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总览 评价 冀国俊 * ， 张智慧 ， 张薇 （ 内蒙古工业大学化工学院，呼和浩特 010051； ） 摘要： 本文在玻璃表面制备了掺杂和未掺杂Ce3+的TiO2溶胶-凝胶薄膜。采用原子力显微镜、纳米压痕仪和摩擦磨损试验机对其表面形貌、硬度和摩擦性能进行了研究。结果表
冀国俊*， 张智慧， 张薇
（
内蒙古工业大学化工学院，呼和浩特 010051； ）
摘要：
本文在玻璃表面制备了掺杂和未掺杂Ce3+的TiO2溶胶-凝胶薄膜。采用原子力显微镜、纳米压痕仪和摩擦磨损试验机对其表面形貌、硬度和摩擦性能进行了研究。结果表明，未涂膜玻璃基体表面存在大量的微裂纹、微孔洞等缺陷，表面粗糙度大。涂敷TiO2薄膜后，玻璃表面的这些微缺陷被薄膜材料所填满和覆盖，薄膜表面结构均匀致密，表面粗糙度小。涂敷薄膜后玻璃表面的硬度增大，摩擦系数降低。而且，随着薄膜中稀土Ce3+的掺杂，玻璃表面的力学性能明显提高。
关键词：
固体力学；氧化钛薄膜；玻璃；力学性能
JI Guojun*， ZHANG Zhihui， ZHANG Wei
（
College of Chemical Engineering, Inner Mongolia University of Technology, Hohhot 010051； ）
Abstract：
In this paper, Ce3+-doped and undoped titania films were coated on glass surface by sol-gel method. The surface morphology, surface hardness and tribology properties of the samples were characterized by Atomic force microscopy, Nanoindenter and Friction tester, respectively. The results showed that many defects existed on the uncoated glass surface such as microcracks and microvoids, resulting in high surface roughness. After coating with the titania films, the microdefects of the glass surface were filled and covered by film materials. The structure of the titania films surface were uniform and compact, and the surface roughness decreased. After coating with titania films, the surface hardness of the samples increased and the friction coefficient decreased. Furthermore, after doping with Ce3+ in the films, the mechanicl properties of the glass surface obviously improved.
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