Optimization of the BCP processing of elliptical nb srf cavities
Conference
·
OSTI ID:897244
At present, the electropolishing (EP) process is considered the key technology unleashing the capability to produce Niobium SRF cavities performing at or above 35 MV/m. Nevertheless buffered chemical polishing (BCP) remains a cheap, simple and effective processing technique for single grain high gradient and polycrystalline lower gradient cavities. BCP will be adopted to chemically process the third harmonic 3.9 GHz cavities being fabricated at Fermilab [1]. The dimensions and the shape of these cavities yield a strong nonuniformity in the material removal between iris and equator of the cells. This paper describes the thermal-fluid finite element model adopted to simulate the process, the experimental flow visualization tests performed to verify the simulation and a novel device fabricated to solve the problem.
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 897244
- Report Number(s):
- FERMILAB-CONF-06-181-TD
- Country of Publication:
- United States
- Language:
- English
Similar Records
Update on the R&D of vertical buffered electropolishing on Nb samples and SRF single cell cavities
Comparing the Effectiveness of Low Temperature Bake in EP and BCP Cavities
Origins of quench in buffered chemical polished and low temperature baked SRF cavities
Conference
·
Fri Jun 01 00:00:00 EDT 2012
·
OSTI ID:1994845
Comparing the Effectiveness of Low Temperature Bake in EP and BCP Cavities
Conference
·
Mon Sep 25 00:00:00 EDT 2023
· JACoW
·
OSTI ID:2279063
Origins of quench in buffered chemical polished and low temperature baked SRF cavities
Conference
·
Tue Sep 26 00:00:00 EDT 2023
· JACoW
·
OSTI ID:2479598