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80896

INFLUENCE OF MAGNETIC FIELD ON THE ACTION MECHANISM OF LUBRICANT ADDITIVES

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Last updated: 25 Dec 2024

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Abstract

ABSTRACT
The present work investigates the influence of magnetic field on the friction coefficient displayed by the sliding of steel pin on aluminium disc lubricated by paraffin oil and dispersed by different lubricant additives such as zinc dialkyldithiophosphates (ZDDP), molybdenum disulphide (MoS2), heteropolar organic based additive (CMOC), graphite (C), detergent additive (calcium sulphonate) (DA), polytetrafluroethylene (PTFE) and polymethyl methacrylate  (PMMA). Aluminium was used as friction counterface to reduce the magnetic force acting on the contact surfaces when the magnetic field was applying.
 
The present experiments showed that, for surfaces lubricated by paraffin oils free of additives friction coefficient increased with increasing applied load. As the magnetic field increased friction coefficient increased. In condition of application of magnetic field it was found that when the paraffin oil was dispersed by ZDDP, MoS2, DA and PTFE friction coefficient increased, while COMC, C and PMMA showed significant decrease in friction coefficient. Besides, the lowest values of friction coefficient were observed for PTFE particles dispersed in the oil.

DOI

10.21608/jest.2012.80896

Keywords

magnetic field, oil additives, polytetrafluroethylene, polymethyl methacrylate, molybdenum disulphide, zinc dialkyldithiophosphates, graphite, Friction coefficient, steel and aluminium

Authors

First Name

H.

Last Name

Zaini

MiddleName

-

Affiliation

Faculty of Engineering, Taif University, Al-Taif, SAUDI ARABIA.

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First Name

A.

Last Name

Alahmadi

MiddleName

-

Affiliation

Faculty of Engineering, Taif University, Al-Taif, SAUDI ARABIA.

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-

Orcid

-

First Name

W. Y.

Last Name

Ali

MiddleName

-

Affiliation

Faculty of Engineering, Taif University, Al-Taif, SAUDI ARABIA.

Email

-

City

-

Orcid

-

First Name

S.

Last Name

Abdel-Sattar

MiddleName

-

Affiliation

Faculty of Engineering, Taif University, Al-Taif, SAUDI ARABIA.

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Volume

9

Article Issue

2

Related Issue

12131

Issue Date

2012-04-01

Receive Date

2012-01-16

Publish Date

2012-04-01

Page Start

15

Page End

28

Print ISSN

2090-5882

Online ISSN

2090-5955

Article File

JEST_Volume 9_Issue 2_Pages 15-28.pdf

PDF . 519.1kB

Link

https://jest.journals.ekb.eg/article_80896.html

Detail API

https://jest.journals.ekb.eg/service?article_code=80896

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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

INFLUENCE OF MAGNETIC FIELD ON THE ACTION MECHANISM OF LUBRICANT ADDITIVES

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Article

Created At

25 Dec 2024