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Preparation and Tribological Performance Analysis of Calcium Borate/Graphene Lubricant Additives.

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Title: Preparation and Tribological Performance Analysis of Calcium Borate/Graphene Lubricant Additives.
Authors: Hou, Xianbin1 (AUTHOR), Guo, Jingyao2 (AUTHOR), Yan, Songyin1 (AUTHOR) ysymsaysy@126.com, Tang, Huahao1 (AUTHOR), Liu, Runze1 (AUTHOR), Dai, Leyang3 (AUTHOR) daileyang@jmu.edu.cn, Wang, Weiwei3 (AUTHOR), Lao, Chunbang4 (AUTHOR)
Source: Journal of Materials Engineering & Performance. May2026, Vol. 35 Issue 19, p19174-19194. 21p.
Subjects: Lubricant additives, Graphene, Mechanical alloying, Marine diesel motors, Wear resistance, Friction losses
Abstract: Marine diesel engines operate under extreme conditions characterized by high temperatures and heavy loads, leading to significant friction and wear-related losses. The incorporation of lubricant additives has proven effective in enhancing the anti-friction and anti-wear properties of base oils, with certain additives even demonstrating self-healing capabilities. In this study, calcium borate (CB)/graphene (Gr) composite lubricant additives (1# lubricant additive) were synthesized through plasma-assisted ball milling, using Gr and CB as primary materials and oleic acid as a surface modifier. To further investigate the synthesis process, a second set of additives (2# lubricant additive) was prepared using expanded graphite in place of Gr under the same conditions. The microstructure and surface chemistry of both additive types were characterized through scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR), Raman spectroscopy, and x-ray diffraction (XRD). Tribological performance was evaluated at varying temperatures using a reciprocating friction and wear tester. The results indicate that plasma-assisted ball milling effectively exfoliates expanded graphite into Gr while simultaneously facilitating surface modification. Furthermore, the synergistic interaction between CB and Gr, as well as the formation of a protective tribofilm on the contact surface, results in significantly enhanced friction-reducing and wear-resistant properties. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Engineering & Performance is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 193859298
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Preparation and Tribological Performance Analysis of Calcium Borate/Graphene Lubricant Additives.
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  Data: <searchLink fieldCode="AR" term="%22Hou%2C+Xianbin%22">Hou, Xianbin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guo%2C+Jingyao%22">Guo, Jingyao</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yan%2C+Songyin%22">Yan, Songyin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> ysymsaysy@126.com</i><br /><searchLink fieldCode="AR" term="%22Tang%2C+Huahao%22">Tang, Huahao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Runze%22">Liu, Runze</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dai%2C+Leyang%22">Dai, Leyang</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> daileyang@jmu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Weiwei%22">Wang, Weiwei</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lao%2C+Chunbang%22">Lao, Chunbang</searchLink><relatesTo>4</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Engineering+%26+Performance%22">Journal of Materials Engineering & Performance</searchLink>. May2026, Vol. 35 Issue 19, p19174-19194. 21p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Lubricant+additives%22">Lubricant additives</searchLink><br /><searchLink fieldCode="DE" term="%22Graphene%22">Graphene</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+alloying%22">Mechanical alloying</searchLink><br /><searchLink fieldCode="DE" term="%22Marine+diesel+motors%22">Marine diesel motors</searchLink><br /><searchLink fieldCode="DE" term="%22Wear+resistance%22">Wear resistance</searchLink><br /><searchLink fieldCode="DE" term="%22Friction+losses%22">Friction losses</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Marine diesel engines operate under extreme conditions characterized by high temperatures and heavy loads, leading to significant friction and wear-related losses. The incorporation of lubricant additives has proven effective in enhancing the anti-friction and anti-wear properties of base oils, with certain additives even demonstrating self-healing capabilities. In this study, calcium borate (CB)/graphene (Gr) composite lubricant additives (1# lubricant additive) were synthesized through plasma-assisted ball milling, using Gr and CB as primary materials and oleic acid as a surface modifier. To further investigate the synthesis process, a second set of additives (2# lubricant additive) was prepared using expanded graphite in place of Gr under the same conditions. The microstructure and surface chemistry of both additive types were characterized through scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR), Raman spectroscopy, and x-ray diffraction (XRD). Tribological performance was evaluated at varying temperatures using a reciprocating friction and wear tester. The results indicate that plasma-assisted ball milling effectively exfoliates expanded graphite into Gr while simultaneously facilitating surface modification. Furthermore, the synergistic interaction between CB and Gr, as well as the formation of a protective tribofilm on the contact surface, results in significantly enhanced friction-reducing and wear-resistant properties. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Materials Engineering & Performance is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11665-025-13009-0
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        Text: English
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      – SubjectFull: Lubricant additives
        Type: general
      – SubjectFull: Graphene
        Type: general
      – SubjectFull: Mechanical alloying
        Type: general
      – SubjectFull: Marine diesel motors
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      – SubjectFull: Wear resistance
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      – SubjectFull: Friction losses
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      – TitleFull: Preparation and Tribological Performance Analysis of Calcium Borate/Graphene Lubricant Additives.
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            NameFull: Tang, Huahao
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              M: 05
              Text: May2026
              Type: published
              Y: 2026
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