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79542

FRICTION BEHAVIOR OF HYBRID COMPOSITES FILLED BY TITANIUM DIOXIDE NANOPARTICLES

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Last updated: 25 Dec 2024

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Abstract

The objectives of the present work are to evaluate the effect of curing times, titanium dioxide nanoparticles and normal loads on the friction coefficient of hybrid composite resin filled by titanium dioxide nanoparticles. Four sets of composite resin specimens are prepared; one without filling material and three sets filled with TiO2 nanoparticles in contents of 0.1, 0.2 and 0.3 wt. %. Composites resin is manually blended with titanium dioxide nanoparticles. Then the mixture is packed into plastic tubes. The specimens are then polymerized from both sides for 10, 20, 40, 60 and 80 seconds using light emitting diode source. To determine the friction coefficient, all specimens are tested with reciprocating sliding apparatus at room temperature.  The test conditions are; time = 1 minute, 60 stroke/minute and load = 6, 8, 10, 12 and 14 N. Results show that the friction coefficient is found to decrease with increasing curing time at all values of the normal load. The friction coefficient of the studied hybrid composite is decreased gradually by adding 0.1, 0.2 and 0.3 wt. % of titanium dioxide nanoparticles. Also, friction coefficient of the tested specimens is significantly affected by the normal load. Based on these results, it may be concluded that friction coefficient of the tested specimens is dependent on the curing times, TiO2 nanoparticles content and normal load.

DOI

10.21608/jest.2017.79542

Keywords

curing times, dental nanocomposite, Friction coefficient, Titanium dioxide, Nanoparticles, hybrid composite resin, normal load, reciprocating

Authors

First Name

A. A.

Last Name

Meshref

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Affiliation

Department of Production Engineering & Design, Faculty of Engineering, Minia University, EGYPT.

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Orcid

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First Name

A. A.

Last Name

Mazen

MiddleName

-

Affiliation

Department of Production Engineering & Design, Faculty of Engineering, Minia University, EGYPT.

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City

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Orcid

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First Name

M. A.

Last Name

El-Giushi

MiddleName

-

Affiliation

Department of Production Engineering & Design, Faculty of Engineering, Minia University, EGYPT.

Email

-

City

-

Orcid

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First Name

W. Y.

Last Name

Ali

MiddleName

-

Affiliation

Department of Production Engineering & Design, Faculty of Engineering, Minia University, EGYPT.

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Orcid

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Volume

14

Article Issue

1

Related Issue

11869

Issue Date

2017-01-01

Receive Date

2016-07-21

Publish Date

2017-01-01

Page Start

40

Page End

50

Print ISSN

2090-5882

Online ISSN

2090-5955

Article File

JEST_Volume 14_Issue 1_Pages 40-50.pdf

PDF . 383.4kB

Link

https://jest.journals.ekb.eg/article_79542.html

Detail API

https://jest.journals.ekb.eg/service?article_code=79542

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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

FRICTION BEHAVIOR OF HYBRID COMPOSITES FILLED BY TITANIUM DIOXIDE NANOPARTICLES

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Article

Created At

22 Jan 2023