CN102825857A - Nonmagnetic texture Ni-based alloy composite baseband and preparation method thereof - Google Patents
Nonmagnetic texture Ni-based alloy composite baseband and preparation method thereof Download PDFInfo
- Publication number
- CN102825857A CN102825857A CN2012102412219A CN201210241221A CN102825857A CN 102825857 A CN102825857 A CN 102825857A CN 2012102412219 A CN2012102412219 A CN 2012102412219A CN 201210241221 A CN201210241221 A CN 201210241221A CN 102825857 A CN102825857 A CN 102825857A
- Authority
- CN
- China
- Prior art keywords
- sintering
- powder
- texture
- composite baseband
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Abstract
The invention discloses a nonmagnetic texture Ni-based alloy composite baseband and a preparation method thereof, and belongs to the technical field of high-temperature superconductive coating conductor metal basebands. The purpose of invention is to meet the requirements of integral improvements of cube texture, magnetic property and mechanical property of an alloy baseband. The alloy composite baseband is divided into three layers, the components and atomic percentage contents of an outer layer alloy are specifically as follows: 88-91 at.% of Ni and 9-12 at.% of V, and the components and atomic percentage contents of a core layer alloy are specifically as follows: 88-91 at.% of Ni and 9-12 at.% of W. The preparation method of the nonmagnetic texture Ni-based alloy composite baseband is based on a powder metallurgy method and comprises the following steps of: (1) mixing of original powders and die filling; (2) preparation of original alloy billets; (3) deformation rolling of the original billets; and (4) recrystallization thermal treatment of cold-rolling basebands. The alloy baseband of the nonmagnetic texture Ni-based alloy composite baseband has the characteristics of no magnetism, high cube texture, high mechanical property and the like.
Description
Technical field
The present invention relates to nonmagnetic texture Ni base alloy composite baseband of a kind of used for coating conductor and preparation method thereof, belong to conductor of high-temperature superconductor coat metal base band technical field.
Background technology
Second generation belt material of high temperature superconduct (YBa
2Cu
3O
7-x,, thereby be expected to realize its application in forceful electric power fields such as superconducting transformer, superconducting motor, superconductive current limiters YBCO) owing to have more superior performance than first generation bismuth system (BSCCO) superconductor.In the research and development of practical applicationization, preparing high performance metal base band is the key that obtains the high-performance coating superconductor.Because the metal alloy base band is born support, extension transition zone and superconducting thin film; And the important function of bearing part electric current; So in order to satisfy the demand of high-performance superconducting tape, the acquisition of character such as highly-textured degree, high conductivity, less A.C.power loss, big yield limit is the key of the high performance metal base band of preparation.
In the present multiple metal alloy base band that is applied to coating conductor, Ni5at.%W (Ni5W) alloy base band is that people study one of system, the most deep base band material.Be prone to obtain cubic texture though Ni5W has, advantages such as with low cost and good in oxidation resistance, under 77K, still have ferromagnetism and yield strength lower, thereby limited the application of coating conductor in practical application.For the further mechanical performance of NiW alloy base band and the A.C.power loss in the reduction practical application of improving, preparing nonmagnetic texture Ni base alloy composite baseband is an effective thinking.
Summary of the invention
The objective of the invention is to propose a kind of nonmagnetic, high cubic texture Ni base alloy composite baseband and preparation method thereof.
