Tribological performance of low viscosity halogen-free ammonium based protic ionic liquids with carboxylate anions as neat lubricants

被引：28
作者：
Al Kaisy, Ghassan M. J. [1 ]
Mutalib, M. Ibrahim A. [1 ]
Rao, T. V. V. L. N. [2 ]
Senatore, Adolfo [3 ]
机构：
[1] Univ Teknol PETRONAS, Dept Chem Engn, Seri Iskandar 32160, Perak, Malaysia
[2] Madanapalle Inst Technol & Sci, Dept Mech Engn, Madanapalle 517325, India
[3] Univ Salerno, Dept Ind Engn, I-84084 Salerno, Italy
来源：
TRIBOLOGY INTERNATIONAL | 2021年 / 160卷 / 160期
关键词：
Ammonium; Protic ionic liquids; Carboxylate; Low viscosity; Halogen-free; Lubricants; ADDITIVES; STEEL; FRICTION; WEAR; BEHAVIOR; OXIDE; ZDDP;
D O I：
10.1016/j.triboint.2021.107058
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The tribological performance of six low viscosity, hydrophobic, halogen- sulfur-, and phosphorous free trioctylammonium-based protic ionic liquids with 2-naphthoate, 4-tert-butylbenzoate, 2-hexyldecanoate, 4-phenylbutanoate, 3,4-dimethylbenzoate, and salicylate anions were studied as lubricants for steel-steel interfaces using a four-ball tribo-tester. The results showed a significant friction reduction up-to 28. 65% compared to polyalphaolefin lube base oil. Where the salicylate protic ionic liquid showed the lowest coefficient of friction. In terms of wear, the 2-naphthoate and salicylate protic ionic liquids exhibited wear scar diameter values lower than polyalphaolefin by 4.7% and 0.42%, respectively. The scanning electron microscopy and X-ray photoelectron spectrometer analysis outcomes of the wear scar surfaces indicated that tribo-chemical reactions were involved among the protic ionic liquid molecules and the steel surfaces during the tribo-test, developing a protective boundary film, which contributed significantly to the lubrication performance of the protic ionic liquids' lubricants. No corrosion was observed for the copper strip corrosion test carried out to examine the corrosion characteristics of the studied protic ionic liquids. The overall results confirm the high capability of applying this group of protic ionic liquids as lubricants.
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页数：14
相关论文
共 60 条
[21]  
Hamrock Bernard J, 2004, FUNDAMENTAL FLUID FI, V2nd
[22]   ISOTHERMAL ELASTOHYDRODYNAMIC LUBRICATION OF POINT CONTACTS .3. FULLY FLOODED RESULTS [J].
HAMROCK, BJ ;
DOWSON, D .
JOURNAL OF LUBRICATION TECHNOLOGY-TRANSACTIONS OF THE ASME, 1977, 99 (02) :264-276
[23]  
Holbrey J.D., 2008, Ionic Liquids in Synthesis, P57
[24]   Ideal charge-density-wave order in the high-field state of superconducting YBCO [J].
Jang, H. ;
Lee, W. -S. ;
Nojiri, H. ;
Matsuzawa, S. ;
Yasumura, H. ;
Nie, L. ;
Maharaj, A. V. ;
Gerber, S. ;
Liu, Y. -J. ;
Mehta, A. ;
Bonn, D. A. ;
Liang, R. ;
Hardy, W. N. ;
Burns, C. A. ;
Islam, Z. ;
Song, S. ;
Hastings, J. ;
Devereaux, T. P. ;
Shen, Z. -X. ;
Kivelson, S. A. ;
Kao, C. -C. ;
Zhu, D. ;
Lee, J. -S. .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2016, 113 (51) :14645-14650
[25]   Tribological evaluation of environmentally friendly ionic liquids derived from renewable biomaterials [J].
Jiang, Cheng ;
Li, Weimin ;
Nian, Jingyan ;
Lou, Wenjing ;
Wang, Xiaobo .
FRICTION, 2018, 6 (02) :208-218
[26]   Crown-Type Ionic Liquids as Lubricants for Steel-on-Steel System [J].
Jiang, Dong ;
Hu, Litian ;
Feng, Dapeng .
TRIBOLOGY LETTERS, 2011, 41 (02) :417-424
[27]   Imidazolium ionic liquids as additives of the synthetic ester propylene glycol dioleate in aluminium-steel lubrication [J].
Jimenez, Ana-Eva ;
Bermudez, Maria-Dolores .
WEAR, 2008, 265 (5-6) :787-798
[28]  
Kajdas C., 2003, Lubr. Sci, V15, P329
[29]   Halogen-free ammonium-organoborate ionic liquids as lubricating additives: the effect of alkyl chain lengths on the tribological performance [J].
Khatri, Praveen K. ;
Joshi, Chetan ;
Thakre, Gananath D. ;
Jain, Suman L. .
NEW JOURNAL OF CHEMISTRY, 2016, 40 (06) :5294-5299
[30]  
Khonsari MM, 2008, APPL TRIBOLOGY BEARI, P23
123456