Shear wave sensors for acoustic emission and hybrid guided wave testing
A system includes at least one circumferentially-polarized d15 shear ring transducer and a controller electrically coupled to the at least one circumferentially-polarized d15 shear ring transducer. The at least one circumferentially-polarized d15 shear ring transducer is configured to be disposed on...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A system includes at least one circumferentially-polarized d15 shear ring transducer and a controller electrically coupled to the at least one circumferentially-polarized d15 shear ring transducer. The at least one circumferentially-polarized d15 shear ring transducer is configured to be disposed on a structure and to detect at least one shear horizontal-type acoustic emission from damage to the structure. The controller includes a machine-readable storage medium and a processor in signal communication with the machine-readable storage medium. The processor is configured to store acoustic emission signal data in the machine-readable storage medium when a signal amplitude detected by the at least one circumferentially-polarized d15 shear ring transducer crosses a first threshold. |
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