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Thirty-degree Contact Circumferential Shear Wave Calibration on Outside/Inside Diameter Ratio of Two

Ultrasonically testing a hollow, round component with an outside/inside diameter ratio of two presents a unique set of challenges. This paper describes how to account for the incident angle of the shear wave not reaching the first critical angle, a problem that can confuse less-experienced technicians.

References
ASM, Metals Handbook: Nondestructive Inspection and Quality Control, Vol. 11, 8th ed., American Society for Metals, Materials Park, Ohio, 1976. Krautkramer, J. and H. Krautkramer, Ultrasonic Testing of Materials, 4th ed., Springer-Verlag, New York, New York, 1990. NDT Resource Center, “Mode Conversion,” NDT Resource Center, www.ndt-ed.org/educationresources/community college/ultrasonics/physics/modeconversion.htm, 26 May 2010.
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