Research on Flexural Fatigue of Fiber Bundles for Lay-Flat Hose

Zhong Yao Huang; Li Hai Cai; Jian Xiong Yang

doi:10.4028/www.scientific.net/AMM.320.512

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 320Research on Flexural Fatigue of Fiber Bundles for...

Research on Flexural Fatigue of Fiber Bundles for Lay-Flat Hose

Abstract:

This paper studies the flexural fatigue performance for hose reinforcement layer fiber bundles including polyester fibers, para-aramid fiber and liquid crystal polyester fiber. Bending fatigue life and changes of three fiber bundles strength during the course of fatigue development were measured. Morphology of three fiber bundles was observed by scanning electron microscopy. From the analysis of the molecular structure of the three fibers, the Molecular chain flexibility is one of the main factors of impacting resistance to bending fatigue performance. Liquid crystal polyester fiber bundles have excellent mechanical properties and the high strength retention in bending fatigue test, which is an ideal material for the production of high-strength hose.

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Periodical:

Applied Mechanics and Materials (Volume 320)

Pages:

512-517

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.320.512

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Online since:

May 2013

Authors:

Zhong Yao Huang, Li Hai Cai, Jian Xiong Yang

Keywords:

Bending Fatigue, Collapsible Hose, Flexural Fatigue, Lay-Flat Hose, Liquid Crystal Polyester Fiber, Para-Aramid Fiber, Polyester Fiber

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