NDLI: Prototype <inline-formula> <tex-math notation=TeX>$hbox{Nb}_{3}hbox{Sn}$</tex-math></inline-formula> Superconducting Strand for ITER CS Coil Conductor Produced in Korea Using the Internal-Tin Route

Content Provider	IEEE Xplore Digital Library
Author	Soun Pil Kwon Ki-Hong Sim Young Jae Ma Soo-Hyeon Park Pyeong-Yeol Park Ik-Sang Shin Heekyung Choi Young-Ho Seo Kyeong-Ho Jang Wonwoo Park
Copyright Year	2002
Abstract	The ITER tokamak being constructed in southern France will incorporate a central solenoid (CS) coil consisting of 6 modules stacked one on top of the other. Each module will be constructed from round-in-square Nb₃Sn based superconducting cable-in-conduit conductor (CICC). Production of CS conductor for the ITER tokamak had been delayed due to discoveries of faster than expected performance degradation. Investigations into mitigating this shortfall have included using internal-tin (IT) route Nb₃Sn strand in place of the bronze (BR) route strand that was originally proposed. Prototype ITER CS conductor samples have been produced using IT route Nb₃Sn strand in conjunction with cabling optimization, and conductor performance tests show that they satisfy ITER performance requirements. One of the suppliers of IT route ITER Nb₃Sn strand, which will be supplying superconducting strand for ITER CS conductor, is Kiswire Advanced Technology Ltd. (KAT) of Daejeon, Korea. The characteristics of their prototype Nb₃Sn strand for ITER CS conductor are presented. Furthermore, performance degradation of the CS strand due to possible strand deformations during the cabling process was also investigated. The results show similarities as well as differences with recent results obtained with BR route Nb₃Sn strand. However, direct interpretation of the strand deformation versus performance results may not lead to correct predictions of cable performance because of the strand contact interaction mechanism investigated.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1
Ending Page	6
Page Count	6
File Size	1212374
File Format	PDF
ISSN	10518223
Volume Number	25
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conductors Niobium-tin Integrated circuits Prototypes Degradation Superconducting cables Blades niobium-tin central solenoid internal tin ITER multifilamentary superconductors Central solenoid (CS)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Manufacturing and Preliminary Performance Expectations of $hbox{Nb}_{3}hbox{Sn}$ Based Conductors Allocated for the First ITER TF Coil With CICC From Korea

Cabling Technology of $hbox{Nb}_{3}hbox{Sn}$ Conductor for ITER Central Solenoid

Analysis of Internal-Tin $hbox{Nb}_{3}hbox{Sn}$ Conductors for ITER Central Solenoid

Development of a New RF Produced Internal Tin ITER TF Conductor Sample for Testing in SULTAN Facility

Development and Sultan Test Result of ITER Conductor Samples of Korea

Progress on TF and PF Conductor for ITER in China

Preliminary Performance Test Results of First CICC From Korea Destined for an ITER TF Magnet

Performance of Japanese $hbox{Nb}_{3}hbox{Sn}$ Conductors for ITER Toroidal Field Coils

Overview of Conductor Production for ITER Toroidal Field Magnet in Korea

Prototype $hbox{Nb}_{3}hbox{Sn}$ Superconducting Strand for ITER CS Coil Conductor Produced in Korea Using the Internal-Tin Route

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Manufacturing and Preliminary Performance Expectations of $hbox{Nb}_{3}hbox{Sn}$ Based Conductors Allocated for the First ITER TF Coil With CICC From Korea

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