Measurements of AC loss in cored Nb3Sn Rutherford cables: Interstrand contact resistance as function of core width

被引：0
|
作者：
Collings, E. W. [1 ]
Sumption, M. D. [1 ]
Barzi, E. [2 ]
Turrioni, D. [2 ]
Yamada, R. [2 ]
Zlobin, A. V. [2 ]
Ilyin, Y. [3 ]
Nijhuis, A. [3 ]
机构：
[1] Ohio State Univ, LASM, MSE Dept, Columbus, OH 43210 USA
[2] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[3] Univ Twente, Fac Appl Sci, Low Temp Div, Enschede, Netherlands
来源：
ADVANCES IN CRYOGENIC ENGINEERING, VOL 54: TRANSACTIONS OF THE INTERNATIONAL CRYOGENIC MATERIALS CONFERENCE - ICMC | 2008年 / 986卷
关键词：
Nb3Sn; critical frequency; AC loss; contact resistance;
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Magnetic measurements of cored-cable AC loss accompanied by SEM measurements of cable cross sections have been made in an investigation of the effects of core width and position on the effective interstrand contact resistance, R-perpendicular to,R-eff.. The results were compared with those of previous studies of Rutherford cables with cores of various widths and designs. It was noted that although the uncored R-perpendicular to,R-eff.S agreed well with those measured previously the cored results fell short of expectation. The suppression of R-perpendicular to,R-eff. is attributed to several factors that differ from cable to cable: e.g. displacement of the narrower cores to one edge of the cable, shrinkage in the width of the widest core as a result of severe compaction-induced imprinting. After allowing for these factors the projected R-perpendicular to,R-eff. tended to agree with previous results for full-width-core Nb3Sn cables.
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页码：285 / +
页数：2
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