Molecular dynamics simulation and experimental investigation of tribological behavior of nanodiamonds in aqueous suspensions

Rouhollah Mirzaamiri; Saleh Akbarzadeh; Saeed Ziaei-Rad; Dong Gap Shin; Dae Eun Kim

doi:10.1016/j.triboint.2020.106838

Molecular dynamics simulation and experimental investigation of tribological behavior of nanodiamonds in aqueous suspensions

Rouhollah Mirzaamiri, Saleh Akbarzadeh, Saeed Ziaei-Rad, Dong Gap Shin, Dae Eun Kim

Department of Mechanical Engineering

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

6 Citations (Scopus)

Abstract

The tribological performance of nanodiamonds (ND) in aqueous suspensions was investigated via experiments and molecular dynamics (MD) simulations. The results indicated that the introduction of ND significantly improved the naturally poor lubrication ability of water. The best performance was characterized by reductions of 70% and 88% in friction and wear, respectively. The enhancement of the tribological performance was mainly attributed to the ball-bearing effect of the ND. The rolling motion of the nanodiamond particles was verified by MD simulation. Moreover, results indicated that the lubrication quality of the ND was affected by the sonication process in the nano lubricant preparation.

Original language	English
Article number	106838
Journal	Tribology International
Volume	156
DOIs	https://doi.org/10.1016/j.triboint.2020.106838
Publication status	Published - 2021 Apr

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2020R1A2C2004714 ). The second and third authors are grateful to Iranian National Science Foundation (INSF) for the support of this work under project number 940004 .

Publisher Copyright:
© 2021 Elsevier Ltd

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Surfaces and Interfaces
Surfaces, Coatings and Films

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10.1016/j.triboint.2020.106838

Cite this

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title = "Molecular dynamics simulation and experimental investigation of tribological behavior of nanodiamonds in aqueous suspensions",

abstract = "The tribological performance of nanodiamonds (ND) in aqueous suspensions was investigated via experiments and molecular dynamics (MD) simulations. The results indicated that the introduction of ND significantly improved the naturally poor lubrication ability of water. The best performance was characterized by reductions of 70% and 88% in friction and wear, respectively. The enhancement of the tribological performance was mainly attributed to the ball-bearing effect of the ND. The rolling motion of the nanodiamond particles was verified by MD simulation. Moreover, results indicated that the lubrication quality of the ND was affected by the sonication process in the nano lubricant preparation.",

author = "Rouhollah Mirzaamiri and Saleh Akbarzadeh and Saeed Ziaei-Rad and Shin, {Dong Gap} and Kim, {Dae Eun}",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2020R1A2C2004714 ). The second and third authors are grateful to Iranian National Science Foundation (INSF) for the support of this work under project number 940004 . Publisher Copyright: {\textcopyright} 2021 Elsevier Ltd",

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doi = "10.1016/j.triboint.2020.106838",

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AU - Mirzaamiri, Rouhollah

AU - Akbarzadeh, Saleh

AU - Ziaei-Rad, Saeed

AU - Shin, Dong Gap

AU - Kim, Dae Eun

N1 - Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2020R1A2C2004714 ). The second and third authors are grateful to Iranian National Science Foundation (INSF) for the support of this work under project number 940004 . Publisher Copyright: © 2021 Elsevier Ltd

PY - 2021/4

Y1 - 2021/4

N2 - The tribological performance of nanodiamonds (ND) in aqueous suspensions was investigated via experiments and molecular dynamics (MD) simulations. The results indicated that the introduction of ND significantly improved the naturally poor lubrication ability of water. The best performance was characterized by reductions of 70% and 88% in friction and wear, respectively. The enhancement of the tribological performance was mainly attributed to the ball-bearing effect of the ND. The rolling motion of the nanodiamond particles was verified by MD simulation. Moreover, results indicated that the lubrication quality of the ND was affected by the sonication process in the nano lubricant preparation.

AB - The tribological performance of nanodiamonds (ND) in aqueous suspensions was investigated via experiments and molecular dynamics (MD) simulations. The results indicated that the introduction of ND significantly improved the naturally poor lubrication ability of water. The best performance was characterized by reductions of 70% and 88% in friction and wear, respectively. The enhancement of the tribological performance was mainly attributed to the ball-bearing effect of the ND. The rolling motion of the nanodiamond particles was verified by MD simulation. Moreover, results indicated that the lubrication quality of the ND was affected by the sonication process in the nano lubricant preparation.

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Molecular dynamics simulation and experimental investigation of tribological behavior of nanodiamonds in aqueous suspensions

Abstract

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