Visualization of fatigue load cycle numbers using a glass/carbon hybrid composite sensor

Ali Mahmoudi; J. David Acosta; Meisam Jalalvand; Mohammad Fotouhi; Michael R. Wisnom; Michael M. Khonsari

doi:10.1016/j.sna.2024.115551

Visualization of fatigue load cycle numbers using a glass/carbon hybrid composite sensor

Ali Mahmoudi, J. David Acosta, Meisam Jalalvand, Mohammad Fotouhi, Michael R. Wisnom, Michael M. Khonsari^*

^*Corresponding author for this work

Materials and Environment

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Abstract

A sensor for visualizing the fatigue load cycles was designed, fabricated, and tested. The sensor is made of a glass/carbon hybrid composite and utilizes the delamination length at the glass/carbon interface as an indicator for fatigue cycles. Appropriate design parameters were obtained by performing finite element analysis on the delamination development at the interface between the glass and carbon layers. Hybrid sensors with different carbon layer thicknesses were manufactured, attached to glass/epoxy substrates, and tested under fatigue loading. The predicted results based on the Paris law for crack extensions in one configuration are compared with the experiments for a different configuration to illustrate the efficacy of the approach.

Original language	English
Article number	115551
Number of pages	10
Journal	Sensors and Actuators A: Physical
Volume	376
DOIs	https://doi.org/10.1016/j.sna.2024.115551
Publication status	Published - 2024

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

Delamination
Fatigue
Hybrid composites
Laminate
Structural health monitoring

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10.1016/j.sna.2024.115551

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title = "Visualization of fatigue load cycle numbers using a glass/carbon hybrid composite sensor",

abstract = "A sensor for visualizing the fatigue load cycles was designed, fabricated, and tested. The sensor is made of a glass/carbon hybrid composite and utilizes the delamination length at the glass/carbon interface as an indicator for fatigue cycles. Appropriate design parameters were obtained by performing finite element analysis on the delamination development at the interface between the glass and carbon layers. Hybrid sensors with different carbon layer thicknesses were manufactured, attached to glass/epoxy substrates, and tested under fatigue loading. The predicted results based on the Paris law for crack extensions in one configuration are compared with the experiments for a different configuration to illustrate the efficacy of the approach.",

keywords = "Delamination, Fatigue, Hybrid composites, Laminate, Structural health monitoring",

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AU - Fotouhi, Mohammad

AU - Wisnom, Michael R.

AU - Khonsari, Michael M.

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N2 - A sensor for visualizing the fatigue load cycles was designed, fabricated, and tested. The sensor is made of a glass/carbon hybrid composite and utilizes the delamination length at the glass/carbon interface as an indicator for fatigue cycles. Appropriate design parameters were obtained by performing finite element analysis on the delamination development at the interface between the glass and carbon layers. Hybrid sensors with different carbon layer thicknesses were manufactured, attached to glass/epoxy substrates, and tested under fatigue loading. The predicted results based on the Paris law for crack extensions in one configuration are compared with the experiments for a different configuration to illustrate the efficacy of the approach.

AB - A sensor for visualizing the fatigue load cycles was designed, fabricated, and tested. The sensor is made of a glass/carbon hybrid composite and utilizes the delamination length at the glass/carbon interface as an indicator for fatigue cycles. Appropriate design parameters were obtained by performing finite element analysis on the delamination development at the interface between the glass and carbon layers. Hybrid sensors with different carbon layer thicknesses were manufactured, attached to glass/epoxy substrates, and tested under fatigue loading. The predicted results based on the Paris law for crack extensions in one configuration are compared with the experiments for a different configuration to illustrate the efficacy of the approach.

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Visualization of fatigue load cycle numbers using a glass/carbon hybrid composite sensor

Abstract

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Keywords

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