Research Paper
Year: 2020 | Month: December | Volume: 7 | Issue: 12 | Pages: 121-127
Numerical Optimization and Simulation of Molten Metal Viscosity to Control Residual Stress in TIG Mild Steel Welds
Ojika .H.O1, Ozigagun A2
1Department of Production Engineering, Faculty of Engineering, University of Benin, P.M.B 1154, Benin City, Edo State
2Department of Production Engineering, Faculty of Engineering, University of Benin, P.M.B 1154, Benin City, Edo State, Nigeria
Corresponding Author: Ojika .H.O
ABSTRACT
Welding researchers have a goal of continuously reducing weld defects to improve on the strength and integrity of fabricated structures. This study is centered on numerical control and optimization of molten metal viscosity and residual stress of mild steel weld, the TIG welding process was used to produce the specimen. The strength of the model was evaluated by certain statistical diagnostics which includes residual plot,predicted versus observed plot,normal probability plot and cooks distance plot which showed satisfactory results, however enabling the model to explain the interaction between the process factors and viscosity, as well as the capacity to control the residual stress.
Keywords: Simulation, Molten Metal Viscosity, Residual Stress, Optimization Tungsten, Weld.
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