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Improvements in the transverse properties of composites

Part 1 Fracture surface energy and mechanism of transverse fracture in glass fibre composites

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Abstract

Fracture surface energies of initiation (γ I c) for a transverse fracture process in glass-reinforced epoxy composites have been measured and the results calculated by three different treatments and are compared with the average fracture surface energies (γ F c) for the complete fracture process.

Changes in these two fracture properties are studied as a function of the volume fraction of the fibres, and the relation between the surface energies is established as a factor which determines the nature of the fracture process. When γ I{sic}−γ F c>0 a catastrophic failure is expected, whereas a controlled fracture is observed for γ I cγ F c<0.

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Marom, G., White, E.F.T. Improvements in the transverse properties of composites. J Mater Sci 7, 1299–1307 (1972). https://doi.org/10.1007/BF00550696

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  • DOI: https://doi.org/10.1007/BF00550696

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