We investigated the wear resistance properties of high-frequency induction heat (HFIH) sintered alumina (Al2O3) ceramic nanocomposites containing various multilayer graphene (MLG) concentrations. The tribology of the monolithic Al2O3 and nanocomposites samples was assessed against spherical ceramic (Si3N4) counter sliding partner at sliding loads ranging from 6 to 40 N using ball-on-disk wear test configuration. Compared with the monolithic Al2O3, the incorporation of 1.0 vol % MLG reduced the friction coefficient by 25% and the wear rate by 65% in the MLG/Al2O3 nanocomposites tested under 40 N sliding load. Based on the mechanical properties, brittle index, and microstructure, the active wear mechanisms for the nanocomposites were analyzed. The MLG contributed in the nanocomposites tribology process, indirectly, by enhancing the mechanical properties and, directly, by reducing the friction between the counter sliding partners. The synergistic role of MLG thin triboflim and twirled MLG for improving the tribological performance of the nanocomposites is discussed.
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February 2019
Research-Article
Tribological Investigation of Multilayer Graphene Reinforced Alumina Ceramic Nanocomposites
Iftikhar Ahmad,
Iftikhar Ahmad
Center of Excellence for Research
in Engineering Materials,
Deanship of Scientific Research,
King Saud University,
P.O. Box 800,
Riyadh 11421, Saudi Arabia
e-mail: ifahmad@ksu.edu.sa
in Engineering Materials,
Deanship of Scientific Research,
King Saud University,
P.O. Box 800,
Riyadh 11421, Saudi Arabia
e-mail: ifahmad@ksu.edu.sa
Search for other works by this author on:
Saqib Anwar,
Saqib Anwar
Industrial Engineering Department,
College of Engineering,
King Saud University,
Riyadh 11421, Saudi Arabia
College of Engineering,
King Saud University,
Riyadh 11421, Saudi Arabia
Search for other works by this author on:
Fang Xu,
Fang Xu
Department of Mechanical,
Materials and Manufacturing Engineering,
The University of Nottingham,
Nottingham NG7 2RD, UK
Materials and Manufacturing Engineering,
The University of Nottingham,
Nottingham NG7 2RD, UK
Search for other works by this author on:
Yanqiu Zhu
Yanqiu Zhu
College of Engineering,
Mathematics and Physical Sciences,
University of Exeter,
Exeter EX4 4QF, UK
Mathematics and Physical Sciences,
University of Exeter,
Exeter EX4 4QF, UK
Search for other works by this author on:
Iftikhar Ahmad
Center of Excellence for Research
in Engineering Materials,
Deanship of Scientific Research,
King Saud University,
P.O. Box 800,
Riyadh 11421, Saudi Arabia
e-mail: ifahmad@ksu.edu.sa
in Engineering Materials,
Deanship of Scientific Research,
King Saud University,
P.O. Box 800,
Riyadh 11421, Saudi Arabia
e-mail: ifahmad@ksu.edu.sa
Saqib Anwar
Industrial Engineering Department,
College of Engineering,
King Saud University,
Riyadh 11421, Saudi Arabia
College of Engineering,
King Saud University,
Riyadh 11421, Saudi Arabia
Fang Xu
Department of Mechanical,
Materials and Manufacturing Engineering,
The University of Nottingham,
Nottingham NG7 2RD, UK
Materials and Manufacturing Engineering,
The University of Nottingham,
Nottingham NG7 2RD, UK
Yanqiu Zhu
College of Engineering,
Mathematics and Physical Sciences,
University of Exeter,
Exeter EX4 4QF, UK
Mathematics and Physical Sciences,
University of Exeter,
Exeter EX4 4QF, UK
1Corresponding author.
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received February 20, 2018; final manuscript received August 16, 2018; published online October 16, 2018. Assoc. Editor: Sinan Muftu.
J. Tribol. Feb 2019, 141(2): 022002 (11 pages)
Published Online: October 16, 2018
Article history
Received:
February 20, 2018
Revised:
August 16, 2018
Citation
Ahmad, I., Anwar, S., Xu, F., and Zhu, Y. (October 16, 2018). "Tribological Investigation of Multilayer Graphene Reinforced Alumina Ceramic Nanocomposites." ASME. J. Tribol. February 2019; 141(2): 022002. https://doi.org/10.1115/1.4041303
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