D. RAMESH ET AL.
18
rosion rate from 0 wt% to 7 wt% in Al6061/Zircon MMCs.
In the present study, corrosion rate decreases as the wt%
of reinforcement increases for both un-heat treated and
heat treated composites. Further, heat treatment has im-
proved the corrosion resistance for both matrix material
and its composites in 3.5 % NaCl solution.
4. Conclusion
Based on the results of this research, the following con-
clusions have been drawn. The Al6061-Frit particulate
reinforced composites are successfully developed using
liquid metallurgy method. The frit inclusion in Al6061
matrix material plays a significant role in the corrosion
resistance of the material. Increase in the weight per-
centage of frit increases the corrosion resistance signifi-
cantly. The corrosion rate of the composites was lower
than that of the corresp onding matrix material in b o th un-
heat treated and heat treated conditions.
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