Role of damage mechanics in nanoindentation of lamellar bone at multiple sizes: Experiments and numerical modeling

• Published in: Journal of the mechanical behavior of biomedical materials Vol. 4; no. 8; pp. 1852 - 1863
• Main Authors: Lucchini, Riccardo, Carnelli, Davide, Ponzoni, Matteo, Bertarelli, Emanuele, Gastaldi, Dario, Vena, Pasquale
• Format: Journal Article
• Language: English
• Published: Netherlands Elsevier Ltd 01.11.2011
• Subjects: Animals; Anisotropy; Biomechanical Phenomena; Cattle; Damage mechanics; Elasticity; Finite Element Analysis; Finite element models; Hardness Tests - methods; Lamellar bone; Nanoindentation; Nanotechnology - methods; Tibia; Damage mechanics; Finite element models; Lamellar bone; Anisotropy; Nanoindentation

The aim of this paper is to show that damage mechanisms can account for the response of lamellar bone to nanoindentation tests, with particular regards to the decrease of indentation stiffness with increasing penetration depth and to the loss of contact stiffness during the unloading phase of the te...