Application of Optical Fiber Sensors for Damage Accumulation Monitoring in Composite Structures

Wojciech Blażejewski; Pawel Gasior; Jerzy Kaleta; Radosław Rybczyński

doi:10.4028/www.scientific.net/KEM.598.1

Paper Titles

Application of Optical Fiber Sensors for Damage Accumulation Monitoring in Composite Structures
p.1

Test Stand and Method for Determination of the Usefulness of the Magnetorheological Composites in Active Suspension Systems
p.7

Fatigue Properties of Aluminium Alloys for Uniaxial Cyclic Loads
p.13

Experimental Analysis of Fatigue Life of Laser Weld Zones
p.20

The Investigations of Fatigue Cracking of Laser Welded Joint with the Use of ‘FatigueVIEW’ System
p.26

Analysis of CDM Model in the Scope of Low-Cycle Fatigue Life Estimation
p.32

Influence of Pearlite Morphology on Creeping Characteristic Curves of R260 Steel
p.39

Interlaminar Mode II Toughness of Unidirectional CF-Epoxy Laminates Made of out of Autoclave Prepregs
p.45

HomeKey Engineering MaterialsKey Engineering Materials Vol. 598Application of Optical Fiber Sensors for Damage...

Application of Optical Fiber Sensors for Damage Accumulation Monitoring in Composite Structures

Abstract:

In this paper a study of damage accumulation evaluation of highly stressed composite layer using acoustic emission method and local strain measurements by optical fiber based sensors in form of Fiber Bragg Grating (FBG) is presented. The study was carried out using composite NOL-ring specimens. These kind of specimens can simulate behavior of the cylindrical part of the pressure vessel. Quasistatic and creep tests of CFRC made NOL specimens were performed. It has been shown that there is a correlation between changes in the strain field of composite material, detected by FBG optical sensors, and changes in acoustic emission signals. The possibility of a kind of calibration of composite material strain state monitoring system by AE measurements and at the same time evaluation of damage accumulation was confirmed.

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Periodical:

Key Engineering Materials (Volume 598)

Pages:

1-6

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.598.1

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Online since:

January 2014

Authors:

Wojciech Blażejewski, Pawel Gasior*, Jerzy Kaleta, Radosław Rybczyński

Keywords:

Composite Structures, Damage Accumulation, FBG, High Pressure Vessels, Optical Fiber Sensor (OFS), Structural Health Monitoring (SHM)

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References

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