Title page for ETD etd-82597-10168

Type of Document Master's Thesis
Author Gero, Brian Matthew III
Author's Email Address bgero@uswest.com
URN etd-82597-10168
Title Acousto-Ultrasonic Evaluation of Cyclic Fatigue of Spot Welded Structures
Degree Master of Science
Department Engineering Mechanics
Advisory Committee
Advisor Name Title
Dowling, Norman E.
Henneke, Edmund G. II
Duke, John C. Jr. Committee Chair
  • NDE
  • Acousto-Ultrasonic
  • Fatigue
  • Spot Weld
  • Ultrasonic
Date of Defense 1997-08-28
Availability unrestricted
An acousto-ultrasonic approach is used to explore the damage

development in tensile shear spot welds during fatigue

loading. There is reasonable data to support the hypothesis

that a decrease in an AU signal is indicative of the presence

of an internal crack and could be used for monitoring and

evaluation purposes.

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