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Paper Information

Journal:   NONDESTRUCTIVE TESTING TECHNOLOGY   Fall 2019- Winter 2020 , Volume 2 , Number 5 ; Page(s) 14 To 29.
 
Paper: 

A Review On Non-Destructive Identification Of Defects In Fiber Reinforced Polymeric Base Composites

 
 
Author(s):  Mirzaahmadi Soheil, Akbari Davood*
 
* Department of Mechanical Engineering, University of Tarbiat Modares, Tehran, Iran
 
Abstract: 
In recent years, limitations such as the inability to inspect composite materials in common non-destructive testing methods (NDT) have led to the development of new methods such as optical thermography (OPT) and digital shearography (DISH) which are able to resolve these limitations with non-contact and full field inspection. The aim of this paper is to compare the new and traditional NDT methods and also to mention the main features of these new methods such as detection of the defects by stimulating the specimen and receiving its response as out-of-plane displacement derivative (strain) and temperature gradients. The results show that the loading conditions, type of inspected defects, shear amount and the studied material are effective parameters in DISH to accurately estimating the size and depth of defects and also can show that the phase difference between reflected waves for healthy and defective regions in OPT increases up to a specific and optimum frequency value. Moreover, phase difference of waves can be used to determine the defect depth. Additionally, due to the indirect and non-contacting nature of the new methods in measuring defects, the correct determination of the type, size, depth and position of defects is associated with a small percentage of errors. Finally, it is proved that infrared thermography is a quick and effective method for a pass-fail test. Sonic thermography is capable for semi-quantitative evaluation impact related defects and combination of both OPT and DISH methods demonstrated as applicable for full field inspection of composite components instead of traditional methods.
 
Keyword(s): Fiber reinforced polymer composites,NDT,Digital shearography,Optical thermography,Sonic thermography
 
 
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APA: Copy

Mirzaahmadi, S., & AKBARI, D. (2020). A Review on Non-Destructive Identification of Defects in Fiber Reinforced Polymeric base Composites. NONDESTRUCTIVE TESTING TECHNOLOGY, 2(5 ), 14-29. https://www.sid.ir/en/journal/ViewPaper.aspx?id=794049



Vancouver: Copy

Mirzaahmadi Soheil, AKBARI DAVOOD. A Review on Non-Destructive Identification of Defects in Fiber Reinforced Polymeric base Composites. NONDESTRUCTIVE TESTING TECHNOLOGY. 2020 [cited 2022January25];2(5 ):14-29. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=794049



IEEE: Copy

Mirzaahmadi, S., AKBARI, D., 2020. A Review on Non-Destructive Identification of Defects in Fiber Reinforced Polymeric base Composites. NONDESTRUCTIVE TESTING TECHNOLOGY, [online] 2(5 ), pp.14-29. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=794049.



 
 
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