Rapid Inspection of Composite Skin-Honeycomb Core Structures with Ultrasonic Guided Waves-Reference-Cited by-同舟云学术

Rapid Inspection of Composite Skin-Honeycomb Core Structures with Ultrasonic Guided Waves

Published:2003-05 Issue:10 Volume:37 Page:929-939
ISSN:0021-9983
Container-title:Journal of Composite Materials
language:en
Short-container-title:Journal of Composite Materials

Author:

Hay Thomas R.¹,Wei Lou¹,Rose Joseph L.¹,Hayashi Takahiro²

Affiliation:

1. Engineering Science and Mechanics Department The Pennsylvania State University 212 EES Building, University Park, PA 16802, USA

2. Mechanical Engineering Department Nagoya Institute of Technology Gokiso Showa Nagoya, 466-8555 Japan

Abstract

Guided wave inspection of composite skin-honeycomb core structures is an efficient and sensitive alternative to other common inspection methods. This paper shows that sweeping experimentally through the dispersion curves is an effective way to experimentally locate guided wave modes sensitive to skin-core delamination. Composite skin-Nomex honeycomb core specimens were developed with simulated delaminated areas. The delaminated areas were detected with guided waves and confirmed with conventional ultrasonic testing methods. Calculated phase velocity dispersion curves are given to define the practical phase velocity and frequency ranges. Example wave structures in this range are given to illustrate the change in sensitivity as frequency is swept for a given mode.

Publisher

SAGE Publications

Subject

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

Link

http://journals.sagepub.com/doi/pdf/10.1177/0021998303037010005

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