International Journal For Multidisciplinary Research

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Numerical Simulation of Arc Welding

Author(s) Divyeshkumar A. Patel, Ashish D. Patel, Amrat M. Patel
Country India
Abstract Welding simulation is considered as one of the major drivers that will shape the future of the welding technology in the 21st century. Simulation can be used to predict the physical phenomena; joint geometry and microstructure during the welding process, and thus can partially replace the expensive, time-consuming and experience-based trial-and-errors in the development of new welding procedures. Weld-ing is very common in industries like petrochemical, manufacturing, power plant and process
industries. Weld joint life and structural integrity is depending on residual stresses and structure phase transformation. These residual stresses are responsible for the stress corrosion cracking, brittle fracture, reduced fatigue and creep strengths, poor scaling performance and reduced buckling strength. However, the temperature profile generated during the welding is having strong influence on both phase transfor-mation of microstructure and residual stress. The objective of this work is to develop and evaluate a method for introducing a moving heat source into FE-model and investigate the temperature profile gen-erated during the butt-welding in thin sheet. The effect of welding speed and heat input on temperature profile during the welding is evaluated. In the whole process of welding simulation there are couple of things that must be added or corrected. One of these things is that this model gives no feed-back or veri-fication if the correct amount of energy is given into the model. This may vary due to mesh and geometry changes. This simplification of process of modeling welding will contribute to make simulations more commonly used by the industry.
Keywords FEM, FILLER MATERIALS, MOVINGHEAT SOURCE, SIMULATION, SPECIFIC HEAT OF MATERIALS, STEFANBOLTZMAN CONSTANT.
Field Engineering
Published In Volume 6, Issue 2, March-April 2024
Published On 2024-04-04
Cite This Numerical Simulation of Arc Welding - Divyeshkumar A. Patel, Ashish D. Patel, Amrat M. Patel - IJFMR Volume 6, Issue 2, March-April 2024. DOI 10.36948/ijfmr.2024.v06i02.16307
DOI https://doi.org/10.36948/ijfmr.2024.v06i02.16307
Short DOI https://doi.org/gtp8k8
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