Friction and wear properties of CrSi-based coatings for nuclear fuel cladding
Friction and wear properties of CrSi-based coatings for nuclear fuel cladding
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核燃料包壳用CrSi基涂层的摩擦磨损性能
DOI：
10.1016/j.surfcoat.2020.126311
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发表时间：
2020-08
影响因子：
5.4
通讯作者：
Jie Tan
中科院分区：
文献类型：
--
作者：
Xiujie He;Shengzhi Yang;Lanlan Huang;Chuiyi Meng;Yuan Wang;Jie Tan
摩擦磨损性能是研制耐事故燃料包覆层的关键问题，值得关注。本研究采用多弧离子镀方法制备了两种不同硅含量比的CrSi和CrSiN涂层，并对它们的磨损深度、磨损体积和摩擦系数进行了详细的比较。结果表明，四种CrSi基涂层的减摩耐磨性能均优于Zircaloy合金，且高Si含量的CrSi基涂层的摩擦磨损性能优于低Si含量的CrSi基涂层。此外，CrSiN涂层的摩擦磨损性能优于CrSi涂层。本研究还考察了CrSi基涂层在水环境中和高温氧化后的摩擦磨损性能。结果表明，水促进了CrSi和Zr-4的摩擦磨损，但抑制了CrSiN涂层的摩擦磨损。高温氧化后，适当增加Si含量可以改善CrSi基涂层的摩擦磨损性能。
Friction and wear performance is a key issue in the development of accident tolerant fuel cladding coatings and worthy of attention. In this study, two types of CrSi and CrSiN coatings with two different Si content ratios were prepared via a multi-arc ion plating method, and their wear depth, wear volume, and coefficient of friction were compared in detail. The results show that the four CrSi-based coatings have better anti-friction and wear resistant properties than Zircaloy, and the CrSi-based coatings with high Si content have better friction and wear properties than the CrSi-based coatings with low Si content. In addition, the friction and wear properties of the CrSiN coatings are better than those of the CrSi coatings. This study also examined the friction and wear properties of the CrSi-based coatings in a water environment and after high temperature oxidation. The results show that water promotes the friction and wear of CrSi and Zr-4, but inhibits the friction and wear of the CrSiN coating. After high temperature oxidation, an appropriate increase in the Si content was found to improve the friction and wear resistance of the CrSi-based coatings.
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DOI：
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发表时间：
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