Holmes, G.
, Kim, J.
, Moon, C.
and McDonough, W.
(2008),
Coordinated Fracture and Failure Initiation in Microcomposites, IEEE Internet Computing
(Accessed September 1, 2025)
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Coordinated Fracture and Failure Initiation in Microcomposites
Published
Author(s)
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Abstract
In this paper, the failure behavior of glass fiber microcomposites is investigated. E-glass fibers treated with an epoxy compatible sizing were embedded in a diglycidyl ether of bisphenol-A (DGEBA) resin cured with meta-phenylenediamine (m-PDA). Even though brittle failure was observed, the critical flaw nucleation process was found to be time-dependent. Fiber fracture was accompanied by matrix crack formation with the critical flaw nucleation process being controlled by the coalescence of matrix cracks as coordinated fracture sites developed. By incorporating a reactive diluent in the DGEBA/m-PDA system, matrix crack formation was suppressed during fiber fracture. Coordinated fracture was observed without critical flaw nucleation.Citation
IEEE Internet Computing
Pub Type
Journals
Keywords
composite failure, coordinated fracture, damage, failure initiation, fracture, glass fiber, interface matrix
Citation
Issues
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Created October 16, 2008