高级检索
无机材料学报

无机材料学报

• 研究论文 • 上一篇    下一篇

Spinel增强HAP·TCP复合生物材料研究

刘兵; 阮建明

  

  1. 中南大学粉末冶金国家重点实验室 长沙 410083
  • 收稿日期:2003-07-28 修回日期:2003-09-23 出版日期:2004-07-20 网络出版日期:2004-07-20

HAP·TCP Composite Biomaterials Strengthened by Spinel

LIU Bing; RUAN Jian-Ming   

  1. State Key Laboratory for Powder metallurgy; Central South University; Changsha 410083; China
  • Received:2003-07-28 Revised:2003-09-23 Published:2004-07-20 Online:2004-07-20

PDF (PC)

1053

被引次数

1

摘要： 采用化学共沉淀法制得羟基磷灰石(HAP)粉和铝镁尖晶石(Spinel)粉,并以HAP粉体和Spinel粉体为原料采用粉末冶金方法制得HAP·TCF-Spinel复合生物材料。采用红外光谱分析、X射线衍射、透射电镜、扫描电镜、金相、力学性能测试和蛋白质吸附实验等对上述合成的材料进行了表征。微观结构表明HAP·TCP与Spinel两相分布均匀,且界面结合良好。该复合材料具有良好的抗弯强度(σ抗弯)和抗压强度(σ抗压)。当HAP的含量为62.5wt％时其抗弯强度和抗压强度分别达到σ抗弯=212MPa,σ抗压=352MPa。蛋白质吸附实验表明,HAP·TCP-S-Spinel复合生物材料对白蛋白和血清蛋白具有较强的吸附能力。

关键词: HAP·TCP-Spinel生物材料, 力学性能, 蛋白质吸附

Abstract: Ca10(PO4)6(OH)2·Ca2(PO4)3-MgAl2O4 (HAP·TCP-Spinel) composite biomaterials were synthesized by chemical
deposition and followed by powder metallurgy technique. Microstructures were characterized by fourier transform infrared spectroscopy
(FTIR), X-ray diffraction(XRD), scan electron microscopy(SEM), and transmission electron microscopy(TEM). TEM observation shows that a perfect
combination is presented in the interface between HAP crystals and Spinel crystals. The effects of composition on mechanical properties
investigated show that the highest compressive strength and bending strength are σb=212MPa and σt=352MPa respectively, matching
the composition of 62.5wt% of HAP in the composite. Similar to HAP, the composite is available to adsorb serum protein and albumin protein, though the amount of protein adsorption
on the surface of the composite is significantly less than that on surface of HAP.

Key words: HAP·TCP-Spinel composite biomaterials, mechanical properties, protein adsorption

中图分类号: