稀土改性碳纳米管复合薄膜制备及其摩擦磨损性能

上海交通大学学报（自然版） ›› 2011, Vol. 45 ›› Issue (09): 1310-1314.

稀土改性碳纳米管复合薄膜制备及其摩擦磨损性能

孙志永1, 程先华1, 2

(1.上海交通大学机械与动力工程学院，上海 200240； 2.清华大学摩擦学国家重点实验室，北京 100084)

收稿日期:2010-08-06 出版日期:2011-09-30 发布日期:2011-09-30
基金资助:
国家自然科学基金项目（50775139，50475023）

Preparation and Friction and Wear Behavior of Rare Earth Treated Carbon Nanotubes Self-assembled Composite Film

SUN Zhi-Yong-1, CHENG Xian-Hua-1, 2

（1. School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240, China；2. State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China）

Received:2010-08-06 Online:2011-09-30 Published:2011-09-30

摘要/Abstract

摘要： 利用自组装技术，在玻璃基片表面制备了稀土改性碳纳米管复合薄膜，采用接触角测量仪测量了不同成膜时间下水在薄膜表面的接触角，使用X射线光电子能谱仪分析了薄膜表面稀土元素的化学状态，并运用UMT2MT型摩擦磨损试验机评价了薄膜的摩擦磨损性能.结果表明：稀土改性后的碳纳米管成功地组装到磷酸化后的氨基硅烷薄膜表面而形成碳纳米管复合薄膜；碳纳米管复合薄膜表现出优异的摩擦磨损性能，在给定试验条件下，玻璃基片表面的摩擦系数由0.70降至0.13左右, 并表现出了优异的耐磨性和摩擦稳定性.

关键词: 稀土, 碳纳米管, 自组装薄膜, 摩擦磨损性能

Abstract: Rare earth (RE) treated carbon nanotubes (CNTs) composite thin films were prepared on hydroxylated glass substrates by a selfassembling process from specially formulated solution. The contact angles of distilled water on the glass selfassembled films (SAMs) and the composite film were measured to compare the surface states. The resultant composite film was characterized by means of Xray photoelectron spectroscopy (XPS). The friction and wear properties of the films sliding were evaluated on a UMT2MT reciprocating friction and wear tester. The experimental results show that CNT composite films are deposited on oxidized APTESSAM. The friction coefficient of glass substrate is reduced from 0.70 to 0.13 after the formation of CNTsSAM on its surface. The preparation of rare earth treated carbon nanotubes selfassembled composite film via selfassembly method is feasible and provides test basis for the application of CNTsSAM in the field of tribology.

Key words: rare earth, carbon nanotubes (CNTs), self-assembled film （SAM）, friction and wear behavior

中图分类号:

TH117.3

孙志永1, 程先华1, 2. 稀土改性碳纳米管复合薄膜制备及其摩擦磨损性能[J]. 上海交通大学学报（自然版）, 2011, 45(09): 1310-1314.

SUN Zhi-Yong-1, CHENG Xian-Hua-1, 2 . Preparation and Friction and Wear Behavior of Rare Earth Treated Carbon Nanotubes Self-assembled Composite Film[J]. Journal of Shanghai Jiaotong University, 2011, 45(09): 1310-1314.

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