Effects of drying on the mechanical properties of bovine femur measured by nanoindentation

被引：209
|
作者：
Rho, JY [1 ]
Pharr, GM
机构：
[1] Univ Memphis, Dept Biomed Engn, Memphis, TN 38152 USA
[2] Rice Univ, Dept Mat Sci, Houston, TX 77005 USA
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE | 1999年 / 10卷 / 08期
关键词：
D O I：
10.1023/A:1008901109705
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Effects of drying on the measurement of mechanical properties of bone by nanoindentation methods have been examined. Tests were conducted to measure the elastic modulus and hardness of two cross-sectional cortical specimens obtained from adjacent areas of bovine femur. One specimen was thoroughly dried in air prior to testing while the other was stored in deionized water. The properties of osteons and interstitial lamellae showed statistically significant differences (p < 0.0001) and were therefore investigated separately. Drying was found to increase the elastic modulus by 9.7% for interstitial lamellae and 15.4% for osteons. The hardness was also found to increase by 12.2% for interstitial lamellae and 17.6% for osteons. (C) 1999 Kluwer Academic Publishers.
引用
收藏
页码：485 / 488
页数：4
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