J Mater Sci: Mater Med (2017) 28:135 DOI 10.1007/s10856-017-5924-5 BIOMATERIALS SYNTHESIS AND CHARACTERIZATION Original Research Intracortical stiffness of mid-diaphysis femur bovine bone: lacunar–canalicular based homogenization numerical solutions and microhardness measurements 1 2 Ilige S. Hage Ramsey F. Hamade Received: 26 April 2017 / Accepted: 7 June 2017 / Published online: 31 July 2017 © Springer Science+Business Media, LLC 2017 Abstract Microscale lacunar–canalicular (L-C) porosity is exterior regions of the intracortical bone. The segmented L-C a major contributor to intracortical bone stiffness variability. porosity data is passed to a numerical microscale-based In this work, such variability is investigated experimentally homogenization scheme, also recently developed by the using micro hardness indentation tests and numerically authors, that analyses a composite made up of lamella using a homogenization scheme. Cross sectional rings of matrix punctuated by multi-inclusions and returns corre- cortical bones are cut from the middle tubular part of bovine sponding values for longitudinal and transverse Young's femur long bone at mid-diaphysis. A series of light micro- modulus (matrix stiffness) for these micro-sized spatial scopy images are taken along a line emanating from the locations. Hence, intracortical stiffness variability is cross-section center starting from the ring’s interior (endo- numerically quantiﬁed using a
Journal of Materials Science: Materials in Medicine – Springer Journals
Published: Jul 31, 2017
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