Fabrication of hierarchical Ti6Al4V structures by hydrothermal treatment and laser interference lithography with enhanced ice resistance
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AbstractIcing widely exists in aerospace, transportation and electric power communication, causing great safety risks to people's production and life. Inhibiting icing is of great significance in practical engineering applications, and thus, employing an economical and efficient anti-icing method is a research hotspot. In this work, an anti-icing structured surface was fabricated by combining direct laser interference lithography (DLIL) with hydrothermal treatment. A micro-pillar array structure on the tc4 substrate was easily fabricated by DLIL, and a layer of nano-grass structure on the micro-pillar array was grown by hydrothermal treatment. These hierarchically textured surfaces exhibited low-temperature-adaptive water repellency (150° at −10°C, which delayed the frozen time (DT∼1h) and dropped frozen temperature. The above conditions were analyzed from the angle of wettability and heat conduction, and the influence of structure and wettability on ice resistance was discussed.
CitationLiu R, Wu X, Cao L, Liu D, Sun B, Weng Z, Wang Z (2021) 'Fabrication of hierarchical Ti6Al4V structures by hydrothermal treatment and laser interference lithography with enhanced ice resistance', 2021 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO) - Xi'an, China, IEEE.
TypeConference papers, meetings and proceedings
SponsorsThis work was supported by National Key R&D Program of China (No. 2017YFE0112100), EU H2020 Program (MNR4SCell No.734174; NanoStencil No. 767285), National Natural Science Foundation Program of China (Nos. 62175020, 61964007 and 62175019), Jilin Provincial Science and Technology Program (Nos. 2020C022-1, 20190201287JC, 20190702002GH and 20200901011SF), Jilin Province Education Department Program (No. JJKH20210833KJ), and “111” Project of China (No. D17017).
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