| 粉末冶金多孔钛表面生物活化的研究 |
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| 引用本文： | 赵性川,吕宇鹏,肖桂勇,李士同,朱瑞富. 粉末冶金多孔钛表面生物活化的研究[J]. 材料热处理学报, 2011, 32(Z1) |
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| 作者姓名： | 赵性川 吕宇鹏 肖桂勇 李士同 朱瑞富 |
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| 作者单位： | 山东大学材料液固结构演变与加工教育部重点实验室,山东济南250061;山东大学材料科学与工程学院,山东济南250061 |
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| 基金项目： | 山东省自然科学基金项目(Y2008F34); 山东大学自主创新基金项目(yzc10116) |
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| 摘 要： | 采用粉末冶金法制备了具有适合人体组织长入孔径的多孔钛,并对其进行生物活化处理.利用EPMA、SEM、XRD等研究了不同预处理方法和浸泡时间对多孔钛表面羟基磷灰石(HA)的形貌及形成速度的影响.结果表明,多孔钛的表面以及孔的内表面上均有纳米晶TiO2生成,预钙化处理能够明显提高多孔钛表面生成羟基磷灰石的速率,促进HA的形核长大,预钙化后磷含量增加明显,验证了Na2HPO4在预处理中对多孔钛的活化是有利的.
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| 关 键 词： | 多孔钛 碱液处理 预钙化 羟基磷灰石 生物活化 |
Study on surface bio-activation of powder metallurgy porous titanium |
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| ZHAO Xing-chuan , L Yu-peng , XIAO Gui-yong , LI Shi-tong , ZHU Rui-fu. Study on surface bio-activation of powder metallurgy porous titanium[J]. Transactions of Materials and Heat Treatment, 2011, 32(Z1) |
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| Authors: | ZHAO Xing-chuan L Yu-peng XIAO Gui-yong LI Shi-tong ZHU Rui-fu |
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| Affiliation: | ZHAO Xing-chuan1,2,Lü Yu-peng 1,XIAO Gui-yong1,LI Shi-tong1,ZHU Rui-fu1,2(1.Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials,Ministry of Education,Shandong University,Jinan 250061,China,2.School of Materials Science and Engineering,China) |
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| Abstract: | Porous titanium with well pore size for tissue ingrowth were fabricated by powder metallurgy.By means of EPMA,SEM and XRD,The effect of various pretreatments and soaking time in SBF on the morphology of the precipitated hydroxyapatite(HA) as well as the rate of apatite formation on the surface of porous titanium was discussed.The results show that TiO2 nanocrystalline formed on the surface and pore wall of porous titanium.Pre-calcification treatment could significantly improve the rate of HA formation and p... |
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| Keywords: | porous titanium alkali treatment pre-calcification hydroxyapatite bio-activation |
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