Prediction of mechanical properties of human rib cortical bone using fractal dimension

Other authors

Universitat Politècnica de Catalunya. Departament de Resistència de Materials i Estructures a l'Enginyeria

Universitat Politècnica de Catalunya. Doctorat en Enginyeria Mecànica, Fluids i Aeronàutica

Universitat Politècnica de Catalunya. Departament de Ciència i Enginyeria de Materials

Universitat Politècnica de Catalunya. Departament d'Enginyeria Mecànica

Universitat Politècnica de Catalunya. GRABI - Grup de Recerca Aplicada en Biomecànica de l'Impacte

Universitat Politècnica de Catalunya. PROCOMAME - Processos de Conformació de Materials Metàl·lics

Universitat Politècnica de Catalunya. LEAM - Laboratori d'Enginyeria Acústica i Mecànica

Publication date

2020-10-26

Abstract

A large number of post mortem human subjects was used to investigate the relation between the micro-structure of rib cortical bone and the mechanical properties using Fractal Dimension. Uniaxial tensile tests were performed on coupons of rib cortical bone. Tensile strength, yield stress, Young's Modulus, maximum strain, and work to fracture were determined for each coupon. Fractal dimension was computed using CT images and Digital Image Correlation procedures. A highly significant effect of fractal dimension in the mechanical properties was found. In addition, the variation in mechanical properties was found to be adequately represented by Generalized Extreme Value type distributions.


Peer Reviewed


Postprint (author's final draft)

Document Type

Article

Language

English

Publisher

Gordon and Breach Science Publishers

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Rights

http://creativecommons.org/licenses/by-nc-nd/3.0/es/

Open Access

Attribution-NonCommercial-NoDerivs 3.0 Spain

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E-prints [73012]