QUANTIFICATION OF DAMAGE MECHANISMS IN HOLED COMPOSITE LAMINATES BY ACOUSTIC EMISSION AND FINITE ELEMENT METHODS

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AKBARI SHAH KHOSRAVI NAEIM; GHOLIZADE ALI; MOHAMMADI REZA; SAEEDIFAR MILAD; AHMADI NAJAFABADI MEHDI

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:6 Page(s): 345-352

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Title

QUANTIFICATION OF DAMAGE MECHANISMS IN HOLED COMPOSITE LAMINATES BY ACOUSTIC EMISSION AND FINITE ELEMENT METHODS

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Keywords

DAMAGE MECHANISMSQ1

ACOUSTIC EMISSIONQ2

FINITE ELEMENT METHODQ2

POLYMER COMPOSITESQ2

Abstract

The laminated composites have many advantages such as high specific strength and specific stiffness. Despite these advantages, they are prone to different DAMAGE MECHANISMS. This paper focuses on quantification of DAMAGE MECHANISMS in standard Open-Hole Tensile (OHT) laminated composites using ACOUSTIC EMISSION (AE) and FINITE ELEMENT METHOD (FEM). These damages include three main mechanisms, matrix cracking, fiber/ matrix debonding and fiber breakage. To this aim, OHT tests were carried out. The specimens were fabricated from two types of glass/epoxy composite materials with [0]5S lay-up and [90]5S lay-up. AE accompanied with wavelet-based approach was then used to detect and quantify DAMAGE MECHANISMS of the specimens. FE analysis based on Hashin criteria was then utilized to simulate the DAMAGE MECHANISMS in the specimens and to validate the AE-wavelet based results. Comparison of the applied methods shows that the results of the AE-wavelet based approach are in very good agreement with the FEM results. Finally, it was concluded that the AE method has a good applicability to determine the DAMAGE MECHANISMS in laminated composite structures and to predict the remaining life-time of the structure.

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APA: Copy

AKBARI SHAH KHOSRAVI, NAEIM, GHOLIZADE, ALI, MOHAMMADI, REZA, SAEEDIFAR, MILAD, & AHMADI NAJAFABADI, MEHDI. (2016). QUANTIFICATION OF DAMAGE MECHANISMS IN HOLED COMPOSITE LAMINATES BY ACOUSTIC EMISSION AND FINITE ELEMENT METHODS. MODARES MECHANICAL ENGINEERING, 16(6), 345-352. SID. https://sid.ir/paper/178780/en

Vancouver: Copy

AKBARI SHAH KHOSRAVI NAEIM, GHOLIZADE ALI, MOHAMMADI REZA, SAEEDIFAR MILAD, AHMADI NAJAFABADI MEHDI. QUANTIFICATION OF DAMAGE MECHANISMS IN HOLED COMPOSITE LAMINATES BY ACOUSTIC EMISSION AND FINITE ELEMENT METHODS. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(6):345-352. Available from: https://sid.ir/paper/178780/en

IEEE: Copy

NAEIM AKBARI SHAH KHOSRAVI, ALI GHOLIZADE, REZA MOHAMMADI, MILAD SAEEDIFAR, and MEHDI AHMADI NAJAFABADI, “QUANTIFICATION OF DAMAGE MECHANISMS IN HOLED COMPOSITE LAMINATES BY ACOUSTIC EMISSION AND FINITE ELEMENT METHODS,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 6, pp. 345–352, 2016, [Online]. Available: https://sid.ir/paper/178780/en

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