DataVXPolymer CompositesPaper
journal article·1989-10

Characterization of the fracture toughness property (G1c) of composite laminates using the double cantilever beam specimen

S. Lee, P. C. Gaudert, R. C. Dainty, R. F. Scott

Polymer Composites· Volume 10· Issue 5
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Source abstract

Abstract

Abstract The results of a study on the interlaminar fracture toughness properties (G1c) of four unidirectional carbon fiber epoxy materials are presented. The selected materials included Narmco 5245C, Hexcel F584, and American Cyanamid 1806 resins reinforced with Hercules IM6 fibers and for a baseline material Narmco 5208 reinforced with T300 fibers. The G1c values determined on Double Cantilever Beam specimens were found to range from 93 to 370 J/m2. The higher values may partly result from fiber bridging during fracture. This paper discusses specimen configuration, test procedure, and the Scanning Electron Microscope results.
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Research context

Composites

OpenAlex topics: Mechanical Behavior of Composites · Smart Materials for Construction · Epoxy Resin Curing Processes

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