1. Potential HTS Magnet Projects for MagLab Involvement
Mark D. Bird, et al.
Director of Magnet Science & Technology Division, NHMFL
SC Demo Coils do not require quench protection, reliable technology.
SC User Magnets do!

2. Outline Project Proposal Submitted Discussions Start 2010 2011?
2012?
Discussions
Start
2010
2011?
~2010 ?
Hypersonic Windtunnel (Army)
ZeEMANS (SNS)
30 T (1.28 GHz) NMR
MIT
Nat. Inst. Mat. Science, Japan
Commercial Sources
MagLab
Other High-Field YBCO Solenoids
55 – 60 DC

3. Army Hypersonic Windtunnel
Goal:
Demonstrate high-field, high-gradient magnet technology suitable for a hypersonic windtunnel (>Mach 8).
Partners:
MSE Tech Applications, Inc, Butte Montana: Prime contractor
NHMFL: YBCO Conductor and Coil Technology Development
Sandia National Lab: 1MW electron beam
Princeton University: computational fluid mechanics
Lawrence Livermore National Lab: ultra-high pressure vessels
Oak Ridge National lab: materials development
Funding:
– proposal submitted May 2010
– $10M over 5 yrs for YBCO magnet technology
High Pressure
Gas
Long runs (>1 sec)
Clean Air
Long Nozzle Life
Solenoidal
Magnets
Electron Beam
“Heater”

4. ZEEMANS (SNS) ZEEMANS SNS YBCO Insert:
Coupled H2 moderator ideal for Zeemans
Instrument planned for at last remaining beamline on that moderator: 14A at SNS
Fringe field at adjacent beamline constrains sample position to 70 m from the moderator.
YBCO Insert:
3-4 times the mass of the YBCO coils for 32 T magnet.
Plan to use same technology.
More advanced technology might be required.
7-yr project starting 2011 or later
Spallation Neutron Source (SNS)
Oak Ridge, TN T
0 MW, YBCO
$20M Magnet Proposal to NSF July 2009
$40M Beamline Proposal to DOE Feb 2010
SNS

5. 30 T NMR: Iwasa @ Francis Bitter Lab, MIT
Funding: 3-Phase program from NIH
Schedule:
Year
Phase
Goal
LTS MHz
HTS MHz
Material
2000
25 T (1.07 GHz) NMR I
350 MHz (8.2 T)
300 50
Bi-2223
2002 – 2007 II
700 MHz (16.4 T
600
100
2007
25 T 30 T NMR
2008 – 2012
IIIa
1100 MHz (25.8 T)
500
Bi-2223 & YBCO ?
IIIb
1300 MHz (30.5 T)
700*
Same coils
NMR Quality:
Resistive joints.
Shielding currents high.
Stability low.
Homogeneity low.
Do Phases I-IIIa test high-strain operation of coils, joints, etc?
*LTS Outsert = 16.4 T, 236 mm, 4.2 K

6. 30 T NMR: Iwasa Status for 1.1 GHz
500 MHz LTS outsert FBNML
Outer HTS coil = Bi2223
Tape delivered
Most of double-pancakes wound
Stainless Steel co-wound reinforcing strip, no insulation
Tests of double-pancakes w/o insulation show higher Ic than w/ insulation
Inner HTS coil = YBCO
Tape delivered
~5 double-pancakes wound
Cu co-wound stabilizer w/ ceramic insulation
Concern about winding and performance of YBCO coils

7. Nat. Inst. for Materials Science, Tsukuba, JA
Presently 950 MHz available
2009 demonstrated 500 MHz LTS/Bi-2223 driven system with similar spectrum as 500 MHz persistent LTS magnet.
1.03 GHz (24.2 T) project underway (Bi-2223)
Coil constructed w/ 5 grades of Bi-2223.
Will replace innermost Nb3Sn coil of existing 920 MHz.
Bi, Nb3Sn, NbTi coils all in series.
New magnet to provide 1.03 GHz in 2010 fiscal yr.
1.3 GHz (30.5 T) project (YBCO)
2010 Applied Superconductivity Conf
De-lamination of YBCO impregnated coils,
Screening currents (3)
No schedule presented
2009 Magnet Technology Conf.
Design of 1.3 GHz magnet
YBCO screening currents (2)
2008 Applied SC Conf
30 T YBCO magnet
Persistent 500 MHz
Bi MHz
Kiyoshi, et al., IEEE Trans on Appl. Supercond. 20, 3, pp

