Experimental study of focused ultrasonic beams reflected at a fluid-solid interface in the neighborhood of the Rayleigh angle

Author

Matikas, Theodore E. ; Rousseau, Martine ; Gatignol, Philippe

Author_Institution

US Air Force Lab., Wright-Patterson AFB, OH, USA

Volume

39

Issue

6

fYear

1992

Firstpage

737

Lastpage

744

Abstract

A technique for measuring the lateral and axial displacements of the focal point of an acoustic focused beam reflected at a water-aluminum interface in the neighborhood of the Rayleigh angle incidence is presented together with a qualitative representation of other nonspecular phenomena, based on the cartography of the reflected beam. A study of the feasibility of the experiment and the choice of the transducer is carried out. The results obtained are in agreement with theoretical predictions.<>

Keywords

aluminium; ultrasonic materials testing; ultrasonic reflection; water; H/sub 2/O-Al; Rayleigh angle; Rayleigh angle incidence; acoustic focused beam; axial displacements; cartography; feasibility; fluid-solid interface; focused ultrasonic beams; nonspecular phenomena; reflected beam; theoretical predictions; Acoustic beams; Acoustic measurements; Acoustic reflection; Acoustic transducers; Error correction; Inorganic materials; Nondestructive testing; Optical reflection; Pressure measurement; Ultrasonic variables measurement;

fLanguage

English

Journal_Title

Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on

Publisher

ieee

ISSN

0885-3010

Type

jour

DOI

10.1109/58.165559

Filename

165559