Effects on the Structures and Properties of APMOC Fiber from Hydrothermal Aging

Abstract:

By the test of hydrothermal aging, the effect on the structures and properties of APMOC fiber is studied, while monofilament tensile test and the corresponding structural analysis are carried out on the test samples. The results show that, in the range of experimental temperature and humidity, APMOC had no significant change in molecular structure; after hydrothermal aging, the tensile strength, elongation and elastic modulus of APMOC fiber show some fluctuation, instead of downward trend continually, there are more obvious effects on the changes of the tensile strength from temperature, i.e. the higher the temperature, the lower the tensile strength during the process of aging. The general effect of thermal aging on fiber properties are the embrittlement and the decreased elongation. The microscopic mechanism of fiber failure modes from raw fiber splitting to brittle rupture is interpreted through the scanning electron microscopy (SEM) observation on the tensile fracture before and after aging, combined with the skin core structure characteristics of APMOC fiber.

• Periodical: Advanced Materials Research (Volume 744)
• Pages: 288-292
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.744.288
• Online since: August 2013
• Authors: Fei Chen, Ying Juan Yue, Wen Xia Sun, Hai Xia Du
• Keywords: APMOC Fiber, FT-IR, Hydrothermal Aging, SEM, Tensile Properties

References

[1] Perepelkin K E, et al. Compare Russia high performanceArmos with other style para aromatic copolyamide fiber[J]. Luo Weilin, traps. Foreign Weave Tethnology, 2000, 180(3). pp.19-22.

[2] SUN You-de, LIU Qing-bei. Russia heterocyclic coptrolyaramids—(1) General condition and development[J]. Hi-Tech Fiber & Application, 2004, 29(1). pp.8-10.

[3] WANG Yun-ying, LIU Jie, MENG Jiang-yan. A Review on Aging Behaviors of Fiber Reinforced Polymer-matrix Composites[J]. Journal of Materials Engineering 2011, No. 7. pp.85-89.

[4] ZHANG Qi, HUANG Gu. Research on the effect of UV radiation to the mechanical properties of glass fiber reinforced composites [J]. Journal of Hunan University of Science & Technology(Nutural Science Edition), Vol. 24, No. 4 Dec. 2009. pp.35-38.

[5] GUAN Xiao-hong, ZHU Su-kang. UV-Protection of Polysulfone Amide Fabric by Nano-materal[J]. JOURNAL OF DONGHUA UNIVERSITY(NUTURAL SCIENCE) Vol. 35, No. 3, Jun. 2009. pp.329-331.

[6] JIN Jun-hong, PENG Yi, YANG Sheng-lin. Study on the photo stability of Polybenzoxazole fibers[J]. Synthetic Technology & Application. Vol. 26, No. 3, Sep. 2011. pp.1-4.

[7] ZHAO Yao-xing, SUN Xiang-yu. Spectrum identification of organic molecular structure [M]. Beijing: Science Press, 2003. pp.20-60.