Effect of rolling and drawing on superconducting property in NbTiTa/Cu Multifilamentary wires

Zili Chen; Quan Ma; Xianghong Liu; Shejun Du; Guo Yan; Gaofeng Jiao; Pingxiang Zhang; Lian Zhou

Effect of rolling and drawing on superconducting property in NbTiTa/Cu Multifilamentary wires

Zili Chen, Quan Ma, Xianghong Liu, Shejun Du, Guo Yan, Gaofeng Jiao, Pingxiang Zhang, Lian Zhou

Research output: Contribution to journal › Article › peer-review

Abstract

NbTiTa/Cu superconducting wires were prepared through the thermal diffusion NbTi sheets and Ta sheets as raw materials. During the rolling and drawing methods were applied after three times extrusion. The superconducting property was measured by the standard method at 4.2 K in High Magnetic Field Laboratory in France. The results indicate that a higher critical current density is obtained in the drawing wires. J_c can reach 791 A/mm² at 4.2 K and 8 Tin the drawing wires with diameter of 1.0 mm. The investigation of microstructure shows that the homogenous filament, homogenous Cu/Sc ratio and same spacing between filaments are found in the drawing wires at the same conditions.

Original language	English
Pages (from-to)	812-815
Number of pages	4
Journal	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
Volume	38
Issue number	5
State	Published - May 2009
Externally published	Yes

Keywords

Critical current density
Diffusion heat treatment
Flux pinning
NbTiTa superconductor material

Cite this

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title = "Effect of rolling and drawing on superconducting property in NbTiTa/Cu Multifilamentary wires",

abstract = "NbTiTa/Cu superconducting wires were prepared through the thermal diffusion NbTi sheets and Ta sheets as raw materials. During the rolling and drawing methods were applied after three times extrusion. The superconducting property was measured by the standard method at 4.2 K in High Magnetic Field Laboratory in France. The results indicate that a higher critical current density is obtained in the drawing wires. Jc can reach 791 A/mm2 at 4.2 K and 8 Tin the drawing wires with diameter of 1.0 mm. The investigation of microstructure shows that the homogenous filament, homogenous Cu/Sc ratio and same spacing between filaments are found in the drawing wires at the same conditions.",

keywords = "Critical current density, Diffusion heat treatment, Flux pinning, NbTiTa superconductor material",

author = "Zili Chen and Quan Ma and Xianghong Liu and Shejun Du and Guo Yan and Gaofeng Jiao and Pingxiang Zhang and Lian Zhou",

year = "2009",

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journal = "Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering",

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TY - JOUR

T1 - Effect of rolling and drawing on superconducting property in NbTiTa/Cu Multifilamentary wires

AU - Chen, Zili

AU - Ma, Quan

AU - Liu, Xianghong

AU - Du, Shejun

AU - Yan, Guo

AU - Jiao, Gaofeng

AU - Zhang, Pingxiang

AU - Zhou, Lian

PY - 2009/5

Y1 - 2009/5

N2 - NbTiTa/Cu superconducting wires were prepared through the thermal diffusion NbTi sheets and Ta sheets as raw materials. During the rolling and drawing methods were applied after three times extrusion. The superconducting property was measured by the standard method at 4.2 K in High Magnetic Field Laboratory in France. The results indicate that a higher critical current density is obtained in the drawing wires. Jc can reach 791 A/mm2 at 4.2 K and 8 Tin the drawing wires with diameter of 1.0 mm. The investigation of microstructure shows that the homogenous filament, homogenous Cu/Sc ratio and same spacing between filaments are found in the drawing wires at the same conditions.

AB - NbTiTa/Cu superconducting wires were prepared through the thermal diffusion NbTi sheets and Ta sheets as raw materials. During the rolling and drawing methods were applied after three times extrusion. The superconducting property was measured by the standard method at 4.2 K in High Magnetic Field Laboratory in France. The results indicate that a higher critical current density is obtained in the drawing wires. Jc can reach 791 A/mm2 at 4.2 K and 8 Tin the drawing wires with diameter of 1.0 mm. The investigation of microstructure shows that the homogenous filament, homogenous Cu/Sc ratio and same spacing between filaments are found in the drawing wires at the same conditions.

KW - Critical current density

KW - Diffusion heat treatment

KW - Flux pinning

KW - NbTiTa superconductor material

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SN - 1002-185X

VL - 38

SP - 812

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JO - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

JF - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

IS - 5

ER -

Effect of rolling and drawing on superconducting property in NbTiTa/Cu Multifilamentary wires

Abstract

Keywords

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