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Poly(ionic liquid)s as lubricant additives with insight into adsorption-lubrication relationship

Wu, Jian (författare)
State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211800, China
Luo, Yanlong (författare)
College of Science, Nanjing Forestry University, Nanjing 210037, China
Chen, Yifeng (författare)
State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211800, China
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Lu, Xiaohua (författare)
State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211800, China
Feng, Xin (författare)
State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211800, China
Bao, Ningzhong (författare)
State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211800, China
Shi, Yijun (författare)
Luleå tekniska universitet,Maskinelement
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 (creator_code:org_t)
Elsevier, 2022
2022
Engelska.
Ingår i: Tribology International. - : Elsevier. - 0301-679X .- 1879-2464. ; 165
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • Ionic liquids (ILs) are very potential lubricant additives for their strong adsorption and tribochemical reactions at the interface. In this work, poly(ionic liquid) of PImC6NTf2 is used as lubricant additive in base oil of PEG, which can reduce the wear volume by around 65 times under 2.5 GPa. The lubricity is much more advantageous than the geminal dicationic IL of BIm5-(NTf2)2. The adsorption strength of lubricants is studied by employing the microcalorimeter to evaluate the adsorption heat, AFM to test the adhesion force, and molecular dynamics simulation to calculate the interfacial binding energy. As a result, the adsorption strength of PImC6NTf2 is obviously higher than BIm5-(NTf2)2, and the lubricity is strongly dependent on the adsorption strength of ILs.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Maskinteknik -- Tribologi (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering -- Tribology (hsv//eng)

Nyckelord

Lubricant additive
Poly(ionic liquid)s
Friction and wear
Adsorption
Machine Elements
Maskinelement

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