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Title: Vertical Testing and Preparation of an Acid-Free Electropolished SRF Cavity

Abstract

The project team proposes to build upon recent work to develop a robust, high throughput vertical Final Electropolishing process for SRF cavities, based on an Acid-Free Bipolar Electropolishing process, to replace conventional electropolishing for single and nine-cell cavities at the alpha/beta scale. The development of Bipolar EP for final surface finishing step will enable a manufacturing process that controls costs and reduces the environmental and health hazards associated with using acid solutions. The proposed outcome is a cost effective and robust process for final electropolishing of niobium SRF cavities. The market size for SRF cavities for the International Linear Collider is ~16,000 cavities, with applicability to many other cavity configurations and applications. Other markets for Acid-Free Bipolar EP include niobium-alloys that are hypoallergenic and commonly alloyed with titanium and zirconium to make implantable medical devices and require HF acid for polishing. Elimination of acids for electropolishing of medical implants is an important need and represents a strong commercial opportunity with a US market of ~$45B by 2014. Under this CRADA, Fermilab provided a 1.3 GHz RF cavity to Faraday Technology to use for acid-free electropolishing studies. The original scope of work also provided for up to two tests of themore » electropolished cavity in Fermilab’s Vertical Test Stand (VTS).« less

Authors:
 [1]
  1. Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Publication Date:
Research Org.:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Faraday Technology, Inc., Clayton, OH (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1568836
Report Number(s):
FERMILAB-CRADA-FRA-2014-0011
oai:inspirehep.net:1756982
DOE Contract Number:  
AC02-07CH11359
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Rowe, Allan. Vertical Testing and Preparation of an Acid-Free Electropolished SRF Cavity. United States: N. p., 2016. Web. doi:10.2172/1568836.
Rowe, Allan. Vertical Testing and Preparation of an Acid-Free Electropolished SRF Cavity. United States. https://doi.org/10.2172/1568836
Rowe, Allan. 2016. "Vertical Testing and Preparation of an Acid-Free Electropolished SRF Cavity". United States. https://doi.org/10.2172/1568836. https://www.osti.gov/servlets/purl/1568836.
@article{osti_1568836,
title = {Vertical Testing and Preparation of an Acid-Free Electropolished SRF Cavity},
author = {Rowe, Allan},
abstractNote = {The project team proposes to build upon recent work to develop a robust, high throughput vertical Final Electropolishing process for SRF cavities, based on an Acid-Free Bipolar Electropolishing process, to replace conventional electropolishing for single and nine-cell cavities at the alpha/beta scale. The development of Bipolar EP for final surface finishing step will enable a manufacturing process that controls costs and reduces the environmental and health hazards associated with using acid solutions. The proposed outcome is a cost effective and robust process for final electropolishing of niobium SRF cavities. The market size for SRF cavities for the International Linear Collider is ~16,000 cavities, with applicability to many other cavity configurations and applications. Other markets for Acid-Free Bipolar EP include niobium-alloys that are hypoallergenic and commonly alloyed with titanium and zirconium to make implantable medical devices and require HF acid for polishing. Elimination of acids for electropolishing of medical implants is an important need and represents a strong commercial opportunity with a US market of ~$45B by 2014. Under this CRADA, Fermilab provided a 1.3 GHz RF cavity to Faraday Technology to use for acid-free electropolishing studies. The original scope of work also provided for up to two tests of the electropolished cavity in Fermilab’s Vertical Test Stand (VTS).},
doi = {10.2172/1568836},
url = {https://www.osti.gov/biblio/1568836}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 29 00:00:00 EST 2016},
month = {Tue Nov 29 00:00:00 EST 2016}
}