NDLI: Neutron shielding behavior of thermoplastic natural rubber/boron carbide composites

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Neutron shielding behavior of thermoplastic natural rubber/boron carbide composites

Content Provider	Scilit
Author	Zali, Nurazila Mat Yazid, Hafizal Ahmad, Megat Harun Al Rashid Megat
Copyright Year	2018
Description	Journal: Iop Conference Series: Materials Science and Engineering Many shielding materials have been designed against the harm of different types of radiation to the human body. Today, polymer-based lightweight composites have been chosen by the radiation protection industry. In the present study, thermoplastic natural rubber (TPNR) composites with different weight percent of boron carbide $(B_{4}$C) fillers (0% to 30%) were fabricated as neutron shielding through melt blending method. Neutron attenuation properties of $TPNR/B_{4}$C composites have been investigated. The macroscopic cross section (Σ), half value layer (HVL) and mean free path length (λ) of the composites have been calculated and the transmission curves have been plotted. The obtained results show that Σ, HVL and λ greatly depend on the $B_{4}$C content. Addition of $B_{4}$C fillers into TPNR matrix were found to enhance the macroscopic cross section values thus decrease the mean free path length (λ) and half value layer (HVL) of the composites. The transmission curves exhibited that the neutron transmission of the composites decreased with increasing shielding thickness. These results showed that $TPNR/B_{4}$C composites have high potential for neutron shielding applications.
Related Links	http://iopscience.iop.org/article/10.1088/1757-899X/298/1/012018/pdf
ISSN	17578981
e-ISSN	1757899X
DOI	10.1088/1757-899x/298/1/012018
Journal	Iop Conference Series: Materials Science and Engineering
Issue Number	1
Volume Number	298
Language	English
Publisher	IOP Publishing
Publisher Date	2018-01-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Materials Science and Engineering Composite Materials
Content Type	Text
Resource Type	Article

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