The present invention provides a kind of conductor of high-temperature superconductor coat to use the Ni base alloy composite baseband; This alloy composite baseband is divided into three layers; The component and the atomic percentage conc of outer layer alloys are specially Ni88～91at.%; V9～12at.%, the component and the atomic percentage conc of core alloys are specially Ni88～91at.%, W9～12at.%
The present invention provides the preparation method of a kind of conductor of high-temperature superconductor coat with the Ni base alloy composite baseband, it is characterized in that, adopts the method for discharge plasma sintering, and its processing step is following:
(1) mixing of initial powder and mould are filled
At first purity is two kinds of powder of Ni, V and Ni, two kinds of powder of W more than 99.9%; Carry out weighing by the mentioned component proportioning respectively and join powder; Adopt ball mill to carry out ball milling respectively then; Drum's speed of rotation is 150～300rpm, and ball milling total time is 10～15h, after treating fully to mix mixed powder is successively packed in the mould;
(2) preparation of initial alloy billet
Adopt the discharge plasma sintering technology; The mould of having filled powder in the step (1) is put into agglomerating plant, add the flanging sintering in vacuum condition bottom, sintering pressure is 30～50Mpa; Sintering temperature is 700～1000 ℃; Time is 5～60min, obtains pressed compact, subsequently again with the pressed compact that suppresses at ArH
2Carry out homogenising under 1000～1400 ℃ of the mixed gas protected or vacuum conditions and handle, sintering time is 20～25h, obtains the sintering billet, wherein H
2Volume accounts for ArH
24% of mist cumulative volume; It is 5～15% hot rollings that the sintering billet is carried out deflection, and hot-rolled temperature is 1000～1200 ℃, obtains initial billet;
(3) thermomechanical rolling of initial billet
Initial billet is directly carried out cold rolling, pass deformation is 5～15%, and total deformation is not less than 95%, and obtaining thickness is the cold rolling base band of 60～120 μ m;
(4) crystallization heat again of cold rolling base band is handled
The cold rolling base band that step (3) obtains is at ArH
2In 550 ℃ of annealing 30min, and then be warming up to 1200～1400 ℃ of annealing 60～180min, wherein H under the mixed gas protected or vacuum condition
2Volume accounts for ArH
24% of mist cumulative volume obtains a kind of used for coating conductor Ni base alloy composite baseband.
The Ni base alloy composite baseband that makes through method of the present invention has following characteristics:
1, owing to alloy base band of the present invention, the atomic percentage conc of its vanadium and the atomic percentage conc of tungsten all guarantee to be higher than 9%, and therefore, this alloy base band is nonmagnetic at the liquid nitrogen temperature of high temperature coating superconductor applications;
2, because the stacking fault energy of its cladding material changes not quite with the increase of alloying element content, so the base band surface has sharp keen cubic texture, core material has improved the mechanical performance of base band simultaneously, has realized the lifting of alloy base band overall performance; Adopt the yield strength of the composite baseband of the inventive method preparation to see table 1, than the Ni5W alloy base band, the yield strength of this composite baseband is more than 1.4 times of Ni5W alloy base band.
Description of drawings
Fig. 1 is (001) and (111) the face utmost point figure after the Ni base alloy composite baseband of preparation among the embodiment 1 is annealed;
Fig. 2 is (001) and (111) the face utmost point figure after the Ni base alloy composite baseband of preparation among the embodiment 2 is annealed;
Fig. 3 is (001) and (111) the face utmost point figure after the Ni base alloy composite baseband of preparation among the embodiment 3 is annealed;
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed description, but the present invention is not limited to following examples.
Embodiment 1
Purity is 99.99% Ni powder with the V powder by atomic percentage conc than being Ni
88V
12Ratio carry out weighing and join powder, purity is 99.99% Ni powder with the W powder by atomic percentage conc than being Ni
88W
12Ratio carry out weighing and join powder, adopt ball mill to carry out ball milling then respectively, drum's speed of rotation is 300rpm, ball milling total time is 10h, after treating fully to mix, mixed good powder is successively packed in the mould; The mould that to fill powder is then put into discharging plasma sintering equipment, adds the flanging sintering in vacuum condition bottom, and wherein, sintering pressure is 50Mpa, and sintering temperature is 850 ℃, and the time is 10min, obtains pressed compact, subsequently with the pressed compact that suppresses at ArH
2Carry out homogenising under 1400 ℃ of the mixed gas protected conditions and handle, wherein H
2Volume accounts for ArH
24% of mist cumulative volume, sintering time is 20h, obtains the sintering billet, carries out deflection then and be 5% hot rolling, hot-rolled temperature is 1000 ℃, obtains initial billet; Initial billet is carried out cold rolling, pass deformation is 5%, and total deformation 98% is final that thickness be the cold rolling base band of 80 μ m; Cold rolling base band is at ArH
2Under the mixed gas protected atmosphere in 550 ℃ annealing 30min, and then be warming up to 1200 ℃ annealing 180min, wherein H
2Volume accounts for ArH
24% of mist cumulative volume.(001) of this alloy base band and (000) face utmost point figure are as shown in Figure 1, can be known that by Fig. 1 this alloy base band has strong cubic texture.This composite baseband yield strength at room temperature is 260MPa, is 1.7 times of individual layer Ni-5at.%W alloy base band.
