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3-d
(red-blue anaglyph)fractograph of IGC-AS high Jc (critical current density) strand cross-section. FESEM. Heat
treated strand supplied to the UW by IGC-Advanced Superconductors,
Waterbury, CT.
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JPG
24 bit
1381x1972
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3-d
(red-blue anaglyph)fractograph: IGC-AS ITER strand - extracted
filaments.
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JPG
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3-d
(red-blue anaglyph)fractograph: IGC-AS internal Sn Nb3Sn
strand - filaments with large external grains.
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JPG
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Nano-Treats!
3-d (red-blue anaglyph) fractograph of Nb3Sn layer
deposited by Lance Cooley.
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JPG
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3-d
(red-blue anaglyph)fractograph of Nb3Sn layer in
high critical current OI-ST MJR Nb3Sn strand. Unreacted
strand supplied to the UW by Oxford Instruments Inc. - Superconducting
Technology, Carteret, NJ.
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JPG
24 bit
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3-d
(red-blue anaglyph)fractograph - side view of transverse fracture
of OI-ST MJR Nb3Sn after ramping to final heat treatment
temperature. Strands
are deliberately fractured to reveal grain size. FESEM. Unreacted
strand supplied to the UW by Oxford Instruments Inc. - Superconducting
Technology, Carteret, NJ.
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JPG
24 bit
2304x3052
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3-d
(red-blue anaglyph)fractograph of OI-ST high critical current
density MJR Nb3Sn A15 layer. The
strand has been ramped to final heat treatment temperature but
has received its final HT. Unreacted
strand supplied to the UW by Oxford Instruments Inc. - Superconducting
Technology, Carteret, NJ.
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JPG
24 bit
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3-d
(red-blue anaglyph)fractograph of a large central void in a
partially heat treated OI-ST MJR Nb3Sn sub-element. Unreacted
strand supplied to the UW by Oxford Instruments Inc. - Superconducting
Technology, Carteret, NJ.
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JPG
24 bit
1510x1083
1.3MB
1024x735
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3-d
(red-blue anaglyph)fractograph of A15 layer in SMI PIT Nb3Sn
filament. Note
large interior grain layer but uniform grain size across main
A15 layer. Unreacted strand supplied to the UW by Shapemetal
Innovation B. V., Enschede, The Netherlands.
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JPG
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3-d
(red-blue anaglyph)fractograph of SMI-PIT Nb3Sn filament. A
chunk of filament has been pulled out allowing us to see both
the longitudinal as well and the transverse microstructure.
The now porous inner core was the source of the Sn (this design
using a powder core containing Nb-Sn compounds). The next photo
uses a higher magnification. FESEM. Unreacted strand supplied
to the UW by Shapemetal Innovation B. V., Enschede, The Netherlands.
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