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Aramid Fiber

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P Paramasivam – One of the best experts on this subject based on the ideXlab platform.

  • behavior of Aramid Fiber reinforced polymer reinforced high strength concrete beams under bending
    Journal of Composites for Construction, 2005
    Co-Authors: M A Rashid, P Paramasivam, M A Mansur

    Abstract:

    Flexural test results of ten high strength concrete beams reinforced with Aramid Fiber-reinforced polymer (AFRP) bars together with a steel-reinforced beam that served as a reference are presented and discussed. All beams were tested under third-point loading. Test results have shown that a concrete beam, when reinforced with AFRP bars, becomes more flexible in the postcracking range than an equivalent steel-reinforced beam, demonstrates wider and predominantly vertical cracks even in the shear span, and may fail in an unusual flexure-shear mode. Major critical issues concerning flexural designs of AFRP-reinforced beams have been discussed in the perspective of code provisions, and suitable recommendations are made for practical design. A method has been suggested to provide a meaningful quantification of ductility for FRP-reinforced beams. Also the need for reducing the maximum spacing of stirrups from that specified in the current code provisions for sections subjected to large shear combined with significant bending moment has been identified and recommendations are made.

Zhi Sun – One of the best experts on this subject based on the ideXlab platform.

  • carbon Fiber aluminum foam sandwich with short Aramid Fiber interfacial toughening
    Composites Part A-applied Science and Manufacturing, 2012
    Co-Authors: Zhi Sun, J Jeyaraman, Shiyong Sun, Haoran Chen

    Abstract:

    Abstract Interfacial toughness and toughening mechanisms of a sandwich beam, consisting of an aluminum foam covered with two carbon-Fiber/epoxy composite surface layers, are investigated in this study. To improve the interfacial toughness of the sandwich beam, short Aramid Fiber of different lengths and densities were inserted at the interface during the sandwich fabrication process. The interfacial toughness between face-sheet and core was then measured through the Double Cantilever Beam test for various sandwich designs. Improvements of varying degrees in the interfacial toughness were observed for all specimens toughened with short Aramid Fibers of different lengths. The interfacial toughening performance and underlying mechanisms for energy absorption were discussed and analyzed using scanning electron microscopy.

Haoran Chen – One of the best experts on this subject based on the ideXlab platform.

  • carbon Fiber aluminum foam sandwich with short Aramid Fiber interfacial toughening
    Composites Part A-applied Science and Manufacturing, 2012
    Co-Authors: Zhi Sun, J Jeyaraman, Shiyong Sun, Haoran Chen

    Abstract:

    Abstract Interfacial toughness and toughening mechanisms of a sandwich beam, consisting of an aluminum foam covered with two carbon-Fiber/epoxy composite surface layers, are investigated in this study. To improve the interfacial toughness of the sandwich beam, short Aramid Fiber of different lengths and densities were inserted at the interface during the sandwich fabrication process. The interfacial toughness between face-sheet and core was then measured through the Double Cantilever Beam test for various sandwich designs. Improvements of varying degrees in the interfacial toughness were observed for all specimens toughened with short Aramid Fibers of different lengths. The interfacial toughening performance and underlying mechanisms for energy absorption were discussed and analyzed using scanning electron microscopy.