Zirconium alloy shell and its preparation method, zirconium alloy component

A zirconium alloy and cladding technology, applied in the field of materials, can solve problems such as temperature rise of zirconium alloy cladding tube, rupture of zirconium alloy cladding tube, nuclear leakage, etc., so as to improve the anti-oxidation performance, improve the fault tolerance performance of accidents, and improve the anti-oxidation performance. The effect of water vapor oxidation properties
CN109868475BActive Publication Date: 2021-06-22NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Publication Date
2021-06-22

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Abstract

The invention relates to a zirconium alloy shell, a preparation method thereof, and a zirconium alloy component. The zirconium alloy cladding includes a zirconium alloy base and a coating provided on the surface of the zirconium alloy base, the coating includes a transition layer for bonding with the surface of the zirconium alloy base, and is sequentially stacked on the transition layer A MAX phase layer and a sealing layer on the surface, wherein the sealing layer is a hard coating. The zirconium alloy cladding shell of the invention has good water vapor oxidation resistance, thereby effectively improving the fault tolerance performance of the zirconium alloy cladding shell. Therefore, when the zirconium alloy cladding shell of the present invention is used for a zirconium alloy component, safety can be effectively improved.
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Description

technical field

[0001] The invention relates to the technical field of materials, in particular to a zirconium alloy shell, a preparation method thereof, and a zirconium alloy component. Background technique

[0002] Under the conditions of a nuclear reactor loss of water accident, the temperature of the zirconium alloy cladding tube will rise sharply and react violently with water vapor. Therefore, the zirconium alloy cladding tube may rupture during the subsequent quenching process, resulting in nuclear leakage. After the Fukushima nuclear accident in Japan in 2011, further improving the accident tolerance of zirconium alloy cladding has become a new research hotspot. Contents of the invention

[0003] Based on this, it is necessary to address the above problems and provide a zirconium alloy cladding, a preparation method thereof, and a zirconium alloy component; the zirconium alloy cladding has good water vapor oxidation resistance and excellent fault tolerance performa...

Claims

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