Characterization of the Formability of High-Purity Polycrystalline Niobium Sheets for Superconducting Radiofrequency Applications

Characterization of the Formability of High-Purity Polycrystalline Niobium Sheets for Superconducting Radiofrequency Applications

The forming limit diagram (FLD) of high-purity niobium sheets used for the manufacturing of superconducting radiofrequency (SRF) cavities is presented. The Marciniak (in-plane) test was used with niobium blanks with a thickness of 1 mm and blank carriers of annealed oxygen-free electronic (OFE) copp...

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Bibliographic Details
Main Authors: Atieh, S. (Author), Cantergiani, E. (Author), Croteau, J.-F (Author), Jacques, N. (Author), Martiny, M. (Author), Mazars, G. (Author), Robin, G. (Author)
Format: Article
Language:English
Published: American Society of Mechanical Engineers (ASME) 2022
Subjects:
Anisotropy
forming limit diagram
Forming limit diagrams
High purity
Marciniak test
mechanical behavior
Mechanical behavior
metals
niobium
Niobium
plastic behavior
Plastic behavior
Polycrystalline
Radio frequency applications
SRF
Strain rate
Strain-rate sensitivity
Strain-rates
two-zone model
Two-zone model
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