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81021

FRICTION AND WEAR OF MOVING SURFACES IN ABRASIVE CONTAMINATED ENVIRONMENT

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Last updated: 04 Jan 2025

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Abstract

ABSTRACT
In the present work, graphite (C) and polymethyl  methacrylate (PMMA) were used as solid lubricants dispersed in lithium grease. Their effect on friction and wear of moving surfaces contaminated by solid contaminants in the cement plant is discussed. The tests were carried out at sliding velocity of 0.5 m/s and load of 10 N. The rotating specimens were greased before the test and further greasing was carried out every 30 second during the test. The test time was 5 minutes. The wear scar diameter was measured for the upper stationary pin by using an optical microscope with an accuracy of ± 1.0 µm. Experiments were carried out at 25 °C. Based on the experimental results , it was found that, graphite caused slight increase in friction and significant reduction of wear, while PMMA in most case causes decrease in friction and wear. Besides, wear and friction decreased with increasing oil content in grease, Wear and friction decreased with increasing PMMA. Graphite displayed low wear and The friction coefficient increases gradually when  graphite content  increased.

DOI

10.21608/jest.2011.81021

Keywords

Friction, Wear, grease, solid contaminants, cements plant, graphite, polymethyl methacrylate

Authors

First Name

M. K.

Last Name

Mohamed

MiddleName

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Affiliation

Faculty of Engineering, Taif University, Saudi Arabia.

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Orcid

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First Name

A. S.

Last Name

Al-Osaimy

MiddleName

-

Affiliation

Faculty of Engineering, Taif University, Saudi Arabia.

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First Name

W. Y.

Last Name

Ali

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-

Affiliation

Faculty of Engineering, Taif University, Saudi Arabia.

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Volume

8

Article Issue

4

Related Issue

12185

Issue Date

2011-10-01

Receive Date

2011-06-16

Publish Date

2011-10-01

Page Start

25

Page End

34

Print ISSN

2090-5882

Online ISSN

2090-5955

Article File

JEST_Volume 8_Issue 4_Pages 25-34.pdf

PDF . 509.5kB

Link

https://jest.journals.ekb.eg/article_81021.html

Detail API

https://jest.journals.ekb.eg/service?article_code=81021

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Original Article

Type Code

1,211

Publication Type

Journal

Publication Title

Journal of the Egyptian Society of Tribology

Publication Link

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

MainTitle

FRICTION AND WEAR OF MOVING SURFACES IN ABRASIVE CONTAMINATED ENVIRONMENT

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Article

Created At

22 Jan 2023