CN102154577B - Preparation method of non-magnetic texture NiV alloy baseband - Google Patents
Preparation method of non-magnetic texture NiV alloy baseband Download PDFInfo
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- CN102154577B CN102154577B CN2011100713791A CN201110071379A CN102154577B CN 102154577 B CN102154577 B CN 102154577B CN 2011100713791 A CN2011100713791 A CN 2011100713791A CN 201110071379 A CN201110071379 A CN 201110071379A CN 102154577 B CN102154577 B CN 102154577B
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 45
- 239000000956 alloy Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000011049 filling Methods 0.000 claims abstract description 3
- 238000005096 rolling process Methods 0.000 claims abstract description 3
- 238000005245 sintering Methods 0.000 claims description 30
- 238000005097 cold rolling Methods 0.000 claims description 26
- 238000000137 annealing Methods 0.000 claims description 16
- 238000000498 ball milling Methods 0.000 claims description 14
- 238000010792 warming Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- 238000004663 powder metallurgy Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001953 recrystallisation Methods 0.000 claims description 3
- 239000011812 mixed powder Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 230000000930 thermomechanical effect Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 229910021521 yttrium barium copper oxide Inorganic materials 0.000 abstract description 3
- 229910001080 W alloy Inorganic materials 0.000 abstract 1
- BTGZYWWSOPEHMM-UHFFFAOYSA-N [O].[Cu].[Y].[Ba] Chemical compound [O].[Cu].[Y].[Ba] BTGZYWWSOPEHMM-UHFFFAOYSA-N 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 239000002887 superconductor Substances 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910003098 YBa2Cu3O7−x Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
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- 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
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Abstract
The invention discloses a preparation method of a non-magnetic texture NiV alloy baseband, belonging to the technical field of high-temperature super-conduction coating conductor metal basebands and aiming to solve the problem that the magnetic performance and the cubic texture of the conventional Ni-W alloy baseband cannot meet the requirement of a YBCO (Yttrium Barium Copper Oxide) coating conductor on further wide application at the same time. The alloy baseband comprises the following components in percentage by atoms: 88-91at.% of Ni and 9-12at.% of V. In the preparation method, a powder metallurgical method is adopted. The preparation method comprises the following steps of: (1) mixing initial powder and filling a mold; (2) preparing initial alloy billets; (3) deforming and rolling the initial billets; and (4) recrystallizing and thermally treating the cold-rolled baseband. The alloy baseband has the characteristics of non-magnetism, high cubic texture and the like.
Description
Technical field
The present invention relates to a kind of used for coating conductor non-magnetic texture NiV alloy baseband preparation method, belong to conductor of high-temperature superconductor coat metal base band technical field.
Background technology
Second generation belt material of high temperature superconduct (YBa2Cu3O7-x, YBCO) is owing to have more superior performance than first generation bismuth system (BSCCO) superconductor, thereby is expected to realize its application in forceful electric power fields such as superconducting transformer, superconducting motor, superconductive current limiters.In the research and development of practical application, 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 the character such as highly-textured degree, high conductivity, less A.C.power loss, larger yield limit is the key of the high performance metal base band of preparation.
At present, the NiW alloy base band is to study system, base band material the most widely.When W content reaches 9.3at.%, its curie transition temperature is reduced to below the 77K, but the increase along with W content, the stacking fault energy of alloy sharply descends, the deformation texture of base band is changed from the copper type to the brass type, follow-up recrystallization heat treatment is difficult for obtaining high cubic texture content, thereby has limited its practical application.Studies show that, obviously descend with the increase Ni alloy Curie temperature of V content, but little on the reduction impact of stacking fault energy.Therefore, people select conductivity is better, nonmagnetic and easily obtain high cubic texture be prepared into the coating conductor substrate.Adopt powder metallurgy process to prepare NiV alloying metal base band, preparation time is short, the high cubic texture of easier acquisition.
Summary of the invention
The objective of the invention is to propose a kind of nonmagnetic, high cubic texture NiV alloy base band preparation method.
