A FINITE ELEMENT METHOD FOR EVALUATION OF MODE-I INTERLAMINAR FRACTURE ENERGY OF UNIDIRECTIONAL EPOXY/GLASS COMPOSITE MATERIALS USING EXPERIMENTAL DATA

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MOUSAVI MASHHADI M.; JAVIDRAD F.

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Journal: Year:2000 | Volume:34 | Issue:2 (68) Page(s): 101-118

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Title

A FINITE ELEMENT METHOD FOR EVALUATION OF MODE-I INTERLAMINAR FRACTURE ENERGY OF UNIDIRECTIONAL EPOXY/GLASS COMPOSITE MATERIALS USING EXPERIMENTAL DATA

Author(s)

MOUSAVI MASHHADI M. | JAVIDRAD F. | Issue Writer Certificate

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Abstract

In this paper, the results are presented of the experiments and the data reduction schemes for evaluation of the mode-I interlaminar fracture energy of unidirectional glass/epoxy composites. All tests, including the material elastic properties tests, are performed according to the ASTM standard practices. In the interlaminar fracture tests, the double cantilever beam (DCB) specimens are employed. Several data reduction schemes are used for calculating the mode-I fracture energy. It is found that the accuracy of the experimental delamination length data has a great effect on the calculated fracture energy. A novel method is then introduced which is capable of determining the fracture energy without using delamination length data which are the most error prone part of the test data. The method is based on the previously developed finite element modeling of delamination growth in the specimen. The modeling technique makes the practical use of linear elastic fracture mechanics incorporating the strain energy release rate analysis. It is shown that the new method can practically be used for calculating the interlaminar fracture energy and/or evaluating the DCB test accuracy.

Cites

A SEQUENTIAL LINEAR PROGRAMMING METHOD FOR DELAMINATION GROWTH MODELING IN LAMINATED COMPOSITES

References

بررسی اثر کجی پیش ترک در نمونه آزمایشگاهی DCB در تعیین مود 1 انرژی شکست ترک های بین لایه ای در مواد مرکب تک جهته

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APA: Copy

MOUSAVI MASHHADI, M., & JAVIDRAD, F.. (2000). A FINITE ELEMENT METHOD FOR EVALUATION OF MODE-I INTERLAMINAR FRACTURE ENERGY OF UNIDIRECTIONAL EPOXY/GLASS COMPOSITE MATERIALS USING EXPERIMENTAL DATA. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 34(2 (68)), 101-118. SID. https://sid.ir/paper/14452/en

Vancouver: Copy

MOUSAVI MASHHADI M., JAVIDRAD F.. A FINITE ELEMENT METHOD FOR EVALUATION OF MODE-I INTERLAMINAR FRACTURE ENERGY OF UNIDIRECTIONAL EPOXY/GLASS COMPOSITE MATERIALS USING EXPERIMENTAL DATA. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2000;34(2 (68)):101-118. Available from: https://sid.ir/paper/14452/en

IEEE: Copy

M. MOUSAVI MASHHADI, and F. JAVIDRAD, “A FINITE ELEMENT METHOD FOR EVALUATION OF MODE-I INTERLAMINAR FRACTURE ENERGY OF UNIDIRECTIONAL EPOXY/GLASS COMPOSITE MATERIALS USING EXPERIMENTAL DATA,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 34, no. 2 (68), pp. 101–118, 2000, [Online]. Available: https://sid.ir/paper/14452/en

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