Review Article
Open Access
Optimization of Weld Bead Geometry in Tig Welding of Copper Matrix Composite using Response Surface Methodology
Arulraj.M1, Palani P.K2 , Venkatesh.L3
¹Department of Mechanical Engineering, Coimbatore Institute of Engineering and Technology, Coimbatore, India ²Department of Mechanical Engineering, Government College of Technology, Coimbatore, India
3Department of Mechanical Engineering, Coimbatore Institute of Engineering and Technology, Coimbatore, India
Arulraj.M et al /Int.J. TechnoChem Res. 2019,5(1),pp 09-17.
Abstract
Copper-based composite emerges as a promising material for engineering applications due
to their excellent thermo physical properties coupled with better high temperature mechanical
properties compared to pure copper and copper alloys. This paper deals with welding of copper
matrix composite using gas tungsten arc welding. The process parameters considered in this study
are arc voltage (V), welding current (I), and welding speed (S). The weld bead characteristics such as
weld bead height (BH), bead width (BW), and bead penetration (BP) are the response parameters.
The experiments were conducted based on Box-Behnken design with 3 factors at 3 levels. Using the
results mathematical model was developed. The adequacy of the model was evaluated using analysis
of variance (ANOVA). The optimum welding parameter settings were also determined using
Response Surface Methodology.
Keywords
TIG welding, Copper Matrix Composite Materials, Weld Bead Geometry, Response Surface Methodology.
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