Characteristic analysis of dissimilar metal weld for AISI304 with SA213T22 in super heater coils

Super heater is an inevitable component of any boiler system and failure of super heater leads to breakdown of whole plant. The integration of efficient quality welding technologies for dissimilar metals will be a key component in the successful weld quality for power plant components. In this inves...

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Bibliographic Details
Main Authors: Chandrasekaran, K., Ranjith Kumar, P., Ramanathan, R., Chandradass, J., Kannan, T.T.M., John Rajan, A.
Format: Conference Proceeding
Language:English
Subjects:
AISI304
Grey Analysis
SA213T22
Taguchi method
TIG Welding
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Summary:Super heater is an inevitable component of any boiler system and failure of super heater leads to breakdown of whole plant. The integration of efficient quality welding technologies for dissimilar metals will be a key component in the successful weld quality for power plant components. In this investigation, an attempt has been made to study the dissimilar material AISI304 and SA213T22 tungsten inert gas welding is performed under different welding conditions current (100, 115, 130 Amps), gas flow rate (6, 8, 10 ltr/min), speed (2, 2.5, 3 mm/sec) and micro structure analysis performed to find influence of fusion heat. The Taguchi analysis is implemented to obtain single response optimization and grey relational analysis used to attain multi response for best yield strength, the ultimate strength, Vickers hardness and the elongation of the metals.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2020.12.671