医用钛金属材料表面改性研究

The surface modification study of biomedical titanium material

由于具有优良的力学、生物学、安全性等性能，钛及其合金被日益广泛的应用于人体硬组织的修复、替换。然而其表面硬度低、耐磨性差、生物惰性等是作为医用材料不容忽视的问题，为了改善这些性能，需要对钛合金表面进行改性处理。综合评述了多种表面处理技术的优点，指出对多种表面处理技术进行综合应用是今后的研究方向。

Owing to the excellent mechanics, biological, secure properties, titanium metals has been extensively used in restoration and replacement of hard tissue. However, titanium metals still have some problems with poor wearlessness, and biological inert-activity etc. For improving its biomedical properties, titanium surface modification was been applied. The article reviews these techniques of surface modification.