How the fluorographene replaced graphene as nanoadditive for improving tribological performances of GTL-8 based lubricant oil

doi:10.1007/s40544-019-0350-y

CORC > 宁波材料技术与工程研究所 > 中国科学院宁波材料技术与工程研究所 > 2020专题

	How the fluorographene replaced graphene as nanoadditive for improving tribological performances of GTL-8 based lubricant oil
	Ci, Xiaojing; Zhao, Wenjie; Luo, Jun; Wu, Yangmin; Ge, Tianhao; Xue, Qunji; Gao, Xiulei; Fang, Zhiwen
刊名	FRICTION
	2020
关键词	FLUORINATED GRAPHENE CARBON SPHERES IONIC LIQUIDS FRICTION OXIDE ADDITIVES CHEMISTRY
DOI	10.1007/s40544-019-0350-y
英文摘要	Fluorographene, a new alternative to graphene, it not only inherits the 2-dimensional (2D) layered structure and outstanding mechanical properties, but also possesses controllable C-F bonds. It is meaningful to reveal the evolution processes of the tribological behaviors from graphene to fluorographene. In this work, fluorinated reduced graphene oxide nanosheets (F-rGO) with different degree of fluorination were prepared using direct gas-fluorination and they were added into gas to liquid-8 (GTL-8) base oil as lubricant additive to improve the tribological performance. According to the results, the coefficient of friction (COF) reduced by 21%, notably, the wear rate reduced by 87% with the addition of highly fluorinated reduced graphene oxide (HF-rGO) compared with rGO. It was confirmed that more covalent C-F bonds which improved the chemical stability of HF-rGO resisted the detachment of fluorine so the HF-rGO nanosheets showed less damage, as demonstrated via X-ray photoelectron spectroscopy (XPS), Raman spectra, and transmission electron microscopy (TEM). Meanwhile, the ionic liquid (IL) adsorbed on HF-rGO successfully improved the dispersibility of F-rGO in GTL-8 base oil. The investigation of tribofilm by TEM and focused ion beam (FIB) illustrated that IL displayed a synergy to participate in the tribochemical reaction and increased the thickness of tribofilm during the friction process.
学科主题	Engineering
内容类型	期刊论文
源URL	[http://ir.nimte.ac.cn/handle/174433/20748]
专题	2020专题
作者单位	Zhao, WJ (corresponding author), Chinese Acad Sci, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo Inst Mat Technol & Engn, Key Lab Marine Mat & Related Technol, Ningbo 315201, Peoples R China.
推荐引用方式 GB/T 7714	Ci, Xiaojing,Zhao, Wenjie,Luo, Jun,et al. How the fluorographene replaced graphene as nanoadditive for improving tribological performances of GTL-8 based lubricant oil[J]. FRICTION,2020.
APA	Ci, Xiaojing.,Zhao, Wenjie.,Luo, Jun.,Wu, Yangmin.,Ge, Tianhao.,...&Fang, Zhiwen.(2020).How the fluorographene replaced graphene as nanoadditive for improving tribological performances of GTL-8 based lubricant oil.FRICTION.
MLA	Ci, Xiaojing,et al."How the fluorographene replaced graphene as nanoadditive for improving tribological performances of GTL-8 based lubricant oil".FRICTION (2020).