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

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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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Periodical:

Key Engineering Materials (Volumes 342-343)

Edited by:

Young-Ha Kim, Chong-Su Cho, Inn-Kyu Kang, Suk Young Kim and Oh Hyeong Kwon

Pages:

13-16

Citation:

Y. H. Park et al., "Microscopic Multi-Directional Mechanical Properties of Human Femoral Cancellous Bone Tissue", Key Engineering Materials, Vols. 342-343, pp. 13-16, 2007

Online since:

July 2007

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$38.00

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