Tribological behaviors of single and dual sol-gel ceramic films on Ti-6Al-4V
文献类型：期刊论文
| 作者 | Liu WM(刘维民)
|
| 刊名 | Ceramics International
 |
| 出版日期 | 2009 |
| 卷号 | 35页码:1513-1520 |
| 关键词 | A. Sol-gel process C. Friction Thin film Ti-6Al-4V Wear |
| ISSN号 | 0272-8842 |
| 通讯作者 | 张文光 |
| 中文摘要 | TiO2, SiO2, hydroxyapatite (HA), TiO2–HA and SiO2–HA thin films with good biocompatibility were grown on Ti–6Al–4V (coded as TC4) substrate by sol–gel and dip-coating processes from specially formulated sols, followed by annealing at 500 8C. The chemical states of some typical elements in the target films were detected by means of X-ray photoelectron spectroscopy (XPS). High-resolution scanning electron microscopy (SEM) is applied to characterize the surface and cross-sectional morphologies of obtained films. Various phases of the films were characterized by XRD. The tribological properties of thin films sliding against an AISI52100 steel ball were evaluated on a reciprocating friction and wear tester. As a result, the target films were obtained. Compared with the TC4 substrate, all the sol–gel ceramic films are superior in resisting wear. Among all, HA film shows the best resistance while SiO2 film shows the worst wear resistance both under higher (3 N) and lower load (1 N). TiO2 shows a good wear resistance under lower load but higher load. Compared with TiO2, the wear resistance of the dual film TiO2–HA can be improved under 3 N but deteriorated under 1 N. Compared with SiO2, the wear resistance of SiO2–HA is improved both under 3 N and 1 N. Compared with HA, the wear resistances of dual films are deteriorated both under 3 N and 1 N. Under 0.5 N, a very long wear life for TiO2–HA is also obtained, illustrating that the lower wear resistance of dual films is closely related to the applied load. SEMobservation of the morphologies of worn surfaces indicates that thewear of TC4 is characterized by abrasivewear. Differently, abrasion, plastic deformation andmicro-crack dominate the wear of ceramic films. The superior friction reduction and wear resistance of HA films are greatly attributed to the slight plastic deformation of the film. Sol–gel is a potential method being applied to implant materials for wear protection according to proper process designs. The single HA film and the dual TiO2–HA film is suggested for biomedical application from the point of view of wear protection. |
| 学科主题 | 材料科学与物理化学 |
| 收录类别 | SCI |
| 资助信息 | the National Natural Science Foundation of China (Grant No. 30300078);Medical and Engineering (Science) Cross Research Fund of Shanghai Jiao Tong University (Grant No. YG2007MS17) |
| 语种 | 英语 |
| 公开日期 | 2012-11-13 |
| 源URL | [http://210.77.64.217/handle/362003/2018]  |
| 专题 | 兰州化学物理研究所_固体润滑国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Liu WM. Tribological behaviors of single and dual sol-gel ceramic films on Ti-6Al-4V[J]. Ceramics International,2009,35:1513-1520. |
| APA | 刘维民.(2009).Tribological behaviors of single and dual sol-gel ceramic films on Ti-6Al-4V.Ceramics International,35,1513-1520. |
| MLA | 刘维民."Tribological behaviors of single and dual sol-gel ceramic films on Ti-6Al-4V".Ceramics International 35(2009):1513-1520. |
入库方式： OAI收割
来源：兰州化学物理研究所
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