通过透射电子显微镜(TEM)对快速凝固合金Ti60Zr10Fe5Si9Nb5Mo11(原子分数,％)的微观形貌进行观察发现,合金晶界模糊,一些数量的纳米粒子沿晶界分布.通过X射线衍射仪(XRD)对合金进行相分析,结果表明,合金的基体组织为非晶态,沿模糊晶界处的析出物分别为纳米的β-Ti和Ti5Si3粒子.在模拟体液中对合金的生物相容性和生物活性进行评估,结果发现,合金表面沉积物的钙磷比与人体自然骨中的磷酸盐的钙磷比1.66∶1极为接近,表明其具有良好的生物相容性和生物活性.
参考文献
| [1] | Long M;Rack HJ .Titanium alloys in total joint replacement--a materials science perspective.[J].Biomaterials,1998(18):1621-1639. |
| [2] | Wang K .The use of titanium for medical applications in the USA[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1996,213:134-137. |
| [3] | Niinomi M;Fukunaga Ki;Morinaga M. -;Kato Y;Yashiro T;Suzuki A;Kuroda D .Corrosion wear fracture of new beta type biomedical titanium alloys[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1999(2):193-199. |
| [4] | 张玉梅,郭天文,李佐臣.钛及钛合金在口腔科应用的研究方向[J].生物医学工程学杂志,2000(02):206-208,217. |
| [5] | Kuroda D.;Morinaga M.;Kato Y.;Yashiro T.;Niinomi M. .Design and mechanical properties of new beta type titanium alloys for implant materials[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1998(1/2):244-249. |
| [6] | Flower H M .Microstructural development in relation to hot working of titanium alloys[J].Materials Science and Technology,1990,6:1082-1092. |
| [7] | 叶文君,脱祥明,王世洪.β21S 钛合金热压缩变形行为[J].稀有金属,2002(01):23-27. |
| [8] | 张芳,崔春翔,戚玉敏,刘双进.预钙化对医用钛合金表面沉积钙磷层的影响[J].钛工业进展,2005(03):18-21. |
| [9] | 林岚云 .自组装仿生法快速沉积Ti/CHA涂层的研究[D].福建师范大学,2005. |
| [10] | 崔春翔,申玉田,徐艳姬,李艳春,王如,王新,王超.钛合金表面原位生成钛酸钾生物陶瓷涂层的制备及其生物相容性[J].稀有金属材料与工程,2003(08):627-630. |
| [11] | 郑学斌,丁传贤.等离子喷涂制备 HA/ZrO2复合涂层[J].无机材料学报,2000(02):341-346. |
| [12] | 张涌泉,郭征.钛金属材料表面微观形态对成骨细胞的影响[J].生物骨科材料与临床研究,2005(05):23-25. |
| [13] | Xue W;Krishna B V;Bandyopadhyay A et al.Processing and biocompatibility evaluation of laser processed porous titanium[J].Acta Biomaterialia,2007,3(06):1007-1008. |
| [14] | Oak J J;Inoue A .Formation,mechanical properties and corrosion resistance of Ti-Pd based glassy alloys[J].Non-cryst Sol,2008,354(17):1828-1832. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%