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98156

ANTI-WEAR EFFECT AND THE ROLE OF DISPERSION TEMPERATURE OF NANOFLUIDS CONTAINING AL2O3 NANO-ADDITIVES

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Last updated: 04 Jan 2025

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Abstract

The present investigation is focusing on the enhancement of the tribological performance of 20W-50 engine oil by the addition of Al2O3 nanoparticles. The anti-wear properties of engine oil have been tested under different sliding speeds 0.84, 1.26, 1.68, 2.1, and 2.52  m/s and operating temperature of 50, 75, and 100˚C using a tribometer with stainless steel disc and plate to simulate the working conditions in the engine. The experiments have been performed on the samples lubricated by different nanofluids prepared by dispersing the nanoparticles at three different mixed temperatures of 50ºC, 100ºC, and 150ºC. The study concluded that the lowest wear rate is achieved when the sliding surfaces were lubricated by the nanofluids mixed at temperature of 50°C. It can be found that the wear rate reduces by 34.4% during the lubrication by nanofluid containing 0.4 wt.% of Al2O3 nanoparticles content. It is also concluded that the increase in the mixing temperature could impede the dispersion of nanoparticles in the oil, in which the dispersion stability decreases.  

DOI

10.21608/jest.2020.98156

Keywords

wear rate, nano-lubricant additives, engine lubricant oil, Al2O3

Authors

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A.

Last Name

Nabhan

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Affiliation

Production Engineering and Mechanical Design Department, Faculty of Engineering, Minia University, El-Minia 61111, Egypt.

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First Name

A.

Last Name

Rashed

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Production Engineering and Mechanical Design Department, Faculty of Engineering, Minia University, El-Minia 61111, Egypt.

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Volume

17

Article Issue

3

Related Issue

14861

Issue Date

2020-07-01

Receive Date

2020-04-15

Publish Date

2020-07-01

Page Start

1

Page End

13

Print ISSN

2090-5882

Online ISSN

2090-5955

Article File

JEST_Volume 17_Issue 3_Pages 1-13.pdf

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https://jest.journals.ekb.eg/article_98156.html

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https://jest.journals.ekb.eg/service?article_code=98156

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Original Article

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1,211

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Journal

Publication Title

Journal of the Egyptian Society of Tribology

Publication Link

https://jest.journals.ekb.eg/

MainTitle

ANTI-WEAR EFFECT AND THE ROLE OF DISPERSION TEMPERATURE OF NANOFLUIDS CONTAINING AL2O3 NANO-ADDITIVES

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Article

Created At

22 Jan 2023