Fractography analysis of 1.0 wt% nanoclay/multi-layer graphene reinforced epoxy nanocomposites

Atif, Rasheed and Inam, Fawad (2017) Fractography analysis of 1.0 wt% nanoclay/multi-layer graphene reinforced epoxy nanocomposites. Journal of Composite Materials, 51 (23). pp. 3281-3290. ISSN 0021-9983

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The topographical features of fractured tensile, flexural, K1C, and impact specimens of 1.0 wt% multi-layered graphene/nanoclay-epoxy nanocomposites have been investigated. The topographical features studied include maximum roughness height (Rmax or Rz), root mean square value (Rq), roughness average (Ra), and waviness (Wa). Due to deflection and bifurcation of the cracks by nanofillers, specific fracture patterns are observed. Although these fracture patterns seem aesthetically appealing, however, if delved deeper, they can further be used to estimate the influence of nanofiller on the mechanical properties. By a meticulous examination of topographical features of fractured patterns, various important aspects related to fillers can be approximated such as dispersion state, interfacial interactions, presence of agglomerates, and overall influence of the incorporation of filler on the mechanical properties of nanocomposites. In addition, treating the nanocomposites with surfaces of specific topography can help improve the mechanical properties of nanocomposites.

Item Type: Article
Subjects: F200 Materials Science
F300 Physics
H300 Mechanical Engineering
J400 Polymers and Textiles
J500 Materials Technology not otherwise specified
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Fawad Inam
Date Deposited: 30 Nov 2016 17:48
Last Modified: 01 Aug 2021 13:00

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