Preparation and characteristics of a flexible neutron and g-ray shielding and radiation-resistant material reinforced by benzophenone

Pin Gong; Minxuan Ni; Hao Chai; Feida Chen; Xiaobin Tang

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자료유형: 학술저널

저자정보: Pin Gong Minxuan Ni Hao Chai Feida Chen Xiaobin Tang

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제50권 제3호

발행연도: 2018.1

수록면: 470 - 477 (8page)

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With a highly functional methyl vinyl silicone rubber (VMQ) matrix and filler materials of B4C, PbO, andbenzophenone (BP) and through powder surface modification, silicone rubber mixing, and vulcanizedmolding, a flexible radiation shielding and resistant composite was prepared in the study. The dispersionproperty of the powder in the matrix filler was improved by powder surface modification. BP was addedinto the matrix to enhance the radiation resistance performance of the composites. After irradiation, thetensile strength, elongation, and tear strength of the composites decreased, while the Shore hardness ofthe composites and the crosslinking density of the VMQ matrix increased. Moreover, the compositeswith BP showed better mechanical properties and smaller crosslinking density than those without BPafter irradiation. The initial degradation temperatures of the composites containing BP before and afterirradiation were 323.6 C and 335.3 C, respectively. The transmission of neutrons for a 2-mm thicksample was only 0.12 for an AmeBe neutron source. The transmission of g-rays with energies of 0.662,1.173, and 1.332 MeV for 2-cm thick samples were 0.7, 0.782, and 0.795, respectively

참고문헌 (21)

참고문헌 신청

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이 논문의 저자 정보

Pin Gong

소속기관 Department of Nuclear Science and Technology Nanjing University of Aeronautics and Astronautics