Study on the elastic-plastic behavior of a porous hierarchical bioscaffold used for bone regeneration
Huang, S. P., Li, Z. Y., Chen, Z., Chen, Q., & Pugno, N. (2013) Study on the elastic-plastic behavior of a porous hierarchical bioscaffold used for bone regeneration. Materials Letters, 112, pp. 43-46.
A perfectly plastic von Mises model is proposed to study the elastic-plastic behavior of a porous hierarchical scaffold used for bone regeneration. The proposed constitutive model is implemented in a finite element (FE) routine to obtain the stress-strain relationship of a uniaxially loaded cube of the scaffold, whose constituent is considered to be composed of cortical bone. The results agree well with experimental data for uniaxial loading case of a cancellous bone. We find that the unhomogenized stress distribution results in different mechanical properties from but still comparable to our previous theory. The scaffold is a promising candidate for bone regeneration.
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|Item Type:||Journal Article|
|Keywords:||Bone regeneration, Hierarchical scaffold, Mechanical properties, Porosity, Elastic-plastic behavior, tissue-engineering scaffolds, cortical bone, micromechanics approach, multiscale elasticity, mechanical-properties, cancellous bone, strength, models|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2013 Elsevier B.V.|
|Deposited On:||16 Nov 2015 05:04|
|Last Modified:||08 Dec 2015 05:18|
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