Fluorographene with Narrow Lateral Size and Thickness Distributions Prepared for Enhancing Lubrication Performance of Bentonite Grease  

作　　者：XIANG Shuo LU Peng ZHANG Qinhui XIAO Bowen YANG Xin ZHANG Peili MA Pengfei HE Yan LI Xuebin 向硕;张勤辉;杨鑫

机构地区：[1]Army Logistics Academy of PLA,Chongqing 401311,China [2]Naval Aeronautical University,Yantai 2640003,China [3]Unit 32568,Shaoguan 512131,China

出　　处：《Journal of Wuhan University of Technology(Materials Science)》2024年第5期1294-1302,共9页武汉理工大学学报（材料科学英文版）

基　　金：Funded by Science and Technology Research Program of Chongqing Municipal Education Commission(No.KJZD-K202212905);Natural Science Foundation of Chongqing,China(No.cstc2019jcyj-msxmX0453)。

摘　　要：Fluorographene(FG)with narrow lateral size and thickness distributions was prepared by a liquid-phase exfoliation method,based on liquid cascade centrifugation.The Rtec MFT-5000 tribo-meter was used to investigate the lubricating performance of bentonite grease enhanced by the as-prepared FG.The results showed that the coefficient of friction and the wear volume of bentonite grease with 0.3 wt%FG were decreased by 20.4%and 44.9%,respectively,as compared to those of the base grease.The main reason is that FG can promote the formation of the tribo-chemical reaction film consisting of complex carbon oxide,Fe_(2)O_(3)and FeF_(3)on the friction surface,which can remarkably improve the performance of friction reduction and prevent the appearance of severe wear.

关 键 词：fluorographene liquid-phase exfoliation bentonite grease lubrication performance 

分 类 号：TH117.2[机械工程—机械设计及理论]