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High critical temperature superconducting article with improved mechanical strength

A product and superconducting technology, applied in the field of superconducting products, can solve problems such as the deterioration of superconducting properties, and achieve the effect of low production cost and high mechanical strength

Inactive Publication Date: 2009-07-29
DANMARKS TEKNISKE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] This geometry may lead to an expansion of the contact area between the filament core and the high-resistivity material, thus leading to a severe deterioration of the superconducting properties
So there are problems in producing wires with a reliable structure

Method used

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  • High critical temperature superconducting article with improved mechanical strength
  • High critical temperature superconducting article with improved mechanical strength
  • High critical temperature superconducting article with improved mechanical strength

Examples

Experimental program
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Effect test

Embodiment Construction

[0045] In the following detailed description of exemplary embodiments of the invention, reference is made to the accompanying drawings which form a part hereof, and illustrate specific exemplary embodiments in which the invention may be practiced. Therefore, the present invention is not limited to the following detailed description. In the drawings, the same reference numerals indicate the same or corresponding elements, parts or features, and the like.

[0046] figure 1 A schematic diagram of a superconducting wire representing an embodiment of a superconducting article. The superconducting wire 100 comprises a core / filament 110 of superconducting material, a first tubular layer 120 of a first material surrounding said superconducting material and a reinforcing tubular layer 130 of a second material surrounding said first material. The reinforcing tubular layer comprises openings 140 in the form of longitudinal channels. A third tubular layer 150 surrounds the second mater...

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Abstract

Disclosed are a superconducting article and a process for manufacturing such an article. The superconducting article comprises at least one core material including a superconductive material or one or more materials that are convertible into a superconductive material; at least one first matrix of a first material surrounding said at least one core material; at least one reinforcement matrix of a second material partially surrounding said first material; wherein said reinforcement matrix comprises at least one opening in a circumference of said reinforcement matrix, said opening allowing oxygen to reach the first matrix during at least one step of a manufacturing process of the superconducting article; and at least one third matrix of a third material surrounding said second material.

Description

technical field [0001] The present invention generally relates to superconducting articles comprising a superconducting material, a first matrix layer surrounding said superconducting material, at least one reinforcing layer of a second material surrounding said first layer, and surrounding said reinforcing layer. A third layer of layers made of a third material. Background technique [0002] High critical temperature superconducting tapes for power applications are currently mainly manufactured using the powder-in-tube (PIT) manufacturing process. The process involves filling a silver (Ag) tube with superconducting powder and deforming the composition by mechanical means into a desired geometry such as a ribbon. Silver was chosen because the tube surrounding the superconducting powder core needs to be oxygen permeable at least at high temperatures and the material of the tube will not react with the superconducting powder. Ag satisfies these requirements. One of the step...

Claims

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Application Information

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IPC IPC(8): H01L39/14H01L39/24C04B35/01C04B35/74
CPCC04B35/62645C04B2235/3213H01L39/248C04B2235/6565C04B2235/6562C04B35/4525C04B2235/6584H01L39/143C04B2235/94C04B2235/6567C04B2235/3208H10N60/203H10N60/0801C04B35/01C04B35/74H10N60/20H10N60/01
Inventor 让·克劳德·格里韦尔
Owner DANMARKS TEKNISKE UNIV
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