Investigating the Wettability, Rheological, and Tribological Properties of Ammonium-Based Protic Ionic Liquids as Neat Lubricants for Steel–Steel and Steel–Aluminium Contacts
This study aims to evaluate the tribological properties of two protic ionic liquids (PILs) under different tribological conditions as a sustainable alternative for mineral oil-based neat lubricants. The synthesis of PILs in this study uses a relatively simple and less expensive method. The Fourier t...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-11-01
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| Series: | Lubricants |
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| Online Access: | https://www.mdpi.com/2075-4442/11/11/469 |
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| author | B. Depu Kumar Patro P. S. Suvin Raimondas Kreivaitis Milda Gumbytė |
| author_facet | B. Depu Kumar Patro P. S. Suvin Raimondas Kreivaitis Milda Gumbytė |
| author_sort | B. Depu Kumar Patro |
| collection | DOAJ |
| description | This study aims to evaluate the tribological properties of two protic ionic liquids (PILs) under different tribological conditions as a sustainable alternative for mineral oil-based neat lubricants. The synthesis of PILs in this study uses a relatively simple and less expensive method. The Fourier transform infrared (FTIR) spectroscopy results help validate the synthesised PILs’ formation. Further, their physicochemical and tribological properties were investigated. The PILs as neat lubricants were tested on a ball-on-plate reciprocating tribometer using bearing steel–bearing steel and bearing steel–aluminium alloy friction pairs at 30 °C and 80 °C. The results show that the investigated PILs significantly reduced the coefficient of friction and wear. The dodecylamine-based PILs performed better in friction and wear reduction than the other investigated lubricants. The formation of the adsorption layer on the friction pairs was assumed to be the dominant friction and wear reduction mechanism. |
| first_indexed | 2024-03-09T16:40:27Z |
| format | Article |
| id | doaj.art-c49c73cde63b47ff9f13c5b7e09272ff |
| institution | Directory Open Access Journal |
| issn | 2075-4442 |
| language | English |
| last_indexed | 2024-03-09T16:40:27Z |
| publishDate | 2023-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Lubricants |
| spelling | doaj.art-c49c73cde63b47ff9f13c5b7e09272ff2023-11-24T14:52:46ZengMDPI AGLubricants2075-44422023-11-01111146910.3390/lubricants11110469Investigating the Wettability, Rheological, and Tribological Properties of Ammonium-Based Protic Ionic Liquids as Neat Lubricants for Steel–Steel and Steel–Aluminium ContactsB. Depu Kumar Patro0P. S. Suvin1Raimondas Kreivaitis2Milda Gumbytė3Department of Mechanical Engineering, National Institute of Technology Karnataka, Surathkal, Mangalore 575025, IndiaDepartment of Mechanical Engineering, National Institute of Technology Karnataka, Surathkal, Mangalore 575025, IndiaAgriculture Academy, Vytautas Magnus University, K. Donelaičio Str. 58, 44248 Kaunas, LithuaniaAgriculture Academy, Vytautas Magnus University, K. Donelaičio Str. 58, 44248 Kaunas, LithuaniaThis study aims to evaluate the tribological properties of two protic ionic liquids (PILs) under different tribological conditions as a sustainable alternative for mineral oil-based neat lubricants. The synthesis of PILs in this study uses a relatively simple and less expensive method. The Fourier transform infrared (FTIR) spectroscopy results help validate the synthesised PILs’ formation. Further, their physicochemical and tribological properties were investigated. The PILs as neat lubricants were tested on a ball-on-plate reciprocating tribometer using bearing steel–bearing steel and bearing steel–aluminium alloy friction pairs at 30 °C and 80 °C. The results show that the investigated PILs significantly reduced the coefficient of friction and wear. The dodecylamine-based PILs performed better in friction and wear reduction than the other investigated lubricants. The formation of the adsorption layer on the friction pairs was assumed to be the dominant friction and wear reduction mechanism.https://www.mdpi.com/2075-4442/11/11/469protic ionic liquidsfrictionwearlubricationcontact angleadsorption |
| spellingShingle | B. Depu Kumar Patro P. S. Suvin Raimondas Kreivaitis Milda Gumbytė Investigating the Wettability, Rheological, and Tribological Properties of Ammonium-Based Protic Ionic Liquids as Neat Lubricants for Steel–Steel and Steel–Aluminium Contacts Lubricants protic ionic liquids friction wear lubrication contact angle adsorption |
| title | Investigating the Wettability, Rheological, and Tribological Properties of Ammonium-Based Protic Ionic Liquids as Neat Lubricants for Steel–Steel and Steel–Aluminium Contacts |
| title_full | Investigating the Wettability, Rheological, and Tribological Properties of Ammonium-Based Protic Ionic Liquids as Neat Lubricants for Steel–Steel and Steel–Aluminium Contacts |
| title_fullStr | Investigating the Wettability, Rheological, and Tribological Properties of Ammonium-Based Protic Ionic Liquids as Neat Lubricants for Steel–Steel and Steel–Aluminium Contacts |
| title_full_unstemmed | Investigating the Wettability, Rheological, and Tribological Properties of Ammonium-Based Protic Ionic Liquids as Neat Lubricants for Steel–Steel and Steel–Aluminium Contacts |
| title_short | Investigating the Wettability, Rheological, and Tribological Properties of Ammonium-Based Protic Ionic Liquids as Neat Lubricants for Steel–Steel and Steel–Aluminium Contacts |
| title_sort | investigating the wettability rheological and tribological properties of ammonium based protic ionic liquids as neat lubricants for steel steel and steel aluminium contacts |
| topic | protic ionic liquids friction wear lubrication contact angle adsorption |
| url | https://www.mdpi.com/2075-4442/11/11/469 |
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