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Large crystal grain niobium material superconducting cavity and its manufacturing method

A superconducting cavity, large grain technology, applied in accelerators, electrical components and other directions, can solve the problems of complex manufacturing process, complex equipment, long time, etc., to improve microwave performance, reduce pollution, and ensure quality.

Inactive Publication Date: 2008-04-23
赵夔 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0014] 44) Electrochemical polishing to improve surface finish (reach ) (long time, complex and expensive equipment and under 100 clean conditions);
The manufacturing process is complicated and the cost is high

Method used

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  • Large crystal grain niobium material superconducting cavity and its manufacturing method
  • Large crystal grain niobium material superconducting cavity and its manufacturing method
  • Large crystal grain niobium material superconducting cavity and its manufacturing method

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Embodiment Construction

[0045] The large-grain niobium material superconducting cavity proposed by the present invention and its manufacturing method are described in detail in conjunction with the accompanying drawings and embodiments as follows:

[0046] The present invention adopts the superconducting cavity embodiment with a frequency of 1.5ZHz made of large-grain niobium material, and its structure is as follows figure 1 shown. It includes an elliptical cavity 1 with a long diameter of 210mm and a short diameter of 114mm, and the opening diameter at both ends of the short diameter is 70mm. There are many large crystal grains distributed in the niobium wall plate of the oval niobium cavity, each Each grain diameter ranges between 5-7cm. A niobium round tube (bundle tube) 2 with a diameter of 70mm and a length of 110mm is connected to the two ports of the cavity, and the other end of each round tube is connected with a niobium-titanium alloy flange. The inner hole of the flange is 70mm, and the o...

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Abstract

This invention relates to a super-conduction cavity of a large grain Nb material and its manufacturing method, in which, the super-conduction cavity includes an integrated elliptical Nb cavity, beams and flanges and multiple big cm grains are scattered on the wall of the Nb cavity. The method includes: cutting Nb plates from the smelt big grain Nb ingots and cleaning chemically to be punched to the shape of half cavities to connect two or multiple half cavities in series and solder both ends together with the two beams and flange electronic beams of the related aperture to manufacture a complete super-conduction cavity to be cleaned chemically, polished, heat processed, washed in high-pressure super-clean water and installed to greatly increase the quality.

Description

technical field [0001] The invention belongs to the technical field of superconducting accelerators, in particular to the design and manufacture of superconducting cavities. Background technique [0002] Superconducting accelerators are the preferred components for R&D and application in the current accelerator field. Superconducting accelerators have become an important part of large scientific projects such as linear colliders, advanced radiation sources, free electron lasers, spallation neutron sources, and radionuclide devices. [0003] Superconducting cavities are the core devices of superconducting accelerators. The superconducting cavity is a radio frequency resonant cavity, and the superconducting cavity used on the accelerator can be called a radio frequency superconducting accelerating cavity, or superconducting cavity for short. Its structure is as figure 1 As shown, it includes an elliptical cavity 1, a round tube (bundle tube) 2 is respectively connected to t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H7/20
Inventor 赵夔颉维平张保澄李明阳陈林王莉芳全胜文郝建奎何季麟陈佳洱
Owner 赵夔
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