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Microstructural Mechanisms of Fatigue Failure in PA66 Fibers

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Abstract:

The behavior of two different types of ultra-high-performance polyamide (PA) 66 fibers under fatigue loading up to failure, and the correlation between the fibers (nano)structures and their structural heterogeneity with fatigue lifetimes, have been studied using scanning electron microscopy, differential scanning calorimetry, wide angle x-ray diffraction and micro-Raman spectroscopy. The role of the microstructure of the fibers in determining fatigue life is presented and the possibility of improving their resistance to fatigue or eliminating the fatigue process will be discussed.

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Periodical:

Materials Science Forum (Volume 560)

Pages:

133-138

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.560.133

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Online since:

November 2007

Authors:

J. Martin Herrera-Ramírez, Anthony Bunsell, Philippe Colomban

Keywords:

Fatigue, Fiber, Fracture Morphology, Polyamide 66, Raman Spectroscopy

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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