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The effect of CNT modification on the mechanical properties of polyimide composites with and without MoS2

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Mechanics of Composite Materials Aims and scope

The aim of this work was to investigate the effect of surface modification of carbon nanotubes (CNTs) on the mechanical properties of polyimide (PI) composites with and without MoS2. A three-phase system of CNT/PI/ MoS2 laminates were fabricated with an extrusion-grade PI to produce CNT-reinforced laminates with MoS2 volume fractions of 1–5%. The tensile and impact properties of CNT/PI composites and CNT/PI/MoS2 laminates were also measured and compared. Results showed that the introduction of CNTs as reinforcing additives improved the tensile properties of the composites, but worsened their impact properties. Furthermore, the addition of MoS2 increased the impact strength of the CNT/PI composites greatly. The optimum contents of CNT and MoS2 have been found.

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Acknowledgements

The authors are thankful for the help from the “Chen Guang” project supported by the Shanghai Municipal Education Commission and Shanghai Education Development Foundation(project no. 09CG65) and for the support from the Leading Academic Discipline Project of Shanghai Municipal Education Commission, Project Number: J51802. ShanghaiMunicipal Natural Science Foundation: 11ZR1413600.

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Authors and Affiliations

  1. School of Mechanical and Electronic Engineering, Shanghai Second Polytechnic University, Shanghai, 201209, P.R. China

    J. Li

  2. College of Mechanical Engineering, Donghua University, Shanghai, 201620, P.R. China

    T. Bai

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  1. J. Li
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  2. T. Bai
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Correspondence to T. Bai.

Additional information

Russian translation published in Mekhanika Kompozitnykh Materialov, Vol. 47, No. 6, pp. 853-860, November-December, 2011.

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Li, J., Bai, T. The effect of CNT modification on the mechanical properties of polyimide composites with and without MoS2 . Mech Compos Mater 47, 597–602 (2012). https://doi.org/10.1007/s11029-011-9238-2

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  • DOI: https://doi.org/10.1007/s11029-011-9238-2

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