Indian Welding Journal

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Underwater Welding : A Review Paper


Affiliations
1 Cochin Shipyard Limited, India
2 Department of Ship Technology, Cochin University of Science and Technology, Cochin, India
     

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This paper sheds lights on the development of underwater welding. A brief history of underwater welding is touched upon, followed by the different types of underwater welding and the various welding processes used. The various challenges associated with underwater welding, emphasizing on the influence of cooling rate, depth of water on the mechanical properties, microstructure and corrosion properties, is discussed. The characteristics of electrodes used for underwater welding and the metal transfer technique associated with underwater welding are also investigated. The specification for underwater welding AWS D3.6 is also introduced. Finally, the paper explains some of the extremely important safety issues associated with underwater welding.

Keywords

Underwater welding; dry welding; wet welding; metal transfer; safety in underwater welding; challenges of underwater welding.
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  • Underwater Welding : A Review Paper

Abstract Views: 471  |  PDF Views: 6

Authors

S. Krishna Prasad
Cochin Shipyard Limited, India
A. Mathiazhagan
Department of Ship Technology, Cochin University of Science and Technology, Cochin, India

Abstract


This paper sheds lights on the development of underwater welding. A brief history of underwater welding is touched upon, followed by the different types of underwater welding and the various welding processes used. The various challenges associated with underwater welding, emphasizing on the influence of cooling rate, depth of water on the mechanical properties, microstructure and corrosion properties, is discussed. The characteristics of electrodes used for underwater welding and the metal transfer technique associated with underwater welding are also investigated. The specification for underwater welding AWS D3.6 is also introduced. Finally, the paper explains some of the extremely important safety issues associated with underwater welding.

Keywords


Underwater welding; dry welding; wet welding; metal transfer; safety in underwater welding; challenges of underwater welding.

References





DOI: https://doi.org/10.22486/iwj.v54i1.205485