Corrosion Behaviour of Al6061-Frit Particulate Metal Matrix Composites in Sodium Chloride Solution

Dasappa Ramesh, Ragera Parameshwarappa Swamy, Tumkur Krishnamurthy Chandrashekar

Department of Mechanical Engineering, Sri Siddhartha Institute of Technology, Kamataka, India.
Department of Studies in Mechanical Engineering, University B.D.T. College of Engineering, Kamataka, India.
Sri Siddhartha Institute of Technology, Kamataka, India.

DOI: 10.4236/jmmce.2013.11003                

Abstract

In this investigation, an attempt has been made to develop Al6061-Frit particulate metal matrix composites through stir casting technique using metal molds and to study the corrosion behaviour. Pre heated frit particles were added to matrix as reinforcement. Al6061 containing 2 wt% to 8 wt % in steps of 2 wt % of frit particulate composites were prepared. Corrosion tests were conducted by using Potentiostat model SEP238C where 3.5% NaCl solution was used as corrodent. The corrosion rate of metal matrix composites was lower than that of matrix material Al6061 under the corrosive atmosphere for both un-heat treated and heat treated conditions.

Keywords

Al6061 Alloy; Frit; Stir Casting; Potentiostat; Corrosion Rate (mmpy)

Conflicts of Interest

The authors declare no conflicts of interest.

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