Comparative Study on Properties of Three T700 Grade CarbonFibers and Their Epoxy Matrix Composites
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TB332

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    Abstract:

    The tensile propertiesꎬ surface morphologyꎬ laminate mechanical properties and AGS cylinder axial
    compression stability of MT700 carbon fiber have been studied graduallyꎬ compared with T700-A and T700-B carbon
    fibers. The tensile strength of MT700 has catch up with T700-A and T700-B. The homogeneous groove on fiber sur ̄
    face could effectively improve its interfacial property and tensile ̄compress compatibility. Thereforeꎬ the compressive
    strengthꎬ interlaminar shear strength and flexural strength for MT700/603 are superior to T700-A/603 and T700-B/
    603. The maximum failure load and axial compression modulus of MT700/603 AGS cylinder are as high as 870 kN
    and 108.2 GPaꎬ respectivelyꎬ which have increased by 11.5% and 33.1% compared to T700-B/603. The results
    demonstrated that MT700 carbon fiber is suitable for preparing load ̄carrying component in aerospace structural com ̄
    posites.

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  • Received:
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  • Online: November 28,2016
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