Numerical modeling and experimental validation establish a 10 mm minimum bending radius for 6.35 mm OD tantalum tubes with ovalization limited to ±0.5 mm, plus an empirical yield stress relation from hardness, for the FCC-ee positron source.
Tang, Plastic-deformation analysis in tube bending, Interna- tional Journal of Pressure Vessels and Piping 77 (2000) 751–759
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Manufacturability studies for the FCC-ee positron source target: determination of the minimum bending radius and ovalization in tantalum cooling tube elbows
Numerical modeling and experimental validation establish a 10 mm minimum bending radius for 6.35 mm OD tantalum tubes with ovalization limited to ±0.5 mm, plus an empirical yield stress relation from hardness, for the FCC-ee positron source.