A NUMERICAL APPROACH FOR MODELLING THERMAL PROFILES AND EFFECTS OF PROCESS PARAMETERS ON IT IN SUBMERGED ARC WELDING OF AISI 1518 GRADE STEEL

Year 2015, Volume: 1 Issue: 6 - SPECIAL ISSUE 3 INTERNATIONAL CONFERENCE ON ADVANCES IN MECHANICAL ENGINEERING ISTANBUL 2015 (ICAME15), - , 01.06.2015

Abhijit Sarkar

https://doi.org/10.18186/jte.55588

Cited By: 1

Abstract

A comprehensive methodology for the analysis of thermal analysis due to welding has been studied in this present investigation. A finite volume methodology (FVM) among term of the basic heat transfer equation was enforced to simulate the temperature profiles in submerged arc welding (SAW) of AISI 1518 grade steel. The supply of the arc is assumed to be a moving conicoidal heat supply with a Gaussian distribution. The obtained results from the simulation methodology are compared with experimental results and determined a good agreement with experimental results, with associate degree overall proportion of error calculable to be between 5.23%. The influence of welding current and speed of temperature analysis has been evaluated and located that each one those parameters are playing a necessary role in moving the temperature distribution of the assembly, i.e.when current inflated, the temperature conjointly inflated with constant speed yet like higher speed temperature is decreased for constant current . Finally, the influence of heat input on peak temperature variations in various welding parameters has been evaluated and shown that the higher heat input in higher temperature is obtained.

Keywords

Submerged Arc Welding (SAW), Finite Volume Method (FVM), Gaussian Heat Distribution, Transient temperature distribution, AISI 1518 grade steel

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