Effects of Age Hardening Parameters on Hardness of Al 6061 Alloy Using Design of Experiments

Gowri Shankar , M C and Prabhu, P R and Kini, Achutha U and Sharma , S S (2014) Effects of Age Hardening Parameters on Hardness of Al 6061 Alloy Using Design of Experiments. In: Proceedings of International Conference on Computational Methods in Engineering and health Science, December 17-19 2014.

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Aluminium is ranked after iron and steel in the metal market. The demand of aluminium grows rapidly because it has unique combination of properties, which make it as one of the most versatile engineering and construction materials. Aluminium 6061 alloy has been selected by many designers and engineers for different kind of applications. Further, its strength is improved by cold working, grain size refining, precipitation hardening and dispersion hardening. In the present study, experiments are conducted to investigate the effects of age hardening parameters like, Solutionizing Time, Aging Temperature and Ageing Time on hardness of 6061 Aluminium alloy using Design of Experiments. A linier regression model is used to predict the response. From the results it can be seen that, the ageing temperature and aging time have a significant effect on the response whereas, solutionizing time does not have a significant effect. For a specific set of parameters the hardness is improved from 50 to 74 BHN, resulted in an increase in hardness by about 50%.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Al 6061 alloy, Design of Experiments, Hardness, Taguchi
Subjects: Engineering > MIT Manipal > Mechanical and Manufacturing
Depositing User: MIT Library
Date Deposited: 06 Jan 2015 09:07
Last Modified: 06 Jan 2015 09:07
URI: http://eprints.manipal.edu/id/eprint/141355

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