本研究利用Ca(NO3)2·4H2O,EDTA-2Na,NaH2PO4配制钙磷溶液,将热压烧结法制备的Ti3Al/HAP复合材料进行抛光并酸蚀后,放入钙磷溶液中浸泡矿化.经过一定矿化阶段,可以在复合材料样品条表面形成一层由六方棱柱状HAP晶体组成的致密涂层,SEM测试结果显示,六方棱柱状HAP晶体平行排列,垂直于复合材料表面,XRD图谱显示晶体沿c轴排列,(001)晶面平行于复合材料表面.将上述涂层放入模拟体液中浸泡,可以在其上面再形成一层由细小晶粒组成的涂层,新涂层新晶粒发育不完整,晶体取向不明显.
参考文献
| [1] | 刘兵,阮建明.Spinel增强HAP·TCP复合生物材料研究[J].无机材料学报,2004(04):832-838. |
| [2] | Kazuhiko Kandori;Naoto Horigami;Akemi Yasukawa .Texture and formation mechanism of fibrous calcium Hydroxyapatite particles prepared by decomposition of calcium-EDTA chelates[J].Journal of the American Ceramic Society,1997(5):1157-1164. |
| [3] | Fujishiro Y.;Sato T.;Okuwaki A.;Fujimoto A. .COATING OF HYDROXYAPATITE ON TITANIUM PLATES USING THERMAL DISSOCIATION OF CALCIUM-EDTA CHELATE COMPLEX IN PHOSPHATE SOLUTIONS UNDER HYDROTHERMAL CONDITIONS[J].Journal of Colloid and Interface Science,1995(1):119-127. |
| [4] | Fan YW;Duan K;Wang R .A composite coating by electrolysis-induced collagen self-assembly and calcium phosphate mineralization.[J].Biomaterials,2005(14):1623-1632. |
| [5] | Rabiei A;Thomas B;Jin C;Narayan R;Cuomo J;Yang Y;Ong JL .A study on functionally graded HA coatings processed using ion beam assisted deposition with in situ heat treatment[J].Surface & Coatings Technology,2006(20/21):6111-6116. |
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%