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Manufacture method for alloy long band with high cubic texture contents, high strength and low magnetism Ni-5at. %W

A ni-5at.%w, cubic texture technology, applied in the field of high-temperature coated superconducting substrate preparation, to achieve excellent performance, improve casting defects, and uniform grain size

Active Publication Date: 2015-07-22
深创超导(深圳)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there are few reports on the production process of the nickel-tungsten base strip with cubic texture, especially the forging process and composite hot rolling process of the nickel-tungsten alloy initial billet.

Method used

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  • Manufacture method for alloy long band with high cubic texture contents, high strength and low magnetism Ni-5at. %W
  • Manufacture method for alloy long band with high cubic texture contents, high strength and low magnetism Ni-5at. %W
  • Manufacture method for alloy long band with high cubic texture contents, high strength and low magnetism Ni-5at. %W

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Embodiment 1

[0027] (1) Under a protective atmosphere, using intermediate frequency vacuum induction smelting technology, the electrolytic nickel plate with a purity of 99.95% and the tungsten block with a purity of 99.99% are put into a vacuum induction furnace for smelting in a molar ratio of 95:5 to obtain 6KG, 17mm long, 68mm diameter Ni-W alloy ingot with uniform chemical composition;

[0028] (2) Remove the riser from the ingot, mechanically remove the scale and oil, and then perform hot forging with free forging on the hammer. The initial forging temperature is 1200°C, and the final forging temperature is 900°C; before hot forging, the billet is preheated to 80°C, keep warm for 20 minutes; brush the glass protective lubricant for forging on the surface of the ingot, and the thickness of the lubricant is 0.2mm; put the ingot coated with the protective lubricant into the muffle furnace, and raise the temperature to 1200°C with the furnace, and then heat up The speed is 8°C / min, and th...

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Abstract

The invention discloses a manufacture method for an alloy long band with high cubic texture contents, high strength and low magnetism Ni-5at. %W, and belongs to the technical field of high-temperature coating superconduction base bands. A Ni-W alloy billet is prepared by applying of vacuum induction melting, a multi-core composite billet is prepared through hot forging, and an initial billet with the diameter of 10mm is obtained through hole patter hot rolling. The initial billet is dragged and rolled under normal temperature by applying of a precision four-high mill, and the average thickness of the base band after the last rolling reaches 0.08-0.10mm. The rolled base band is processed in a recrystallization and heat mode by applying of dynamic annealing. Hundred-meter grade base band products prepared by the manufacture method conform to the requirements for further preparing a transitional layer and a superconduction layer according to a preliminary affirmation.

Description

technical field [0001] The invention relates to a method for preparing a cubic-textured nickel-tungsten alloy substrate for a high-temperature coating superconductor, in particular to a method for manufacturing a long Ni-5at.%W alloy strip with high cubic texture content, high strength and low magnetic properties, belonging to High-temperature coated superconducting substrate preparation technology field. Background technique [0002] Since the second generation of high-temperature superconductors (yttrium barium copper oxide (YBa 2 Cu 3 o 7-X )) Since it was discovered by scientists, the second-generation high-temperature superconducting technology has made great progress. Since the invention of RABiTS technology by ORNL laboratory in the United States in the mid-1990s, this coating conductor preparation technology has been widely used in the scientific community because of its rapid preparation method and suitability for industrial production. The key to this technolog...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P17/00
Inventor 索红莉孟易辰王毅任程马麟田辉王金华李孟晓
Owner 深创超导(深圳)科技有限公司