Abstract
Gas tungsten arc welding (GTAW) utilises an intense electric arc formed between a non-consumable tungsten electrode and the workpiece to generate controlled melting within the weld joint. Essentially, the arc can be used as if it was an extraordinarily hot flame. The use of a tungsten electrode and inert gas mixtures makes the process very clean. It is also a process with the potential to deliver relatively high-power densities to the workpiece, and so can be used on even the most refractory metals and alloys. In this chapter, principles of GTAW including energy transport, momentum transport and weld pool behaviour which are required to understand and control heat source properties of GTAW are reviewed in detail. Furthermore, future trends of applications of GTAW are also described.
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Tanaka, M. (2019). Gas Tungsten Arc Welding. In: Setsuhara, Y., Kamiya, T., Yamaura, Si. (eds) Novel Structured Metallic and Inorganic Materials. Springer, Singapore. https://doi.org/10.1007/978-981-13-7611-5_9
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DOI: https://doi.org/10.1007/978-981-13-7611-5_9
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