Enhancing the tribological performance of PEEK exposed to water-lubrication by filling goethite (alpha-FeOOH) nanoparticles
Department先进润滑与防护材料研究发展中心
Gao CP(高传平); Zhang G(张嘎); Wang TM(王廷梅); Wang QH(王齐华); Zhang G(张嘎); Wang QH(王齐华)
The second department固体润滑国家重点实验室
2016
Source PublicationRSC Advances
ISSN2046-2069
Volume6Issue:56Pages:51247-51256
Abstract

The formation of a tribo-film on the counterface plays an important role on the tribological performances of polymer subjected to mixed and boundary lubrication conditions. However, when freshwater is used as a lubricant, the formation of a tribo-film usually is hindered. In order to overcome this disadvantage, PEEK/α-FeOOH nanocomposites were developed and their tribological performances were studied under water lubrication conditions in the present work. It was demonstrated that the inclusion of α-FeOOH nanoparticles (NPs) into the PEEK matrix improves significantly the tribological performance of the matrix. The nanostructures and properties of the tribo-films formed on the steel counterface were comprehensively studied. It was identified that the addition of α-FeOOH NPs promotes the formation of a lubricating tribo-film which covers the entire counterface. Based on the investigations on tribo-films, we deem that the α-FeOOH NPs act as precursors for the dehydration reaction promoting the formation of a tribo-film which consists of α-Fe2O3 and transferred PEEK. It is assumed that the enhanced tribological performance is related to the possibly high load-bearing capability and “easy-to-shear” characteristic of the tribo-film.

Subject Area材料科学与物理化学
DOI10.1039/c6ra06904e
Funding OrganizationNational Natural Science Foundation of China (Grant No. 51475446);Chinese "Thousand Youth Talents Plan" Project;Project Funded by Gansu Postdoctoral Science Foundation
Indexed BySCI
If3.108
Language英语
Funding Project聚合物自润滑复合材料组
compositor第一作者单位
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.licp.cn/handle/362003/19973
Collection中国科学院材料磨损与防护重点实验室/先进润滑与防护材料研究发展中心
固体润滑国家重点实验室(LSL)
Corresponding AuthorZhang G(张嘎); Wang QH(王齐华)
AffiliationChinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 73000, Peoples R China
Recommended Citation
GB/T 7714
Gao CP,Zhang G,Wang TM,et al. Enhancing the tribological performance of PEEK exposed to water-lubrication by filling goethite (alpha-FeOOH) nanoparticles[J]. RSC Advances,2016,6(56):51247-51256.
APA Gao CP,Zhang G,Wang TM,Wang QH,张嘎,&王齐华.(2016).Enhancing the tribological performance of PEEK exposed to water-lubrication by filling goethite (alpha-FeOOH) nanoparticles.RSC Advances,6(56),51247-51256.
MLA Gao CP,et al."Enhancing the tribological performance of PEEK exposed to water-lubrication by filling goethite (alpha-FeOOH) nanoparticles".RSC Advances 6.56(2016):51247-51256.
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