Investigation of Optimum Machining Parameters for Aluminum 7075 / Zirconium Composite by Using Taguchi and Rsm Methods

Neethipudi Ajay, G Narasa Raju


Manufacturing of Aluminum alloy based casting composite materials via stir casting is one of the prominent and economical route for development and processing of metal matrix composites materials. Properties of these materials depend upon many processing parameters and selection of matrix and reinforcements. Literature reveals that most of the researchers are using 2, 6 and 7xxx Aluminum matrix reinforced with SiC (silicon carbide) particles for high strength properties whereas, insufficient information is available on reinforcement of "Al2O3" particles in 7xxx Aluminum matrix. The 7xxx series Aluminum matrix usually contains Cu-Zn-Mg.

Therefore, the present research was conducted to investigate the effect of elemental metal such as Zirconium oxide in Aluminum 7075 matrix. Mechanical properties Aluminum composite materials reinforced using simple foundry melting alloying and it done by stir casting route.

The age hardening treatments were also applied to study the aging response of the Aluminum matrix on strength, ductility and hardness. In this project we are going to take pure Aluminum 7075 alloy with the mixture of Zirconium oxide for the testing purpose. And the testing is done to find the tensile and hardness of the material results for the better matrix reinforced material.

Here machining is done on the Wire Cut EDM process and Taguchi methods is used to obtain the better parameters. Data obtained from the testing results will be analysed using Minitab 17 software.

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