IRAQI JOURNAL OF APPLIED PHYSICS Vol. 22, No. 3, July-September 2026, pp. 447-452 Tebarak A.A. Al-Salmani 1* Mohammed T. Jameel 2 Influence of Iron and Brass Filling Zeena J. Raheem 2 Ahmed M. Iskander 1 Replacement on the Efficiency of Aya M. Hameed 1 Ziad...
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IRAQI JOURNAL OF APPLIED PHYSICS Vol. 22, No. 3, July-September 2026, pp. 447-452 Tebarak A.A. Al-Salmani 1* Mohammed T. Jameel 2 Influence of Iron and Brass Filling Zeena J. Raheem 2 Ahmed M. Iskander 1 Replacement on the Efficiency of Aya M. Hameed 1 Ziad W. Faraj 1 Concrete as Radiation Shield Bakr H. Mishaan 1 Ahmed A. Mosleh 1 Ali J. Abd 1 1 Department of Medical Physics, College of Applied Sciences, This study investigates the effect of replacing different substances with 50% of sand University of Fallujah, on the radiation shielding performance of concrete used in medical structures. Seven Fallujah, IRAQ groups of three samples have been prepared and tested based on an ordinary 2 Department of Physics, concrete batch. The first group (Re) was the reference group without any replacement College of Education, casted with 7 cm thickness. In the second, third, and fourth groups (Fe groups), a 50% Al-Iraqia University of sand was replaced with iron filings and the samples were casted
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