Extensional and Flexural Waves in a Thin-Walled Graphite/Epoxy Tube*-Reference-Cited by-同舟云学术

Extensional and Flexural Waves in a Thin-Walled Graphite/Epoxy Tube*

Published:1992-12 Issue:14 Volume:26 Page:2016-2027
ISSN:0021-9983
Container-title:Journal of Composite Materials
language:en
Short-container-title:Journal of Composite Materials

Author:

Prosser William H.¹,Dorighi John¹,Gorman Michael R.²

Affiliation:

1. NASA Langley Research Center Hampton, VA 23665

2. Aeronautics and Astronautics Naval Postgraduate School Monterey, CA 93943

Abstract

Simulated acoustic emission signals were induced in a thin-walled graphite/epoxy tube by means of lead breaks (Hsu-Neilsen source). The tube is of similar material and layup to be used by NASA in fabricating the struts of Space Station Freedom. The resulting waveforms were detected by broad band ultrasonic transducers and digitized. Measurements of the velocities of the extensional and flexural modes were made for prop agation directions along the tube axis (0 degrees), around the tube circumference (90 degrees) and at an angle of 45 degrees. These velocities were found to be in agreement with classical plate theory.

Publisher

SAGE Publications

Subject

Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/002199839202601401

Reference16 articles.

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