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Distinct tribological behaviors of polyimide composites when rubbing against various metals
Department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
Qi, Huimin(齐慧敏)1,2; Li, Guitao(李贵涛)2; Zhang, Ga(张嘎)2,3; Liu, Gen(刘根)2; Yu,Jiaxin()1; Zhang, Ligang(张利刚)2
The second department聚合物纳米复合材料组
2020
Source PublicationTribology International
Issue146Pages:106254
Abstract

Friction and wear of polyimide tribo-composites when rubbing against various metal alloys, i.e. aluminum alloy, bronze and bearing steel, were compared. Results demonstrated that counterpart types exerted important influences on wear rates comparing with friction coefficients. When sliding against bronze, wear rate of polyimide reinforced with aramid particles and polytetrafluoroethylene was almost one order of magnitude lower than those obtained rubbing against aluminum alloy and bearing steel. The composite exhibited much faster wear when rubbing against aluminum alloy under elevated pv (pressure � speed) conditions. Comprehensive analyses of the tribo-chemistry indicated that radicals deriving from broken polytetrafluoroethylene molecules were more prone to chelate with the bronze, thus forming a robust tribofilm.

KeywordMetal counterpart Tribofilm Tribo-chemistry Polyimide composites
DOIhttps://doi.org/10.1016/j.triboint.2020.106254
Indexed BySCI
If4.271
Language英语
compositor第二作者单位
Citation statistics
Document Type期刊论文
Identifierhttp://ir.licp.cn/handle/362003/26989
Collection固体润滑国家重点实验室(LSL)
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
青岛研发中心/青岛市资源化学与新材料研究中心
Corresponding AuthorZhang, Ligang(张利刚)
Affiliation1.Key Laboratory of Testing Technology for Manufacturing Process, Ministry of Education, Southwest University of Science and Technology, Mianyang, 621010, China
2.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
3.Qingdao Center of Resource Chemistry & New Materials, Qingdao, 266071, China
Recommended Citation
GB/T 7714
Qi, Huimin,Li, Guitao,Zhang, Ga,et al. Distinct tribological behaviors of polyimide composites when rubbing against various metals[J]. Tribology International,2020(146):106254.
APA Qi, Huimin,Li, Guitao,Zhang, Ga,Liu, Gen,Yu,Jiaxin,&Zhang, Ligang.(2020).Distinct tribological behaviors of polyimide composites when rubbing against various metals.Tribology International(146),106254.
MLA Qi, Huimin,et al."Distinct tribological behaviors of polyimide composites when rubbing against various metals".Tribology International .146(2020):106254.
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