Metallurgical analysis of resistance welds

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Exhaustive metallurgical analyses of composition and microstructure were carried out to determine the cause of resistance butt-weld failures in brass-coated plain-carbon steel wire. Two types of failure were identified (ductile breaks and brittle fracture) and attributed to improper use of upset pressures, inadequate weld dressing, poor post-weld annealing, excessive sulfur concentrations, and failure to remove brass near the weld zone.

Description

Exhaustive metallurgical analyses of composition and microstructure were carried out to determine the cause of resistance butt-weld failures in brass-coated plain-carbon steel wire. Two types of failure were identified (ductile breaks and brittle fracture) and attributed to improper use of upset pressures, inadequate weld dressing, poor post-weld annealing, excessive sulfur concentrations, and failure to remove brass near the weld zone.

Additional information

Author(s)

Robert M. Shemenski, Goodyear Tire & Rubber Co., Havens, W.D.

Publication/Event/Pages

Wire Journal7(2): 52-59 1974, Paper presented at WAI 43rd Annual Convention, Montreal, Canada

Year

1974