NASA NTRS · 20130013496
Pulsed ultrasonic stir welding system
Abstract
An ultrasonic stir welding system includes a welding head assembly having a plate and a rod passing through the plate. The rod is rotatable about a longitudinal axis thereof. During a welding operation, ultrasonic pulses are applied to the rod as it rotates about its longitudinal axis. The ultrasonic pulses are applied in such a way that they propagate parallel to the longitudinal axis of the rod.
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Ding, R. Jeffrey. 2013-03-12. Pulsed ultrasonic stir welding system. https://ntrs.nasa.gov/citations/20130013496
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