Embodiment 2
Purity is 99.99% Ni powder with the V powder by atomic percentage conc than being Ni
89V
11Ratio carry out weighing and join powder, purity is 99.99% Ni powder with the W powder by atomic percentage conc than being Ni
89W
11Ratio carry out weighing and join powder, adopt ball mill to carry out ball milling then respectively, drum's speed of rotation is 200rpm, ball milling total time is 12h, after treating fully to mix, mixed good powder is successively packed in the mould; The mould that to fill powder is then put into discharging plasma sintering equipment, adds the flanging sintering in vacuum condition bottom, and wherein, sintering pressure is 30Mpa, and sintering temperature is 1000 ℃, and the time is 5min, obtains pressed compact, subsequently with the pressed compact that suppresses at ArH
2Carry out homogenising under 1200 ℃ of the mixed gas protected conditions and handle, wherein H
2Volume accounts for ArH
24% of mist cumulative volume, sintering time is 24h, obtains the sintering billet, carries out deflection then and be 10% hot rolling, hot-rolled temperature is 1100 ℃, obtains initial billet; Initial billet is carried out cold rolling, pass deformation is 10%, and total deformation 99% is final that thickness be the cold rolling base band of 60 μ m; Cold rolling base band is at ArH
2Under the mixed gas protected atmosphere in 550 ℃ annealing 30min, and then be warming up to 1250 ℃ annealing 150min, wherein H
2Volume accounts for ArH
24% of mist cumulative volume.(001) of this alloy base band and (111) face utmost point figure are as shown in Figure 2, can be known that by Fig. 2 this alloy base band has strong cubic texture.This composite baseband yield strength at room temperature is 240MPa, is 1.6 times of individual layer Ni-5at.%W alloy base band.
Embodiment 3
Purity is 99.99% Ni powder with the V powder by atomic percentage conc than being Ni
91V
9Ratio carry out weighing and join powder, purity is 99.99% Ni powder with the W powder by atomic percentage conc than being Ni
91W
9Ratio carry out weighing and join powder, adopt ball mill to carry out ball milling then respectively, drum's speed of rotation is 150rpm, ball milling total time is 15h, after treating fully to mix, mixed good powder is successively packed in the mould; The mould that to fill powder is then put into discharging plasma sintering equipment, adds the flanging sintering in vacuum condition bottom, and wherein, sintering pressure is 45Mpa, and sintering temperature is 700 ℃, and the time is 60min, obtains pressed compact, subsequently with the pressed compact that suppresses at ArH
2Carry out homogenising under 1000 ℃ of the mixed gas protected conditions and handle, wherein H
2Volume accounts for ArH
24% of mist cumulative volume, sintering time is 25h, obtains the sintering billet, carries out deflection then and be 15% hot rolling, hot-rolled temperature is 1200 ℃, obtains initial billet; Initial billet is carried out cold rolling, pass deformation is 15%, and total deformation 95% is final that thickness be the cold rolling base band of 120 μ m; Cold rolling base band is at ArH
2Under the mixed gas protected atmosphere in 550 ℃ annealing 30min, and then be warming up to 1400 ℃ annealing 60min, wherein H
2Volume accounts for ArH
24% of mist cumulative volume.(001) of this alloy base band and (111) face utmost point figure are as shown in Figure 3, can be known that by Fig. 3 this alloy base band has strong cubic texture.This composite baseband yield strength at room temperature is 310MPa, is 1.4 times of individual layer Ni-5at.%W alloy base band.
Table 1: composite baseband yield strength
Claims (2)
1. a conductor of high-temperature superconductor coat is characterized in that with nonmagnetic texture Ni base alloy composite baseband component and atomic percentage conc are:
Alloy composite baseband is divided into three layers, and the component and the atomic percentage conc of outer layer alloys are specially Ni88～91at.%, V9～12at.%, and the component and the atomic percentage conc of core alloys are specially Ni88～91at.%, W9～12at.%.
