A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Sintered body for radiation shielding material, radiation shielding material, and method for producing same
The purpose of the present invention is to provide: a sintered body for a radiation shielding material, which is capable of effectively shielding mainly low-energy-level neutrons, i.e., thermal neutrons and lower-speed neutrons, has excellent physical properties such as bending strength and Vickers hardness, and ensures high machining strength; provided is a sintered body for a radiation shielding material, the sintered body containing 99 wt% to 5 wt% of LiF and 1 wt% to 95 wt% of a fluoride containing one or more elements selected from MgF2, CaF2, AlF3, KF, NaF and/or YF3, the sintered body having physical characteristics of a relative density of 92% or more, a bending strength of 50 MPa or more, and a Vickers hardness of 100 or more.
本发明的目的在于提供一种能够有效地屏蔽主要是低能量水平的中子、即热中子及其以下的低速中子，具有弯曲强度、维氏硬度等物理特性优异的、确保了高机械加工强度的用于放射线屏蔽材料的烧结体；提供含有LiF在99wt％～5wt％范围内，含有从MgF2、CaF2、AlF3、KF、NaF以及/或者YF3中选出的一种以上的氟化物在1wt％～95wt％的范围内的、具有相对密度在92％以上、弯曲强度在50MPa以上、维氏硬度在100以上的物理特性的用于放射线屏蔽材料的烧结体。
Sintered body for radiation shielding material, radiation shielding material, and method for producing same
The purpose of the present invention is to provide: a sintered body for a radiation shielding material, which is capable of effectively shielding mainly low-energy-level neutrons, i.e., thermal neutrons and lower-speed neutrons, has excellent physical properties such as bending strength and Vickers hardness, and ensures high machining strength; provided is a sintered body for a radiation shielding material, the sintered body containing 99 wt% to 5 wt% of LiF and 1 wt% to 95 wt% of a fluoride containing one or more elements selected from MgF2, CaF2, AlF3, KF, NaF and/or YF3, the sintered body having physical characteristics of a relative density of 92% or more, a bending strength of 50 MPa or more, and a Vickers hardness of 100 or more.
本发明的目的在于提供一种能够有效地屏蔽主要是低能量水平的中子、即热中子及其以下的低速中子，具有弯曲强度、维氏硬度等物理特性优异的、确保了高机械加工强度的用于放射线屏蔽材料的烧结体；提供含有LiF在99wt％～5wt％范围内，含有从MgF2、CaF2、AlF3、KF、NaF以及/或者YF3中选出的一种以上的氟化物在1wt％～95wt％的范围内的、具有相对密度在92％以上、弯曲强度在50MPa以上、维氏硬度在100以上的物理特性的用于放射线屏蔽材料的烧结体。
Sintered body for radiation shielding material, radiation shielding material, and method for producing same
用于放射线屏蔽材料的烧结体、放射线屏蔽材料及其制造方法
KUMADA HIROAKI (author) / KITAMURA NAOYUKI (author) / NAKAMURA TETSUYUKI (author) / IKEDA TAKESHI (author)
2022-10-21
Patent
Electronic Resource
Chinese
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