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ELECTRIC STATIC CHARGE GENERATED FROM THE SLIDING OF POLYMERS AGAINST STAINLESS STEEL

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Last updated: 25 Dec 2024

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Abstract

ABSTRACT
The increase of  polymeric materials use in engineering application necessitates to study their triboelectrification behaviour during friction. Experiments were carried out to measure the electric static charge generated from the friction of different polymeric {polyamide (PA 6), graphite filled polyamide (GPA 6), polyethylene terephthalate, (PET), polytetrafluoroethylene, (PTFE) and polymethyl methacrylate, (PMMA)} sliding against stainless steel at 60 and 180 N load. The test was carried out at water, salt water and oil lubricated sliding surfaces.
 
It was found that voltage generated from the sliding of PA 6 lubricated by oil against stainless steel showed the highest voltage, while that lubricated by water and salt water showed the lowest voltage. Significant voltage increase was observed with load increase. Water lubricated surfaces displayed the highest voltage values followed by salt water. Oil lubricated surfaces showed the lowest voltage. GPA 6 displayed relatively higher generated voltage than PA 6. Salt water showed the highest voltage followed by water, while oil showed very low voltage. It can be suggested that the presence of graphite in the matrix of PA 6 enhanced its electrical conductivity and homogeneously distributed the electric static charged generated on the surface. Besides, GPA 6 was more sensitive to salt water where the highest voltage was generated.
 
Voltage generated from the sliding of PET against stainless steel showed relatively lower values than that observed for PA 6 and GPA 6. This observation can explain the good tribological  properties of PET. The voltage generated from PTFE was influenced by material transfer and transfer back from PTFE to steel surfaces. PMMA displayed relatively high voltage values, where water and salt water produced higher values than oil lubricated surface. As the load increased surfaces lubricated by salt water recorded the maximum voltage values (200 V).

DOI

10.21608/jest.2014.80280

Keywords

Triboelectric static charge, polymers, stainless steel

Authors

First Name

A.

Last Name

Alahmadi

MiddleName

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Affiliation

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

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First Name

M. K.

Last Name

Mohamed

MiddleName

-

Affiliation

Faculty of Engineering, Minia University, P. N. 61111, El-Minia, EGYPT,, 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, Minia University, P. N. 61111, El-Minia, EGYPT,, Faculty of Engineering, Taif University, Al –Taif, SAUDI ARABIA.

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Volume

11

Article Issue

1

Related Issue

12047

Issue Date

2014-01-01

Receive Date

2013-09-26

Publish Date

2014-01-01

Page Start

24

Page End

34

Print ISSN

2090-5882

Online ISSN

2090-5955

Article File

JEST_Volume 11_Issue 1_Pages 24-34.pdf

PDF . 580.5kB

Link

https://jest.journals.ekb.eg/article_80280.html

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https://jest.journals.ekb.eg/service?article_code=80280

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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

ELECTRIC STATIC CHARGE GENERATED FROM THE SLIDING OF POLYMERS AGAINST STAINLESS STEEL

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Article

Created At

22 Jan 2023