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206999

ELECTROSTATIC CHARGE GENERATED FROM SLIDING OF RUBBER ON EPOXY FILLED BY RECYCLED RUBBER GRANULATES

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Last updated: 25 Dec 2024

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Abstract

Floor materials made of epoxy resins were filled by recycled rubber granulates and paraffin oil to reduce their brittleness. The present study measures the electrostatic charge (ESC) generated from the dry sliding of rubber shoe on the proposed composites. The function of the oil that filled the composites in contents of 5.0 and 10.0 wt. % was to enhance the viscoelastic property. Different sizes of recycled rubber granulates were used as filling material in contents of 20, 40, 60 and 80 wt. %. The proposed composites slid against rubber surface at different normal loads, where coefficient of friction was determined.
 
It was found that ESC generated on rubber sole sliding on epoxy filled by recycled rubber particles increased with increasing normal load due to the increased contact area.  As the rubber content increased, the number of surface asperities increased leading to the increase of friction that increased the triboelectrified contact area. It is observed that particle size of rubber granulates significantly affected ESC. As the particle size increased, the deformation of rubber asperities increased the friction and therefore ESC increased. The minimum ESC values were measured for composites filled by 80 wt. % rubber of particle size up to 3.0 mm and 10 wt. % oil. Therefore, that composites can be recommended in floor tile applications.  

DOI

10.21608/jest.2021.206999

Keywords

floor, rubber shoe, Epoxy, recycled rubber, paraffin oil

Authors

First Name

S. M.

Last Name

Eman

MiddleName

-

Affiliation

Faculty of Engineering, Minia University, P. N. 61111, El-Minia, EGYPT.

Email

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City

-

Orcid

-

First Name

M. I.

Last Name

Khashaba

MiddleName

-

Affiliation

Faculty of Engineering, Minia University, P. N. 61111, El-Minia, EGYPT.

Email

-

City

-

Orcid

-

First Name

Eyad

Last Name

M. A.

MiddleName

-

Affiliation

Faculty of Engineering, Minia University, P. N. 61111, El-Minia, EGYPT.

Email

-

City

-

Orcid

-

First Name

W. Y.

Last Name

Ali

MiddleName

-

Affiliation

Faculty of Engineering, Minia University, P. N. 61111, El-Minia, EGYPT.

Email

-

City

-

Orcid

-

Volume

18

Article Issue

4

Related Issue

29148

Issue Date

2021-10-01

Receive Date

2021-08-22

Publish Date

2021-10-01

Page Start

45

Page End

54

Print ISSN

2090-5882

Online ISSN

2090-5955

Article File

JEST_Volume 18_Issue 4_Pages 45-54.pdf

PDF . 499.0kB

Link

https://jest.journals.ekb.eg/article_206999.html

Detail API

https://jest.journals.ekb.eg/service?article_code=206999

Order

5

Type

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

ELECTROSTATIC CHARGE GENERATED FROM SLIDING OF RUBBER ON EPOXY FILLED BY RECYCLED RUBBER GRANULATES

Details

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Article

Created At

22 Jan 2023