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US 6,246,740 B1Granted
SIC-composite material sleeve and process for producing the same
AssigneesJapan Nuclear Cycle Development Institute, Nippon Carbon Co., Ltd.
InventorsTadashi Maruyama, Shoji Onose, Shiro Mitsuno
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Abstract
A cylindrical thin-wall sleeve including an SiC fiber-reinforced SiC composite material (SiC/SiC), which has a porosity of 40% or less and a wall thickness of 5 mm or less.
Claims4
A control rod for use in a nuclear reactor, said control rod comprising:
- a cylindrical, thin-walled sleeve comprising an SiC fiber-reinforced SiC composite material which has a porosity of 40% or less and a wall thickness of 5 mm or less;
- a neutron-absorbing material disposed within said sleeve;
- and
- a cylindrical cladding member disposed in overlying, surrounding relationship to said cylindrical, thin-walled sleeve.
1 more element
Dependencies are inferred from the claim text.