Technique of Gas Tungsten Arc Welding (GTAW) | Industries | Metallurgy
In this article we will discuss about:- 1. Meaning of Gas Tungsten Arc Welding (GTAW) 2. Advantages of GTAW Process 3. Polarities 4. GTAW Tungsten Electrodes 5. Shielding Gases. Meaning of Gas Tungsten Arc Welding (GTAW): Air during welding, (viz. oxygen, hydrogen, nitrogen and water vapour) tends to reduce the quality of weld. Inert gases are used to keep contaminants [...]