[HTML][HTML] Green electropolishing using choline chloride-based deep eutectic solvents: A review

A Kityk, V Pavlik, M Hnatko - Journal of Molecular Liquids, 2023 - Elsevier
This comprehensive review demonstrates the great potential of green electropolishing with
choline chloride-based deep eutectic solvents (DESs), offering a detailed overview of recent …

Electropolishing parameters study for surface smoothening of low-β 650 MHz five-cell niobium superconducting radio frequency cavity

V Chouhan, G Wu, B Guilfoyle, T Reid, T Ring… - Nuclear Instruments and …, 2023 - Elsevier
Electropolishing (EP) is applied to niobium (Nb) superconducting radio frequency (SRF)
cavities, which are used in particle accelerators for their surface treatment. The EP process …

Electropolishing behavior of niobium in choline chloride-based deep eutectic solvents

Q Chu, A Wu, T Tan, H Guo, P Xiong, S Huang… - Applied Surface …, 2021 - Elsevier
The electropolishing (EP) mechanism of niobium (Nb) in relatively eco-friendly deep eutectic
solvents (DES) instead of the widely used HF-based electrolyte was studied by anodic …

Quantitative analysis of niobium in electropolishing solution by laser-induced breakdown spectroscopy using porous silicon

A Matsumoto, Y Toyama, Y Shimazu, K Nii… - Journal of Analytical …, 2024 - pubs.rsc.org
For the construction of the international linear collider, mass production of niobium (Nb)
superconducting cavities is essential. In the surface treatment of the Nb cavities, on-site …

Vertical electropolishing for 1.3 GHz single-and nine-cell superconducting niobium cavities: A parametric optimization and rf performance

V Chouhan, S Kato, K Nii, T Yamaguchi, M Sawabe… - … Review Accelerators and …, 2019 - APS
Electropolishing (EP) is a standard process for the treatment of the interior surface of
niobium (Nb) superconducting radio-frequency (SRF) cavities used in particle accelerators …

Chemical analysis and field emission study of electropolished niobium surface containing synthesized niobium oxide particles

V Chouhan, S Kato, Y Ida, K Nii, T Yamaguchi… - Materials Chemistry and …, 2021 - Elsevier
We conducted electropolishing (EP) of a Nb superconducting RF coupon cavity containing
coupons at various positions of the cavity, and laboratory EP of Nb samples. The surface of …

Electropolishing of inside surfaces of stainless steel tubing

Z Chaghazardi, L Hof, R Wuthrich - ECS Transactions, 2020 - iopscience.iop.org
This study aims to investigate the electropolishing of inside walls of stainless steel 316
tubing using internal counter-electrodes with a focus on the effect of parameters such as …

Effect of electropolishing on nitrogen doped and undoped niobium surfaces

V Chouhan, F Furuta, M Martinello, T Ring… - arXiv preprint arXiv …, 2022 - arxiv.org
Cold electropolishing (EP) of a nitrogen-doped (N-doped) niobium (Nb) superconducting RF
(SRF) cavity was found to improve its quality factor. In order to understand the effect of EP …

[PDF][PDF] Vertical Electro-Polishing of 704 MHz Resonators Using Ninja Cathode: First Results

F Éozénou, M Baudrier, E Cenni, E Fayette… - … Conference on RF …, 2021 - epaper.kek.jp
Abstract Vertical Electro-Polishing (VEP) of elliptical cavities using rotating Ninja cathodes
(Marui Company patented technology) has continually been improved since 2012 and …

Electropolishing study on nitrogen-doped niobium surface

V Chouhan, T Ring, E Viklund, G Wu - 2023 - osti.gov
The nitrogen doping (N-doping) process is applied to niobium (Nb) superconducting cavities
to enhance their quality factors. The N-doping is followed by an electropolishing process that …