1330 ℃-1500 ℃下铬/钼涂层 Zr-4 合金的微观结构演变和相互扩散行为

IF 3.7 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today Communications Pub Date : 2024-09-03 DOI:10.1016/j.mtcomm.2024.110328

Qingsong Chen, Qing Li, Xiong Jiang, Xi Zhou, Xifan Ding, Maolin Zhao, Jijun Yang, Jun Yi, Chunhai Liu

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引用次数: 0

摘要

采用磁控溅射沉积法沉积了铬和铬/钼涂层 Zr-4 合金，并研究了它们的微观结构演变和相互扩散行为。高温扩散试验表明，铬-锌共晶反应导致铬涂层的性能在 1330 ℃ 时急剧下降，而铬/钼涂层即使在 1400 ℃ 时也能有效防止铬-锌相互扩散。值得注意的是，应考虑 Mo-Zr 扩散层的形成对涂层使用性能的潜在影响。然而，Mo 中间层在 1500 ℃ 时失去了阻挡作用，导致 Zr-4 合金严重变形。此外，还讨论了扩散机制。

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Microstructure evolution and interdiffusion behaviour of Cr/Mo coated Zr-4 alloys at 1330 °C-1500 °C

The Cr and Cr/Mo coated Zr-4 alloys were deposited using magnetron sputtering deposition, and their microstructure evolution and interdiffusion behaviour were investigated. High-temperature diffusion tests revealed that the Cr-Zr eutectic reaction caused the performance of the Cr coating to drastically decline at 1330 °C, while the Cr/Mo coating was effective in preventing Cr-Zr interdiffusion even at 1400 ℃. Notably, the potential impact of the Mo-Zr diffusion layer formation on the service performance of the coatings should be considered. However, the Mo interlayer lost its blocking effect at 1500 ℃, led to severe deformation of the Zr-4 alloy. In addition, the diffusion mechanism was discussed.

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来源期刊

Materials Today Communications Materials Science-General Materials Science

CiteScore

5.20

自引率

5.30%

发文量

1783

审稿时长

51 days

期刊介绍： Materials Today Communications is a primary research journal covering all areas of materials science. The journal offers the materials community an innovative, efficient and flexible route for the publication of original research which has not found the right home on first submission.