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A (ti, zr)-nb-o alloy with superconducting properties and preparation method thereof

A ti-zr-nb-o, superconducting performance technology, applied in the field of material research, can solve problems such as low critical superconducting transition temperature, and achieve the effects of improving comprehensive performance, ensuring stability and low production cost

Active Publication Date: 2022-03-04
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of the prior art and provide a (Ti, Zr)-Nb-O alloy with superconducting properties. The alloy is low in cost, has a high critical superconducting transition temperature and excellent comprehensive mechanical properties, and solves the Insufficiency of existing (Ti, Zr)-Nb alloys with low critical superconducting transition temperature

Method used

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  • A (ti, zr)-nb-o alloy with superconducting properties and preparation method thereof
  • A (ti, zr)-nb-o alloy with superconducting properties and preparation method thereof
  • A (ti, zr)-nb-o alloy with superconducting properties and preparation method thereof

Examples

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Effect test

Embodiment 1

[0031] A method for preparing a 39.9Ti-60Nb-0.1O alloy with superconducting properties (for the preparation flow chart, see figure 1 ), which includes the following steps:

[0032] Step 1. Ingredients:

[0033] According to the 39.9Ti-60Nb-0.1O alloy (that is, the mass percentage of each element of the alloy is Ti 39.9%, Nb 60% and O 0.1%), calculate and weigh the corresponding raw material quality, where O is TiO 2 Added in the form of O content in TiO 2 The conversion percentage content is calculated, and the ingredients are all measured according to the mass percentage. The weighing of each raw material adopts an electronic balance with an accuracy of 0.0001g; Ti particles, Nb particles and TiO 2 Particles were weighed 9.3760g, 15.0000g, 0.6240g;

[0034] Step 2, melting and preparing 39.9Ti-60Nb alloy:

[0035] Put the precise ratio of Ti and Nb particle raw materials in step 1 into the non-consumable vacuum electric arc furnace, and evacuate to 3pa; open the high-puri...

Embodiment 2

[0043] A method for preparing a 44.5Ti-55Nb-0.5O alloy with superconducting properties, comprising the steps of:

[0044] Step 1, batching: with reference to embodiment 1;

[0045] Step 2, melting and preparing 44.5Ti-55Nb alloy:

[0046] Put the Ti and Nb particle raw materials with precise ratio in step 1 into the non-consumable vacuum electric arc furnace, first evacuate to 3pa, open the high-purity argon valve, inhale 2-3 times, and continue to ventilate as protection; Under gas protection atmosphere, control the arc to move to 2-5mm above the material, slowly increase the arc intensity to 265A / s, smelt for 4min, and repeat smelting 6 times; cool to room temperature, and obtain alloy block 1;

[0047] Step 3, remove the surface oxide layer, car processing debris and clean: refer to Example 1;

[0048] Step 4. Preparation of 44.5Ti-55Nb-0.5O master alloy

[0049] The alloy nugget-crust that step 3 obtains and the TiO that step 1 takes by weighing 2 The particles are put...

Embodiment 3

[0053] A method for preparing a 46.4Ti-53Nb-0.6O alloy with superconducting properties, comprising the steps of:

[0054] Step 1, batching: with reference to embodiment 1;

[0055] Step 2, melting and preparing 46.4Ti-53Nb alloy:

[0056] Put the Ti and Nb particle raw materials with precise ratio in step 1 into the non-consumable vacuum electric arc furnace, first evacuate to 3pa, open the high-purity argon valve, inhale 2-3 times, and continue to ventilate as protection; Under gas protection atmosphere, control the arc to move to 2-5mm above the material, slowly increase the arc intensity to 265A / s, smelt for 4min, and repeat smelting 6 times; cool to room temperature, and obtain alloy block 1;

[0057] Step 3, remove the surface oxide layer, car processing debris and clean: refer to Example 1;

[0058] Step 4. Preparation of 46.4Ti-53Nb-0.6O master alloy

[0059] The alloy nugget-crust that step 3 obtains and the TiO that step 1 takes by weighing 2 The particles are put...

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Abstract

The invention provides a (Ti, Zr)-Nb-O alloy with superconducting properties, the general formula of the alloy is Ti-Nb-O or Ti-Zr-Nb-O; the mass of each element of Ti-Nb-O The percentage is Ti: 19‑65%, Nb: 32‑80% and O: 0.1‑3%; the mass percentage of each element of Ti‑Zr‑Nb‑O is Ti: 19‑65%, Zr: 0.9‑40%, Nb : 32‑80% and O: 0.1‑3%. The present invention adopts TiO 2 Oxygen is added to the alloy in the form of oxygen, and it is proved that the oxygen content is beneficial in a certain range, which subverts the thinking of avoiding the existence of oxygen when preparing commercial superconducting materials. High, the "pinning center" of the alloy magnetic flux is increased, it has high superconducting stability, and the production cost is low, which can meet the needs of industrial mass production.

Description

technical field [0001] The invention belongs to the technical field of material research and relates to the preparation of an alloy with superconductivity, in particular to a (Ti, Zr)-Nb-O alloy with superconductivity and a preparation method thereof. Background technique [0002] Superconducting materials are a high-tech with great strategic significance. They have been used in information transmission, power transmission cables, etc. It has been fruitfully applied in many fields such as electric power, transportation, and detection. It can be seen that the research on superconducting materials has played a huge role in promoting the change of industrial social structure, and has always been a hot spot for scholars. NbTi alloy has become a representative of low-temperature superconducting materials due to its good low-magnetic field superconducting properties, high ductility and ease of processing, and its manufacturing and use costs are much lower than other superconducti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C14/00C22C16/00C22C27/02C22C30/00C22C1/10C22C1/03H01B12/00
CPCC22C14/00C22C16/00C22C27/02C22C30/00C22C1/1036H01B12/00Y02E40/60
Inventor 张涛陈俊奇王剑锋陈辰李海光刘珊珊刘培玉张文峰
Owner ZHENGZHOU UNIV
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