Microscopic Multi-Directional Mechanical Properties of Human Femoral Cancellous Bone Tissue |
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| Journal | Key Engineering Materials (Volumes 342 - 343) |
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| Volume | Advanced Biomaterials VII |
| Edited by | Young-Ha Kim, Chong-Su Cho, Inn-Kyu Kang, Suk Young Kim and Oh Hyeong Kwon |
| Pages | 13-16 |
| DOI | 10.4028/www.scientific.net/KEM.342-343.13 |
| Citation | Young Hwan Park et al., 2007, Key Engineering Materials, 342-343, 13 |
| 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 |
| 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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