8. ~30 T NMR: Commercial Bruker Agilent (Varian, Magnex) Japan, Inc.
Is it profitable?
What level of homogeneity & stability required?
Which conductor?
What other technologies required?
Can we copy the national Labs?
Bruker
1 GHz (23.5 T, 54 mm, $16.3M) delivered w/ Nb3Sn
Building YBCO tape manufacturing line, complete 2011?
1.2 GHz (28.1 T) NMR:
2 Orders placed by Helmholtz Foundation?
>5 yrs for first system?
Partner: Karlsruhe Inst. of Techn./Institute for Technical Physics
Funded by the German government
Exclusive licenses to and access by Bruker.
Agilent (Varian, Magnex)
No public plans for ~30 T NMR
Paul Noonan (Principal Engineer Magnet Tech) recruited from Oxford Instruments
Expressed interest in partnering w/ MagLab
Funding?
Japan, Inc.
NIMS Partnering w/, Kobe Steel, Japan Superconductor Tech, Jeol Ltd for 1.03 GHz

9. 30 T NMR: MagLab YBCO appears to be best conductor for 30 T NMR
All work for 32 T will directly benefit 30 T NMR
What level of uniformity & stability is required?
How do we attain them?
Visiting scientist recently hired to focus on 30 T NMR.
Should we buy 20 T, 78 mm cold bore magnet from Oxford Instruments? (Previously used by OI to test Bi-2212 coils.)
Should we partner w/ commercial suppliers?

10. Other Potential High-Field YBCO Solenoids
Muon Collider
T dc magnet for muon cooling
Collider to be Fermi
Particle Beams Ltd & Brookhaven National Lab developing 2 nested YBCO coils, ~10 T each.
MagLab will be involved in testing BNL coils, possibly involved in design & construction.
Plan to use co-wound steel tape re-inforcement, no insulation.
These are demonstration coils to be tested in 20 T background field.
Not intended to be reliable user facility.
Muons Inc, FermiLab, CERN & others
15 SBIR’s to date
25 T Superconducting Magnetic Energy Storage
BNL won award for high-field YBCO SMES
Korean Basic Sciences Institute wants high-field magnets
Taiwan wants High Field Lab

11. 40% of the power is dissipated in the outermost resistive coil.
COHMAG 60 T HYBRID:
Another need for Materials Development
55T Hybrid Concept for NHMFL
Cable-in-Conduit
Florida-Bitter
56 MW
dc power
~2 m
Existing 45T NHMFL
30 MW Power Dissipation
Seitz-Richardson estimate of $20M,
$15M Actual
Florida-Bitter
Cable-in-Conduit
This slide shows objectives for distant future, unchanged since 2006.
40% of the power is dissipated
in the outermost resistive coil.
25 T, 400 mm radius, ~50 A/mm2.
NHMFL Materials Development to include HTS
Cables for 60T Hybrid
Can a 60 T superconducting magnet be built?

12. Thank You! Supported by: ~2m 200 mm 45T Hybrid 1999
900-MHz Ultra-Wide Bore 2004
~2m
60T Long Pulse 1998
Florida-Bitter Magnets 1995
150T+, ~3 s, 2005
Thank You!
25 T HTS 2003
200 mm
75T, ~10ms, 2004
Supported by:

13. Other Scattering Magnets
Advanced Photon Source, ANL, Chicago
Institute Laue Langevin & European Synchrotron Radiation Facility, Grenoble, France
National Superconducting Light Source II, BNL, NY
Etc.
Numerous labs want >17 T magnets suitable for x-ray or neutron scattering.
How productive is 25 T hybrid for Berlin?
Can magnets > 25 T be all-superconducting?

