25–30 Aug 2024
Hilton Chicago
America/Chicago timezone

Study of mechanical grinding effects on niobium surface

THPB027
29 Aug 2024, 16:00
2h
Boulevard (Hilton Chicago)

Boulevard

Hilton Chicago

720 South Michigan Ave Chicago, IL 60605 USA
Poster Presentation MC4.8 Superconducting RF Thursday Poster Session

Speaker

Vijay Chouhan (Fermi National Accelerator Laboratory)

Description

Mechanical grinding is commonly employed to eliminate surface defects such as scratches and pits from niobium cavity surfaces or sheets before cavity fabrication. Subsequently, chemically buffered polishing or electropolishing is often utilized to completely remove residues of the polishing media and any defects induced by mechanical grinding, ensuring a pristine surface. In this study, we conducted a systematic investigation to assess the influence of mechanical grinding using silicon car-bide and aluminum oxide polishing media on niobium surfaces. Additionally, the study examines the effects of post-mechanical grinding chemical treatments on surface quality.

Primary author

Vijay Chouhan (Fermi National Accelerator Laboratory)

Co-authors

Davida Smith (Fermi National Accelerator Laboratory) Genfa Wu (Fermi National Accelerator Laboratory) Tim Ring (Fermi National Accelerator Laboratory)

Presentation materials

There are no materials yet.