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Experimental study of cancellous bone under large strains and a constitutive probabilistic model

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dc.contributor.author Kefalas, V en
dc.contributor.author Eftaxiopoulos, DA en
dc.date.accessioned 2014-03-01T02:08:59Z
dc.date.available 2014-03-01T02:08:59Z
dc.date.issued 2012 en
dc.identifier.issn 17516161 en
dc.identifier.uri http://hdl.handle.net/123456789/29759
dc.subject Cancellous bone en
dc.subject Compression en
dc.subject Constitutive model en
dc.subject Experimental en
dc.subject Large strains en
dc.subject Tension en
dc.subject.other Bovine cancellous bones en
dc.subject.other Cancellous bone en
dc.subject.other Compaction process en
dc.subject.other Constitutive law en
dc.subject.other Engineering strains en
dc.subject.other Experimental en
dc.subject.other Experimental studies en
dc.subject.other Failure process en
dc.subject.other Large strains en
dc.subject.other Mechanical model en
dc.subject.other Plateau region en
dc.subject.other Probabilistic models en
dc.subject.other Statistical descriptions en
dc.subject.other Tension en
dc.subject.other Tension tests en
dc.subject.other Three stages en
dc.subject.other Trabecular structure en
dc.subject.other Uni-axial compression en
dc.subject.other Bone en
dc.subject.other Computer simulation en
dc.subject.other Constitutive models en
dc.subject.other Fracture en
dc.subject.other Strain en
dc.subject.other Stress-strain curves en
dc.subject.other Tensile testing en
dc.subject.other Compaction en
dc.subject.other animal cell en
dc.subject.other animal tissue en
dc.subject.other article en
dc.subject.other bioengineering en
dc.subject.other biomechanics en
dc.subject.other body constitution en
dc.subject.other bone mass en
dc.subject.other bone stress en
dc.subject.other cancellous bone en
dc.subject.other compression en
dc.subject.other controlled study en
dc.subject.other cow en
dc.subject.other fracture en
dc.subject.other nonhuman en
dc.subject.other osteomalacia en
dc.subject.other priority journal en
dc.subject.other probability en
dc.subject.other simulation en
dc.subject.other tension en
dc.subject.other trabecular bone en
dc.subject.other Animals en
dc.subject.other Biomechanics en
dc.subject.other Cattle en
dc.subject.other Compressive Strength en
dc.subject.other Elastic Modulus en
dc.subject.other Femur en
dc.subject.other Fractures, Bone en
dc.subject.other Models, Biological en
dc.subject.other Models, Statistical en
dc.subject.other Stress, Mechanical en
dc.title Experimental study of cancellous bone under large strains and a constitutive probabilistic model en
heal.type journalArticle en
heal.identifier.primary 10.1016/j.jmbbm.2011.10.006 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.jmbbm.2011.10.006 en
heal.publicationDate 2012 en
heal.abstract Experimental study of bovine cancellous bone up to compaction under uniaxial compression and up to fracture under tension, has been pursued in this article. Compression experiments have revealed the known three stages of the constitutive response, namely the initial increasing and softening branches at moderate strains, the plateau region at large strains and the hardening part at very large strains under compaction. Tension tests have quantified the increasing and softening branches of the stress-strain curve up to fracture. Subsequently, a constitutive mechanical model, for the simulation of the experimental findings up to very large strains (75% engineering strain under compression), is proposed. The model is based on the statistical description of (a) the failure process of the trabecular structure at small and moderate strains and (b) the compaction process of the trabecular mass at very large strains under compression. Several fitting cases indicated that the presented constitutive law can capture the evolution of the experimental results. © 2011 Elsevier Ltd. en
heal.journalName Journal of the Mechanical Behavior of Biomedical Materials en
dc.identifier.doi 10.1016/j.jmbbm.2011.10.006 en
dc.identifier.volume 6 en
dc.identifier.spage 41 en
dc.identifier.epage 52 en


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