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A kind of iron-based superconducting reinforcement tape and preparation method thereof

An iron-based superconducting and reinforcing tape technology, applied in the usage of superconducting elements, superconducting devices, superconducting/high-conducting conductors, etc., can solve the damage of superconducting core, low mechanical strength of iron-based superconducting tape problems, to achieve the effect of improving mechanical strength, improving solder composition, and achieving significant effects

Active Publication Date: 2020-09-15
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] For this reason, what the present invention aims to solve is the defect that the mechanical strength of the existing iron-based superconducting strip is not high, which easily causes superconducting core damage, and then provides an iron-based superconducting strip that can greatly improve the mechanical strength of the iron-based superconducting strip. Superconducting reinforced tape and its preparation method

Method used

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  • A kind of iron-based superconducting reinforcement tape and preparation method thereof
  • A kind of iron-based superconducting reinforcement tape and preparation method thereof
  • A kind of iron-based superconducting reinforcement tape and preparation method thereof

Examples

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Embodiment 1

[0045] This embodiment provides an iron-based superconducting reinforcement tape, such as figure 1 As shown, it includes an iron-based superconducting strip 0, which includes a 12-core superconducting core 0-1 and a metal sheath 0-2 that wraps the superconducting core, and also includes,

[0046] Reinforced metal layer 2, the reinforced metal layer 2 is two layers, respectively arranged on the upper and lower surfaces of the iron-based superconducting strip 0, wherein the reinforced metal layer 2 is a Monel alloy plate with a thickness of 0.03mm;

[0047] The solder layer 3 is arranged between the iron-based superconducting strip 0 and the reinforcing metal layer 2, wherein the thickness of the solder layer 3 is 100 μm, and the solder in the solder layer 3 is composed of tin and lead, and the mass ratio of tin and lead is 63: 37;

[0048] The preparation method of the above-mentioned iron-based superconducting reinforcement tape comprises the following steps:

[0049] (1) Th...

Embodiment 2

[0055] This embodiment provides an iron-based superconducting reinforcement tape, such as figure 2 As shown, it includes an iron-based superconducting strip 0, which includes a 12-core superconducting core 0-1 and a metal sheath 0-2 that wraps the superconducting core, and also includes,

[0056] Reinforced metal layer 2, the reinforced metal layer 2 is one layer, arranged on the upper surface of the iron-based superconducting strip 0, wherein the reinforced metal layer 2 is a copper plate with a thickness of 0.1 mm;

[0057] The solder layer 3 is arranged between the iron-based superconducting strip 0 and the reinforcing metal layer 2, wherein the thickness of the solder layer 3 is 100 μm, and the solder in the solder layer 3 is composed of tin and lead, and the mass ratio of tin and lead is 63: 37;

[0058] The preparation method of the above-mentioned iron-based superconducting reinforcement tape comprises the following steps:

[0059] (1) Cut a copper plate with a thick...

Embodiment 3

[0065] This embodiment provides an iron-based superconducting reinforced tape, including an iron-based superconducting tape 0, which includes a 12-core superconducting core 0-1 and a metal sheath 0-2 wrapping the superconducting core, and also includes,

[0066] Reinforced metal layer 2, the reinforced metal layer 2 is two layers, respectively arranged on the upper and lower surfaces of the iron-based superconducting strip 0, wherein the reinforced metal layer 2 is a Monel plate with a thickness of 0.06mm;

[0067] The solder layer 3 is arranged between the iron-based superconducting strip 0 and the reinforcing metal layer 2, wherein the thickness of the solder layer 3 is 100 μm, and the solder in the solder layer 3 is composed of tin and lead, and the mass ratio of tin and lead is 63: 37;

[0068] The preparation method of the above-mentioned iron-based superconducting reinforcement tape comprises the following steps:

[0069] (1) The Monel plate with a thickness of 0.06mm i...

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Abstract

The invention discloses an iron-based superconducting reinforcing tape and a preparation method thereof. According to the iron-based superconducting reinforcing tape, a reinforcing metal layer is seton at least one surface of an iron-based superconducting tape material, a solder layer is disposed between the reinforcing metal layer and the iron-based superconducting tape material, the three layers are used together, the mechanical strength is greatly improved under the premise of not affecting the performance of iron-based superconducting tape material, for example, when a superconducting magnet is prepared by using the iron-based superconducting tape material and a superconducting coil is wound, the iron-based superconducting tape material can withstand greater tension and bending stress, and the practical application of the iron-based superconducting tape material is helped. The preparation method has the advantages of simple operation and remarkable effect, and iron-based superconducting reinforcing tapes of 100-meter and kilometer levels can be prepared.

Description

technical field [0001] The invention belongs to the technical field of superconducting materials, and in particular relates to an iron-based superconducting reinforcing tape and a preparation method thereof. Background technique [0002] At present, the iron-based superconducting material is a new type of high-temperature superconducting material [Iron-based layered superconductor LaO] discovered by Tokyo Institute of Technology in 2008. 1-x f x FeAs(x=0.05-0.12) with T c =26 K.J.Am.Chem.Sco.130, 3296-3297 (2008)]. It has the characteristics of high critical current density, high upper critical field, small anisotropy, and small dependence of critical current on strong magnetic field. Therefore, iron-based superconducting materials have attracted extensive attention in the world. Iron-based superconducting materials are expected to become the main superconducting materials for high-field applications in the temperature range of 4.2K-30K, and are widely used in medical, en...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B12/06
CPCH01B12/06Y02E40/60
Inventor 马衍伟黄河王栋樑
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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