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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.6
- 수록면
- 792 - 800 (9page)
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초록· 키워드
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The essential requirement of a material to be used for engineering purposes at nuclear establishments is its ability to attenuate the most penetrating ionizing radiations, gamma (γ)-rays. Mostly, high-Z materials such as heavy concrete, lead, mercury, and their mixtures or alloys have been used in the construction of nuclear establishments and thus termed as nuclear engineering materials (NEM). The NEM are classified into two categories, namely opaque and transparent, depending on their behavior towards the visible spectrum of EM waves. The majority of NEM are opaque. By contrast, various types of glass, which are transparent to visible light, are necessary at certain places in the nuclear establishments.
In the present study, g-ray shielding behaviors (GSB) of six glass samples (transparent NEM) were evaluated and compared with some opaque NEM in a wide range of energy (15 keV-15 MeV) and optical thickness (OT). The study was performed by computing various γ-ray shielding parameters (GSP) such as the mass attenuation coefficient, equivalent atomic number, and buildup factor. A self-designed and validated computer-program, the buildup factor-tool, was used for various computations. It has been established that some glass samples show good GSB, thus can safely be used in the construction of nuclear establishments in conjunction with the opaque NEM as well.
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참고문헌 (26)
참고문헌 신청
H. Singh / 2003 / ZnO-PbO-B2O3 glasses as gamma-ray shielding materials / Nucl. Instrum. Methods Phys. Res. B 207:257~262
M. F. Chen / 1993 / Build-up factors for high energy gamma rays normally incident on slabs of lead, iron, concrete and water / Radiat. Prot. Dosim 50:31~37
K. J. Singh / 2008 / Gamma-ray shielding and structural properties of PbO-SiO2 glasses / Nucl. Instrum. Methods Phys. Res. B 266:944~948
S. Singh / 2010 / Buildup of gamma ray photons in flyash concretes : a study / Ann. Nucl. Energy 37:681~684
S. R. Manohara / 2010 / Energy absorption buildup factors for thermoluminescent dosimetric materials and their tissue equivalence / Radiat. Phys. Chem 79:575~582
M. F. Chen / 1993 / Build-up factors for high energy gamma rays normally incident on slabs of lead, iron, concrete and water / Radiat. Prot. Dosim 50:31~37
K. J. Singh / 2008 / Gamma-ray shielding and structural properties of PbO-SiO2 glasses / Nucl. Instrum. Methods Phys. Res. B 266:944~948
S. Singh / 2010 / Buildup of gamma ray photons in flyash concretes : a study / Ann. Nucl. Energy 37:681~684
S. R. Manohara / 2010 / Energy absorption buildup factors for thermoluminescent dosimetric materials and their tissue equivalence / Radiat. Phys. Chem 79:575~582
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