Determination of interfacial failure criterion in glass fiber/epoxy interface by cruciform specimen method employing elasto-plastic analysis

Jun Koyanagi; Shinji Ogihara

doi:10.1117/12.851242

14 April 2010 Determination of interfacial failure criterion in glass fiber/epoxy interface by cruciform specimen method employing elasto-plastic analysis

Jun Koyanagi, Shinji Ogihara

Author Affiliations +

Proceedings Volume 7522, Fourth International Conference on Experimental Mechanics; 752227 (2010) https://doi.org/10.1117/12.851242
Event: Fourth International Conference on Experimental Mechanics, 2009, Singapore, Singapore

Abstract

This study aims obtain a precise strength of a glass fiber/ epoxy resin interface by taking non-elastic analysis which might be very important factor to be considered. A cruciform specimen method is one of the reasonable tests to investigate interfacial strength. Varying the cruciform angles, the interfacial failure criterion under combined stress-state can be obtained. However, when the interfacial strength is beyond the matrix yield stress, non-elastic stress analysis must be done in order to obtain the interfacial strength precisely. In this study, the non-elastic analysis is performed and the effect is discussed.

Citation Download Citation

Jun Koyanagi and Shinji Ogihara "Determination of interfacial failure criterion in glass fiber/epoxy interface by cruciform specimen method employing elasto-plastic analysis", Proc. SPIE 7522, Fourth International Conference on Experimental Mechanics, 752227 (14 April 2010); https://doi.org/10.1117/12.851242

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