14. Conventionally Heated Wind Tunnel
Hypersonic Wind Tunnel Concepts
Conventionally Heated Wind Tunnel
Short runs (msec)
Flow contamination& dissociation
Short Nozzle Life
Heated
Gas
Nozzle
Test Section
Mariah Concept
E-Beam Supersonic Thermal Energy Addition
Electron Beam
“Heater”
Solenoidal
Magnets
High Pressure
Gas
Long runs (>1 sec)
Clean Air
Long Nozzle Life
Test Section
Aerodynamic Window

15. TODAY: Robust Worldwide Effort in High Bc Magnets:
Brief scan of program for 21st International Conference on Magnet Technology, Oct 2009, Hefei, China
Andong Nat. Univ., Korea
BPSU
Bruker Scientific, Germany
CEP, Japan
CERN, Switzerland
CMSE, China
Cryogenic Ltd, England
CTSVFS
DIT-MKT, Japan
DOE-HEP, USA
DMSE
ENEA, Italy
FBML, USA
FK, Germany
GSE, Japan
HFLSM, Japan
Ibaraki University, Japan
IEE-CAS, China
ISTEC-SRL, Japan
ITER ORG, France
KAIST, Japan
KBSI, Korea
KERI, Korea
Kyoto Univ., Japan
NCPU, China
NHMFL, USA
NIMS, Tsukuba, Japan
Oxford Instruments, England
RIAS-SKT, Japan
SEEE
SEI, Japan
SJTU, China
Sophia Univ., Japan
SRL, Japan
SSBC, Japan
SuperPower, USA
Univ. of Tokyo, Japan
YNU, Japan

16. High Bc Magnets
1986: discovery of High Tc (High Bc) materials
1992 – 1997: Numerous labs worldwide develop 1 T ∆B coils.
1999: MagLab 2nd to complete 3 T ∆B coil.
2003: MagLab 1st to complete 5 T ∆B coil (25 T total).
2005: COHMAG urges development of
30 T (1.28 GHz) NMR magnet (pg. 75).
Scattering magnets for neutrons & x-rays (pp )
60 T DC (pg. 75).
2006: YBCO 2G tape from Superpower
High Bc Materials
>30 T
YBCO Tape
MagLab, MIT, NIMS
Bi-2212 Round?
Oxford Instr.
~25 T
Bi-2223
NIMS, Japan
MIT
<24 T
Nb3Sn
Bruker 1 GHz
<12 T
NbTi → → →

17. High Bc Publications
# of Papers Presented at International Magnet Technology Conference
1 T ΔB
3 T ΔB
5 T ΔB
2G YBCO tape
7 T ΔB
# of Papers
Year
Presently ~40 organizations worldwide working on High Bc magnets!

18. HTS insert coil trends f 39 mm OD Bi-2212 f 38 mm OD
H. Weijers, et al. 1CO-01
f 163 mm OD
year
BA+BHTS=Btotal
[T]
Jave
[A/mm2]
Stress [MPa] JexBAxRmax
2003
2008
BSCCO
20+5=25 T(tape)
20+2=22 T(wire)
31+1=31 T (wire) 89 92 80
175
109
2007
YBCO- SP I
19+7.8=26.8 T
259
379
YBCO-NHMFL I
31+2.8=33.8 T
439
324
2009
YBCO –SP II
20+7.2=27.2
211
314
YBCO-NHMFL II
20+0.1= 20.1
241
~611
f 39 mm OD
Bi-2212
f 38 mm OD
YBCO SP I 2007 f 87 mm OD 18

19. High Bc Coils High Bc Materials → → → ~25 T Bi-2223 NIMS, Japan MIT
SC User Magnets require quench protection, reliable technology, demonstration coils do not.
High Bc Materials
~25 T
Bi-2223
NIMS, Japan
MIT
Bi-2212 Round
Oxford Instr.
<24 T
Nb3Sn
Bruker 1 GHz
<12 T
NbTi → →
>30 T
YBCO Tape
MagLab, MIT, NIMS, Bruker →

