Electrochemical impedance spectroscopy to monitor degradation of carbon fiber reinforced polymer com...

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" Electrochemical impedance spectroscopy to monitor degradation of carbon fiber reinforced polymer composites subjected to simulated ocean environment "
M. M. Ahmed S. M. Lipka

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	1112843
Doc. No	:	TLpq230773075
Main Entry	:	M. M. Ahmed
	:	S. M. Lipka
Title & Author	:	Electrochemical impedance spectroscopy to monitor degradation of carbon fiber reinforced polymer composites subjected to simulated ocean environment\ M. M. AhmedS. M. Lipka
College	:	Florida Atlantic University
Date	:	1993
student score	:	1993
Degree	:	M.S.
Page No	:	201
Abstract	:	This research evaluated the applicability of electrochemical impedance spectroscopy (EIS) as a non-destructive technique to predict and characterize the degradation of carbon fiber reinforced polymer (CFRP) composites exposed to aqueous environments at ambient and 6.2 0.3 MPa. Changes in EIS data were related to water uptake into the composite material as a function of exposure time. Electrochemically induced damage (both anodic and cathodic) were also evaluated using impedance measurements. Three point flexure tests with concurrent EIS measurements were employed to study the effect of stresses on water uptake and mechanical degradation. Visual observation of the extent of damage (i.e., fiber-matrix debonding) was made using scanning electron microscopy (SEM) and correlated with EIS observation.
Subject	:	Applied sciences
	:	Materials science
	:	Materials science
	:	Ocean engineering