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NDT & E international : independent nondestructive testing and evaluation, v.87, 2017년, pp.78 - 84
Nurmalia , Nakamura, N. , Ogi, H. , Hirao, M.
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We developed a pitch-catch system based on electromagnetic acoustic transducers (EMATs) for pipe inspection, which moves inside the pipe in the axial direction. The first higher mode, T(0,2), of the torsional guided wave is transmitted and detected, and variations of amplitude and phase are measured...
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