2. according to a kind of conductor of high-temperature superconductor coat of claim 1 preparation method, it is characterized in that adopt discharge plasma sintering method, its processing step is following with nonmagnetic texture Ni base alloy composite baseband:
(1) mixing of initial powder and mould are filled
At first purity is two kinds of powder of Ni, V and Ni, two kinds of powder of W more than 99.9%; Carry out weighing by the mentioned component proportioning respectively and join powder; Adopt ball mill to carry out ball milling respectively then, drum's speed of rotation is 150～300rpm, and ball milling total time is 10～15h;, after treating fully to mix mixed powder is successively packed in the mould;
(2) preparation of initial alloy billet
Adopt the discharge plasma sintering technology; The mould of having filled powder in the step (1) is put into agglomerating plant, add the flanging sintering in vacuum condition bottom, sintering pressure is 30～50Mpa; Sintering temperature is 700～1000 ℃; Time is 5～60min, obtains pressed compact, subsequently again with the pressed compact that suppresses at ArH
2Carry out homogenising under 1000～1400 ℃ of the mixed gas protected or vacuum conditions and handle, sintering time is 20～25h, obtains the sintering billet, wherein H
2Volume accounts for ArH
24% of mist cumulative volume; It is 5～15% hot rollings that the sintering billet is carried out deflection, and hot-rolled temperature is 1000～1200 ℃, obtains initial billet;
(3) thermomechanical rolling of initial billet
Initial billet is directly carried out cold rolling, pass deformation is 5～15%, and total deformation is not less than 95%, and obtaining thickness is the cold rolling base band of 60～120 μ m;
(4) crystallization heat again of cold rolling base band is handled
The cold rolling base band that step (3) obtains is at ArH
2In 550 ℃ of annealing 30min, and then be warming up to 1200～1400 ℃ of annealing 60～180min, wherein H under the mixed gas protected or vacuum condition
2Volume accounts for ArH
24% of mist cumulative volume obtains a kind of used for coating conductor Ni base alloy composite baseband.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102412219A CN102825857A (en) | 2012-07-11 | 2012-07-11 | Nonmagnetic texture Ni-based alloy composite baseband and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102412219A CN102825857A (en) | 2012-07-11 | 2012-07-11 | Nonmagnetic texture Ni-based alloy composite baseband and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102825857A true CN102825857A (en) | 2012-12-19 |
Family
ID=47329264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102412219A Pending CN102825857A (en) | 2012-07-11 | 2012-07-11 | Nonmagnetic texture Ni-based alloy composite baseband and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102825857A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921077A (en) * | 2014-05-05 | 2014-07-16 | 河南师范大学 | Method for manufacturing high-strength-texture copper nickel alloy base bands |
| CN104550971A (en) * | 2015-01-21 | 2015-04-29 | 北京工业大学 | Preparation method of element dispersion type composite baseband |
| CN105537562A (en) * | 2015-12-21 | 2016-05-04 | 河南师范大学 | Method for preparing ferromagnetism-free and high-strength texture copper-nickel alloy composite substrate |
| CN106113882A (en) * | 2016-06-21 | 2016-11-16 | 河南城建学院 | Without ferromagnetism, strength texture nickel vanadium/copper/nickel tungsten composite baseband preparation method |
| CN111118347A (en) * | 2020-02-08 | 2020-05-08 | 河南城建学院 | Preparation method of high-strength Ni-based composite baseband |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6863990B2 (en) * | 2003-05-02 | 2005-03-08 | Deloro Stellite Holdings Corporation | Wear-resistant, corrosion-resistant Ni-Cr-Mo thermal spray powder and method |
| CN1861388A (en) * | 2006-03-31 | 2006-11-15 | 北京工业大学 | Method for preparing high-temp. superconductive composite Ni alloy base belt |
| CN101249607A (en) * | 2008-04-07 | 2008-08-27 | 北京工业大学 | Preparation of coating superconductivity high W content Ni-W alloy baseband |
| CN102154577A (en) * | 2011-03-22 | 2011-08-17 | 北京工业大学 | Preparation method of non-magnetic texture NiV alloy baseband |
-
2012
- 2012-07-11 CN CN2012102412219A patent/CN102825857A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6863990B2 (en) * | 2003-05-02 | 2005-03-08 | Deloro Stellite Holdings Corporation | Wear-resistant, corrosion-resistant Ni-Cr-Mo thermal spray powder and method |
