Delamination detection in composite laminates using high-frequency P- and S-waves – Part II: Experimental validation

Delamination detection in composite laminates using high-frequency P- and S-waves – Part II:... In this work, the delamination detection procedure presented in part I is experimentally investigated (Pasquali and Lacarbonara, 2015). Attention placed on the through-the-thickness propagation direction of composite laminates undergoing delaminations. As observed in the numerical tests, a precise correlation between the delamination position and the variations of the Time of Flight (ToF) of primary (P) and secondary (S) waves is found. A substantial modulation of the power spectral density (PSD) of the acquired output signals is recorded in the case of delaminations close to the surface onto which the actuator/sensor transducers are bonded. The experimental validation of the proposed SHM procedure is carried out through extensive testing on different types of isotropic and composite specimen. A good agreement between the experimental results and the theoretical predictions shown in part I [1] is found, together with determination of limitations on the delamination position offset with respect to the actuator–sensor pair position. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Composite Structures Elsevier

Delamination detection in composite laminates using high-frequency P- and S-waves – Part II: Experimental validation

Loading next page...
 
/lp/elsevier/delamination-detection-in-composite-laminates-using-high-frequency-p-k85yKbTir5
Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier Ltd
ISSN
0263-8223
eISSN
1879-1085
D.O.I.
10.1016/j.compstruct.2015.05.042
Publisher site
See Article on Publisher Site

Abstract

In this work, the delamination detection procedure presented in part I is experimentally investigated (Pasquali and Lacarbonara, 2015). Attention placed on the through-the-thickness propagation direction of composite laminates undergoing delaminations. As observed in the numerical tests, a precise correlation between the delamination position and the variations of the Time of Flight (ToF) of primary (P) and secondary (S) waves is found. A substantial modulation of the power spectral density (PSD) of the acquired output signals is recorded in the case of delaminations close to the surface onto which the actuator/sensor transducers are bonded. The experimental validation of the proposed SHM procedure is carried out through extensive testing on different types of isotropic and composite specimen. A good agreement between the experimental results and the theoretical predictions shown in part I [1] is found, together with determination of limitations on the delamination position offset with respect to the actuator–sensor pair position.

Journal

Composite StructuresElsevier

Published: Dec 15, 2015

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 12 million articles from more than
10,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Unlimited reading

Read as many articles as you need. Full articles with original layout, charts and figures. Read online, from anywhere.

Stay up to date

Keep up with your field with Personalized Recommendations and Follow Journals to get automatic updates.

Organize your research

It’s easy to organize your research with our built-in tools.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve Freelancer

DeepDyve Pro

Price
FREE
$49/month

$360/year
Save searches from Google Scholar, PubMed
Create lists to organize your research
Export lists, citations
Access to DeepDyve database
Abstract access only
Unlimited access to over
18 million full-text articles
Print
20 pages/month
PDF Discount
20% off