Laboratory for the detailed examination of large series of niobium sheets for the production of superconducting cavities
The production of state-of-the-art superconducting accelerator cavities requires high quality niobium material. Therefore DESY developed and is using a special eddy current scanning device to search for inclusions in the Niobium sheet material. A total of almost 15,000 sheets delivered from different vendors were scanned for the European XFEL project. Also all sheets needed for the production of LCLS-II cavities were scanned at DESY. In-kind contributors to the ESS project profit as well from the existing infrastructure.
Metallurgy laboratory for the examination of material needed for the production of superconducting cavities
The quality control of Niobium material used for cavity production profits from the operation of a metallurgy laboratory at DESY. Long time expertise is used to study defects found during eddy current scanning. The control of essential niobium properties is of utmost importance for reaching high accelerating gradients and low cryogenic losses.
DESY, Hamburg (Germany)
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