Volume 14 Issue 4 May - July 2019
Research Paper
Gopal Rana*, Piyush Gulati**, S. S.
Banwait***
*-** Department of Mechanical
Engineering, Lovely Professional University, Phagwara (Punjab), India.
***Department of Mechanical
Engineering, NITTTR, Punjab, India.
Rana, G., Gulati, P.,and Banwait, S.
S. (2019). Investigation of Mechanical Properties by Optimizing Process
Parameters of FSW for AZ31B Magnesium Alloy. i-manager’s Journal on
Future Engineering and Technology, 14(4), 22-32.https://doi.org/10.26634/jfet.14.4.14828
Abstract
In the present
experimental work, the friction stir welding was performed on AZ31B magnesium
alloy. Four process parameters selected for the optimization of were rotational
speed, weld speed, plunge depth and tool shape. Taguchi method was used to
design the set of experiment that were carried out for the optimization of
welding. Aforementioned four parameters, at four level each and L16 orthogonal
array was used. The response characteristics selected was ultimate tensile
strength and Taguchi's larger is better approach was used for calculating
signal to noise ratio. The experiments were carried out according the Taguchi
design of experiment made in Minitab 17 Software. Using signal to noise ratio,
the optimum level of each parameter was found. Signal to noise ratio indicate
the most influencing parameter for optimum tensile strength was weld Speed
followed by plunge Depth and rotational Speed. The tool Pin profile has the
least effect on the response characteristics. The effect of all these
parameters on the tensile strength was validated by the ANOVA. Further, the
contribution of each parameter was found by using ANOVA.
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