The invention provides a kind of conductor of high-temperature superconductor coat NiV alloy base band, component and the atomic percentage conc of this alloy base band are specific as follows:
Ni?88～91at.％，V?9～12at.％
The invention provides a kind of conductor of high-temperature superconductor coat with the preparation method of NiV alloy base band, it is characterized in that, adopt the method for powder metallurgy, its processing step is as follows:
(1) mixing of initial powder and mold filling
At first with Ni and two kinds of powder of V, carry out weighing by the mentioned component proportioning and join powder, then adopt ball mill to carry out ball milling, drum's speed of rotation is 150～300rpm, ball milling total time is 10～15h, after fully mixing, mixed powder is packed among mould a and the mould b;
(2) preparation of initial alloy billet
Method one is to adopt the discharge plasma sintering technology, the mould a that has 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 Ar4%H
2Carry out homogenizing under 1000～1400 ℃ of the mixed gas protected or vacuum conditions and process, sintering time is 20～25h, obtains initial billet;
Method two be will place in the step (1) the above-mentioned powder of mould b adopt traditional powder metallurgy isostatic cool pressing compact technique moulding, wherein pressing pressure is 150～300MPa, the dwell time is 5min, with the pressed compact that suppresses at Ar4%H
2Carry out homogenizing under 1000～1400 ℃ of the mixed gas protected or vacuum conditions and process, sintering time is 20～25h, obtains initial billet;
(3) thermomechanical rolling of initial billet
Initial billet is carried out direct cold rolling, and 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) the recrystallization heat treatment of cold rolling base band
The cold rolling base band that step (3) obtains is at Ar4%H
2In 550 ℃ of annealing 30min, and then be warming up to 1200～1400 ℃ of annealing 60～180min under the mixed gas protected or vacuum condition.The Ni base alloy baseband that makes by 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 guarantees 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, than high W content NiW alloy now commonly used, because the stacking fault energy of its material is little with the increase variation of alloying element content, so base band has better cubic texture;
Description of drawings
Fig. 1 is (111) and (200) the face utmost point figure after the Ni base alloy baseband of preparation among the embodiment 1 is annealed;
Fig. 2 is (111) and (002) the face utmost point figure after the Ni base alloy baseband of preparation among the embodiment 2 is annealed;
Fig. 3 is (111) and (002) the face utmost point figure after the Ni base alloy baseband of preparation among the embodiment 3 is annealed;
Fig. 4 is (111) and (002) the face utmost point figure after the Ni base alloy baseband of preparation among the embodiment 4 is annealed;
Fig. 5 is (111) and (002) the face utmost point figure after the Ni base alloy baseband of preparation among the embodiment 5 is annealed;
Fig. 6 is (111) and (002) the face utmost point figure after the Ni base alloy baseband of preparation among the embodiment 6 is annealed;
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples, but the present invention is not limited to following examples.
Embodiment 1
Purity is 99.9% Ni powder with the V powder by atomic percentage conc than being Ni
88V
12Ratio carry out weighing and join powder, then adopt ball mill to carry out ball milling, drum's speed of rotation is 300rpm, ball milling total time is 10h, after fully mixing, mixed good powder is packed in the mould; Then the mould that will fill powder is 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 Ar4%H
2Carry out homogenizing under 1400 ℃ of the mixed gas protected conditions and process, sintering time is 20h, obtains initial billet; Initial billet is carried out cold rolling, pass deformation is 5%, and total deformation 99% is final that thickness be the cold rolling base band of 80 μ m; Cold rolling base band is at Ar4%H
2Under the mixed gas protected atmosphere in 550 ℃ annealing 30min, and then be warming up to 1200 ℃ annealing 180min.(111) of this alloy base band reach (200) face utmost point figure as shown in Figure 1, and as shown in Figure 1, this alloy base band has strong cubic texture.
Embodiment 2
Purity is 99.99% Ni powder with the V powder by atomic percentage conc than being Ni
90.5V
9.5Ratio carry out weighing and join powder, then adopt ball mill to carry out ball milling, drum's speed of rotation is 150rpm, ball milling total time is 15h, after fully mixing, mixed good powder is packed in the mould; Then the mould that will fill powder is put into discharging plasma sintering equipment, add the flanging sintering in vacuum condition bottom, wherein, sintering pressure is 30Mpa, and sintering temperature is 1000 ℃, and the time is 5min, obtain pressed compact, subsequently the pressed compact that suppresses is carried out homogenizing under 1200 ℃ of vacuum conditions and process, sintering time is 22h, obtains initial billet; Initial billet is carried out cold rolling, pass deformation is 10%, and total deformation 95% is final that thickness be the cold rolling base band alloy base band of 90 μ m; Cold rolling base band is at Ar4%H
2Under the mixed gas protected atmosphere in 550 ℃ annealing 30min, and then be warming up to 1400 ℃ annealing 90min, obtain the final products alloy base band.(111) of this alloy base band reach (002) face utmost point figure as shown in Figure 2, and as shown in Figure 2, this alloy base band has strong cubic texture.
