Tribological properties of CaCO 3 nanoparticles as an additive in lithium grease

Xianbing Ji; Yinxia Chen; Gaiqing Zhao; Xiaobo Wang; Weimin Liu

doi:10.1007/s11249-010-9688-z

Tribological properties of CaCO ₃ nanoparticles as an additive in lithium grease

Xianbing Ji, Yinxia Chen, Gaiqing Zhao, Xiaobo Wang, Weimin Liu

Research output: Contribution to journal › Article › peer-review

158 Scopus citations

Abstract

CaCO ₃ nanoparticles with an average size of 45 nm were synthesized via the carbonation method. The tribological properties of the CaCO ₃ nanoparticles as an additive in lithium grease were evaluated with a four-ball tester. The results show that these CaCO ₃ nanoparticles exhibit good performance in anti-wear and friction-reduction, load-carrying capacity, and extreme pressure properties. The action mechanism was estimated through analysis of the worn surface with X-ray photoelectron spectroscopy (XPS) and scanning electron microscope (SEM). The results indicate that a boundary film mainly composed of CaCO ₃, CaO, iron oxide, and other organic compounds was formed on the worn surface during the friction process.

Original language	English
Pages (from-to)	113-119
Number of pages	7
Journal	Tribology Letters
Volume	41
Issue number	1
DOIs	https://doi.org/10.1007/s11249-010-9688-z
State	Published - Jan 2011
Externally published	Yes

Keywords

CaCO nanoparticles
Lithium grease
Lubricant additives
Nanotribology

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10.1007/s11249-010-9688-z

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title = "Tribological properties of CaCO 3 nanoparticles as an additive in lithium grease",

abstract = "CaCO 3 nanoparticles with an average size of 45 nm were synthesized via the carbonation method. The tribological properties of the CaCO 3 nanoparticles as an additive in lithium grease were evaluated with a four-ball tester. The results show that these CaCO 3 nanoparticles exhibit good performance in anti-wear and friction-reduction, load-carrying capacity, and extreme pressure properties. The action mechanism was estimated through analysis of the worn surface with X-ray photoelectron spectroscopy (XPS) and scanning electron microscope (SEM). The results indicate that a boundary film mainly composed of CaCO 3, CaO, iron oxide, and other organic compounds was formed on the worn surface during the friction process.",

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author = "Xianbing Ji and Yinxia Chen and Gaiqing Zhao and Xiaobo Wang and Weimin Liu",

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T1 - Tribological properties of CaCO 3 nanoparticles as an additive in lithium grease

AU - Ji, Xianbing

AU - Chen, Yinxia

AU - Zhao, Gaiqing

AU - Wang, Xiaobo

AU - Liu, Weimin

PY - 2011/1

Y1 - 2011/1

N2 - CaCO 3 nanoparticles with an average size of 45 nm were synthesized via the carbonation method. The tribological properties of the CaCO 3 nanoparticles as an additive in lithium grease were evaluated with a four-ball tester. The results show that these CaCO 3 nanoparticles exhibit good performance in anti-wear and friction-reduction, load-carrying capacity, and extreme pressure properties. The action mechanism was estimated through analysis of the worn surface with X-ray photoelectron spectroscopy (XPS) and scanning electron microscope (SEM). The results indicate that a boundary film mainly composed of CaCO 3, CaO, iron oxide, and other organic compounds was formed on the worn surface during the friction process.

AB - CaCO 3 nanoparticles with an average size of 45 nm were synthesized via the carbonation method. The tribological properties of the CaCO 3 nanoparticles as an additive in lithium grease were evaluated with a four-ball tester. The results show that these CaCO 3 nanoparticles exhibit good performance in anti-wear and friction-reduction, load-carrying capacity, and extreme pressure properties. The action mechanism was estimated through analysis of the worn surface with X-ray photoelectron spectroscopy (XPS) and scanning electron microscope (SEM). The results indicate that a boundary film mainly composed of CaCO 3, CaO, iron oxide, and other organic compounds was formed on the worn surface during the friction process.

KW - CaCO nanoparticles

KW - Lithium grease

KW - Lubricant additives

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Tribological properties of CaCO ₃ nanoparticles as an additive in lithium grease

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Keywords

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