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The stabilization of interface plays a vital role for the application of multilayer system used in protection of cladding materials. Zr/Si multilayer coating was designed for this strategic application. Comprehensive characterization revealed the structural and phase evolution during oxidation. The amorphous Zr–Si–O (ZSO) layer was formed in situ on the Zr/Si interface during the oxidation process. A competitive consumption of the top Zr layer in silicidation and oxidation was proposed to explain the formation of ZSO. The Zr/Si multilayers with top Zr layer prevent the dissolution of Si and demonstrate better corrosion performance with the formation of ZSO.

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Interface Effect on the Oxygen Barrier Under Sub-critical and Atmospheric Environment of Zr-Si Multilayer Systems

  • 章节

  • 发表日期：

    2025年

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  • Junhua Hu,
  • Guoqin Cao

摘要

The stabilization of interface plays a vital role for the application of multilayer system used in protection of cladding materials. Zr/Si multilayer coating was designed for this strategic application. Comprehensive characterization revealed the structural and phase evolution during oxidation. The amorphous Zr–Si–O (ZSO) layer was formed in situ on the Zr/Si interface during the oxidation process. A competitive consumption of the top Zr layer in silicidation and oxidation was proposed to explain the formation of ZSO. The Zr/Si multilayers with top Zr layer prevent the dissolution of Si and demonstrate better corrosion performance with the formation of ZSO.