Simulation and Analysis on Micro Pit Array of Titanium Alloy with Hydrophobic Surface by Mask Electrochemical Micromachining

ZHANG Hongwei; MENG Jianbing; ZHOU Haian; QU Linghui; DONG Xiaojuan; LI Li; GUAN Qingyi; WANG Shuaike

doi:10.13433/j.cnki.1003-8728.20200616

Volume 42 Issue 1

Jan. 2023

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Article Navigation > Mechanical Science and Technology for Aerospace Engineering > 2023 > 42(1): 106-112

ZHANG Hongwei, MENG Jianbing, ZHOU Haian, QU Linghui, DONG Xiaojuan, LI Li, GUAN Qingyi, WANG Shuaike. Simulation and Analysis on Micro Pit Array of Titanium Alloy with Hydrophobic Surface by Mask Electrochemical Micromachining[J]. Mechanical Science and Technology for Aerospace Engineering, 2023, 42(1): 106-112. doi: 10.13433/j.cnki.1003-8728.20200616

Citation:

ZHANG Hongwei, MENG Jianbing, ZHOU Haian, QU Linghui, DONG Xiaojuan, LI Li, GUAN Qingyi, WANG Shuaike. Simulation and Analysis on Micro Pit Array of Titanium Alloy with Hydrophobic Surface by Mask Electrochemical Micromachining[J]. Mechanical Science and Technology for Aerospace Engineering, 2023, 42(1): 106-112. doi: 10.13433/j.cnki.1003-8728.20200616

Citation:

ZHANG Hongwei, MENG Jianbing, ZHOU Haian, QU Linghui, DONG Xiaojuan, LI Li, GUAN Qingyi, WANG Shuaike. Simulation and Analysis on Micro Pit Array of Titanium Alloy with Hydrophobic Surface by Mask Electrochemical Micromachining[J]. Mechanical Science and Technology for Aerospace Engineering, 2023, 42(1): 106-112. doi: 10.13433/j.cnki.1003-8728.20200616

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Simulation and Analysis on Micro Pit Array of Titanium Alloy with Hydrophobic Surface by Mask Electrochemical Micromachining

doi: 10.13433/j.cnki.1003-8728.20200616

School of Mechanical Engineering, Shandong University of Technology, Zibo 255000, Shandong, China

Received Date: 2021-04-27
Publish Date: 2023-01-25

Abstract

Abstract

In order to obtain a higher contact angle and improve its hydrophobicity, the micro texture on the surface of dimple array of titanium alloy was machined by using the mask electrolysis technology. Firstly, a model for micro pit array mask electrochemical machining is established and multi physical field coupling simulation is carried out; Secondly, the effect of the mask electrochemical machining parameters on the micro pit array is analyzed, and the solid-liquid contact area ratio of the micro pit array is obtained by means of the wetting theory model; Finally, with the area ratio as the dependent variable, the electrolyte mass fraction, electrolytic voltage and mask size as the independent variables, the orthogonal experiment simulation and range analysis were carried out to obtain the best combination of process parameters. Comparing with the predicted values, the errors of the measured values of cell diameter, spacing, depth, solid-liquid contact area ratio and surface contact angle are less than 8%, which indicates that the micro pit array with a contact angle of about 140° is successfully fabricated without modification of low surface energy materials.
- mask electrochemical machining,
- micro pit array,
- hydrophobic surface,
- titanium alloy,
- multi-physics coupling

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References(25)

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