Fractography analysis with topographical features of multi-layer graphene reinforced epoxy nanocomposites

Atif, Rasheed and Inam, Fawad (2016) Fractography analysis with topographical features of multi-layer graphene reinforced epoxy nanocomposites. Graphene, 5 (4). pp. 166-177. ISSN 2169-3439

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The stiff and fragile structure of thermosetting polymers, such as epoxy, accomplices the innate cracks to cause fracture and therefore the applications of monolithic epoxy are not ubiquitous. However, it is well established that when reinforced especially by nano-fillers, its ability to withstand crack propagation is propitiously improved. The crack is either deflected or bifurcated when interacting with strong nano-filler such as Multi-Layer Graphene (MLG). Due to the deflection and bifurcation of cracks, 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 nano-filler on the mechanical properties. Here we show that, 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.

Item Type: Article
Uncontrolled Keywords: Fractography, Multi-Layer Graphene (MLG), Epoxy, Nanocomposites, Mechanical Properties
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 Sep 2016 12:36
Last Modified: 01 Aug 2021 03:02

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