The Influence of Microstructure Geometric Parameters on the Icing Properties of Aluminum Alloy Surface

被引：0
|
作者：
Wan Y.-L. [1 ]
Yan C.-D. [1 ]
Wang B. [1 ]
Yu H.-D. [1 ]
机构：
[1] Key Laboratory of the Ministry of Education on Cross-Scale Micro and Nano-Manufacturin Changchun University of Science and Technology, Changchun
来源：
Surface Technology | 2022年 / 51卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Aramid fiber composites; Clamping method; Hole-making defects; Roughness of inner wall of hole;
D O I：
10.16490/j.cnki.issn.1001-3660.2022.01.029
中图分类号：
学科分类号：
摘要：
This paper is to prepare a stable anti-icing surface, and to explore the influence of surface microstructure geometric parameters on the surface icing performance. In this paper, aluminum alloy is used as the base material, and the wire electrical discharge machining (WEDM) is used to construct an array structure of controllable micron-sized grooves and square pillars on the surface of the material. The wettability, icing performance and stability of the sample were tested. The results show that the surface of the prepared microstructure is superhydrophobic or nearly superhydrophobic. The microstructure surface has excellent anti-icing performance, and the anti-icing performance of the square pillar structure surface is better than that of the groove structure surface. The increase in the height of the microstructure and the decrease in the width will delay the freezing time of the water droplets on the surface of the microstructure, and the width has a greater influence. The freeze-melt cycle test shows that the surface of the microstructure has a certain degree of stability. The analysis of the anti-icing mechanism shows that the two-level structure of the microstructure surface forms the “air cushion effect”, which improves the hydrophobicity of the surface and reduces the solid-liquid contact area; the height of the microstructure increases, the width decreases, and the shape changes from grooves to square pillars, which increases the heat transfer resistance, reduces the heat transfer area, and slows down the thermal energy loss of the droplets during three-phase contact, thus prolonging the freezing time. The WEDM method improves the hydrophobicity of the surface while constructing the microstructure, and the geometric parameters of the microstructure improve the anti-icing performance of the surface to varying degrees, providing a new idea for exploring new anti-icing surfaces. © 2022, Chongqing Wujiu Periodicals Press. All rights reserved.
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页码：272 / 279
页数：7
相关论文
共 27 条
  • [1] AN Li-jia, Fabrication and Condensation and Frosting Properties of the Surfaces with Nano Arrays and Heterogeneous Wettability, (2016)
  • [2] DING Gui-fu, WANG Hong, WANG Yan, Et al., Nano Superhydrophobic Surface Used for Airplane Antifreezing and Deicing and Preparation Method Thereof
  • [3] XU Wen-ji, SONG Jin-long, SUN Jing, Et al., Characteristics of Ice and Frost Formation on Superhydrophobic Surfaces on Aluminum Substrates, Journal of Refrigeration, 32, 4, pp. 9-13, (2011)
  • [4] ZHANG You-fa, YU Xin-quan, ZHOU Quan-hui, Et al., Fabrication and Anti-Icing Performance of a Superhydrophobic Copper Surface with Low Adhesion, Acta Physico-Chimica Sinica, 26, 5, pp. 1457-1462, (2010)
  • [5] ZHENG Jun-ping, FANG Xin, LI Shi, Et al., Double-Component Fluorosilicone Rubber Ice-Covering-Proof Coating Material and Preparation Method Thereof
  • [6] SHI Wei-wei, WANG Lei, GUO Zhen-yu, Et al., Excellent Anti-Icing Abilities of Optimal Micropillar Arrays with Nanohairs, Advanced Materials Interfaces, 2, 18, (2015)
  • [7] YANG Wen-xuan, YUAN Yuan, LIU Guo-yong, Et al., The Anti-Icing/Frosting Aluminum Surface with Hydrangea-Like Micro/Nano Structure Prepared by Chemical Etching, Materials Letters, 226, pp. 4-7, (2018)
  • [8] TAO Zheng-xing, Lecture 3, Classical Nucleation Theory (1) (Liquid-Solid Nucleation), Shonghai Steel & Iron Research, 3, pp. 72-81, (1982)
  • [9] KNIGHT C A., Adding to the Antifreeze Agenda, Nature, 406, 6793, pp. 249-251, (2000)
  • [10] SHEN Yi-zhou, TAO Jie, TAO Hai-jun, Et al., Anti-Icing Potential of Superhydrophobic Ti6Al4V Surfaces: Ice Nucleation and Growth, Langmuir: The ACS Journal of Surfaces and Colloids, 31, 39, pp. 10799-10806, (2015)
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