20. 32 T Magnet Project Key Personnel Goal: Funding: Staffing:
32 T, 32 mm bore, 500 ppm over 10 mm DSV, 1 hour to full field, dilution refrigerator w/ <20 mK for installation in TLH.
Funding:
$2M grant from NSF for LTS coils, cryostat, YBCO tape & other components of magnet system
Core grant for development of necessary technology.
Source of funds for dil fridge not known.
Staffing:
>10.3 FTE’s to date in 2010
Key Personnel
Denis Markeiwicz, NHMFL: PI, Magnet Development
David Larbalestier, NHMFL: co-PI, SC Materials
Stephen Julian, Univ of Toronto: co-PI, science
YBCO
Nb3Sn
NbTi

21. YBCO coils built to date
32 T Approach
Commercial Supply:
17 T, 250 mm bore Nb3Sn/NbTi “outsert”
cryostat
In-House development:
15 T, 32 mm bore YBCO coils
YBCO tape quality (Larbalestier)
Tape insulation technology (Weijers?)
Coil winding technology (Weijers)
Joint technology (Weijers)
Schedule
Outsert purchasing to start early 2011
Project complete mid-2013
~20x mass increase
YBCO coils for 32 T
YBCO coils built to date

22. Spallation Neutron Source (SNS)
ZEEMANS Magnet
Cable-In-Conduit Conductor Outsert:
Nb3Sn similar to NHMFL and Berlin + NbTi Shield Coil
YBCO Insert:
3-4 times the mass of the YBCO coils for 32 T magnet.
Plan to use same technology.
More advanced technology might be required.
Schedule
Conceptual Engineering Design of hybrid magnet funded 2006 – 2009
2009 Changed insert from resistive to YBCO
2009 July: Magnet Construction proposal to NSF
2010 Feb: Beamline & Detector Construction proposal submitted to DOE
2018 Project complete
Key Personnel
Collin Broholm, Johns Hopkins: PI, Science
Mark Bird, NHMFL: co-PI, magnet system
Garrett Granroth, SNS: co-PI, beamline & instrumentation
Budget: $20M request for magnet, little contingency
1.7 m
Spallation Neutron Source (SNS)
Oak Ridge, TN T
0 MW
Neutron Scattering
Proposals Submitted
to NSF & DOE

23. ZEEMANS Location ZEEMANS SNS Coupled H2 moderator ideal for Zeemans
Instrument planned for at last remaining beamline on that moderator: 14A at SNS
Fringe field at adjacent beamline constrains sample position to 70 m from the moderator.
POWGEN
FNPB
HySPEC
magnet
Utilities
water
electricity
70m
Proposal submitted July 2009 to NSF for construction of T all-superconducting magnet.
Proposal was submitted Feb 2010 to DOE for infrastructure, beamline & detectors.
Funding decision expected 4Q’10
G.E. Granroth, et al., 19th meeting on Collaboration of Advanced Neutron Sources, Grindelwald, Switzerland, March 8-12 (2010)
SNS

24. Spallation Neutron Source (SNS)
ZEEMANS Magnet
Cable-In-Conduit Conductor Outsert:
Nb3Sn similar to NHMFL and Berlin + NbTi Shield Coil
YBCO Insert:
3-4 times the mass of the YBCO coils for 32 T magnet.
Plan to use same technology.
More advanced technology might be required.
Schedule
Conceptual Engineering Design of hybrid magnet funded 2006 – 2009
2009 Changed insert from resistive to YBCO
2009 July: Magnet Construction proposal to NSF
2010 Feb: Beamline & Detector Construction proposal submitted to DOE
2018 Project complete
Key Personnel
Collin Broholm, Johns Hopkins: PI, Science
Mark Bird, NHMFL: co-PI, magnet system
Garrett Granroth, SNS: co-PI, beamline & instrumentation
Budget: $20M request for magnet, little contingency
1.7 m
Spallation Neutron Source (SNS)
Oak Ridge, TN T
0 MW
Neutron Scattering
Proposals Submitted
to NSF & DOE