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Physical Science International Journal

Physical Science International Journal, ISSN: 2348-0130,Vol.: 5, Issue.: 1


Friction and Wear Behaviour of Plasma Sprayed Fly Ash Added Red Mud Coatings


Harekrushna Sutar1,2*, Debashis Roy1, Subash Chandra Mishra2, Ananta Prasad Chakraverty2 and Himanshu Sekhar Maharana2

1Department of Chemical Engineering, Jadavpur University, Kolkata, 700032, West Bengal, India.
2Department of Metallurgical and Materials Engineering, National Institute of Technology, Rourkela, 769008, Odisha, India.


Article Information
(1) Mohd Rafatullah, Div. of Environmental Technology, School of Industrial Technology, Universiti Sains Malaysia, Malaysia.
(2) Stefano Moretti, School of Physics & Astronomy, University of Southampton, UK.
(1) Anonymous, Hunan University of Science and Technology, China.
(2) Anonymous, Kielce University of Technology, Poland.
(3) Anonymous, Institute of Plasma Physics, Czech Republic.
(4) Anonymous, National Institute of Technology Karnataka, Surathkal, India.
Complete Peer review History: http://www.sciencedomain.org/review-history/6532




The present investigation aims at evaluating the effect of fly ash addition on sliding wear behaviour of pure red mud. Plasma sprayed coatings composed of red mud and varying percentage of fly ash were considered for the wear behavior study. Plasma spraying technique was used with varying levels of power namely 6, 9, 12 and 15 kW. Investigations of the coatings focused on tribological properties like sliding wear behaviour, wear morphology, wear mechanism and frictional force. Experimental investigations also include the effect of varying percentage of fly ash on dry sliding wear behaviour of pure red mud. Fly ash with 10, 20 and 50% by weight was mixed with red mud and sliding wear test performed using pin on disc wear test machine. The wear test was performed for sliding distance up to 942 m with track diameter of 100 mm and at sliding speed of 100 rpm (0.523 m/s); applying normal load of 10 N for a maximum duration of 30 minutes. The variation of wear rate and frictional force with that of sliding distance and time has been presented. Significant wear resistance was visible with the addition of fly ash due to increase in bond strength and dense film at the interface. Wear rate decreases with operating power up to 12 kW thereafter declines initiating other dominating parameters.


Keywords :

Red mud; fly ash; plasma coating; sliding wear; wear morphology; frictional force; wear mechanism.


Full Article - PDF    Page 61-73    Article Metrics


DOI : 10.9734/PSIJ/2015/12624

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