INVESTIGATION OF DELAMINATION IN LAMINATED COMPOSITES UNDER QUASI-STATIC AND FATIGUE LOADING CONDITIONS BY ACOUSTIC EMISSION

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MOUSAVI NASAB MIR MOHAMMAD; SAEEDIFAR MILAD; AHMADI NAJAFABADI MEHDI; HOSSEINI TOUDESHKY HOSSEIN

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Journal: Modares Mechanical Engineering Year:2015 | Volume:15 | Issue:8 Page(s): 85-92

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Title

INVESTIGATION OF DELAMINATION IN LAMINATED COMPOSITES UNDER QUASI-STATIC AND FATIGUE LOADING CONDITIONS BY ACOUSTIC EMISSION

Author(s)

MOUSAVI NASAB MIR MOHAMMAD | SAEEDIFAR MILAD | AHMADI NAJAFABADI MEHDI | HOSSEINI TOUDESHKY HOSSEIN | Issue Writer Certificate

Keywords

DELAMINATIONQ2

ACOUSTIC EMISSIONQ1

FATIGUE LOADINGQ2

Abstract

Despite the fact that fiber reinforced plastic composites have excellent mechanical properties, various failure mechanisms can still occur in these materials. DELAMINATION is the most common failure mode in laminated composites that can occur under quasi-static and FATIGUE LOADING conditions. The present study is concerned with the investigation of mechanical and ACOUSTIC EMISSION (AE) behavior of DELAMINATION in glass/epoxy composites under mode I quasi-static and FATIGUE LOADING conditions. First, the unidirectional and woven specimens were subjected to mode I quasi-static loading. The behavior of the DELAMINATION in the specimens was investigated and interlinear fracture toughness of the specimens was calculated. Then, according to the information obtained from quasi-static loading, similar specimens were subjected to the FATIGUE LOADING. The mechanical and AE behavior of the DELAMINATION under FATIGUE LOADING was investigated. A linear relationship was established between cumulative AE energy and fatigue crack growth and fatigue crack growth curve was predicted using the AE method. Then, energy release rate variations curve and fatigue crack growth rate diagram were predicted using AE method. The predicted results by AE have good compatibility with the visually based data that is recommended by the standard. The results indicate that, the AE method has good applicability for health monitoring of composite structures subjected to quasi-static and FATIGUE LOADING conditions.

Cites

DAMAGE MONITORING OF ALUMINUM SHEET REPAIRED WITH FIBER METAL LAMINATE PATCH BY ACOUSTIC EMISSION

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APA: Copy

MOUSAVI NASAB, MIR MOHAMMAD, SAEEDIFAR, MILAD, AHMADI NAJAFABADI, MEHDI, & HOSSEINI TOUDESHKY, HOSSEIN. (2015). INVESTIGATION OF DELAMINATION IN LAMINATED COMPOSITES UNDER QUASI-STATIC AND FATIGUE LOADING CONDITIONS BY ACOUSTIC EMISSION. MODARES MECHANICAL ENGINEERING, 15(8), 85-92. SID. https://sid.ir/paper/179054/en

Vancouver: Copy

MOUSAVI NASAB MIR MOHAMMAD, SAEEDIFAR MILAD, AHMADI NAJAFABADI MEHDI, HOSSEINI TOUDESHKY HOSSEIN. INVESTIGATION OF DELAMINATION IN LAMINATED COMPOSITES UNDER QUASI-STATIC AND FATIGUE LOADING CONDITIONS BY ACOUSTIC EMISSION. MODARES MECHANICAL ENGINEERING[Internet]. 2015;15(8):85-92. Available from: https://sid.ir/paper/179054/en

IEEE: Copy

MIR MOHAMMAD MOUSAVI NASAB, MILAD SAEEDIFAR, MEHDI AHMADI NAJAFABADI, and HOSSEIN HOSSEINI TOUDESHKY, “INVESTIGATION OF DELAMINATION IN LAMINATED COMPOSITES UNDER QUASI-STATIC AND FATIGUE LOADING CONDITIONS BY ACOUSTIC EMISSION,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 8, pp. 85–92, 2015, [Online]. Available: https://sid.ir/paper/179054/en

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