Mechanical and tribological properties of hydroxyapatite nanoparticles extracted from natural bovine bone and the bone cement developed by nano-sized bovine hydroxyapatite filler

被引：69
作者：
Ayatollahi, M. R. [1 ]
Yahya, Mohd Yazid [2 ]
Shirazi, H. Asgharzadeh [1 ]
Abu Hassan, Shukur [2 ]
机构：
[1] Iran Univ Sci & Technol, Sch Mech Engn, Ctr Excellence Expt Solid Mech & Dynam, Fatigue & Fracture Res Lab, Tehran 1684613114, Iran
[2] Univ Teknol Malaysia, Inst Vehicle Syst & Engn, Ctr Composite, Johor Baharu 81310, Malaysia
来源：
CERAMICS INTERNATIONAL | 2015年 / 41卷 / 09期
关键词：
Nano-composite; Mechanical properties; Hydroxyapatite; Bovine bone; Bone cement; ELASTIC-MODULUS; SINTERING TEMPERATURE; INDENTATION; HARDNESS; BEHAVIOR; POWDERS; NANOINDENTATION;
D O I：
10.1016/j.ceramint.2015.05.021
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The aim of this study is twofold. Firstly, it provides a nano-sized hydroxyapatite derived from bovine bone (BHA), as a raw material and natural source of HA, and to obtain the mechanical and tribological properties of sintered BHA ceramic. Secondly, it evaluates the mechanical and tribological properties of a commercially available bone cement by incorporating nano-sized BHA as a bone compatible nano-filler. In order to achieve these two goals, the mechanical and tribological properties of sintered BHA ceramic and nano-composite cements were measured using nano-indentation and nano-scratch experiments. The results indicated that the nano-hydroxyapatite of single phase with high crystallinity and appropriate mechanical and tribological properties could be produced from the natural bovine bone. Moreover, it was found that the nano-composite with 10 wt% BHA exhibited a good improvement in mechanical and tribological properties in comparison with other examined PMMA/BHA nano-composites. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：10818 / 10827
页数：10
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