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Friction and wear characteristics correlating the fiber reinforcement percentage of carbon-carbon (C/C) composites solely developed from petroleum pitch matrices were investigated. This study exhibits the tribo-characteristics of C/C composites developed in a single-step carbonization process for varying loads for the first time without a reimpregnation process. A pin-on-disc tribometer with a sliding speed of 0.5 m/s and loads of 5, 10, and 20 N with a flat tool grade stainless steel pin as a static partner was employed. Further, polarized light optical and scanning electron microscopes (SEM) were utilized for a morphological analysis. Elastic modulus and strength were determined by a compression test. A result analysis is conducted to analyze sliding wear accompanied with minor abrasion. The composites with a high percentage of reinforcement exhibit credible wear resistance and mechanical robustness.


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Friction and wear characteristics of robust carbon-carbon composites developed solely from petroleum pitch without reimpregnation

Show Author's information Shishobhan SHARMA1( )Bharat PATEL2Rasmika PATEL1
Department of Materials Science, Sardar Patel University, Vallabh Vidyanagar, Anand, Gujarat 380012, India
Kana Advanced Composites Industry, POR, Vadodara, Gujarat 380012, India

Abstract

Friction and wear characteristics correlating the fiber reinforcement percentage of carbon-carbon (C/C) composites solely developed from petroleum pitch matrices were investigated. This study exhibits the tribo-characteristics of C/C composites developed in a single-step carbonization process for varying loads for the first time without a reimpregnation process. A pin-on-disc tribometer with a sliding speed of 0.5 m/s and loads of 5, 10, and 20 N with a flat tool grade stainless steel pin as a static partner was employed. Further, polarized light optical and scanning electron microscopes (SEM) were utilized for a morphological analysis. Elastic modulus and strength were determined by a compression test. A result analysis is conducted to analyze sliding wear accompanied with minor abrasion. The composites with a high percentage of reinforcement exhibit credible wear resistance and mechanical robustness.

Keywords: friction, microstructure, carbon, sliding wear, composite, pitch, characterization

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Publication history

Received: 25 December 2018
Revised: 16 May 2019
Accepted: 01 July 2019
Published: 28 September 2019
Issue date: October 2020

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© The author(s) 2019

Acknowledgements

This work was supported by the Department of Science and Technology, India, under the Innovation in Science Pursuit for Inspired Research (INSPIRE) fellowship program, 2016 (No. IF160293).

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