Tribological and rheological evaluation of a graphene nanosheets-based lubricant for metal-on-metal and wet clutch interfaces

Julio A. Cao-Romero-Gallegos; Leonardo I. Farfan-Cabrera; José Pérez-González; Benjamín M. Marín-Santibáñez

doi:10.1016/j.matlet.2021.131441

Tribological and rheological evaluation of a graphene nanosheets-based lubricant for metal-on-metal and wet clutch interfaces

Julio A. Cao-Romero-Gallegos, Leonardo I. Farfan-Cabrera, José Pérez-González, Benjamín M. Marín-Santibáñez

Escuela Superior de Física y Matemáticas (ESFM)

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

7 Scopus citations

Abstract

The tribological and rheological behavior of mineral oil (MO) additivated with graphene nano-sheets (GNS) as lubricant in metal-on-metal interfaces and actual wet clutch materials was analyzed in this work with a focus on its potential use in automatic transmission (AT) systems. Lubricants prepared with different GNS concentrations (0.1, 0.5, 1.0 w/v%) in MO were evaluated in shear flow (viscosity changes) and by ball-on-disc measurements. Besides, thermogravimetric analysis and wet clutch friction tests at 26 and 100 °C were performed. Overall, the GNS addition to MO made the lubricants non-Newtonian shear-thinning and increased their viscosity at high shear rates, reduced the wear rate for the metallic interfaces tested, and enhanced the thermal stability and oil anti-shudder property of the wet clutch.

Translated title of the contribution	Evaluación tribológica y reológica de un lubricante a base de nanoláminas de grafeno para interfaces de embrague húmedo y metal sobre metal
Original language	English
Article number	131441
Journal	Materials Letters
Volume	309
DOIs	https://doi.org/10.1016/j.matlet.2021.131441
State	Published - 15 Feb 2022

Keywords

Anti-shudder
Graphene
Nanolubricant
Pin-on-disc
Rheology
Wet clutch

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10.1016/j.matlet.2021.131441

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title = "Tribological and rheological evaluation of a graphene nanosheets-based lubricant for metal-on-metal and wet clutch interfaces",

abstract = "The tribological and rheological behavior of mineral oil (MO) additivated with graphene nano-sheets (GNS) as lubricant in metal-on-metal interfaces and actual wet clutch materials was analyzed in this work with a focus on its potential use in automatic transmission (AT) systems. Lubricants prepared with different GNS concentrations (0.1, 0.5, 1.0 w/v%) in MO were evaluated in shear flow (viscosity changes) and by ball-on-disc measurements. Besides, thermogravimetric analysis and wet clutch friction tests at 26 and 100 °C were performed. Overall, the GNS addition to MO made the lubricants non-Newtonian shear-thinning and increased their viscosity at high shear rates, reduced the wear rate for the metallic interfaces tested, and enhanced the thermal stability and oil anti-shudder property of the wet clutch.",

keywords = "Anti-shudder, Graphene, Nanolubricant, Pin-on-disc, Rheology, Wet clutch",

author = "Cao-Romero-Gallegos, {Julio A.} and Farfan-Cabrera, {Leonardo I.} and Jos{\'e} P{\'e}rez-Gonz{\'a}lez and Mar{\'i}n-Santib{\'a}{\~n}ez, {Benjam{\'i}n M.}",

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doi = "10.1016/j.matlet.2021.131441",

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T1 - Tribological and rheological evaluation of a graphene nanosheets-based lubricant for metal-on-metal and wet clutch interfaces

AU - Cao-Romero-Gallegos, Julio A.

AU - Farfan-Cabrera, Leonardo I.

AU - Pérez-González, José

AU - Marín-Santibáñez, Benjamín M.

PY - 2022/2/15

Y1 - 2022/2/15

N2 - The tribological and rheological behavior of mineral oil (MO) additivated with graphene nano-sheets (GNS) as lubricant in metal-on-metal interfaces and actual wet clutch materials was analyzed in this work with a focus on its potential use in automatic transmission (AT) systems. Lubricants prepared with different GNS concentrations (0.1, 0.5, 1.0 w/v%) in MO were evaluated in shear flow (viscosity changes) and by ball-on-disc measurements. Besides, thermogravimetric analysis and wet clutch friction tests at 26 and 100 °C were performed. Overall, the GNS addition to MO made the lubricants non-Newtonian shear-thinning and increased their viscosity at high shear rates, reduced the wear rate for the metallic interfaces tested, and enhanced the thermal stability and oil anti-shudder property of the wet clutch.

AB - The tribological and rheological behavior of mineral oil (MO) additivated with graphene nano-sheets (GNS) as lubricant in metal-on-metal interfaces and actual wet clutch materials was analyzed in this work with a focus on its potential use in automatic transmission (AT) systems. Lubricants prepared with different GNS concentrations (0.1, 0.5, 1.0 w/v%) in MO were evaluated in shear flow (viscosity changes) and by ball-on-disc measurements. Besides, thermogravimetric analysis and wet clutch friction tests at 26 and 100 °C were performed. Overall, the GNS addition to MO made the lubricants non-Newtonian shear-thinning and increased their viscosity at high shear rates, reduced the wear rate for the metallic interfaces tested, and enhanced the thermal stability and oil anti-shudder property of the wet clutch.

KW - Anti-shudder

KW - Graphene

KW - Nanolubricant

KW - Pin-on-disc

KW - Rheology

KW - Wet clutch

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DO - 10.1016/j.matlet.2021.131441

M3 - Artículo

AN - SCOPUS:85120971598

SN - 0167-577X

VL - 309

JO - Materials Letters

JF - Materials Letters

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ER -

Tribological and rheological evaluation of a graphene nanosheets-based lubricant for metal-on-metal and wet clutch interfaces

Abstract

Keywords

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