Cited by 69Structural Health Monitoring TechniquesAeroelasticity and Vibration ControlUltrasonics and Acoustic Wave Propagation

An Innovative Diagnostic Film for Structural Health Monitoring of Metallic and Composite Structures

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Bekas, Dimitrios G., Sharif-Khodaei, Zahra, Aliabadi, M.H. Ferri·2018·Sensors

Abstract

A novel lightweight diagnostic film with sensors/actuators and a multiple-path wiring option using inkjet printing was developed. The diagnostic film allows for systematic, accurate, and repeatable sensor placement. Furthermore, the film is highly flexible and adaptable for placement on complex configurations. The film can be attached to the surface of the structure through a uniform secondary boundary procedure or embedded within the composite layup during curing. The surface-mounted film can simply be peeled off for repair or replacement without scratching or damaging the part. The film offers significant weight reduction compared to other available technologies. A set of extreme temperature, altitude, and vibration environment test profiles were carried out following the Radio Technical Commission for Aeronautics (RTCA) DO-160 document to assess the durability and performance of the diagnostic film for onboard application. The diagnostic film was shown to be durable and reliable in withstanding the variable operational and harsh environmental conditions of tests representing the conditions of regional aircraft.

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Authors
Bekas, D. G., Sharif-Khodaei, Z., & Aliabadi, M. H. F.
Affiliations
  • Imperial College London (GB)
  • Department of Aeronautics, Imperial College London, Kensington, London SW7 2AZ, UK
Corresponding author
Bekas, Dimitrios G.
Venue
Sensors
Publisher
MDPI AG
Published
2018-06-29
Volume
18
Issue
7
Pages
2084
ISSN
1424-8220 (ISSN-L)
OpenAlex
W2811280630
Cited by
69
References
32
Citations by year
2026: 5 · 2025: 1 · 2024: 7 · 2023: 11 · 2022: 10 · 2021: 9 · 2020: 10 · 2019: 15 · 2018: 1
FWCI
7.87
Type
journal article
Language
en
Open access
Locations
  • Sensors (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Spiral (Imperial College London) (submittedVersion, other-oa)
Funders
Cleansky (314768)
Topics
  • Physical Sciences › Engineering › Civil and Structural Engineering › Structural Health Monitoring Techniques
  • Physical Sciences › Engineering › Aerospace Engineering › Aeroelasticity and Vibration Control
  • Physical Sciences › Engineering › Mechanics of Materials › Ultrasonics and Acoustic Wave Propagation
Keywords
structural health monitoring, inkjet-printed sensors, flexible sensors, embedded sensors, composite structures, metal structures, sensor placement, durability testing, harsh environment testing, regional aircraft, weight loss

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