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Symposium on the Superconducting Science and Technology of Ingot Niobium
September 22-24, 2010
Thomas Jefferson National Accelerator Facility
Newport News, VA

Program

Tuesday, September 21, 2010

6:00 - 8:00pm

Opening Registration/Reception CEBAF Center, Building 12

 

Wednesday, September 22, 2010, CEBAF Center, Room F113

8:00 - 8:30 Registration and Continental Breakfast  
8:30 - 8:45 Welcome Remarks H.Montgomery - Director, Jefferson Lab
Session 1 World View of Ingot Niobium Chair: Tadeu Carneiro
8:45 - 9:00 Introduction to ingot niobium Andrew Hutton
9:00 - 9:30 R&Ds in Asia on large/single crystal niobium after the international niobium workshop 2006 Kenji Saito
9:30 - 10:00 Advances in large grain resonators activities at DESY, W.C. Heraeus and RI Waldemar Singer
10:00 - 10:30 Coffee Break  
10:30 - 11:00 America's overview of superconducting science and technology of ingot niobium Gigi Ciovati
11:00 - 11:30 Q, curvature and hydrogen John Wallace
11:30 - 12:00 Discussions  
12:00 - 1:30 Lunch  
Session 2 Superconducting science and technology of ingot niobium 1 Chair: Kenji Saito
1:30 - 2:00 Thermodynamic evaluation of hydrogen absorption Richard Ricker
2:00 - 2:30 Uniaxial and multiaxial plastic deformation of large niobium grains Thomas Gnäupel-Herold
2:30 - 3:00 Single crystal defect properties and tensile behavior of high purity Nb from Nb ingot slice Thomas Bieler
3:00 - 3: 30 Tea Break  
3:30 - 4:00 Superconducting materials R&D: RRCAT - JLAB Collaboration Sindhunil Roy
4:00 - 4:30 Production of high purity niobium ingots at CBMM Lourenco DeMoura
4:30 - 5:00 Niobium Production at Tokyo Denkai Hiroaki Umezawa
Session 3 Posters and Reception Chair: Gigi Ciovati
5:00 - 6:00 TM020 cavity fabrication from ingot niobium John Mammosser
  Nondestructive measurement of grain orientations and orientation gradients in Nb ingot slices Di Kang
  Ingot niobium RF cavity and materials studies at BARC K. C. Mittal
  High performance electrodes from ingot niobium Ken Surles-Law
  Metal Technology Inc., niobium cavity forming capabilities Steven Smith
6:00 - 8:00 Symposium Dinner  

 

Thursday, September 23, 2010

8:00 - 8:30 Continental Breakfast  
Session 4 Superconducting science and technology of ingot niobium 2 Chair: Bob Rimmer
8:30 - 9:00 Effect of surface treatment on the superconducting properties of niobium Asavari Dhavale
9:00 - 9:30 Thermal conductivity of ingot niobium - estimating with processing history Saravan Chandrasekaran
9:30 - 10:00 Suppressed superconductivity on the surface of SRF quality niobium for particle accelerating cavity Zu Hawn Sung
10:00 - 10:30 Coffee Break  
10:30 - 11:00 Interstitial analysis of niobium with SIMS Prateek Maheswari
11:00 - 11:30 Qo slope analysis of global data and new techniques for Q-slope studies Anna Grassellino
11:30 - 12:00 Discussions  
12:00 - 1:30 Lunch  
Session 5 Superconducting science and technology of ingot niobium 3 Chair: Helen Edwards
1:30 - 2:00 Large grain cavity R&D at KEK Fumio Furuta
2:00 - 2:30 RRR of niobium single crystal acquired by means of AC magnetic susceptibility Alexey Ermakov
2:30 - 3:00 Magneto-Optical Study of high purity Nb for SRF cavities Anatolii Polyanskii
3:00 - 3:30 Investigation of large grain cavity surfaces Genfa Wu
3:30 - 4:00 Tea Break  
4:00 - 5:00 Panel Discussions: Prospects of ingot niobium technology for high performance CW SRF applications Moderator: Andrew Hutton

 

Friday, September 24, 2010 (ARC Building, Room 728)

8:30 - 4:00 Short Course: Metallurgy of Superconducting Niobium Contaminated with Hydrogen John Wallace