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Phase Coherence vs TFM vs PAUT on HTHA Damage

Shane Walton-University of Ultrasonics 3,680 lượt xem 2 years ago
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A real world sample containing HTHA (High Temperature Hydrogen Attack) is examined using several techniques- 0- Degree Linear PAUT, negative 30 to positive 30 L- Wave Sectorial PAUT, Conventional TFM, and Phase Coherence Imaging TFM. Phase Coherence Imaging (PCI) was recently introduced on the OmniScan X3 instrument, and is shown here with a 5L64 transducer, contact, on a 3" thick sample.

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