Status of 2G HTS Wire Production at SuperOx
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1 Status of 2G HTS Wire Production at SuperOx Sergey Samoilenkov SuperOx, Moscow, Russia 1
2 Outline About SuperOx 2G HTS wire characteristics New customization options for 2G HTS wire Development for applications at SuperOx 2
3 SuperOx SuperOx company founded in November 2006 in Moscow 2011: SuperOx Japan LLC founded in Tokyo 2012: starts production of 2G HTS wire in Russia and Japan 2014 : delivers 2G HTS to customers in 10 countries worldwide Japan Russia 3
4 SuperOx (Moscow) IEEE/CSC & ESAS SUPERCONDUCTIVITY NEWS FORUM (global edition), April production of 2G HTS wire development of process equipment R&D quality control development of HTS equipment market development 850 m 2 / staff
5 SuperOx Japan LLC IEEE/CSC & ESAS SUPERCONDUCTIVITY NEWS FORUM (global edition), April production of 2G HTS wire quality control R&D market development / staff - 5 5
6 Structure of 2G HTS Wire Customization (silver/copper/solder/lamination/isolation) HTS layer Substrate - polishing or planarisation - buffer layers 6
7 Plans to develop Production in Moscow Stage Substrate outsource outsource outsource Polishing SuperOx SuperOx SuperOx Buffer layers SuperOx Japan SuperOx SuperOx HTS SuperOx Japan SuperOx Japan SuperOx Customization SuperOx SuperOx SuperOx 7
8 Production Localization in Russia + extended customization + buffer layers + HTS layer SuperOx plans to retain production units both in Japan and Russia 8
9 Outline About SuperOx 2G HTS wire characteristics New customization options for 2G HTS wire Development for applications at SuperOx 9
10 Basic 2G HTS Wire Structure Ag RBCO CeO 2 :RE LaMnO 3 IBAD - MgO LaMnO 3 DC sputtering (1-2 microns) PLD-2 (1-3 microns) at T2 PLD-1 ( nm) at T1 RF sputtering-2 (30-50 nm) at T1 Ion beam assisted deposition with RF sputtering (5-7 nm) RF sputtering-2 (30-50 nm) at T1 Dual-Chamber PLD system Single Chamber Al 2 O 3 Hastelloy C276 RF sputtering (50 nm) Cold-rolled electropolished ( microns) 10
11 2G HTS Wire Properties IEEE/CSC & ESAS SUPERCONDUCTIVITY NEWS FORUM (global edition), April Long tapes with critical current of 500 A/12 mm available 11
12 2G HTS Wire Properties IEEE/CSC & ESAS SUPERCONDUCTIVITY NEWS FORUM (global edition), April Long tapes with critical current of 150 A/12 mm available 12
13 2G HTS Wire Our Progress in Ic (77K, sf), A/12 mm March 2014 September 2013 Ic x Length (A-m) July Length, m 13
14 Short Summary Parameter Single piece length Substrate thickness IEEE/CSC & ESAS SUPERCONDUCTIVITY NEWS FORUM (global edition), April Value up to 500 m 60 or 100 microns Width 4 mm 12 mm Ic (77K, sf) A A Ic uniformity ±10% ±10% Customization: Any silver thickness Any copper thickness Lamination Isolation Solder-plating Joints we consider any other options 14
15 Ic in Magnetic Field IEEE/CSC & ESAS SUPERCONDUCTIVITY NEWS FORUM (global edition), April B//c B//c Source : RRI U Wellington, HTS mm wire 15
16 Lift Factor at 77K IEEE/CSC & ESAS SUPERCONDUCTIVITY NEWS FORUM (global edition), April B//c, 77K Ic(B) / Ic 0.10 Pretty good reproducibility of lift factors at 77K 0.01 Source : 4 institutes in Russia + MIT В, B, Т T 16
17 Lift Factor at 4 to 77K IEEE/CSC & ESAS SUPERCONDUCTIVITY NEWS FORUM (global edition), April I c (B,T)/I c (77 K, с.п.) Ic(B,T) / Ic(77K, sf) B//c Ic(20 T, 4.2K) = = Ic(77K, sf) 5 K ENEA 4 K NHMFL 4 K CRPP 4 K U Geneva 20 K ENEA 40 K ENEA 65 K ENEA 77 K ENEA B, B, Т T 17
18 Lift Factor at 4.2 K IEEE/CSC & ESAS SUPERCONDUCTIVITY NEWS FORUM (global edition), April Ic (B) / Ic(77K, 0T) B//c U Geneva: 4.2 K, transp. NHMFL: 4.2 K, transp. LPI: 4.2 K, VSM ENEA: 5 K, VSM CRPP: 4.2K, transp. KIT, 4.2K, transp. Good reproducibility of lift factors at 4K too B, Т T 18
19 Outline About SuperOx 2G HTS wire characteristics New customization options for 2G HTS wire Development for applications at SuperOx 19
20 Surround Polyimide Coating Alternative to wrapping more uniform and thinner insulation Variable thickness PI coating bare tape new SuperOx process standard dip coating 20
21 Solder-plated wire IEEE/CSC & ESAS SUPERCONDUCTIVITY NEWS FORUM (global edition), April Useful for making stacks or as alternative stabilization Variable thickness solder plating ~ 200 o C PbSn ~ 120 o C SnIn ~ 100 o C PbBiSn (Rose s metal) etc 21
22 Outline About SuperOx 2G HTS wire characteristics New customization options for 2G HTS wire Development for applications at SuperOx 22
23 2G HTS Wire Blocks for Magnetic Levitation blocks made from 2G HTS wires provide stable levitation over PM viable alternative to HTS bulks any form and size possible Levitation force is larger than 1 kg per 1 m of 12 mm 2G HTS tape 23
24 Thank you for your attention! 24
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