Ultrasonic Detection of Weld Bead Geometry

Carlson, Nancy M.; Johnson, John A.

doi:10.1007/978-1-4613-1893-4_195

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Introduction2

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1987

1988

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Cited by 2 publications

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“…Previous work [2,3] in this area used contact piezoelectric transducers to monitor the geometry of the molten pool and proved the capability of ultrasonic techniques to provide information about the welding process. However, several disadvantages of this contact system have led to the consideration of other methods of introducing and detecting ultrasound in the region of the weld pool.…”

Section: Introductionmentioning

confidence: 99%

“…Ultrasonic sensing of the welding process with contact techniques has been successfully used for detecting the geometry of the molten/solid interface [2,3] and the presence of defects in solidified weld metal [7]. The molten/solid interface geometry can be detected with refracted shear waves using a contact piezoelectric transducer mounted on a lucite wedge positioned opposite the welding electrode.…”

Section: Introductionmentioning

confidence: 99%

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