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MICROSCOPIE ACOUSTIQUE [1 record]

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Record 1 1991-04-03

English

Subject field(s)
  • Metal Joining Processes - Various
CONT

Acoustic microscopy is the term applied to high resolution, high frequency ultrasonic inspection techniques which produce images of features beneath the surface of a sample. Because ultrasonic energy requires continuity of materials to propagate, internal defects such as voids, delaminations and cracks interfere with the transmission and/or reflection of ultrasound signals. Since air is a very poor conductor of ultrasound, gaps within or between samples are easily visualized by the localized changes in the ultrasound.

French

Domaine(s)
  • Procédés divers d'assemblage des métaux

Spanish

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