China Plastics ›› 2022, Vol. 36 ›› Issue (4): 19-23.DOI: 10.19491/j.issn.1001-9278.2022.04.004

• Materials and Properties • Previous Articles     Next Articles

Axial compressive properties of aramid⁃coated carbon⁃fiber⁃reinforced epoxy resins

RUAN Fangtao1,2(), XIA Chenglong1, ZHANG Baogen1, CAO Ye1, LIU Zhi1,2, XU Zhenzhen1,2, ZHANG Jincao3()   

  1. 1.School of Textiles and Garment,Anhui Polytechnic University,Wuhu 241000,China
    2.International Cooperation Research Center of Textile Structure Composites,Anhui Province,Wuhu 241000,China
    3.Shanghai Truchum Enterprise Development Co,Ltd,Shanghai 200000,China
  • Received:2021-11-11 Online:2022-04-26 Published:2022-04-24

Abstract:

Aramid?filament?wrapped carbon fiber bundles were prepared using a covering method, and wrapped carbon?fiber?reinforced epoxy resins were prepared by means of a vacuum?assisted resin?transfer?molding method. The axial compressive properties of the resultant composites were measured using an electronic universal testing machine, and the effects of aramid?filament?wrapped parameters on their axial compressive fracture mode and compressive strength were investigated. The experimental results indicated that the aramid filament wrapping could improve the compressive strength of the composites. The compressive strength of the composites increased gradually with an increase in the density of the aramid filament. Compared to the unidirectional covering, the biaxial covering of the aramid filament could further improve the axial compressive strength. The number of reinforcing fiber bundles also affected the fiber buckling state, resulting in a further improvement in compressive strength.

Key words: filament wrapping, fiber reinforced resin, composite, axial compressive strength

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