An experimental study of self-diagnosis of interlaminar damage in carbon-fiber composites

Y. Ngabonziza; H. Ergun; R. Kuznetsova; J. Li; B. M. Liaw; F. Delale; J. H. Chung

doi:10.1177/1045389X09347019

An experimental study of self-diagnosis of interlaminar damage in carbon-fiber composites

Y. Ngabonziza, H. Ergun, R. Kuznetsova, J. Li^*, B. M. Liaw, F. Delale, J. H. Chung

^*Corresponding author for this work

Department of Civil Engineering

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

An experimental study was conducted to sense interlaminar delamination in carbon-fiber composites utilizing inherent material piezoresistivity. Mode I and II interlaminar fracture tests were carried out on double cantilever beam and end-notched-flexure specimens following ASTM standards. The traditional DC-sourcing two-point probe technique was employed to measure the through-thickness electrical resistance change. For comparison, optical marker method and acoustic emission technique were also applied to detect interlaminar crack growth. The investigation demonstrates the application potential of the self-sensing capabilities of carbon-fiber composites for structural health monitoring.

Original language	English
Pages (from-to)	233-242
Number of pages	10
Journal	Journal of Intelligent Material Systems and Structures
Volume	21
Issue number	3
DOIs	https://doi.org/10.1177/1045389X09347019
Publication status	Published - Feb 2010

Keywords

Carbon-fiber composites
Electrical properties
Interlaminar damage
Self-diagnosis
Structural health monitoring

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10.1177/1045389X09347019

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abstract = "An experimental study was conducted to sense interlaminar delamination in carbon-fiber composites utilizing inherent material piezoresistivity. Mode I and II interlaminar fracture tests were carried out on double cantilever beam and end-notched-flexure specimens following ASTM standards. The traditional DC-sourcing two-point probe technique was employed to measure the through-thickness electrical resistance change. For comparison, optical marker method and acoustic emission technique were also applied to detect interlaminar crack growth. The investigation demonstrates the application potential of the self-sensing capabilities of carbon-fiber composites for structural health monitoring.",

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AU - Liaw, B. M.

AU - Delale, F.

AU - Chung, J. H.

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AB - An experimental study was conducted to sense interlaminar delamination in carbon-fiber composites utilizing inherent material piezoresistivity. Mode I and II interlaminar fracture tests were carried out on double cantilever beam and end-notched-flexure specimens following ASTM standards. The traditional DC-sourcing two-point probe technique was employed to measure the through-thickness electrical resistance change. For comparison, optical marker method and acoustic emission technique were also applied to detect interlaminar crack growth. The investigation demonstrates the application potential of the self-sensing capabilities of carbon-fiber composites for structural health monitoring.

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An experimental study of self-diagnosis of interlaminar damage in carbon-fiber composites

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Keywords

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