Title: Micro Structure Investigation of TIG Welding Parameters for Brass 3019
Publisher: Guru Nanak Publications
Series: Volume 2 Issue 2 (Jul-Dec 2019)
Authors: Rama Mohan Reddy
Previously we had done experiment on Welding of Brass, which is widely used as engineering material in industry And find out it is difficult to weld brasses. The main problem with this alloy in welding is the evaporation of zinc during the welding process. After welding, the weld metal becomes porous. Moreover, since the amount of zinc in the alloy is reduced due to evaporation, and it loses the physical and chemical properties which it normally possesses. And the experiment helped out for study forsupporting experimental data about whether welding of brass material is possible or not. Now in our paper the effect of TIG welding parameters brass3019 (70%Cu–30%Zn) joints are investigated by SEM Analysis and compared with the mechanical properties which are investigated previously. The main parameters in this study were the root gap, flow rate, diameter of electrode and flow of current. And SEM analysis with Electron voltage of 10Kv and magnification 500x with the width of 10.5mm is done then the Evaporation of zinc is observed at weld zone, HAZ1 and HAZ2.
TIG welding; Brass; SEM; Weld Zone; and HAZ.