Embodiment 3
Purity is 99.9% Ni powder with the V powder by atomic percentage conc than being Ni
91V
9Ratio carry out weighing and join powder, then adopt ball mill to carry out ball milling, drum's speed of rotation is 250rpm, ball milling total time is 12h, after fully mixing, mixed good powder is packed in the mould; Then the mould that will fill powder is put into discharging plasma sintering equipment, adds the flanging sintering in vacuum condition bottom, and wherein, sintering pressure is 50Mpa, and sintering temperature is 900 ℃, and the time is 10min, obtains pressed compact, subsequently with the pressed compact that suppresses at Ar4%H
2Carry out homogenizing under 1000 ℃ of the mixed gas protected conditions and process, sintering time is 25h, obtains initial billet; Initial billet is carried out cold rolling, pass deformation is 5%, and total deformation 95% is final that thickness be the cold rolling base band of 60 μ m; Cold rolling base band is at Ar4%H
2Under the mixed gas protected atmosphere in 550 ℃ annealing 30min, and then be warming up to 1350 ℃ annealing 120min, obtain the final products alloy base band.(111) of this alloy base band reach (002) face utmost point figure as shown in Figure 3, and as shown in Figure 3, this alloy base band has strong cubic texture.
Purity is Ni and two kinds of powder of V of 99.9%, presses atomic percentage conc than being Ni
88V
12Ratio carry out weighing and join powder, then adopt ball mill to carry out ball milling, drum's speed of rotation is 300rpm, ball milling total time is 10h, after fully mixing, mixed good powder is packed in the mould; Then adopt traditional powder metallurgy isostatic cool pressing compressing in the above-mentioned mould powder that placed, wherein pressure is 250MPa, pressurize 5min; The pressed compact that suppresses is carried out homogenizing process under 1400 ℃ of vacuum conditions, sintering time is 24h, obtains initial billet; Initial billet is carried out cold rolling, pass deformation is 15%, and total deformation 98% is final that thickness be the cold rolling base band of 120 μ m; Cold rolling base band is 550 ℃ of annealing 30min under vacuum condition, and then are warming up to 1300 ℃ of annealing 90min, obtain the final products alloy base band.(111) of this alloy base band reach (002) face utmost point figure as shown in Figure 4, and as shown in Figure 4, this alloy base band has strong cubic texture.
Purity is Ni and two kinds of powder of V of 99.99%, presses atomic percentage conc than being Ni
89V
11Ratio carry out weighing and join powder, then adopt ball mill to grind, drum's speed of rotation is 250rpm, ball milling total time is 12h, after fully mixing, mixed good powder is packed in the mould; Then adopt traditional powder metallurgy isostatic cool pressing compressing in the above-mentioned mould powder that placed, wherein pressure is 300MPa, pressurize 5min; With the pressed compact that suppresses at Ar4%H
2Carry out homogenizing under mixed gas protected 1350 ℃ and process, sintering time is 20h, obtains initial billet; Initial billet is carried out cold rolling, pass deformation is 5%, and total deformation 95% is final that thickness be the cold rolling base band of 80 μ m; Cold rolling base band is at Ar4%H
2Under the mixed gas protected atmosphere in 550 ℃ annealing 30min, and then be warming up to 1200 ℃ annealing 120min, obtain the final products alloy base band.(111) of this alloy base band reach (002) face utmost point figure as shown in Figure 5, and as shown in Figure 5, this alloy base band has strong cubic texture.
Embodiment 6
Purity is 99.9% Ni powder with the V powder by atomic percentage conc than being Ni
91V
9Ratio carry out weighing and join powder, then adopt ball mill to grind, drum's speed of rotation is 150rpm, ball milling total time is 15h, after fully mixing, mixed good powder is packed in the mould; Then adopt traditional powder metallurgy isostatic cool pressing compressing in the above-mentioned mould powder that placed, wherein pressure is 150MPa, pressurize 5min; With the pressed compact that suppresses at Ar4%H
2Carry out homogenizing under mixed gas protected 1000 ℃ and process, sintering time is 25h, obtains initial billet; Initial billet is carried out cold rolling, pass deformation is 5%, and total deformation 95% is final that thickness be the cold rolling base band of 90 μ m; Cold rolling base band is at Ar4%H
2Under the mixed gas protected atmosphere in 550 ℃ annealing 30min, and then be warming up to 1400 ℃ annealing 60min, obtain the final products alloy base band.(111) of this alloy base band reach (002) face utmost point figure as shown in Figure 6, and as shown in Figure 6, this alloy base band has strong cubic texture.
