Experimental, theoretical and numerical investigation of the nonlinear micromechanical properties of bone

JJ Schwiedrzik - 2014 - boris.unibe.ch
Aging societies suffer from an increasing incidence of bone fractures. Bone strength
depends on the amount of mineral measured by clinical densitometry, but also on the …

Quantitative analysis of imprint shape and its relation to mechanical properties measured by microindentation in bone

JJ Schwiedrzik, PK Zysset - Journal of biomechanics, 2015 - Elsevier
Microindentation in bone is a micromechanical testing technique routinely used to extract
material properties related to bone quality. As the analysis of microindentation data is based …

The influence of yield surface shape and damage in the depth-dependent response of bone tissue to nanoindentation using spherical and Berkovich indenters

JJ Schwiedrzik, PK Zysset - Computer methods in biomechanics …, 2015 - Taylor & Francis
Prevention and treatment of osteoporosis rely on understanding of the micromechanical
behaviour of bone and its influence on fracture toughness and cell-mediated adaptation …

A rate-independent continuum model for bone tissue with interaction of compressive and tensile micro-damage

PK Zysset, U Wolfram - Journal of the mechanical behavior of biomedical …, 2017 - Elsevier
Low bone strength is a major risk factor for osteoporotic fractures and is only partially
determined by clinical densitometry. Accumulated micro-damage induces residual strains …

A numerical study on indentation properties of cortical bone tissue: Influence of anisotropy

M Demiral, A Abdel-Wahab, V Silberschmidt - Acta of Bioengineering and …, 2015 - infona.pl
Purpose: The purpose of this study is to investigate the effect of anisotropy of cortical bone
tissue on measurement of properties such as direction-dependent moduli and hardness …

Nanoindentation testing and finite element simulations of cortical bone allowing for anisotropic elastic and inelastic mechanical response

D Carnelli, R Lucchini, M Ponzoni, R Contro… - Journal of …, 2011 - Elsevier
Anisotropy is one of the most peculiar aspects of cortical bone mechanical behaviour, and
the numerical approach can be successfully used to investigate aspects of bone tissue …

A damage model to simulate nanoindentation tests of lamellar bone at multiple penetration depth

R Lucchini, D Carnelli, D Gastaldi… - … Methods in Applied …, 2012 - re.public.polimi.it
Mechanical intrinsic anisotropy and architectural arrangements of building blocks of lamellar
bone confer mechanical and structural anisotropy to the tissue as well as a size dependence …

An anisotropic elastic-viscoplastic damage model for bone tissue

JJ Schwiedrzik, PK Zysset - Biomechanics and modeling in …, 2013 - Springer
A new anisotropic elastic-viscoplastic damage constitutive model for bone is proposed using
an eccentric elliptical yield criterion and nonlinear isotropic hardening. A micromechanics …

[PDF][PDF] Development of a nonlinear micro finite element framework for image-based simulations in bone biomechanics

M Stipsitz - 2020 - scholar.archive.org
The loads that bones can sustain strongly depend on the composition and microarchitecture
of bone tissue. When studying bone failure, experiments and simulations are often applied …

[PDF][PDF] Characterization of the microindentation of bone via scanning electron microscopy

WM Johnson, AJ Rapoff - Proceedings of the Summer …, 2003 - researchgate.net
The objective of this work was to characterize cross sectional profiles of microindentations in
wet and dry bone specimens to better understand material behavior at the indentation site …