Guided wave testing (GW) is practiced primarily for tubular (pipe and tubing), solid rod, cable, and plate geometries.
👉 Guided wave testing (GW) is an accepted method of nondestructive testing that is practiced primarily for tubular (pipe and tubing), solid rod, cable, and plate geometries.
👉 It officially became recognized as a distinct method by The American Society for Nondestructive Testing (ASNT) in the last few years.
👉 Often associated with ultrasonic testing (UT), GW uses much lower frequencies than conventional UT, where the wavelength of the energy is much longer than the dimension of the part being inspected.
👉 There are at least two approaches for generating guided waves including piezoelectric and magnetostrictive generation.
👉 These GW systems use specialized instruments to generate guided waves and detect the reflected energies, and specialized software to analyze data obtained.
👉 This method is primarily a survey tool that provides a cost-effective means to inspect long lengths of pipe, tube, cable, rod, and plate from a single sensor location.
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