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Microscopic Multi-Directional Mechanical Properties of Human Femoral Cancellous Bone Tissue

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Abstract:

Multi-directional mechanical properties of human cancellous bone tissue were never measured using a compressive test with microscopic cubic specimens. In this study, a small scale compressive testing machine with nano meter resolution and a measurement system for Poisson’s ratio with sub-nano meter resolution were developed to measure accurate microscopic mechanical properties of human CBT. The measured mean longitudinal (E1), postero-anterior (E2), and lateromedial (E3) elastic moduli were 3.47 GPa (S.D. ±0.41), 2.57 GPa (S.D. ±0.28), and 2.54 GPa (S.D. ±0.22), respectively. ANOVA showed that the longitudinal elastic modulus (E1) was significantly (p < 0.01) greater than the postero-anterior (E2) and latero-medial (E3) elastic moduli. For Poisson’s ratios, ν12 was significantly (p <0.01) higher than ν23 and ν31.

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Advanced Biomaterials VII View Preview

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Periodical:

Key Engineering Materials (Volumes 342-343)

Pages:

13-16

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.342-343.13

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Online since:

July 2007

Authors:

Young Hwan Park, Hee Sung Cha, Jung Hwa Hong

Keywords:

Cancellous Bone Tissue, Human Femoral Head, Microscopic Multi-Directional Property Measurement, Trabeculae

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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