Interfacial phenomena between liquid alloy and Ni substrate covered by Ni–W layer
Interfacial phenomena between liquid alloy and Ni substrate covered by Ni–W layer
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液态合金与 Ni-W 层覆盖的 Ni 基体之间的界面现象
DOI：
10.1016/j.matlet.2020.128299
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发表时间：
2020
期刊：
影响因子：
--
通讯作者：
T. Gancarz
中科院分区：
文献类型：
--
作者：
A. Dobosz;K. Berent;A. Bigos;T. Gancarz
与不断增长的能源需求相关的要求导致了新的热管理系统的开发。液态金属是一种有效的冷却剂，但对大多数金属具有高度腐蚀性。要成功地采用镓基冷却系统，需要克服这个问题。在这项工作中，我们提出了一个潜在的腐蚀保护镍和镍合金的Ni-W层。研究了不同温度下Ga-Sn-Zn共晶液态金属与镍基表面Ni-W保护层之间的界面。使用扫描电子显微镜制备和分析的夫妇的横截面，以揭示微观结构的变化，并进行EDS分析。我们得出结论，Ni-W在高达250 °C的腐蚀性液态金属环境中为Ni提供了足够的保护。
Requirements connected with increasing energy demands lead to the development of new thermal management systems. Liquid metals are an effective coolant, but are highly corrosive to most metals. This problem needs to be overcome to successfully employ gallium-based cooling systems. In this work, we present a potential corrosion protection Ni–W layer for nickel and nickel alloys. We investigated the interface between the Ga-Sn-Zn eutectic liquid metal and nickel substrates covered with an Ni–W protective layer at different temperatures. Cross sections of the couples were prepared and analysed using scanning electron microscopy to reveal microstructural changes, and EDS analysis was carried out. We concluded that Ni–W provides sufficient protection for Ni in a corrosive liquid metal environment up to 250 °C.