Is There a Relationship between Surface Wettability of Structured Surfaces and Lyophobicity toward Liquid Metals?
Abstract
:1. Introduction
2. Materials and Methods
3. Results and Discussion
3.1. Synthesis of Hierarchical Rough Diamond Coating on Ti Alloy
3.2. Wettability of the Diamond Coatings (Toward Liquid Metal)
3.3. Comparison of Adhesion Resistance
3.4. Application of the Liquid Metal Adhesion to the Hydrophilic Diamond Coating
4. Summary and Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Measurement Method | Oxidized Diamond (WCA ≤ 5°) | H-Terminated Diamond (WCA ≈ 150°) |
---|---|---|
Scroll off angle | 11.3 ± 1.5° | 8.5 ± 1.0° |
Minimum height (speed, Weber number (We)) for adhesion of LM upon droplet impact | 15 cm (1.7 m/s, We 4.11) | 15 cm (1.7 m/s, We 4.11) |
Number of deposition/removal cycles necessary for LM adhesion | 53.3 ± 2.5 | >100 |
(static) contact angle | 163.4 ± 2.0° | 162.5 ± 2.0° |
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Handschuh-Wang, S.; Zhu, L.; Wang, T. Is There a Relationship between Surface Wettability of Structured Surfaces and Lyophobicity toward Liquid Metals? Materials 2020, 13, 2283. https://doi.org/10.3390/ma13102283
Handschuh-Wang S, Zhu L, Wang T. Is There a Relationship between Surface Wettability of Structured Surfaces and Lyophobicity toward Liquid Metals? Materials. 2020; 13(10):2283. https://doi.org/10.3390/ma13102283
Chicago/Turabian StyleHandschuh-Wang, Stephan, Lifei Zhu, and Tao Wang. 2020. "Is There a Relationship between Surface Wettability of Structured Surfaces and Lyophobicity toward Liquid Metals?" Materials 13, no. 10: 2283. https://doi.org/10.3390/ma13102283