Microstructure and properties of WB/Al nuclear shielding composites prepared by spark plasma sintering

Effect of modified graphene nanosheets on the properties of 222Rn and gamma ray multifunctional shielding polymer composite materials

“…10 The thermal behavior, gas impermeation properties and radiation shielding capability of polymer composite can be improved via incorporation of functional fillers. [11][12][13][14] Indeed, PMMA, with its long-chain polymeric structure, has received significant attention owing to its low permeability of water vapor, high chemical stability, exceptional thermal stability and environmental friendliness. 15 These exceptional attributes position PMMA composite materials favorably for applications spanning various domains, which include among others gas shielding and photon radiation shielding.…”

“…In the recent years, polymer composites have gained prominence in various fields 10 . The thermal behavior, gas impermeation properties and radiation shielding capability of polymer composite can be improved via incorporation of functional fillers 11–14 . Indeed, PMMA, with its long‐chain polymeric structure, has received significant attention owing to its low permeability of water vapor, high chemical stability, exceptional thermal stability and environmental friendliness 15 .…”

Additive manufacturing of B4C‐W‐based composites via fused deposition molding using highly filled granular feedstocks

“…Nevertheless, in order to decline both the harm from neutron and gamma rays coexisted in radiation environment, both neutron and γ-ray absorbing materials should be shed more lights on. 3 Therefore, attracting complex shielding materials should be composed of three types of elements, including: (1) heavy elements like Pb, W, Fe to decelerate the fast neutron and absorb the gamma rays, (2) elements with large absorption cross section like 10 B and 6 Li, and (3) light element like H to absorb the low-speed neutrons. 11 Based on this, new designed material based on high percentage of B 4 C-W filled polymers of polyethylene and wax belonged to potential radiation shielding candidates, benefiting from the characteristic of lightweight, flexible and environmental friendly.…”

“…Radiation shielding materials are essential protecting parts to inhibit the nuclear leakage with nuclear radiation with gamma and neutrons rays 2 . With the development of nuclear energy, future nuclear reactors and other nuclear power systems tend to be smart with decreased size and enhanced mobility 3 . Nevertheless, traditional shielding materials like shielding concrete, 4 high boron steel, 5 and lead boron polyethylene 6 are usually used in traditional large‐scale commercial nuclear power plants, but difficult to meet the special requirements of advanced radiation protection design exhibiting improved shielding effectiveness, light‐weight, limited size with customized/complex structure.…”

“…Meanwhile, partial B 4 C reinforced polymers based on LDPE, 9 nylon, 10 and rubber 2 were extensively investigated and adopted in medical diagnostic centers, benefiting from the flexibility and good appearance. Nevertheless, in order to decline both the harm from neutron and gamma rays coexisted in radiation environment, both neutron and γ‐ray absorbing materials should be shed more lights on 3 . Therefore, attracting complex shielding materials should be composed of three types of elements, including: (1) heavy elements like Pb, W, Fe to decelerate the fast neutron and absorb the gamma rays, (2) elements with large absorption cross section like 10 B and 6 Li, and (3) light element like H to absorb the low‐speed neutrons 11 .…”