Application of prebending effect to triplet cables using bronze-route Nb3Sn strands

被引：6

作者：

Nishijima, Gen ^{[1
]}

Oguro, Hidetoshi

Awaji, Satoshi

Tsubouchi, Hirokazu

Hanai, Satoshi

Watanabe, Kazuo

机构：

[1] Tohoku Univ, Inst Mat Res, High Field Lab Superconduct Mat, Sendai, Miyagi 9808577, Japan

[2] Furukawa Elect Corp Ltd, Nikko 3211493, Japan

[3] Toshiba Co Ltd, Yokohama, Kanagawa 2300045, Japan

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2007年 / 17卷 / 02期

关键词：

critical current; CuNb/Nb3Sn; high-strength; prebending effect; triplet cable;

D O I：

10.1109/TASC.2007.899591

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An application of the prebending effect to a cabling process using Nb3Sn strands was demonstrated. The prebending effect is the enhancement effect of superconducting properties due to the repeated prebending treatment for practical bronze-route Nb3Sn wires. CuNb/Nb3Sn and Cu/Nb3Sn strands were applied prebending treatment using 10 fixed pulleys with 0.8% prebending strain. Four kinds of triplets, i.e., prebent CuNb/Nb3Sn, no-prebent CuNb/Nb3Sn, prebent Cu/Nb3Sn and no-prebent Cu/Nb3Sn triplets were fabricated. Critical currents were measured for the four kinds of triplets in magnetic fields up to 11 T at 4.2 K. The obvious critical current enhancement due to the prebending effect was maintained for the prebent CuNb/Nb3Sn triplet. The results imply that the prebending treatment for high-strength Nb3Sn strands is applicable to the cable conductor fabrication.

引用

页码：2595 / 2598

页数：4

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