本文中采用化学方法制备多孔钛表面磷灰石涂层.多孔钛样品经HCl+H2SO4混合溶液及NaOH水溶液处理后,表面形成氧化钛及钛酸钠层.在过饱和Ca-P溶液中浸泡一段时间,磷灰石涂层沉积到多孔钛的表面.涂层由片状的垂直于金属表面的磷灰石和OCP结晶组成,不含CO3基团.涂层的Ca/P比约为1.46左右,小于羟基磷灰石的Ca/P化学计量比.涂层厚度约50μm,涂层后多孔钛的最大孔径约为150μm,可以满足临床使用要求.
参考文献
| [1] | Suchanek W.;Yoshimura M. .Processing and properties of hydroxyapatite-based biomaterials for use as hard tissue replacement implants [Review][J].Journal of Materials Research,1998(1):94-117. |
| [2] | de Groot K;Geesink RGT;Klein CPAT .Plasma sprayed coatings of hydroxyapatite[J].Journal of Biomedical Materials Research,1987,21:1375-1387. |
| [3] | Shirkhanzadeh M .Calcium phosphate coatings prepared by electrocrystallization from aqueous electrolytes[J].Journal of Materials Science:Materials in Medicine,1995,6:90-93. |
| [4] | Nie X;Leyland A;Matthews A .Deposition of layered bioceramic hydroxyapatite/TiO2 coatings on titanium alloys using a hybrid technique of micro-arc oxidation and electrophoretic[J].Surface and Coatings Technology,2000,125:407-414. |
| [5] | Wen HB.;Dewijn JR.;Liu Q.;Cui FZ.;Degroot K.;Wolke JGC. .FAST PRECIPITATION OF CALCIUM PHOSPHATE LAYERS ON TITANIUM INDUCED BY SIMPLE CHEMICAL TREATMENTS[J].Biomaterials,1997(22):1471-1478. |
| [6] | Wen HB;de-Wijn JR;Cui FZ;de-Groot K .Preparation of calcium phosphate coatings on titanium implant materials by simple chemistry.[J].Journal of biomedical materials research, Part B. Applied biomaterials,1998(2):227-236. |
| [7] | Kum HM;Miyaji F;Kokubo T;Nakamura T .Preparation of bioactive Ti and its alloys via simple chemical surface treatment[J].Journal of Biomedical Materials Research,1996,32:409-417. |
| [8] | de Groot K;Wen HB;Liu Y .Biomimetic coatings on orthopedic implants:a review.Mat Res Soc Symp Proc[J].Materials Research Society,2000,599:109-116. |
| [9] | YAN WQ;Nakamura T;Kobayashi M .Bonding of chemically treated titanium implants to bone[J].Journal of Biomedical Materials Research,1997,37:267-275. |
| [10] | Kim HM;Miyaji F;Kokubo T .Bonding strength of bonelike apatitelayer to Ti Metal substrate[J].Journal of Biomedical Materials Research Part B:Applied Biomaterials,1997(38):121-127. |
| [11] | Thieme M;Wieters KP;Bergner F;Scharnweber D,Worch H,Ndop J,Kim TJ,Grill W .Titanium powder sintering for preparation of a porous functionally graded material destined for orthopaedic implants[J].Journal of Materials Science:Materials in Medicine,2001,12:225-231. |
| [12] | Ducheyne P;Cuckler J;Radin S .Plasma sprayed calcium phosphate ceramic linings on porous metal coatings for bone ingrowth[J].CRC Handbook of Bioactive Ceramics,Ⅱ(02):123-131. |
| [13] | Oonishi H;Ishimaru H;Yamamoto M;Tsuji E,Kushitani S,Aono M,Nabeshima T.Comparison of bone ingrowth into porous Ti-6Al-4V beads with and without a plasma spray hydroxyapatite coating[M].CRC Handbook of Bioactive Ceramics Ⅱ:155-163. |
| [14] | Zitelli JP;Higham P .A novel method for solution deposition of hydroxyapatite on to three dimensionally porous metallic surfaces:peri-apatite HA[J].Materials Research Society Symposium Proceedings,2000,599:117-128. |
| [15] | Shi J;Ding C;Wu Y .Biomimetic apatite layers on plasma-sprayed titanium coating after surface modification[J].Surface and Coatings Technology,2000,137:97-103. |
| [16] | Nakamura T;Nishiguchi S;Oka M;Kim HM, Kokubo T.Effects of alkali and heattreatment on bone-bonding behavior of porous titanium implant[A].,2000:565. |
| [17] | Nishiguchi S;Kato H;Neo M;Oka M,Kim HM,Kokubo T,Nakamura T .Alkali- and heat-treated porous titanium for orthopaedic implants[J].Journal of Biomedical Materials Research,2001,54:198-208. |
| [18] | Takadama H;Kim HM;Miyaji F;Kokubo T,Nakamura T.How does alkali-treated titanium induce apatite formation?[A].NewYork:World Scientific,1998:663-666. |
| [19] | Kim HM;Takadama H;Miyaji F;Kokubo T Nishiguchi S Nakamura T .Mechanism ofapatite formation on bioactive titanium metal[J].The Korean Journal Ceram,1998,4(04):336-339. |
| [20] | 冯端.金属物理学[M].北京:科学出版社,1990:157. |
| [21] | B.C. Yang;Jie Weng .A preliminary study of the mechanism of the apatite nucleation on chemically treated titanium[J].Journal of Materials Science Letters,1999(16):1323-1324. |
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%