Theoretical study for the calculation of some attenuation Parameters of polymeric composites

被引:0
|
作者
Maykhan, Suham Asad [1 ]
Mkhaiber, Ahmed Fadhil [1 ]
机构
[1] Univ Baghdad, Coll Educ Pure Sci, Dept Phys, Baghdad, Iraq
来源
TECHNOLOGIES AND MATERIALS FOR RENEWABLE ENERGY, ENVIRONMENT AND SUSTAINABILITY: TMREES19GR | 2019年 / 2190卷
关键词
Attenuation; Shielding; Effective atomic number;
D O I
10.1063/1.5138573
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In this research, the attenuation of gamma rays for different materials was studied. Some composite materials, which have desirable properties by workers in different fields especially shielding, have been used. Polyethylene (P.E.) was used as the base material and (BH303),(CaSO6H4),(Bi2GeO3) as reinforcement materials with various concentrations (10,20,30,40 and 50) wt% at different energies (0.5,1,2,3,4 and 5)MeV.Through this research we study the total attenuation coefficient (mu), effective atomic number Z(eff) and half thickness.Through the study we note that the Z(eff) and linear attenuation coefficient(mu) rise with rising concentration of reinforcement materials, while the half thickness reduce by rising the concentration of reinforcement materials. As a result, the linear attenuation coefficient (mu) and Zeii reduce by rising the energy of the gamma rays, While the Half value layer increases with energy. Total linear attenuation coefficient (mu) was calculated by theprogram Xcom.
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页数:11
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