Friction and Wear Properties of Cr-Nx Coatings for Nuclear Fuel Cladding
Source abstract
Abstract
Friction and wear resistance are important factors that affect the selection of accident-tolerant fuel coating materials. In this study, the wear behavior of a series of Cr-Nx coatings with different N contents was investigated using a reciprocating sliding tester. The coating morphology, change in the coefficient of friction during the friction and wear tests, and wear volume after the friction and wear tests, were characterized and discussed in detail. The results show that the Cr2N coating has better anti-friction and wear resistance behaviors than the Cr and CrN coatings under anhydrous and aqueous conditions. In addition, the water environment promoted the wear of the Zr-4 alloy and Cr coatings and inhibited the wear of the CrN and Cr2N coatings. The mechanisms of friction and wear were also discussed.
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Research context
OpenAlex topics: Nuclear Materials and Properties · Fusion materials and technologies · Metal and Thin Film Mechanics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
China Institute of Atomic Energy, Beijing 102413, China
School of Marine Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
Interdisciplinary Materials Research Center, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
Funding
Guangzhou Science and Technology Plan Project · Zhuhai Fundamentals, and Applied Fundamentals Research Project · Fundamental Research Funds for the Central Universities, Sun Yat-sen University · Key program of Marine Economy Development (Six Marine Industries) Special Foundation of Department of Natural Resources of Guangdong Province
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