GMAW Power Sources for the Joining of High Strength Steels
Defence Research Establishment Atlantic Dartmouth, Nova Scotia Canada
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Commercially available Pulsed Gas Metal Arc Welding power sources were reviewed and evaluated, the main objective being to recommend the most applicable package for all position welding of high strength steels used in the construction of naval vessels. Evaluation criteria included practical considerations such as size and usability, along with factors such as arc control methods and arc characteristics which relate directly to the suitability of any particular package for successful all position welding of high strength steels. In addition, a literature review was conducted to determine if any new flux cored or metal cored arc welding consumables have recently been developed which provide adequate weld metal toughness in naval structural steel welds.