Question
Download Solution PDFIdentify the gas used in Tungsten Inert Gas Welding (TIG).
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Tungsten Inert Gas Welding:
- Tungsten inert gas (TIG) welding process also known as Gas Tungsten Arc Welding (GTAW).
- It is a process that produces an electric arc maintained between a non-consumable tungsten electrode and the part to be welded.
- The heat-affected zone, the molten metal, and the tungsten electrode are all shielded from atmospheric contamination by a blanket of inert gas fed through the GTAW torch.
- The shielding gas serves to blanket the weld and exclude the active properties in the surrounding air.
- Inert gases, such as Argon and Helium used to avoid atmospheric contamination of the molten weld pool.
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