Nanocomposites for carbon fiber-reinforced polymer matrix composites

Joseph H. Koo, Louis A. Pilato, Gerry Wissler, Andre Lee, Jon T. Weispfenning, Abdel Abusafieh, Zhiping Luo

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • 3 Citations

    Abstract

    A high temperature damage tolerant epoxy resin system was modified with three types of nanoparticles: chemically modified montmorillonite (MMT) organodays, surface treated nanosilica, and surface modified carbon nanofibers (CNF) to create mew types of epoxy nanocomposites. Wide angle X-ray diffraction (WAXD) and transmission electron microscopy (TEM) were used to determine the degree of dispersion. Dynamic mechanical thermal analysis (DMTA) was used to determine the T g and complex modulus of the polymer nanocomposites. The TEM analyses indicated that the MMT clay, nanosilica, and CNF dispersed very well in the epoxy resin system. Evidence is presented that a nanophase is formed when nanoparticles such as surface treated clay, surface treated nanosilica, or carbon nanofibers are introduced into the epoxy resin. Higher T g and complex modulus values from DMTA for the nanomodified materials are presented as evidence for nanophase presence in the epoxy resin system as compared to lower T g and complex modulus for the epoxy resin control The DMTA data of the neat epoxy nanosilka nanocomposite (2% Aerosil® R202) show the highest T g (258°C) and the highest complex modulus (964 MPa). Five epoxy nanocomposites and a control were selected to produce prepregs using AS4-6K fabric, followed by fabrication into composite panels. The short beam shear values of all epoxy nanocomposites were slightly lower than the baseline with 3% Aerosil® R202 and 2% PR-19-PS-Ox CNF higher than the baseline. The flexural strength of all the epoxy nanocomposites were slightly lower than the baseline with the 2% Cloisite® 10A and 3% Aerosil® R202 materials higher than the baseline. Flatwise tension strength values of all the eposy nanocomposites were slightly lower than the baseline with 2% PR-19-PS-Ox and 2% Aerosil® R202 samples higher than the baseline material. The G 1c and G 2c values of all the epoxy nanocomposites were below the baseline with the least knockdown for 2% Aerosil® R805 (G 1c) and 2% PR-19-PS-Ox (G 2c) being higher than the baseline.

    Original languageEnglish (US)
    Title of host publicationCollection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
    Pages1564-1580
    Number of pages17
    Volume3
    StatePublished - 2005
    Event46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference - Austin, TX, United States

    Other

    Other46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
    CountryUnited States
    CityAustin, TX
    Period4/18/054/21/05

    Profile

    Nanocomposites
    Epoxy resins
    Carbon nanofibers
    Thermoanalysis
    Clay minerals
    Clay
    Nanoparticles
    Transmission electron microscopy
    Polymer matrix composites
    Bending strength
    Carbon fibers
    Fabrication
    X ray diffraction
    Composite materials
    Polymers
    Temperature

    ASJC Scopus subject areas

    • Architecture

    Cite this

    Koo, J. H., Pilato, L. A., Wissler, G., Lee, A., Weispfenning, J. T., Abusafieh, A., & Luo, Z. (2005). Nanocomposites for carbon fiber-reinforced polymer matrix composites. In Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference (Vol. 3, pp. 1564-1580)

    Nanocomposites for carbon fiber-reinforced polymer matrix composites. / Koo, Joseph H.; Pilato, Louis A.; Wissler, Gerry; Lee, Andre; Weispfenning, Jon T.; Abusafieh, Abdel; Luo, Zhiping.

    Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Vol. 3 2005. p. 1564-1580.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Koo, JH, Pilato, LA, Wissler, G, Lee, A, Weispfenning, JT, Abusafieh, A & Luo, Z 2005, Nanocomposites for carbon fiber-reinforced polymer matrix composites. in Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. vol. 3, pp. 1564-1580, 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Austin, TX, United States, 18-21 April.
    Koo JH, Pilato LA, Wissler G, Lee A, Weispfenning JT, Abusafieh A et al. Nanocomposites for carbon fiber-reinforced polymer matrix composites. In Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Vol. 3. 2005. p. 1564-1580.

    Koo, Joseph H.; Pilato, Louis A.; Wissler, Gerry; Lee, Andre; Weispfenning, Jon T.; Abusafieh, Abdel; Luo, Zhiping / Nanocomposites for carbon fiber-reinforced polymer matrix composites.

    Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Vol. 3 2005. p. 1564-1580.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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    abstract = "A high temperature damage tolerant epoxy resin system was modified with three types of nanoparticles: chemically modified montmorillonite (MMT) organodays, surface treated nanosilica, and surface modified carbon nanofibers (CNF) to create mew types of epoxy nanocomposites. Wide angle X-ray diffraction (WAXD) and transmission electron microscopy (TEM) were used to determine the degree of dispersion. Dynamic mechanical thermal analysis (DMTA) was used to determine the T g and complex modulus of the polymer nanocomposites. The TEM analyses indicated that the MMT clay, nanosilica, and CNF dispersed very well in the epoxy resin system. Evidence is presented that a nanophase is formed when nanoparticles such as surface treated clay, surface treated nanosilica, or carbon nanofibers are introduced into the epoxy resin. Higher T g and complex modulus values from DMTA for the nanomodified materials are presented as evidence for nanophase presence in the epoxy resin system as compared to lower T g and complex modulus for the epoxy resin control The DMTA data of the neat epoxy nanosilka nanocomposite (2% Aerosil® R202) show the highest T g (258°C) and the highest complex modulus (964 MPa). Five epoxy nanocomposites and a control were selected to produce prepregs using AS4-6K fabric, followed by fabrication into composite panels. The short beam shear values of all epoxy nanocomposites were slightly lower than the baseline with 3% Aerosil® R202 and 2% PR-19-PS-Ox CNF higher than the baseline. The flexural strength of all the epoxy nanocomposites were slightly lower than the baseline with the 2% Cloisite® 10A and 3% Aerosil® R202 materials higher than the baseline. Flatwise tension strength values of all the eposy nanocomposites were slightly lower than the baseline with 2% PR-19-PS-Ox and 2% Aerosil® R202 samples higher than the baseline material. The G 1c and G 2c values of all the epoxy nanocomposites were below the baseline with the least knockdown for 2% Aerosil® R805 (G 1c) and 2% PR-19-PS-Ox (G 2c) being higher than the baseline.",
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    AU - Pilato,Louis A.

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