Influence of strand surface condition on interstrand contact resistance and coupling loss in NbTi-wound Rutherford cables

被引：21
|
作者：
Sumption, MD
Collings, EW
Scanlan, RM
Nijhuis, A
ten Kate, HHJ
Kim, SW
Wake, M
Shintomi, T
机构：
[1] Ohio State Univ, Dept Mat Sci & Engn, Columbus, OH 43210 USA
[2] Lawrence Berkeley Lab, Superconducting Magnet Grp, Berkeley, CA USA
[3] Univ Twente, Ctr Appl Superconduct, NL-7500 AE Enschede, Netherlands
[4] Natl Lab High Energy Phys, KEK, Tsukuba, Ibaraki 305, Japan
来源：
CRYOGENICS | 1999年 / 39卷 / 03期
关键词：
multifilament wires and tapes; superconductors; AC losses;
D O I：
10.1016/S0011-2275(99)00021-1
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Presented in this work are the results of directly measured and AC-loss-derived interstrand contact resistance (ICR) measurements performed magnetically or resistively on bare-Cu and coated-strand pairs, calorimetrically on Ii-strand Rutherford cables wound with strands that had been coated with various metallic and insulating layers, and calorimetrically and magnetically on 28-strand Rutherford cables (LHC-type) wound with bare-Cu-, Ni-, and stabrite-plated strands. Comparisons are made of the effects of various conditions of heat treatment, HT (time and temperature), and pressure (applied during HT and then either maintained or re-applied during measurement). The resulting ICRs are compared and interpreted in terms of the oxide layer on the strand coating and its response to curing conditions. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：197 / 208
页数：12
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