Nano/micro tribological behaviors of a self-assembled graphene oxide nanolayer on Ti/titanium alloy substrates

被引：48

作者：

Li, Peng Fei ^{[1
]}

Zhou, Hua ^{[2
]}

Cheng, Xian-Hua ^{[1
,3
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China

[2] Shanghai Normal Univ, Coll Informat Mech & Elect Engn, Shanghai 201418, Peoples R China

[3] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2013年 / 285卷

基金：

中国国家自然科学基金;

关键词：

Self assembled monolayer; Graphene-oxide; Reduced graphene oxide; Titanium Nano/micro tribology; LAYER GRAPHENE; TITANIUM-ALLOY; FILMS; MONOLAYER; FRICTION; WEAR; REDUCTION;

D O I：

10.1016/j.apsusc.2013.09.019

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, reduced graphene oxide (RGO) layer is prepared on a self-assembled monolayer (SAM) of 3aminopropyltriethoxysilane (APTES) modified surface of deposited Ti substrates or Ti-29Nb-1 3Ta-4.6Zr (TNTZ) alloy substrate. The surface morphology was measured by SEM and AFM. Tribological behaviors in nano scale by AFM and in micro scale by UMT-2 were investigated and compared with titanium substrate, APTES SAM and GO-APTES nanolayer. XPS, water contact angle (WCA) and ellipsometry tests were carried out as assistant methods to discuss the tribological mechanisms. In both nano and micro scale tribological tests, the prepared film holds remarkable tribological properties. It also shows good anti-wear performance in our designed bio-tribological test. Nano and micro tribological mechanisms of the film are discussed. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：937 / 944

页数：8

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