A simple and robust approach for visual overload indication - UD thin-ply hybrid composite sensors

Tamas Rev, Meisam Jalalvand, Jonathan Fuller, Michael R. Wisnom, Gergely Czél

Research output: Contribution to journalArticle

Abstract

A novel, purpose-designed, thin interlayer glass/carbon-epoxy hybrid composite sensor concept is presented here that can be used for structural health monitoring (SHM), offering potential for safer operation in service. The hybrid composite sensors indicate the overload of a structure by exhibiting a change in their appearance when loaded in tension over a predefined strain value. The sensors can be attached to a component either as a structural sensing layer or integrated locally as demonstrated in this study through real-life applications. Furthermore, various test methods have been utilised to characterise the bonded-on sensors including mechanical testing, Digital Image Correlation (DIC) and Acoustic Emission (AE) measurements. An optimal configuration has been identified with the utilised materials that can potentially be used in applications such as sporting goods, civil engineering structures (e.g. truss and bridge elements) as well as pressure vessels.

LanguageEnglish
Pages376-385
Number of pages10
JournalComposites Part A: Applied Science and Manufacturing
Volume121
Early online date8 Mar 2019
DOIs
Publication statusPublished - 30 Jun 2019

Fingerprint

Sensors
Composite materials
Sporting goods
Mechanical testing
Structural health monitoring
Acoustic emissions
Civil engineering
Pressure vessels
Carbon
Glass

Keywords

  • delamination
  • failure
  • fragmentation
  • hybrid
  • mechanical testing

Cite this

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A simple and robust approach for visual overload indication - UD thin-ply hybrid composite sensors. / Rev, Tamas; Jalalvand, Meisam; Fuller, Jonathan; Wisnom, Michael R.; Czél, Gergely.

In: Composites Part A: Applied Science and Manufacturing, Vol. 121, 30.06.2019, p. 376-385.

Research output: Contribution to journalArticle

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