Preparation method and product of net-structured uranium dioxide/molybdenum composite nuclear fuel pellet

Preparation method and product of net-structured uranium dioxide/molybdenum composite nuclear fuel pellet

The invention discloses a preparation method and a product of a net-structured uranium dioxide/molybdenum composite nuclear fuel pellet, and aims at solving the defects that the thermal conductivity of uranium dioxide and the retention property of a fission product are insufficient when the uranium...

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Hauptverfasser: ZHANG PENGCHENG, LI BINGQING, WANG ZHIYI, HUANG HUAWEI, ZHONG YI, GAO RUI, YANG ZHENLIANG, JIA JIANPING, LIU TONG, MA-ZHAO DANDAN, CHENG LIANG, SUN MAOZHOU, DUAN LIMEI, LIU XUXU, HUANG QIQI, LIU PENGCHUANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
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creator ZHANG PENGCHENG
LI BINGQING
WANG ZHIYI
HUANG HUAWEI
ZHONG YI
GAO RUI
YANG ZHENLIANG
JIA JIANPING
LIU TONG
MA-ZHAO DANDAN
CHENG LIANG
SUN MAOZHOU
DUAN LIMEI
LIU XUXU
HUANG QIQI
LIU PENGCHUANG
description The invention discloses a preparation method and a product of a net-structured uranium dioxide/molybdenum composite nuclear fuel pellet, and aims at solving the defects that the thermal conductivity of uranium dioxide and the retention property of a fission product are insufficient when the uranium dioxide is existed as nuclear fuel of a light-water reactor. According to the invention, through themodification treatment on uranium dioxide raw material powder, nearly spherical uranium dioxide microspheres with a large size are obtained; fine molybdenum powder with excellent nuclear performanceis added; a low-energy ball-mill powder mixing method is adopted to change the distribution state of the molybdenum powder in a uranium dioxide matrix; in the process, the fine molybdenum powder is uniformly adhered on the surfaces of the uranium dioxide microspheres to form uranium dioxide microspheres coated with molybdenum powder, and the uranium dioxide remains original size and shape; and finally, a discharge plasma s
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subjects NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
title Preparation method and product of net-structured uranium dioxide/molybdenum composite nuclear fuel pellet
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