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79488

INFLUENCE OF PRE-TRIBOELECTRIFICATION ON FRICTION COEFFICIENT DISPLAYED BY POLYMERIC MATERIALS

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Last updated: 04 Jan 2025

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Abstract

The present work aims to investigate the influence of pre-triboelectrification on friction coefficient displayed by polymeric materials by sliding of PP on PET at dry sliding. Thin sheets of steel, aluminium (AL) film, carbon fibres (CF), steel textile, copper textile and steel fibres were inserted behind PP to guarantee good distribution of ESC generated from friction on PET sheet.
 
The experiments showed thatPET provided by thin steel sheets displayed the highest friction values followed by steel textiles, CF, copper textiles, steel fibres and aluminium film. When PET surface was rubbed by PA and gained negative ESC, friction coefficient represented relatively lower values than that recorded in the first condition, while PET surface rubbed by PTFE gained positive ESC, followed by extra ESC generated from rubbing with PP gave the highest friction values.
 
ESC generated on the PET surface significantly increased with increasing normal load and slightly increased with increasing the sliding distance. The highest values of ESC were recorded by inserting steel fibres in the back of PET sheet followed by copper textile and steel sheet, while Al film under PET sheet showed no effect on ESC generated on the two sliding surfaces. The same trend was observed for ESC generated from PP and PET when CF and steel textiles were inserted behind PET.

DOI

10.21608/jest.2017.79488

Keywords

Electrostatic charge, Friction coefficient, carbon fibres, copper textiles, steel sheet, polypropylene, polyester, polyamide, polytetrafluoroethylene

Authors

First Name

A. S.

Last Name

Ali

MiddleName

-

Affiliation

Petrojet Company, Cairo, Egypt,

Email

eng_ahmed_yossef@hotmail.com

City

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Orcid

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First Name

W. Y.

Last Name

Ali

MiddleName

-

Affiliation

Production Engineering and Mechanical Design Department, Faculty of Engineering, SMinia University, Egypt.

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Volume

14

Article Issue

4

Related Issue

11866

Issue Date

2017-10-01

Receive Date

2017-09-05

Publish Date

2017-10-01

Page Start

54

Page End

70

Print ISSN

2090-5882

Online ISSN

2090-5955

Article File

JEST_Volume 14_Issue 4_Pages 54-70.pdf

PDF . 970.6kB

Link

https://jest.journals.ekb.eg/article_79488.html

Detail API

https://jest.journals.ekb.eg/service?article_code=79488

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5

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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 PRE-TRIBOELECTRIFICATION ON FRICTION COEFFICIENT DISPLAYED BY POLYMERIC MATERIALS

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Article

Created At

22 Jan 2023