FLEXURAL MONITORING OF CARBON FIBER/EPOXY COMPOSITE BY ACOUSTIC EMISSION

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BEHESHTIZADEH NIMA; MOSTAFAPUR AMIR

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Journal: JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING) Year:2016 | Volume:9 | Issue:1 Page(s): 51-62

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Title

FLEXURAL MONITORING OF CARBON FIBER/EPOXY COMPOSITE BY ACOUSTIC EMISSION

Author(s)

BEHESHTIZADEH NIMA | MOSTAFAPUR AMIR | Issue Writer Certificate

Keywords

COMPOSITEQ2

CARBON FIBER/EPOXYQ1

ACOUSTIC EMISSIONQ2

LOAD MONITORINGQ1

NON-DESTRUCTIVE TESTQ1

Abstract

Carbon / epoxy COMPOSITE is one of the most useful polymer matrix COMPOSITEs that has special properties such as high strength-to-weight ratio, high hardness, high corrosion resistance.Resistance to nuclear radiation has high consumption in different industries such as aerospace industry and therefor monitoring of loading of this type of COMPOSITE is important. In order to determine failure mechanisms, ACOUSTIC EMISSION method has more performance than other non-destructive methods. In this research ACOUSTIC EMISSION method was used to evaluate and monitoring of the carbon epoxy COMPOSITE three point bending load. For this purpose bending behavior of COMPOSITE and relationship between acoustic signals was studied. Using both fast Fourier transform and wavelet transform method in this research, which led to the same result. Using FFT maximum frequency 140 KHZ was determined, that wavelet transform was confirmed this result too. Time limits that events was occurred on the under load specimen, was monitored by online diagrams that obtained from acoustic system. Finally failure mechanisms of COMPOSITE were confirmed by SEM pictures. Time limits and ascending progress of diagrams validates bending diagram.

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APA: Copy

BEHESHTIZADEH, NIMA, & MOSTAFAPUR, AMIR. (2016). FLEXURAL MONITORING OF CARBON FIBER/EPOXY COMPOSITE BY ACOUSTIC EMISSION. JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING), 9(1 ), 51-62. SID. https://sid.ir/paper/171302/en

Vancouver: Copy

BEHESHTIZADEH NIMA, MOSTAFAPUR AMIR. FLEXURAL MONITORING OF CARBON FIBER/EPOXY COMPOSITE BY ACOUSTIC EMISSION. JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING)[Internet]. 2016;9(1 ):51-62. Available from: https://sid.ir/paper/171302/en

IEEE: Copy

NIMA BEHESHTIZADEH, and AMIR MOSTAFAPUR, “FLEXURAL MONITORING OF CARBON FIBER/EPOXY COMPOSITE BY ACOUSTIC EMISSION,” JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING), vol. 9, no. 1 , pp. 51–62, 2016, [Online]. Available: https://sid.ir/paper/171302/en

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