Lubrication Performance Promotion of GTL Base Oil by BN Nanosheets via Cascade Centrifugation-Assisted Liquid-Phase Exfoliation
Broad lateral size and thickness distributions impede the application of hexagonal boron nitride nanosheets (BNNSs) as friction modifiers in base oil, although they possess remarkable potential for lubrication performance promotion. In this work, a cascade centrifugation-assisted liquid-phase exfoli...
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MDPI AG
2025-06-01
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| Online Access: | https://www.mdpi.com/2075-4442/13/7/281 |
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| author | Jiashun Liu Shuo Xiang Xiaoyu Zhou Shigang Lin Kehong Dong Yiwei Liu Donghai He Yunhong Fan Yuehao Liu Bingxue Xiong Kai Ma Kaiyang Xiao Genmao Luo Qinhui Zhang Xin Yang |
| author_facet | Jiashun Liu Shuo Xiang Xiaoyu Zhou Shigang Lin Kehong Dong Yiwei Liu Donghai He Yunhong Fan Yuehao Liu Bingxue Xiong Kai Ma Kaiyang Xiao Genmao Luo Qinhui Zhang Xin Yang |
| author_sort | Jiashun Liu |
| collection | DOAJ |
| description | Broad lateral size and thickness distributions impede the application of hexagonal boron nitride nanosheets (BNNSs) as friction modifiers in base oil, although they possess remarkable potential for lubrication performance promotion. In this work, a cascade centrifugation-assisted liquid-phase exfoliation approach was presented to prepare BNNSs from hexagonal boron nitride (h-BN) efficiently and scalably. Subsequently, they were ultrasonically dispersed into gas-to-liquid (GTL) base oil, and their lubrication performance promotion was evaluated by a four-ball tribotester. Tribological tests demonstrated that BNNS possesses excellent friction-reducing and anti-wear properties in GTL. Furthermore, the findings indicate that at a BNNS content of 0.8 wt.%, the system displayed the lowest COF and WSD. Particularly, with an addition of 0.8 wt.% BNNS into GTL, the AFC and WSD are reduced significantly by 40.1% and 35.4% compared to pure base oil, respectively, and the surface roughness, wear depth, and wear volume were effectively reduced by 91.0%, 68.5%, and 76.8% compared to GTL base oil, respectively. Raman, SEM-EDS, and XPS results proved that the outstanding friction-reducing and anti-wear properties of BNNS can mainly be ascribed to the presence of physical adsorption film and tribo-chemical film, which were composed of FeOOH, FeO, Fe<sub>3</sub>O<sub>4</sub>, and B<sub>2</sub>O<sub>3</sub>. |
| format | Article |
| id | doaj-art-739214a8348b4e29b09824c42220cf7e |
| institution | Kabale University |
| issn | 2075-4442 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Lubricants |
| spelling | doaj-art-739214a8348b4e29b09824c42220cf7e2025-08-20T03:36:11ZengMDPI AGLubricants2075-44422025-06-0113728110.3390/lubricants13070281Lubrication Performance Promotion of GTL Base Oil by BN Nanosheets via Cascade Centrifugation-Assisted Liquid-Phase ExfoliationJiashun Liu0Shuo Xiang1Xiaoyu Zhou2Shigang Lin3Kehong Dong4Yiwei Liu5Donghai He6Yunhong Fan7Yuehao Liu8Bingxue Xiong9Kai Ma10Kaiyang Xiao11Genmao Luo12Qinhui Zhang13Xin Yang14Army Logistics Academy of PLA, Chongqing 401331, ChinaArmy Logistics Academy of PLA, Chongqing 401331, ChinaUnit 63936, Beijing 102205, ChinaArmy Logistics Academy of PLA, Chongqing 401331, ChinaUnit 77576, Lhasa 851400, ChinaArmy Logistics Academy of PLA, Chongqing 401331, ChinaArmy Logistics Academy of PLA, Chongqing 401331, ChinaSinopec Lubricant Co., Ltd., Synthetic Lubes