Measurements of ultrasonic velocity and attenuation in biaxially oriented polypropylene films using fast fourier transform | Zendy

Malinarič Svetozár | Zendy

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Measurements of ultrasonic velocity and attenuation in biaxially oriented polypropylene films using fast fourier transform

Author(s) -

Malinarič Svetozár

Publication year - 1994

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1994.070521006

Subject(s) - attenuation , anisotropy , polypropylene , ultrasonic sensor , materials science , fourier transform , ultrasonic attenuation , phenomenological model , composite material , optics , acoustics , physics , condensed matter physics , quantum mechanics

The first part of this study deals with the design of a new instrument for measuring the velocity and attenuation of ultrasonic waves propagating in thin polymeric films. The experimental results indicate a large anisotropy. In addition, a strong velocity and attenuation dependence on both frequency and temperature has been observed. The results are explained by means of phenomenological theory. © 1994 John Wiley & Sons, Inc.

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