Influence of strain rate on the mechanical behavior of cortical bone interstitial lamellae at the micrometer scale

被引：6
|
作者：
Vanleene, Maximilien
Mazeran, Pierre-Emmanuel
Tho, Marie-Christine Ho Ba [1 ]
机构：
[1] Univ Technol Compiegne, CNRS, UMR 6600, Lab Biomecan & Genie Biomed, F-60205 Compiegne, France
[2] Univ Technol Compiegne, CNRS, FRE 2833, Lab Roberval Unite Rech Mecan, F-60205 Compiegne, France
来源：
JOURNAL OF MATERIALS RESEARCH | 2006年 / 21卷 / 08期
关键词：
D O I：
10.1557/JMR.2006.0255
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Investigations of bone mechanical properties are of major importance for bone pathology research, biomaterials, and development of in vivo bone characterization devices. Because of its complex multiscale structure, assessment of bone microstructure is an important step for understanding its mechanical behavior. In this study, we have investigated the strain rate influence on the mechanical properties of interstitial lamellae on two human femur bone samples. Nanoindentation tests were performed with the continuous stiffness measurement technique. Young's modulus and hardness were calculated using the Oliver and Pharr method. A statistical significant influence of strain rate on hardness was found (p < 0.05) showing a viscoplastic behavior of interstitial bone at the micrometer scale. This phenomenon may reflect the role of the organic component in the bone matrix mechanical behavior.
引用
收藏
页码：2093 / 2097
页数：5
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