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- WATANABE Honami
- Product Research Department, Tribology Research Center, EMG Lubricants Godo Kaisha
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- ONODERA Ko
- Product Research Department, Tribology Research Center, EMG Lubricants Godo Kaisha
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- SATO Kaisei
- Tokyo University of Science
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- KAWADA Shouhei
- Department of Mechanical Engineering, Faculty of Engineering Science, Kansai University
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- SASAKI Shinya
- Department of Mechanical Engineering, Faculty of Engineering, Tokyo University of Science
Bibliographic Information
- Other Title
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- ホウ素含有イオン液体による摩擦低減効果
- ホウソ ガンユウ イオン エキタイ ニ ヨル マサツ テイゲン コウカ
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Abstract
<p>Ionic liquids containing halogens have good lubricity, however, they are reported to cause corrosive wear. In contrast, halogen-free ionic liquids do not cause such corrosive wear, but they do not have good lubricity comparable to the halogen-containing counterparts. In this study, we focused on specific halogen-free boron-containing ionic liquids that exhibited low friction performance. The performance was mainly due to its boron-containing anions, because it was realized with both phosphonium-based and ammonium-based cations. Surface analysis and scratch test with atomic force microscope (AFM) were conducted with phosphonium-based cations to clarify the low friction mechanism. The boron-containing ionic liquid, [BOB][P66614], showed lower friction of around 0.01, which was much lower than MoDTC-containing engine oils did. The cause of the ultra-low friction with [BOB] [P66614] is thought to be due to the fact that the reaction film formed by friction has a very smooth surface and suppresses contact between metals. On the other hand, another boron-containing ionic liquid [BMB] [P66614], which did not form a smooth surface, showed relatively high friction compared to [BOB] [P66614]. Scratch tests with AFM indicated that the softer reaction film derived from [BOB] [P66614] led to the formation of a smooth sliding surface.</p>
Journal
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- JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS
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JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS 67 (3), 191-200, 2022-03-15
Japanese Society of Tribologists
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Details 詳細情報について
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- CRID
- 1390573242613489280
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- NII Article ID
- 130008140872
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- NII Book ID
- AN10056166
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- ISSN
- 21899967
- 09151168
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- NDL BIB ID
- 032062759
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed