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79961

ELECTRIC STATIC CHARGE GENERATED FROM SLIDING OF EPOXY COMPOSITES REINFORCED BY COPPER WIRES AGAINST RUBBER

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Last updated: 25 Dec 2024

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Abstract

The present paper discusses the effects of reinforcing epoxy by copper wires of different diameters on the electric static charge generated from sliding against rubber sheet. Tests were carried out at dry, water and detergent wetted sliding. The effect of number of wires, location and wires diameter was studied.
 
Based on the experimental observations, it was found that at dry sliding, the voltage significantly increased with increasing the number of wires. As the sliding distance increased voltage increased. It is clearly noted that sliding generated higher voltage than that observed for contact and separation. Voltage decreased with increasing the distance of wire location from the surface. When the wires were closer to the surface, the ability of the surface to generate higher amount of charge increased. The increase in the wire diameter caused significant voltage increase. The influence of wire diameter was more pronounced than the number of wires as well as the location of wires relative to the surface.
 
At water wetted sliding, the presence of water decreased the electric static charge. It is well known that the water leaks the generated charge due to its good conductivity. In contradiction to what was observed at dry sliding, as the sliding distance increased the generated voltage decreased. It seems that sliding facilitated the water to be well distributed on the sliding surface so that the charge relaxation was easier.   

DOI

10.21608/jest.2015.79961

Keywords

electric static charge, Epoxy, wire coppers, sliding

Authors

First Name

I. A.

Last Name

Rehab

MiddleName

-

Affiliation

Faculty of Engineering, Minia University EI-Minia, EGYPT.

Email

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City

-

Orcid

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First Name

M. M.

Last Name

Mahmoud

MiddleName

-

Affiliation

Faculty of Engineering, Minia University EI-Minia, EGYPT.

Email

-

City

-

Orcid

-

First Name

A. T.

Last Name

Mohamed

MiddleName

-

Affiliation

Faculty of Engineering, Minia University EI-Minia, EGYPT.

Email

-

City

-

Orcid

-

First Name

W. Y.

Last Name

Ali

MiddleName

-

Affiliation

Faculty of Engineering, Minia University EI-Minia, EGYPT.

Email

-

City

-

Orcid

-

Volume

12

Article Issue

3

Related Issue

12009

Issue Date

2015-07-01

Receive Date

2015-03-10

Publish Date

2015-07-01

Page Start

28

Page End

39

Print ISSN

2090-5882

Online ISSN

2090-5955

Article File

JEST_Volume 12_Issue 3_Pages 28-39.pdf

PDF . 421.1kB

Link

https://jest.journals.ekb.eg/article_79961.html

Detail API

https://jest.journals.ekb.eg/service?article_code=79961

Order

3

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

ELECTRIC STATIC CHARGE GENERATED FROM SLIDING OF EPOXY COMPOSITES REINFORCED BY COPPER WIRES AGAINST RUBBER

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Article

Created At

22 Jan 2023