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Electromagnetic acoustic transducer

An electromagnetic acoustic transducer (EMAT) is a transducer for non-contact acoustic wave generation and reception in conducting materials. Its effect is based on electromagnetic mechanisms, which do not need direct coupling with the surface of the material. Due to this couplant-free feature, EMATs are particularly useful in harsh, i.e., hot, cold…

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Overview

Basic components

Transduction mechanism

Comparison with piezoelectric transducers

Applications

Codes and standards

  • ASTM ASTM International

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Electromagnetic acoustic transducer

Nodes33
Edges32
Triples23
Avg. degree1.94
Density0.060606
Components1

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Electromagnetic acoustic transducer

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related to Codes and standards · 11
Electromagnetic acoustic transducer → Acoustic Transducer, ASTM E1774-96 Standard Guide, ASTM E1816-96 Standard Practice, Electromagnetic Acoustic Transducers, EMAT, EMATs, Methods, Technology, TechnologyASTM E1962-98 Standard Test, Ultrasonic Examinations Using Electromagnetic, Ultrasonic Surface Examinations Using

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Important terminology

emat material magnetostriction field magnetic surface piezoelectric ultrasonic coil wave waves lorentz force current ac used transducers applications electromagnetic transducer

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
SHinstance ofplate waves0.80text
Lamb wavesinstance ofplate waves0.80text
and all sorts of other bulkinstance ofplate waves0.80text
guided-wave modes can be excitedinstance ofplate waves0.80text
primary metal manufacturinginstance ofEMAT has found its applications in many industries0.80text
processinginstance ofEMAT has found its applications in many industries0.80text
automotiveinstance ofEMAT has found its applications in many industries0.80text
railroadinstance ofEMAT has found its applications in many industries0.80text
pipelineinstance ofEMAT has found its applications in many industries0.80text
boilerinstance ofEMAT has found its applications in many industries0.80text
pressure vessel industriesinstance ofEMAT has found its applications in many industries0.80text
in which they are typically used for nondestructive testinginstance ofEMAT has found its applications in many industries0.80text

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