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Fracture toughness and fatigue properties of steel plate butt joints welded by submerged arc and electroslag welding procedures
Welded butt joints, typical of those used in the flanges of steel plate girders, were welded by electroslag and submerged arc processes in ASTM A36 and A588 steel plates. The electroslag weldments were made by the consumable guide method using both the water cooled and non-cooled retaining shoes. Complete metallurgical studies were done on the weldments to define and document the various weld metal and heat-affected zones that were present. Chemical compositions of the various Tensile tests on the various weldments reveal significant nonhomogeneous and anisotropic behaviors in the electroslag weld metal. Three series of Charpy V-notch impact evaluations were conducted on the weldments. Fatigue crack initiation tests were conducted on small tensile specimens taken from the weldments with crack starter notches machined in them. These tests revealed that the submerged arc weld metal has a significantly longer crack initiation life than the electroslag weld metal and that in some cases the electroslag weld metal was inferior to the base metal. Recommended changes in specifications are also included. (DePo)
Fracture toughness and fatigue properties of steel plate butt joints welded by submerged arc and electroslag welding procedures
Welded butt joints, typical of those used in the flanges of steel plate girders, were welded by electroslag and submerged arc processes in ASTM A36 and A588 steel plates. The electroslag weldments were made by the consumable guide method using both the water cooled and non-cooled retaining shoes. Complete metallurgical studies were done on the weldments to define and document the various weld metal and heat-affected zones that were present. Chemical compositions of the various Tensile tests on the various weldments reveal significant nonhomogeneous and anisotropic behaviors in the electroslag weld metal. Three series of Charpy V-notch impact evaluations were conducted on the weldments. Fatigue crack initiation tests were conducted on small tensile specimens taken from the weldments with crack starter notches machined in them. These tests revealed that the submerged arc weld metal has a significantly longer crack initiation life than the electroslag weld metal and that in some cases the electroslag weld metal was inferior to the base metal. Recommended changes in specifications are also included. (DePo)
Fracture toughness and fatigue properties of steel plate butt joints welded by submerged arc and electroslag welding procedures
Bruchfestigkeit und Dauerfestigkeit stumpfgeschweisster Stahlplatten bei Verfahren mit verdecktem Lichtbogen und Elektro-Schlacke-Schweissen
Culp, J.D. (author)
US Government Reports ; 1-136
1976
136 Seiten
Report
English
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