In the present study, the effects of TiC content on the microstructure, hardness, and wear property are to be investigated. Magnesium matrix hybrid composites reinforced with varying wt.% of TiC (0, 5, 10, 15, and 20) and a fixed wt.% of MoS2 (7.5) were produced by powder metallurgy. The microstructure of the hybrid composite samples was analyzed using optical microscopy. Elemental composition of sintered specimens was determined by energy dispersive X-ray spectroscopy (EDS) analysis. The Vicker's hardness test was performed in different locations on the sintered specimen surface with a load of 5 g and 15 s dwell time. The dry sliding wear test was carried out in a pin-on-disk wear testing machine at various load (5–30 N), velocity (0.5–3 m/s), and sliding distance (500–3000 m). Tribological investigation was statistically analyzed using Taguchi L27 orthogonal array with four factors at three levels. A graphical and numerical optimization technique was used to find the optimum value of TiC content using the predicted value of the responses. The tribological properties of the fabricated composites improved significantly compared to that of the magnesium matrix due to the combined effect obtainable by both reinforcements.
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September 2017
Research-Article
Effect of Hybridizing and Optimization of TiC on the Tribological Behavior of Mg–MoS2 Composites
P. Narayanasamy,
P. Narayanasamy
Assistant Professor
Department of Mechanical Engineering,
Kamaraj College of Engineering and Technology,
Virudhunagar 626001, Tamilnadu, India
e-mail: narayananx5@gmail.com
Department of Mechanical Engineering,
Kamaraj College of Engineering and Technology,
Virudhunagar 626001, Tamilnadu, India
e-mail: narayananx5@gmail.com
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N. Selvakumar
N. Selvakumar
Senior Professor
Department of Mechanical Engineering,
Mepco Schlenk Engineering College,
Sivakasi 626005, Tamilnadu, India
Department of Mechanical Engineering,
Mepco Schlenk Engineering College,
Sivakasi 626005, Tamilnadu, India
Search for other works by this author on:
P. Narayanasamy
Assistant Professor
Department of Mechanical Engineering,
Kamaraj College of Engineering and Technology,
Virudhunagar 626001, Tamilnadu, India
e-mail: narayananx5@gmail.com
Department of Mechanical Engineering,
Kamaraj College of Engineering and Technology,
Virudhunagar 626001, Tamilnadu, India
e-mail: narayananx5@gmail.com
N. Selvakumar
Senior Professor
Department of Mechanical Engineering,
Mepco Schlenk Engineering College,
Sivakasi 626005, Tamilnadu, India
Department of Mechanical Engineering,
Mepco Schlenk Engineering College,
Sivakasi 626005, Tamilnadu, India
1Corresponding author.
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received July 21, 2016; final manuscript received November 23, 2016; published online May 17, 2017. Assoc. Editor: Dae-Eun Kim.
J. Tribol. Sep 2017, 139(5): 051301 (11 pages)
Published Online: May 17, 2017
Article history
Received:
July 21, 2016
Revised:
November 23, 2016
Citation
Narayanasamy, P., and Selvakumar, N. (May 17, 2017). "Effect of Hybridizing and Optimization of TiC on the Tribological Behavior of Mg–MoS2 Composites." ASME. J. Tribol. September 2017; 139(5): 051301. https://doi.org/10.1115/1.4035383
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