Discussion on Ultrasonic Inspection of Nb and Nb55Ti

• Gonzalo Arnau Izquierdo (CERN)
• Simon Adrian Garner (Ministere des affaires etrangeres et europeennes (FR))

Room: 252/R-018 Improvements done by Ningxia with respect to Ultrasonic Inspection procedure and reports. Acceptability of Nb-rich inclusions.

Discussion on mechanical properties (and other properties) of Nb Room: 252/R-018 Discussion on the last qualification tests of NbRRR300 performed at CERN. Replacement of sheet.

Discussion on surface finsih of Nb sheet Room: 252/R-018 Quick overview of the problematic and how it was improved in the last purchase orders.

Discussion on foreseen invitations to tender for HL-LHC WP4

• Nuria Valverde Alonso (CERN)
• Marco Garlasche (CERN)

Room: 252/R-018 Foreseen invitations to tender. USA collaboration. HOM's and pick up antennas.

Open points / Other projects Room: 252/R-018 a) Other points of interest, comments or remarks. Colleagues from other projects can join to ask miscellaneous questions. b) Other material/ engineering services requirements by CERN that Ninxgia/Elite may be in a position to advise and supply.