Anomalous out-of-phase magnetic ac response in superconducting wires

2021 ◽  
Vol 104 (6) ◽  
Author(s):  
Leonid Burlachkov ◽  
Nikita Fuzailov
Keyword(s):  
Superconducting Wires ◽  
Ac Response

scholarly journals Probing of the internal damage morphology in multilayered high-temperature superconducting wires

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
You-He Zhou ◽  
Cong Liu ◽  
Lei Shen ◽  
Xingyi Zhang
Keyword(s):  
Magnetic Flux ◽  
Layer Structure ◽  
Extreme Environment ◽  
Uniaxial Tensile ◽  
Internal Damage ◽  
Amorphous Phases ◽  
Superconducting Wires ◽  
Mechanical Quality ◽  
Loading System

AbstractThe second generation HTS wires have been used in many superconducting components of electrical engineering after they were fabricated. New challenge what we face to is how the damages occur in such wires with multi-layer structure under both mechanical and extreme environment, which also dominates their quality. In this work, a macroscale technique combined a real-time magneto-optical imaging with a cryogenic uniaxial-tensile loading system was established to investigate the damage behavior accompanied with magnetic flux evolution. Under a low speed of tensile strain, it was found that the local magnetic flux moves gradually to form intermittent multi-stack spindle penetrations, which corresponds to the cracks initiated from substrate and extend along both tape thickness and width directions, where the amorphous phases at the tip of cracks were also observed. The obtained results reveal the mechanism of damage formation and provide a potential orientation for improving mechanical quality of these wires.

Study on cryogenic mechanical properties between superconducting wires and resins for MRI superconducting magnet

Cryogenics ◽  
2021 ◽  
Vol 115 ◽  
pp. 103259
Author(s):  
Wentao Sun ◽  
Zhixiong Wu ◽  
Chuanjun Huang ◽  
Hengcheng Zhang ◽  
Fuzhi Shen ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Superconducting Magnet ◽  
Superconducting Wires ◽  
Cryogenic Mechanical Properties

Dependence of AC losses on aspect ratio in superconducting wires with rectangular cross section

2004 ◽  
Vol 412-414 ◽  
pp. 1045-1049 ◽  
Author(s):  
K. Kajikawa ◽  
T. Hayashi ◽  
K. Funaki ◽  
E.S. Otabe ◽  
T. Matsushita
Keyword(s):  
Aspect Ratio ◽  
Cross Section ◽  
Rectangular Cross Section ◽  
Ac Losses ◽  
Superconducting Wires

Ac response of a coupled double quantum dot

2005 ◽  
Vol 14 (10) ◽  
pp. 2093-2099 ◽  
Author(s):  
Xu Jie ◽  
W. Z Shangguan ◽  
Zhan Shi-Chang
Keyword(s):  
Quantum Dot ◽  
Double Quantum ◽  
Double Quantum Dot ◽  
Ac Response

Improved high field performance of Nb‐Al powder metallurgy processed superconducting wires

1984 ◽  
Vol 44 (2) ◽  
pp. 260-262 ◽  
Author(s):  
C. L. H. Thieme ◽  
S. Pourrahimi ◽  
B. B. Schwartz ◽  
S. Foner
Keyword(s):  
Powder Metallurgy ◽  
High Field ◽  
Field Performance ◽  
Superconducting Wires ◽  
Al Powder
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