Claims (1)
1. the preparation method of a non-magnetic texture NiV alloy baseband is characterized in that processing step is as follows:
(1) mixing of initial powder and mold filling
At first with Ni and two kinds of powder of V, be that 9～12% proportioning is carried out weighing and joined powder by the V atom percentage content, then adopt ball mill to carry out ball milling, drum's speed of rotation is 150～300rpm, ball milling total time is 10～15h, after fully mixing, mixed powder is packed among mould a and the mould b;
(2) preparation of initial alloy billet
Method one is to adopt the discharge plasma sintering technology, the mould a that has 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 Ar4%H
2Carry out homogenizing under 1000～1400 ℃ of the mixed gas protected or vacuum conditions and process, sintering time is 20～25h, obtains initial billet;
Method two be will place in the step (1) the above-mentioned powder of mould b adopt traditional powder metallurgy isostatic cool pressing compact technique moulding, wherein pressing pressure is 150～300MPa, the dwell time is 5min, with the pressed compact that suppresses at Ar4%H
2Carry out homogenizing under 1000～1400 ℃ of the mixed gas protected or vacuum conditions and process, sintering time is 20～25h, obtains initial billet;
(3) thermomechanical rolling of initial billet
Initial billet is carried out direct cold rolling, and 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) the recrystallization heat treatment of cold rolling base band
The cold rolling base band that step (3) obtains is at Ar4%H
2In 550 ℃ of annealing 30min, and then be warming up to 1200～1400 ℃ of annealing 60～180min under the mixed gas protected or vacuum condition, obtain non-magnetic texture NiV alloy baseband.
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| CN102430572B (en) * | 2011-11-23 | 2014-06-11 | 北京工业大学 | Manufacturing process for non-magnetic Cu-base alloy basebands in strong cubic texture |
| CN102756512B (en) * | 2012-07-04 | 2014-10-22 | 北京工业大学 | Low-magnetism or magnetism-free and high-strength Ni-W alloy composite base band and preparation method thereof |
| CN102825857A (en) * | 2012-07-11 | 2012-12-19 | 北京工业大学 | Nonmagnetic texture Ni-based alloy composite baseband and preparation method thereof |
| CN105537598A (en) * | 2015-12-15 | 2016-05-04 | 河南师范大学 | Preparation method of high-performance textured copper-nickel alloy composite base band for coated conductor |
| CN106346008B (en) * | 2016-08-31 | 2018-09-07 | 河南师范大学 | A kind of preparation method of no ferromagnetism texture nickel tungsten/nickel vanadium/nickel tungsten composite baseband |
| CN106816227B (en) * | 2016-12-16 | 2018-08-24 | 上海超导科技股份有限公司 | The preparation method of second-generation high-temperature superconductor metal toughness template |
| CN111004943A (en) * | 2020-01-06 | 2020-04-14 | 河南师范大学 | Preparation method of high-performance nickel-vanadium-copper-phosphorus alloy baseband |
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| US6331199B1 (en) * | 2000-05-15 | 2001-12-18 | Ut-Battelle, Llc | Biaxially textured articles formed by powder metallurgy |
| CN100374596C (en) * | 2006-05-19 | 2008-03-12 | 北京工业大学 | Ni-base alloy composite baseband and powder metallurgy method for preparing same |
| CN100571970C (en) * | 2008-04-07 | 2009-12-23 | 北京工业大学 | A kind of preparation method of coating superconductivity high W content Ni-W alloy baseband |
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Effective date of registration: 20170718 Address after: Support 530000 Nanning Road, the Guangxi Zhuang Autonomous Region No. 32 South Lake Garden 4-2004 Patentee after: Guo Fuliang Address before: 100124 Chaoyang District, Beijing Ping Park, No. 100 Patentee before: Beijing University of Technology |
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Effective date of registration: 20221020 Address after: A1501, Innovation Plaza, No. 2007, Pingshan Avenue, Liulian Community, Pingshan Street, Pingshan District, Shenzhen, Guangdong 518118 Patentee after: Shenchuang Superconductor (Shenzhen) Technology Co.,Ltd. Address before: 4-2004, Nanhu Scenic Garden, No. 32, Shuangyong Road, Nanning City, 530000 Guangxi Zhuang Autonomous Region Patentee before: Guo Fuliang |
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