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Title Vibro-tumbling as an Alternative to Standard Mechanical Polishing Techniques for SRF Cavities
  • E. Chyhyrynets, O. Azzolini, V.A. Garcia, G. Keppel, C. Pirapresenter, F. Stivanello, L. Zanotto
    INFN/LNL, Legnaro (PD), Italy
Abstract Centrifugal Barrel Polishing (CBP) is a common tool in the Nb bulk SC cavities production, prior to elec-tropolishing (EP). Indeed, the mechanical polishing is fun-damental also in the superconducting thin film resonant cavities in which one of the main issues that limits the per-formances is the surface preparation. A promising vi-bro-tumbling technique is being studied and implemented with a possibility to replace or improve mechanical treat-ment steps (grinding, barrel polishing). The simplic-ity of the technology allows it to adapt to any cavity geom-etry, both for Nb and Cu materials. The presented work contains last results on 6 GHz cavities obtained at LNL-INFN, both Nb bulk and Cu cavities.
Funding Work supported by the INFN V group experiment TEFEN, Agreement N. KE2722/BE/FCC and from the European Union’s H2020 Framework Programme under grant agreement no. 764879 (EASITrain)
Paper download TUP026.PDF [0.723 MB / 3 pages]
Poster download TUP026_POSTER.PDF [5.584 MB]
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Conference SRF2019
Series International Conference on RF Superconductivity (19th)
Location Dresden, Germany
Date 30 June-05 July 2019
Publisher JACoW Publishing, Geneva, Switzerland
Editorial Board Peter Michel (HZDR, Dresden, Germany); André Arnold (HZDR, Dresden, Germany); Volker RW Schaa (GSI, Darmstadt, Germany)
Online ISBN 978-3-95450-211-0
Online ISSN ""
Received 21 June 2019
Accepted 30 June 2019
Issue Date 14 August 2019
DOI doi:10.18429/JACoW-SRF2019-TUP026
Pages 464-466
Creative Commons CC logoPublished by JACoW Publishing under the terms of the Creative Commons Attribution 3.0 International license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI.