Volume 2, Issue 2, December 2018, Page: 22-28
Study of the Homogeneity of Glass Fiber Reinforced Polymer Composite by Using Neutron Radiography Technique
Shahajan Miah, Department of EEE, Bangladesh University of Business & Technology, Dhaka, Bangladesh
Md. Helal Miah, Department of Physics, Bangabandhu Sheikh Mujibur Rahman Science & Technology University, Gopalganj, Bangladesh
Md. Sanwar Hossain, Department of EEE, Bangladesh University of Business & Technology, Dhaka, Bangladesh
M. H. Ahsan, Department of Physics, Shahjalal University of Science & Technology, Sylhet, Bangladesh
Received: Aug. 6, 2018;       Accepted: Sep. 27, 2018;       Published: Oct. 30, 2018
DOI: 10.11648/j.ajcbm.20180202.11      View  612      Downloads  97
Direct film neutron radiography (NR) technique has been used to study internal defects and homogeneity of glass fiber reinforced polymer composite. In this study, neutron radiography (NR) technique is used to detect any spot or cracks in any sample because if we find any cracks or defect in the sample by NR, it means that the sample is not homogeneous and the materials are not perfectly distributed. Tangential Neutron Radiography Facility of 3MW TRIGA Mark-II research reactor has been utilized in the study. A series of neutron radiography images were taken to determine the optimum exposure time of the sample. In this experiment, the optimal exposure time is estimated at 40 min and from radiographic images of the sample; we see that there were no spots found in the sample. By measuring the optical density of any sample we detect the homogeneity of this sample. Optical density values of different reference positions of the sample have been found to be unchanged and Optical density values of the central positions of the sample and the reference positions have also been found to be same. These prove that associated solutions of glass fiber-reinforced polymer composite are not diffused and distributed uniformly. From the observation of neutron radiographic images of the sample at optimum exposure time and optical density of the sample at a different position, it revealed that the glass fiber-reinforced polymer composite is uniformly distributed and no voids, defects, and cracks could be found in the composite observed in the radiograph. Thus the elemental distributions of the composite are found to be almost homogeneous. So, the fabrication of the glass fiber-reinforced polymer composite is perfect.
Neutron Radiography, Optical Density, Homogeneity, Internal Structure, Defect
To cite this article
Shahajan Miah, Md. Helal Miah, Md. Sanwar Hossain, M. H. Ahsan, Study of the Homogeneity of Glass Fiber Reinforced Polymer Composite by Using Neutron Radiography Technique, American Journal of Construction and Building Materials. Vol. 2, No. 2, 2018, pp. 22-28. doi: 10.11648/j.ajcbm.20180202.11
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