Electropolishing of surfaces: theory and applications

G Yang, B Wang, K Tawfiq, H Wei, S Zhou… - Surface …, 2017 - Taylor & Francis
Electropolishing is the electrochemical process to remove the metallic material from the
workpiece, in order to obtain a smoother metal surface. It has found vast engineering …

The mechanism of electropolishing of niobium in hydrofluoric–sulfuric acid electrolyte

H Tian, SG Corcoran, CE Reece… - Journal of the …, 2008 - iopscience.iop.org
Niobium surfaces are commonly electropolished in an effort to obtain optimal smoothness
for high-field superconducting radio-frequency cavity applications. We report the use of …

Materials and surface aspects in the development of SRF Niobium cavities

C Antoine - 2012 - cds.cern.ch
Foreword from author; When I joined the CEA Saclay SRF group in 1989, my initial
background was physical chemistry and surface science, which I completed later on with …

On the mechanism of niobium electropolishing

A Chandra, M Sumption… - Journal of the …, 2012 - iopscience.iop.org
The mechanism of Nb electropolishing was studied. In particular, the effects of acid
concentration, stirring, temperature and amount of material removed on the surface finish …

Effects of normal load, sliding speed, and surface roughness on tribological properties of niobium under dry and wet conditions

NW Khun, GS Frankel, M Sumption - Tribology Transactions, 2014 - Taylor & Francis
The effects of normal load, sliding speed, and surface roughness on the friction and wear of
high-purity niobium (Nb) during sliding without and with an introduction of water were …

Electrochemical polishing applications and EIS of a vitamin B4-based ionic liquid

AI Wixtrom, JE Buhler, CE Reece… - Journal of The …, 2013 - iopscience.iop.org
Modern particle accelerators require minimal interior surface roughness for Niobium
superconducting radio frequency (SRF) cavities. Polishing of the Nb is currently achieved …

Smoothening of niobium by electropolishing

NW Khun, M Sumption, GS Frankel - Journal of Applied Electrochemistry, 2013 - Springer
The effects of various electropolishing (EP) parameters such as duration, applied voltage,
working temperature, mechanical prepolishing and acid volume ratio on the EP process …

Chemical analysis of fluorine in niobium electropolishing

DC Ford, C Cooper, LD Cooley… - Journal of the …, 2013 - iopscience.iop.org
Surface topography and chemical purity are important factors in niobium superconducting
radio-frequency (SRF) cavity performance. Electropolishing (EP) is currently being used to …

Electrochemical polishing applications and EIS of a novel choline chloride-based ionic liquid

AI Wixtrom, JE Buhler, CE Reece… - ECS …, 2013 - iopscience.iop.org
Minimal surface roughness is a critical feature for high-field superconducting radio
frequency (SRF) cavities used to engineer particle accelerators. Current methods for …

Novel characterization of the electropolishing of niobium with sulfuric and hydrofluoric acid mixtures

H Tian, C Reece, M Kelley, S Corcoran - 2008 - osti.gov
Niobium surfaces are commonly electropolished in an effort to obtain optimally smooth
surfaces for high-field SRF cavity applications. We report the first use of controlled …