Structure and Compressive Property of Heterocyclic Aramid Fiber

Abstract:

The F-3 fiber is a trade name of a recently developed type of heterocyclic para-aramid fibers in China. To investigate the relationship between structure and compressive properties for F-3 fiber, the structural parameters and compressive strength have been analyzed in detail compared with the Kevlar-49 fiber. The structural parameters were determined by wide-angle X-ray diffraction (WAXD) analysis and sonic velocity method. The results showed that the orientation of chains of F-3 fiber was higher than that of Kevlar-49 fiber. The results of the tensile recoil method showed that F-3 and Kevlar-49 fibers had approximate compressive strength. The analysis of relation between structure and mechanical properties suggested that the combination of orientation parameter and shear modulus between adjacent chains resulted in the approximate compressive strength of F-3 and Kevlar-49 fibers.

• Periodical: Materials Science Forum (Volume 898)
• Pages: 2158-2165
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.898.2158
• Online since: June 2017
• Authors: Ying Deng Song, Bin Tai Li, Li Ying Xing*
• Keywords: Compressive Strength, Heterocyclic Aramid Fiber, Orientation, PPTA, Properties, Structure

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