Atomic-level insight into process and mechanism of ion beam machining on aluminum optical surface

Du, Chunyang; Dai, Yifan; Hu, Hao; Guan, Chaoliang; Liu, Junfeng; Lai, Tao; Tian, Yuanyuan

doi:10.1016/j.vacuum.2024.113011

Vacuum

2024

DOI: 10.1016/j.vacuum.2024.113011

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Atomic-level insight into process and mechanism of ion beam machining on aluminum optical surface

Chunyang Du,

Yifan Dai,

Hao Hu

et al.

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2024

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Cited by 2 publications

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Unveiling microstructure effect on nanoscratch behavior of gold-platinum alloys

Luo,

Tian,

Chen

et al. 2024

International Journal of Mechanical Sciences

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Unveiling microstructure effect on nanoscratch behavior of gold-platinum alloys

Luo,

Tian,

Chen

et al. 2024

International Journal of Mechanical Sciences

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Experimental Research of Ultrasonic Cavitation Evolution Mechanism and Model Optimization of RUREMM on Cylindrical Surface

Tong,

2024

Processes

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Micro-pits are widely used in the aerospace and tribology sectors on cylindrical surfaces and electrochemical micromachining which are of great significance for the high material removal rate, absence of tool wear, and mechanical stress, while facing significant challenges such as stray corrosion and low machining efficiency. Aiming at the above problems, this paper proposes a comprehensive method called radial ultrasonic rolling electrochemical micromachining (RUREMM) in which an ultrasonic field has been added onto the cylindrical surface. First, a theoretical model was created to gain the rules of the formation and collapse of bubbles in the liquid medium. Second, to analyze the optimal size of the cathode electrode, the COMSOL5.2 simulation software was proposed to research the influence of the electric field on the different dimensions, and the influences of different parameters in RUREMM on material depth/diameter ratio and roughness are explored through processing experiments. Research results found that the cavitation bubble undergoes expansion, compression, collapse and oscillation, where the max deviation is less than 12.5%. The optimized size was chosen as 200 × 200 μm2 and an electrode spacing of 800 μm through a series of electric field model simulation analyses. Relevant experiments show that the minimum pits with a width of 212.4 μm, a depth of 21.8 μm, and a surface roughness (Ra) of 0.253 μm were formed due to the optimized parameters. The research results can offer theoretical references for fabricating micro-pits with enhanced surface quality and processing precision on cylindrical surfaces.

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Atomic-level insight into process and mechanism of ion beam machining on aluminum optical surface

Cited by 2 publications

References 36 publications

Unveiling microstructure effect on nanoscratch behavior of gold-platinum alloys

Unveiling microstructure effect on nanoscratch behavior of gold-platinum alloys

Experimental Research of Ultrasonic Cavitation Evolution Mechanism and Model Optimization of RUREMM on Cylindrical Surface

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