INVESTIGATION OF INITIATION AND EVOLUTION OF DELAMINATION IN GLASS/EPOXY LAMINATED COMPOSITES USING ACOUSTIC EMISSION METHOD

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SAEEDIFAR MILAD; AHMADI NAJAFABADI MEHDI; HOSEYNI HOSEYN; MOHAMMADI REZA

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Journal: JOURNAL OF MECHANICAL ENGINEERING AMIRKABIR (AMIRKABIR) Year:2017 | Volume:48 | Issue:4 Page(s): 411-422

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Title

INVESTIGATION OF INITIATION AND EVOLUTION OF DELAMINATION IN GLASS/EPOXY LAMINATED COMPOSITES USING ACOUSTIC EMISSION METHOD

Author(s)

SAEEDIFAR MILAD | AHMADI NAJAFABADI MEHDI | HOSEYNI HOSEYN | MOHAMMADI REZA | Issue Writer Certificate

Keywords

DELAMINATIONQ2

ACOUSTIC EMISSIONQ2

MODE I LOADINGQ2

Abstract

In order to access the reliable structures, detection of the damages initiation and evolution in materials is necessary. DELAMINATION is the most common failure mode in laminated composites. The present study is concerned with an investigation of initiation and propagation behavior of DELAMINATION using ACOUSTIC EMISSION (AE) method. In this work, various lay-ups of glass/epoxy composite laminates have been fabricated and subjected to mode I quasi-static loading condition. The behavior of DELAMINATION is investigated in two sections. In the first section, the main focus is on the initiation of damage. In this section, initiation of various damage mechanisms are determined using AE method. In the second section, evolution of DELAMINATION is investigated using AE. In order to determine the instantaneous crack tip position during the propagation of DELAMINATION, at first, AE wave velocity in the specimens is specified. Then, using the proposed method, unwanted signals are eliminated. The obtained results indicate that AE method has a good performance to detect initiation stage of interlaminar damage and also to determine the DELAMINATION propagation in the laminated composite structures.

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APA: Copy

SAEEDIFAR, MILAD, AHMADI NAJAFABADI, MEHDI, HOSEYNI, HOSEYN, & MOHAMMADI, REZA. (2017). INVESTIGATION OF INITIATION AND EVOLUTION OF DELAMINATION IN GLASS/EPOXY LAMINATED COMPOSITES USING ACOUSTIC EMISSION METHOD. JOURNAL OF MECHANICAL ENGINEERING AMIRKABIR (AMIRKABIR), 48(4), 411-422. SID. https://sid.ir/paper/165929/en

Vancouver: Copy

SAEEDIFAR MILAD, AHMADI NAJAFABADI MEHDI, HOSEYNI HOSEYN, MOHAMMADI REZA. INVESTIGATION OF INITIATION AND EVOLUTION OF DELAMINATION IN GLASS/EPOXY LAMINATED COMPOSITES USING ACOUSTIC EMISSION METHOD. JOURNAL OF MECHANICAL ENGINEERING AMIRKABIR (AMIRKABIR)[Internet]. 2017;48(4):411-422. Available from: https://sid.ir/paper/165929/en

IEEE: Copy

MILAD SAEEDIFAR, MEHDI AHMADI NAJAFABADI, HOSEYN HOSEYNI, and REZA MOHAMMADI, “INVESTIGATION OF INITIATION AND EVOLUTION OF DELAMINATION IN GLASS/EPOXY LAMINATED COMPOSITES USING ACOUSTIC EMISSION METHOD,” JOURNAL OF MECHANICAL ENGINEERING AMIRKABIR (AMIRKABIR), vol. 48, no. 4, pp. 411–422, 2017, [Online]. Available: https://sid.ir/paper/165929/en

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