Korea Atomic Energy Research Institute

Korea Hydro Nuclear Power Co., Ltd.

Young-Mo Ko

Seok-Jin Oh

Jun Hwan Kim

Chan Bock Lee

Jong-Hyuk Baek

Jin-Sik Cheon

Yoon-Myeong Woo

Ki Hwan Kim

Ki-Hwan Kim

Ho Jin Ryu

Sung Ho Kim

Sung-Ho Kim

Dohee Hahn

Tae-Kyu Kim

Byoung-Oon Lee

Woo-Gon Kim

Seong Woo Yang

ByoungOon Lee

Junehyung Kim

Chong-Tak Lee

A nuclear fuel rod for fast reactors includes a metallic fuel slug coated with a protective coating layer. In embodiments, a nuclear fuel rod for fast reactors includes a uranium and zirconium fuel slug having a single protective coating which is an oxide layer having a thickness in the range of 0.5 &#x3bc;m to 100 &#x3bc;m, and the protective coating layer may be configured to (i) prevent interdiffusion between the fuel slug and a cladding tube during fast reactor operation, and (ii) prevent a cladding tube from thinning during fission operation in a fast reactor.

Nuclear fuel rod for fast reactors including metallic fuel slug coated with protective coating layer and fabrication method thereof

Disclosed herein are a nuclear fuel rod for fast reactors, which includes an oxide coating layer formed on the inner surface of a cladding, and a manufacturing method thereof. The nuclear fuel rod for fast reactors, which includes the oxide coating layer formed on the inner surface of the cladding, can increase the maximum permissible burnup and maximum permissible temperature of the metallic fuel slug for fast reactors so as to prolong the its lifecycle in the fast reactors, thus increasing economic efficiency. Also, the fuel rod is manufactured in a simpler manner compared to the existing method, in which a metal liner is formed, and the disclosed method enables the cladding of the fuel rod to be manufactured in an easy and cost-effective way.

Nuclear fuel rod for fast reactors with oxide coating layer on inner surface of cladding, and manufacturing method thereof

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Daejeon, South Korea

Young-Mo Ko