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Gamma-ray attenuation coefficients of carbon steel plates using iridium-192 / Siti Madiha Muhammad Amir

Measurement of gamma radiation attenuation coefficients on carbon steel using gamma radiation beam from Iridium-192 has been made to permit their use for precision measurement, material studies and in various industrial radiographic techniques. The material examined is carbon steel plates with vario...

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Main Author: Siti Madiha, Muhammad Amir
Format: Thesis
Published: 2012
Subjects:
QC Physics
Online Access:http://studentsrepo.um.edu.my/3906/1/1._Title_page%2C_abstract%2C_content.pdf
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spelling my.um.stud.39062013-09-03T07:35:02Z Gamma-ray attenuation coefficients of carbon steel plates using iridium-192 / Siti Madiha Muhammad Amir Siti Madiha, Muhammad Amir QC Physics Measurement of gamma radiation attenuation coefficients on carbon steel using gamma radiation beam from Iridium-192 has been made to permit their use for precision measurement, material studies and in various industrial radiographic techniques. The material examined is carbon steel plates with various thicknesses ranging from 2 mm to 13 mm. There are two aspects in this study; determination of the attenuation coefficient using theoretical method, and from experiments. Two types of detectors are used; the film radiography and ion chamber. The gamma ray source is the polychromatic radionuclide Iridium-192. Cross section of the incoherent scattering of every element in the carbon steel material sample has been calculated using the Klein-Nishina formula incorporating the structure function correction. We integrate the Klein-Nishina formula using the Gauss-Legendre quadrature and the cross section agrees very well with the published results. The cross section of the incoherent scattering is used to calculate the theoretical effective linear attenuation coefficient and is found to be 0.231. The effective linear attenuation coefficient value from the two experiments has the value of 0.3401cm−1mm− as determined from the transmission curves which is consistent with the theoretical value. 2012 Thesis NonPeerReviewed application/pdf http://studentsrepo.um.edu.my/3906/1/1._Title_page%2C_abstract%2C_content.pdf application/pdf http://studentsrepo.um.edu.my/3906/2/c_1.pdf application/pdf http://studentsrepo.um.edu.my/3906/3/c_2.pdf application/pdf http://studentsrepo.um.edu.my/3906/4/c_3.pdf application/pdf http://studentsrepo.um.edu.my/3906/5/c_4_%26_5.pdf application/pdf http://studentsrepo.um.edu.my/3906/6/REFERENCES.pdf http://pendeta.um.edu.my/client/default/search/results?qu=Gamma-ray+attenuation+coefficients+of+carbon+steel+plates+using+iridium-192&te= Siti Madiha, Muhammad Amir (2012) Gamma-ray attenuation coefficients of carbon steel plates using iridium-192 / Siti Madiha Muhammad Amir. Masters thesis, University of Malaya. http://studentsrepo.um.edu.my/3906/
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Student Repository
url_provider http://studentsrepo.um.edu.my/
topic QC Physics
spellingShingle QC Physics
Siti Madiha, Muhammad Amir
Gamma-ray attenuation coefficients of carbon steel plates using iridium-192 / Siti Madiha Muhammad Amir
description Measurement of gamma radiation attenuation coefficients on carbon steel using gamma radiation beam from Iridium-192 has been made to permit their use for precision measurement, material studies and in various industrial radiographic techniques. The material examined is carbon steel plates with various thicknesses ranging from 2 mm to 13 mm. There are two aspects in this study; determination of the attenuation coefficient using theoretical method, and from experiments. Two types of detectors are used; the film radiography and ion chamber. The gamma ray source is the polychromatic radionuclide Iridium-192. Cross section of the incoherent scattering of every element in the carbon steel material sample has been calculated using the Klein-Nishina formula incorporating the structure function correction. We integrate the Klein-Nishina formula using the Gauss-Legendre quadrature and the cross section agrees very well with the published results. The cross section of the incoherent scattering is used to calculate the theoretical effective linear attenuation coefficient and is found to be 0.231. The effective linear attenuation coefficient value from the two experiments has the value of 0.3401cm−1mm− as determined from the transmission curves which is consistent with the theoretical value.
format Thesis
author Siti Madiha, Muhammad Amir
author_facet Siti Madiha, Muhammad Amir
author_sort Siti Madiha, Muhammad Amir
title Gamma-ray attenuation coefficients of carbon steel plates using iridium-192 / Siti Madiha Muhammad Amir
title_short Gamma-ray attenuation coefficients of carbon steel plates using iridium-192 / Siti Madiha Muhammad Amir
title_full Gamma-ray attenuation coefficients of carbon steel plates using iridium-192 / Siti Madiha Muhammad Amir
title_fullStr Gamma-ray attenuation coefficients of carbon steel plates using iridium-192 / Siti Madiha Muhammad Amir
title_full_unstemmed Gamma-ray attenuation coefficients of carbon steel plates using iridium-192 / Siti Madiha Muhammad Amir
title_sort gamma-ray attenuation coefficients of carbon steel plates using iridium-192 / siti madiha muhammad amir
publishDate 2012
url http://studentsrepo.um.edu.my/3906/1/1._Title_page%2C_abstract%2C_content.pdf
http://studentsrepo.um.edu.my/3906/2/c_1.pdf
http://studentsrepo.um.edu.my/3906/3/c_2.pdf
http://studentsrepo.um.edu.my/3906/4/c_3.pdf
http://studentsrepo.um.edu.my/3906/5/c_4_%26_5.pdf
http://studentsrepo.um.edu.my/3906/6/REFERENCES.pdf
http://pendeta.um.edu.my/client/default/search/results?qu=Gamma-ray+attenuation+coefficients+of+carbon+steel+plates+using+iridium-192&te=
http://studentsrepo.um.edu.my/3906/
_version_ 1738505622174826496
score 13.211869

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