Journal of Solid Mechanics and Materials Engineering
Online ISSN : 1880-9871
ISSN-L : 1880-9871
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Approach to Dynamic Fracture Toughness of GFRP from Aspect of Viscoelastic and Debonding Behaviors
Savetlana SHIRLEYHiroomi HOMMA
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2007 Volume 1 Issue 3 Pages 275-286

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Abstract
Over the wide range of the loading rates, fracture toughness test have been carried out for the GFRP material. Fracture toughness based on the stress singularity is significantly affected by the loading rate, while one based on the strain singularity is less affected by the loading rate. Fracture toughness based on the strain can explain the fracture behaviors of viscoelastic materials, but to explain the loading rate effect completely, the debonding process between the glass fiber and the polymer matrix must be taken into account.
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© 2007 by The Japan Society of Mechanical Engineers
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