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Wetting properties and surface energy of four different

已有 1320 次阅读 2021-12-24 21:55 |个人分类:非晶前沿|系统分类:论文交流

Wetting properties and surface energy of four different amorphous alloys compared to the corresponding crystalline alloys

Siming Xiaoa Tianhao Liua Jie Xiaoa Yuhang Dua Deyu Dinga Hongju Zhangb Shengfeng Guoa

  • School of Materials and Energy, Southwest University, Chongqing, 400715, China

  • Analytical & Testing Center, Southwest University, Chongqing, 400715, China


Abstract

The surface wetting behavior of solid materials was very important in the application of amorphous alloys. However, the surface wetting behavior of amorphous alloys was not yet well understood. In this study, the difference in surface energy (SE) of four different amorphous alloys (Fe48Cr15Mo14C15B6Y2, Cu46Zr42Al7Y5, Zr65Cu17.5Ni10Al7.5, and Zr55Cu30Ni5Al10) and their corresponding crystalline alloys were systematically analyzed. The results show that the SE of amorphous alloys was much lower than their corresponding crystalline alloys. Among four kinds of amorphous alloys, Fe48Cr15Mo14C15B6Y2 amorphous alloy with the lowest SE was selected to prepare the superhydrophobic surfaces with the largest contact angle of 154 ± 2.4° and strong adsorption ability by electrochemical corrosion and chemical modification. Meanwhile, the corrosion resistance of the Fe48Cr15Mo14C15B6Y2 amorphous alloy was greatly improved. This work aimed to enrich the application of amorphous alloys in the field of extreme wettability.

https://doi.org/10.1016/j.matchemphys.2021.125674




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