483t-492746348f1afe82403658a425fed587086058eae2d2354618a94700a43d0a9b3</citedby><cites>FETCH-LOGICAL-c483t-492746348f1afe82403658a425fed587086058eae2d2354618a94700a43d0a9b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1742706111002455$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21704742$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tan, T.</creatorcontrib><creatorcontrib>Rahbar, N.</creatorcontrib><creatorcontrib>Allameh, S.M.</creatorcontrib><creatorcontrib>Kwofie, S.</creatorcontrib><creatorcontrib>Dissmore, D.</creatorcontrib><creatorcontrib>Ghavami, K.</creatorcontrib><creatorcontrib>Soboyejo, W.O.</creatorcontrib><title>Mechanical properties of functionally graded hierarchical bamboo structures</title><title>Acta biomaterialia</title><addtitle>Acta Biomater</addtitle><description>This paper presents the results of a series of multi-scale experiments and numerical models concerning the mechanical properties of moso culm functionally graded bamboo structures. On the nano- and microscales, nanoindentation techniques are used to study the local variations in the Young’s moduli of moso culm bamboo cross-sections. These are then incorporated into finite element models in which the actual variations in Young’s moduli are used to model the deformation and fracture of bamboo during fracture toughness experiments. Similarly, the measured gradations in moduli are incorporated into crack bridging models that predict the toughening observed during resistance curve tests. The implications of the results are discussed for the bio-inspired design of structures that mimic the layered, functionally graded structure of bamboo.</description><subject>Animals</subject><subject>Bamboo</subject><subject>bamboos</subject><subject>Bambusa - chemistry</subject><subject>Bambusa - ultrastructure</subject><subject>Biomechanical Phenomena</subject><subject>Cellulose - ultrastructure</subject><subject>culms</subject><subject>deformation</subject><subject>Dogs</subject><subject>Elastic Modulus</subject><subject>Finite Element Analysis</subject><subject>mathematical models</subject><subject>Mechanical properties</subject><subject>Microscopy, Atomic Force</subject><subject>Models, Biological</subject><subject>Resistance curve behavior</subject><subject>Strength</subject><subject>Stress, Mechanical</subject><subject>Tensile Strength</subject><subject>Young’s moduli</subject><issn>1742-7061</issn><issn>1878-7568</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkE1v1DAQhi0EoqXwDxDkxilh7NjO5IKEqvIhijhAz9bEmXS9ysaLnSD135NtCkc4zUjzzMyrR4iXEioJ0r7dV-TnLsRKgZQV2AoAH4lziQ2WjbH4eO0brcoGrDwTz3LeA9QoFT4VZ0o2oNfhufjylf2OpuBpLI4pHjnNgXMRh2JYJj-HONE43hW3iXrui13gRMnv7vGODl2MRZ7T4uclcX4ungw0Zn7xUC_EzYerH5efyutvHz9fvr8uvcZ6LnWrGm1rjYOkgVFpqK1B0soM3BtsAC0YZGLVq9poK5Fa3QCQrnugtqsvxJvt7hr458J5doeQPY8jTRyX7FqJYPTq4b8komkBNZxIvZE-xZwTD-6YwoHSnZPgTr7d3m2-3cm3A-vgfu3Vw4OlO3D_d-mP4BV4vQEDRUe3KWR38329YAAkoDQn4t1G8Krs1yrYZR948tyHxH52fQz_zvAbadebRw</recordid><startdate>20111001</startdate><enddate>20111001</enddate><creator>Tan, T.</creator><creator>Rahbar, N.</creator><creator>Allameh, S.M.</creator><creator>Kwofie, S.</creator><creator>Dissmore, D.</creator><creator>Ghavami, K.</creator><creator>Soboyejo, W.O.</creator><general>Elsevier Ltd</general><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20111001</creationdate><title>Mechanical properties of functionally graded hierarchical bamboo structures</title><author>Tan, T. ; Rahbar, N. ; Allameh, S.M. ; Kwofie, S. ; Dissmore, D. ; Ghavami, K. ; Soboyejo, W.O.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c483t-492746348f1afe82403658a425fed587086058eae2d2354618a94700a43d0a9b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Animals</topic><topic>Bamboo</topic><topic>bamboos</topic><topic>Bambusa - chemistry</topic><topic>Bambusa - ultrastructure</topic><topic>Biomechanical Phenomena</topic><topic>Cellulose - ultrastructure</topic><topic>culms</topic><topic>deformation</topic><topic>Dogs</topic><topic>Elastic Modulus</topic><topic>Finite Element Analysis</topic><topic>mathematical models</topic><topic>Mechanical properties</topic><topic>Microscopy, Atomic Force</topic><topic>Models, Biological</topic><topic>Resistance curve behavior</topic><topic>Strength</topic><topic>Stress, Mechanical</topic><topic>Tensile Strength</topic><topic>Young’s moduli</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tan, T.</creatorcontrib><creatorcontrib>Rahbar, N.</creatorcontrib><creatorcontrib>Allameh, S.M.</creatorcontrib><creatorcontrib>Kwofie, S.</creatorcontrib><creatorcontrib>Dissmore, D.</creatorcontrib><creatorcontrib>Ghavami, K.</creatorcontrib><creatorcontrib>Soboyejo, W.O.</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Acta biomaterialia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tan, T.</au><au>Rahbar, N.</au><au>Allameh, S.M.</au><au>Kwofie, S.</au><au>Dissmore, D.</au><au>Ghavami, K.</au><au>Soboyejo, W.O.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mechanical properties of functionally graded hierarchical bamboo structures</atitle><jtitle>Acta biomaterialia</jtitle><addtitle>Acta Biomater</addtitle><date>2011-10-01</date><risdate>2011</risdate><volume>7</volume><issue>10</issue><spage>3796</spage><epage>3803</epage><pages>3796-3803</pages><issn>1742-7061</issn><eissn>1878-7568</eissn><abstract>This paper presents the results of a series of multi-scale experiments and numerical models concerning the mechanical properties of moso culm functionally graded bamboo structures. 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| subjects | Animals Bamboo bamboos Bambusa - chemistry Bambusa - ultrastructure Biomechanical Phenomena Cellulose - ultrastructure culms deformation Dogs Elastic Modulus Finite Element Analysis mathematical models Mechanical properties Microscopy, Atomic Force Models, Biological Resistance curve behavior Strength Stress, Mechanical Tensile Strength Young’s moduli |
| title | Mechanical properties of functionally graded hierarchical bamboo structures |
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