Effect of Nano-TiO$_2$ Particles on Wear and Corrosion Behaviour of AA6063 Surface Composite Fabricated by Friction Stir Processing

Issues » Volume 40, Issue 3

Effect of Nano-TiO $_2$ Particles on Wear and Corrosion Behaviour of AA6063 Surface Composite Fabricated by Friction Stir Processing

D. Muthukrishnan, A. N. Balaji, G. R. Raghav

K.L.N. College of Engineering, Department of Mechanical Engineering, 630612 Pottapalayam, Sivagangai District, Tamil Nadu, India

Received: 17.11.2017. Download: PDF

In this investigation, the effect of nano-TiO $_2$ particles on wear and corrosion behaviour of AA6063 surface nanocomposites produced $via$ friction stir processing (FSP) was studied. Microstructure analysis of fabricated surface nanocomposites was done with scanning electron microscope and found that TiO $_2$ nanoparticles are uniformly dispersed in the stir zone. The surface nanocomposites were characterized by hardness, wear and corrosion tests. The results revealed that the microhardness increases due to the presence of hard TiO $_2$ nanoparticles than as AA6063 alloy. The FSPed surface nanocomposites exhibited low frictional coefficient, excellent wear resistance and adequate corrosion resistance at 40 mm/min and as compared to that of the as cast alloy.

Key words: AA6063 alloy, TiO $_2$ nanoparticles, friction stir processing, surface nanocomposites, microstructure, microhardness, wear behaviour, corrosion behaviour.

URL: http://mfint.imp.kiev.ua/en/abstract/v40/i03/0397.html

DOI: https://doi.org/10.15407/mfint.40.03.0397

PACS: 61.05.cp, 62.20.Qp, 62.23.Pq, 68.37.Hk, 81.16.Rf, 81.40.Pq, 81.65.Kn

Citation: D. Muthukrishnan, A. N. Balaji, and G. R. Raghav, Effect of Nano-TiO $_2$ Particles on Wear and Corrosion Behaviour of AA6063 Surface Composite Fabricated by Friction Stir Processing, Metallofiz. Noveishie Tekhnol., 40, No. 3: 397—409 (2018)

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