Branch, Chongqing 400039, ChinaSinopec Lubricant Co., Ltd., Synthetic Lubes Branch, Chongqing 400039, ChinaSinopec Lubricant Co., Ltd., Synthetic Lubes Branch, Chongqing 400039, ChinaSinopec Lubricant Co., Ltd., Synthetic Lubes Branch, Chongqing 400039, ChinaArmy Logistics Academy of PLA, Chongqing 401331, ChinaArmy Logistics Academy of PLA, Chongqing 401331, ChinaArmy Logistics Academy of PLA, Chongqing 401331, ChinaArmy Logistics Academy of PLA, Chongqing 401331, ChinaBroad lateral size and thickness distributions impede the application of hexagonal boron nitride nanosheets (BNNSs) as friction modifiers in base oil, although they possess remarkable potential for lubrication performance promotion. In this work, a cascade centrifugation-assisted liquid-phase exfoliation approach was presented to prepare BNNSs from hexagonal boron nitride (h-BN) efficiently and scalably. Subsequently, they were ultrasonically dispersed into gas-to-liquid (GTL) base oil, and their lubrication performance promotion was evaluated by a four-ball tribotester. Tribological tests demonstrated that BNNS possesses excellent friction-reducing and anti-wear properties in GTL. Furthermore, the findings indicate that at a BNNS content of 0.8 wt.%, the system displayed the lowest COF and WSD. Particularly, with an addition of 0.8 wt.% BNNS into GTL, the AFC and WSD are reduced significantly by 40.1% and 35.4% compared to pure base oil, respectively, and the surface roughness, wear depth, and wear volume were effectively reduced by 91.0%, 68.5%, and 76.8% compared to GTL base oil, respectively. Raman, SEM-EDS, and XPS results proved that the outstanding friction-reducing and anti-wear properties of BNNS can mainly be ascribed to the presence of physical adsorption film and tribo-chemical film, which were composed of FeOOH, FeO, Fe<sub>3</sub>O<sub>4</sub>, and B<sub>2</sub>O<sub>3</sub>.https://www.mdpi.com/2075-4442/13/7/281lubrication performancehexagonal boron nitride nanosheetsGTL base oilliquid-phase exfoliation |
| spellingShingle | Jiashun Liu Shuo Xiang Xiaoyu Zhou Shigang Lin Kehong Dong Yiwei Liu Donghai He Yunhong Fan Yuehao Liu Bingxue Xiong Kai Ma Kaiyang Xiao Genmao Luo Qinhui Zhang Xin Yang Lubrication Performance Promotion of GTL Base Oil by BN Nanosheets via Cascade Centrifugation-Assisted Liquid-Phase Exfoliation Lubricants lubrication performance hexagonal boron nitride nanosheets GTL base oil liquid-phase exfoliation |
| title | Lubrication Performance Promotion of GTL Base Oil by BN Nanosheets via Cascade Centrifugation-Assisted Liquid-Phase Exfoliation |
| title_full | Lubrication Performance Promotion of GTL Base Oil by BN Nanosheets via Cascade Centrifugation-Assisted Liquid-Phase Exfoliation |
| title_fullStr | Lubrication Performance Promotion of GTL Base Oil by BN Nanosheets via Cascade Centrifugation-Assisted Liquid-Phase Exfoliation |
| title_full_unstemmed | Lubrication Performance Promotion of GTL Base Oil by BN Nanosheets via Cascade Centrifugation-Assisted Liquid-Phase Exfoliation |
| title_short | Lubrication Performance Promotion of GTL Base Oil by BN Nanosheets via Cascade Centrifugation-Assisted Liquid-Phase Exfoliation |
| title_sort | lubrication performance promotion of gtl base oil by bn nanosheets via cascade centrifugation assisted liquid phase exfoliation |
| topic | lubrication performance hexagonal boron nitride nanosheets GTL base oil liquid-phase exfoliation |
| url | https://www.mdpi.com/2075-4442/13/7/281 |
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