New experimental plans for Jc and Magnetization measurement John Himbele, Arnaud Badel, Pascal...
-
Upload
godwin-harrell -
Category
Documents
-
view
214 -
download
0
Transcript of New experimental plans for Jc and Magnetization measurement John Himbele, Arnaud Badel, Pascal...
1
New experimental plans for
Jc and Magnetization measurementJohn Himbele, Arnaud Badel, Pascal Tixador
2
Field available at LNCMI
M8 (future hybrid site) : 19 T in Ø 170 mm
M10 : 10 T in Ø 370 mm
Available for experiments in March-April
Available for experiments in May-June
3
Experimental setup in Ø 170 mm
Experimental setup properties
Max. Current 1.8 kA
Temperature 4.2 K – 77 K
Sample length 240 mm
Sample width 4-12 mm
Max. Field lg 19 T
Field orientation Up to 14 T under 8°
Ø115
Hot
bor
e w
all
Sam
ple
posi
tion
4
Expected measurement in Ø 170 mm
Experimental setup properties
Max. Current 1.8 kA
Temperature 4.2 K – 77 K
Sample length 240 mm
Sample width 4-12 mm
Max. Field lg 19 T
Field orientation Up to 14 T under 8°
Ø115
• Critical current over long length : problem of max. current ?
• Magnetization measurements under high field / small anglesUsing hall sensor and pick up coil
• Behavior of tapes under non-homogeneous field : effect of width ?
5
Experimental setup in Ø 370 mm : test of racetracks
Experimental setup properties
Max. Current 3 kA
Temperature 4.2 K
racetrack length < 240 mm
Max. Field 10 T
Field orientation Up to 10°
Expected measurement
• Test of cable configurations : twisted stack – face-to-face ?
• Current distribution
• Field drift due to magnetization
• Effect of angle on magnetization