University of Tsukuba

Daico Mfg Co., Ltd.

Techno Eye Corporation

Takuji Shigeoka

Hiroaki Kumada

Tetsuyuki Nakamura

Takeshi Ikeda

A fluoride sintered body suitable for a moderator which moderates high-energy neutrons so as to generate neutrons for medical care with which an affected part of the deep part of the body is irradiated to make a tumor extinct comprises MgFof a compact polycrystalline structure having a bulk density of 2.90 g/cmor more and as regards mechanical strengths, a bending strength of 10 MPa or more and a Vickers hardness of 71 or more.

Fluoride sintered body for neutron moderator and method for producing the same

A MgFsystem fluoride sintered body for a radiation moderator having a compact polycrystalline structure excellent in radiation moderation performance, especially neutron moderation performance, contains CaFof 90% by weight at the maximum and has a relative density of 95.2% or more.

MgF2 system fluoride sintered body for radiation moderator and method for producing the same

A MgF&#x2014;CaFbinary system sintered body for a radiation moderator having a compact polycrystalline structure excellent in radiation moderation performance, especially neutron moderation performance, comprises MgFcontaining CaFfrom 0.2% by weight to 90% by weight inclusive, having a bulk density of 2.96 g/cmor more, and a bending strength of 15 MPa or more and a Vickers hardness of 90 or more as regards mechanical strengths.

Growing community of inventors

Kyoto, Japan

Takuji Shigeoka