| CN1861388A (en) * | 2006-03-31 | 2006-11-15 | 北京工业大学 | Method for preparing high-temp. superconductive composite Ni alloy base belt |
| CN101249607A (en) * | 2008-04-07 | 2008-08-27 | 北京工业大学 | Preparation of coating superconductivity high W content Ni-W alloy baseband |
| CN102154577A (en) * | 2011-03-22 | 2011-08-17 | 北京工业大学 | Preparation method of non-magnetic texture NiV alloy baseband |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921077A (en) * | 2014-05-05 | 2014-07-16 | 河南师范大学 | Method for manufacturing high-strength-texture copper nickel alloy base bands |
| CN104550971A (en) * | 2015-01-21 | 2015-04-29 | 北京工业大学 | Preparation method of element dispersion type composite baseband |
| CN105537562A (en) * | 2015-12-21 | 2016-05-04 | 河南师范大学 | Method for preparing ferromagnetism-free and high-strength texture copper-nickel alloy composite substrate |
| CN106113882A (en) * | 2016-06-21 | 2016-11-16 | 河南城建学院 | Without ferromagnetism, strength texture nickel vanadium/copper/nickel tungsten composite baseband preparation method |
| CN106113882B (en) * | 2016-06-21 | 2018-01-02 | 河南城建学院 | Without ferromagnetism, strength texture nickel vanadium/copper/nickel tungsten composite baseband preparation method |
| CN111118347A (en) * | 2020-02-08 | 2020-05-08 | 河南城建学院 | Preparation method of high-strength Ni-based composite baseband |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101635185B (en) | Method for preparing Ni-W alloy base band with non/low magnetic cubic texture | |
| CN102154577B (en) | Preparation method of non-magnetic texture NiV alloy baseband | |
| CN103060731B (en) | The preparation method of a kind of no or low magnetic, cubic texture Ni-W alloy composite baseband | |
| CN101635186B (en) | Method for Ni-W alloy base band with non-magnetic cubic texture | |
| CN102500638B (en) | Method for producing high-cube-texture high-tungsten-content NI (nickel)-W (tungsten) alloy substrate bands | |
| CN102825857A (en) | Nonmagnetic texture Ni-based alloy composite baseband and preparation method thereof | |
| CN101850422A (en) | Ni-base alloy composite base band prepared by hot isostatic pressing method | |
| CN106024196B (en) | The preparation method of Nb3Al superconductors | |
| CN103498121B (en) | High-strength NiW alloy composite baseband with cube texture and preparation method thereof | |
| CN104086177A (en) | Method for preparing FeSe-based superconducting material | |
| CN103421985B (en) | Preparing method of nonmagnetic high-strength textured Cu-base ternary alloy base band | |
| Ji et al. | Strong cube texture of super-high tungsten Ni–W alloy substrates used in REBCO coated conductors | |
| CN100371482C (en) | Method of preparing High W content Ni-W alloy for high temp superconduct | |
| CN101880791B (en) | Cu-base alloy baseband for coated conductor and preparation method thereof | |
| CN106113882B (en) | Without ferromagnetism, strength texture nickel vanadium/copper/nickel tungsten composite baseband preparation method | |
| CN102543304B (en) | Method for preparing MgB2 superconducting wire | |
| CN107267900B (en) | A kind of preparation method of the high intensity without ferromagnetism texture acid bronze alloy base band | |
| CN101635187B (en) | Method for improving cubic texture of Ni-W alloy base band with high W content | |
| CN101768677A (en) | Preparation method of high-performance room temperature complex-phase magnetic cooling material | |
| CN102154578A (en) | Nonmagnetic texture NiV (nickel vanadium) alloy base band and smelting preparation method thereof | |
| CN103496205B (en) | A kind of nonmagnetic, strength texture Cu base alloy composite baseband and preparation method thereof | |
| CN106111987B (en) | A kind of method of alloy powder prepares coating conductor NiW alloy base band billets | |
| Li et al. | Superconducting properties and crystalline structure of high-performance Nb3Al wires fabricated by RHQ and mechanical alloying methods | |
| CN101302590A (en) | Konstantan alloy baseband for high-temperature superconduction coating conductor | |
| CN103451585A (en) | Preparation method of initial composite billet for non-magnetic Cu-based composite baseband |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121219 |