Factors Affecting Mechanical Properties of High ModulusCarbon Fiber With Resin Matrix
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    Abstract:

    To improve the mechanical properties of high modulus carbon fibers, the interface bonding abilities of cyanate ester, epoxy 5228 and epoxy 4211 with carbon fibers were studied. In this paper, SEM, AFM, micro鄄dissoci ater and all鄄purpose mechanical tester were used to investigate surface micro configuration of carbon fibers, and the micro鄄bonding of resin matrix and carbon fiber surface. The macro mechanical properties of composites were also stud ied. It is found that with the increase of carbon fiber modulus, defects and channels on the surface decrease, surface
    activity drops and the bonding strength with resins is weaked. The bonding properties decrease with the order of modi fied cyanate ester, epoxy 5228 and epoxy 4211. The higher the bonding strength of resin with fiber, the better the mechanical capabilities of composites.

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  • Online: November 28,2016
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