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79060

ABRASIVE WEAR RESISTANCE OF POLYMERS REINFORCED BY SILICON CARBIDE NANOFIBERS

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Last updated: 25 Dec 2024

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Abstract

Scratch test was carried out to investigate the abrasion wear resistance gained by the polymeric composites. They were polymethyl methacrylate (PMMA), low density polyethylene (LDPE), high density polyethylene (HDPE), polypropylene (PP) and epoxy epoxy reinforced by silicon oxide nanofibers (SiCNF). Experiments were carried out using normal loads of 5, 10, and 15 N. The experiments showed that PMMA composites displayed the highest friction and lowest wear values among the tested polymers, while the minimum friction values were observed at unfilled PMMA. The improvement in friction and wear may be attributed to the resistance to scratch gained by composites reinforced by SiCNF. The decreasing behavior can reflex the increase of abrasive wear resistance offered by SiCNF. Further increase of SiCNF up to 0.5 wt. % increased wear due to the drop in cohesion of the matrix. Frictioncoefficient increased to maximum showing that composites resisted scratch by the gained strength due to SiCNF reinforcement, while reached minimumvalues mostly at higher SiCNF content as result of the drop of the cohesion of the polymeric matrix. Besides, the deterioration of wear at SiCNF content higher than 0.5 wt. % may be attributed by the agglomeration of SiCNF inside the polymeric matrix that influenced the tribological behavior of composites. Homogeneous mixing and good dispersion procedures are recommended.

DOI

10.21608/jest.2019.79060

Keywords

Silicon carbide nanofibers, reinforcement, polymethyl methacrylate, Epoxy, Low density polyethylene, high density polyethylene, polypropylene, composites, Wear, Friction coefficient

Authors

First Name

M. E.

Last Name

Marzouk

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Affiliation

Department of Production engineering and Mechanical Design, Faculty of Engineering, Minia University, El-Minia, EGYPT.

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First Name

W. Y.

Last Name

Ali

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Affiliation

Department of Production engineering and Mechanical Design, Faculty of Engineering, Minia University, El-Minia, EGYPT.

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Volume

16

Article Issue

3

Related Issue

11817

Issue Date

2019-07-01

Receive Date

2019-01-21

Publish Date

2019-07-01

Page Start

36

Page End

47

Print ISSN

2090-5882

Online ISSN

2090-5955

Article File

JEST_Volume 16_Issue 3_Pages 36-47.pdf

PDF . 438.0kB

Link

https://jest.journals.ekb.eg/article_79060.html

Detail API

https://jest.journals.ekb.eg/service?article_code=79060

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4

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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

ABRASIVE WEAR RESISTANCE OF POLYMERS REINFORCED BY SILICON CARBIDE NANOFIBERS

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Article

Created At

22 Jan 2023