Effects of boron number per unit volume on the shielding properties of composites made with boron ores from China

LOW ENERGY ACCELERATORS AND RADIATION APPLICATIONS

Effects of boron number per unit volume on the shielding properties of composites made with boron ores from China

LI Zhefu，

XUE Xiangxin，

LIU Sulan，

LI Yong，

DUAN Peining

Nuclear Science and Techniques

Vol.23, No.6

pp.344-348

Published in print 20 Dec 2012

DOI：10.13538/j.1001-8042/nst.23.344-348

42803

The total macroscopic removal cross sections, deposited energies and the absorbed doses of three new shielding composites loaded with specific boron-rich slag, boron concentrate ore and boron mud of China for ²⁵²Cf neutron source were investigated by experimental and Monte Carlo calculation. The results were evaluated by boron mole numbers per unit volume in composites. The half value layers of the composites were calculated and compared with that of Portland concrete, indicating that ascending boron mole numbers per unit volume in the composites can enhance the shielding properties of the composites for ²⁵²Cf neutron source.

Boron ores from ChinaBoron mole numberFast neutron shielding propertyMonte Carlo methodHalf value layers

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