CN103194704A - Preparation method of low-cost nickel baseband with high cube texture content - Google Patents
Preparation method of low-cost nickel baseband with high cube texture content Download PDFInfo
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- CN103194704A CN103194704A CN2013101357327A CN201310135732A CN103194704A CN 103194704 A CN103194704 A CN 103194704A CN 2013101357327 A CN2013101357327 A CN 2013101357327A CN 201310135732 A CN201310135732 A CN 201310135732A CN 103194704 A CN103194704 A CN 103194704A
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Abstract
The invention relates to a preparation method of a low-cost nickel baseband with high cube texture content, and belongs to the technical field of high-temperature superconductive coating conductor metal basebands. The method comprises the following steps of: firstly preparing an initial plate with certain cube texture content through cold rolling and annealing; carrying out cold rolling on the initial plate through 3%-10% of pass reduction, wherein total reduction is 95%-98%; and finally annealing at 700-900 DEG C for 30-60 minutes in a protective gas, wherein the heating rate is 300 DEG C/hour. Texture test analysis discovers that the method disclosed by the invention can be used for obtaining the baseband with very high cube texture content by annealing at lower temperature, thereby reducing the energy consumption and the production cost and increasing the production efficiency; and the method disclosed by the invention is low in cost and has important significance on the production, application and popularization of a second-generation high-temperature superconductive belt material.
Description
Technical field
The present invention relates to the preparation method of a kind of low cost, high cubic texture content nickel-base strip, belong to conductor of high-temperature superconductor coat metal base band technical field.
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Background technology
Along with people's further investigation is found, be that the s-generation conductor of high-temperature superconductor coat of representative has superior performance with YBCO, particularly it has a wide range of applications in the forceful electric power field.Preparing high performance metal base band is the important leverage of preparation high-performance coating conductor.Only deposit the coating conductor that transition layer and superconducting layer just can obtain high critical current densities by the epitaxy mode on high cubic texture content metal base band, therefore the base band material as coating conductor must obtain high cubic texture content easily.At present, studying the most widely, the base band material is Ni and NiW alloy base band.But, increase along with alloying element W content, the stacking fault energy of alloy reduces gradually, make the deformation mechanism of this alloy in deformation process change, caused the deformation states change of texture, recrystallization texture generation considerable change after finally causing annealing, the formation of cubic texture becomes very difficult in the base band, is difficult for obtaining strong cubic texture.At present, preparing the most frequently used method of biaxial texture nickel-base strip is rolling auxiliary biaxial texture base band (RABiTS) method, this method is that the metallic nickel base band is cold roller and deformed to certain deformation amount (more than 95%), and then under higher temperature, anneal, can make nickel-base strip obtain stronger cubic texture.Ni and Ni alloy base band just can obtain stronger cubic texture when usually, having only cold rolling very large deformation amount (more than 95%) and (more than 1200 ℃) annealing at high temperature.CN1057136C disclosed " a kind of manufacture method of cubic texture nickel-base strip " and for example, relate to a kind of base band material and manufacture method thereof of making the YBCO superconducting thick-film of epitaxy high critical current densities, comprise the steps: that a. adopts electron-bombardment zone melting method purifying nickel ingot, makes its purity greater than 99.99%; B. under hydrogen shield, heat, forge and make blank; C. blank surface is cleaned after annealing; D. it is rolling blank to be carried out orientation, and working modulus is greater than 95%; E. clean final vacuum annealing, annealing temperature is 950 ℃～1000 ℃, and annealing time is 5～15 hours; F. cool off room temperature in a vacuum.Adopt directed rolling method, its working modulus is greater than 95%.Adopt the cubic texture nickel-base strip of method manufacturing of the present invention have single 100}＜001〉texture, crystal (100) face is parallel to the face of rolling, crystal＜100〉direction be parallel to roll to, (002) FWHM of X-ray diffraction (halfwidth) is 5.2 °, can satisfy the needs of epitaxy YBCO superconducting thick-film.
Because aforesaid method needs very high directed rolling working modulus and annealing temperature, production cost is higher; In addition, after W content is greater than 5%, even adopt the RABiTS method also to be difficult to obtain the base band of higher cubic texture content.Therefore, the nickel-base strip that how to adopt low cost method to obtain high cubic texture content is a current difficult problem that faces.
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Summary of the invention
At the prior art above shortcomings, the objective of the invention is to propose a kind of method for preparing the nickel-base strip of high cubic texture content at a lower temperature, can prepare have extremely strong 100}＜001〉nickel-base strip of cubic texture, to satisfy the needs at this type of base band preparation buffer layer and conductor of high-temperature superconductor coat.
To achieve these goals, the present invention takes following technical scheme: the preparation method of the high cubic texture content of a kind of low cost nickel-base strip comprises following processing step:
1) metal pure nickel or nickel tungsten are carried out cold rolling with 3%～10% reduction in pass, total reduction is 80%～90%;
2) the metal nickel strap that step 1) is prepared is at Ar+4%H
2Under the protective atmosphere, carry out recrystallization annealing with 600 ℃～900 ℃, annealing time is 30～60 min, obtains the band of initial cubic texture content;
3) with step 2) band of preparation carries out cold rollingly with 3%～10% reduction in pass, and total reduction is 95%～98%;
4) band that step 3) is prepared is at Ar+4%H
2Under the protective atmosphere, carry out recrystallization annealing with 700 ℃～900 ℃, annealing time is 30～60min, obtains the nickel-base strip of high cubic texture content.
Further, described cold rolling employing unidirection rolling is avoided changing rolling direction and is made cubic texture generation diffusion, reduces the quality of cubic texture, shows as ω scanning and the increase of φ scanning value of a half width.
Further, the control of the reduction in pass in the operation of rolling is below 10%.In the operation of rolling, the reducing of the increase of passage, reduction in pass makes all crystal grain all be subjected to the effect of rolling load, participate in transition process, make base band deformation evenly can not produce stress concentration, being conducive to rolling texture is formation and the reinforcement of C and S texture component, and C and S texture component play a decisive role for form strong cubic texture in annealing process.
Compared to existing technology, the present invention has following beneficial effect:
The inventive method has at first prepared the metallic nickel band that contains initial cubic texture by cold rolling and annealing, these initial cube orientation crystal grain can remain in cold rolling rear section, thereby the formation of cubic texture when promoting annealing, prepare the nickel-base strip (adopt the analysis of X-ray diffraction macroscopic view structure, cubic texture content is high cubic texture content more than 90%) of high cubic texture content; Initial cubic texture content before cold rolling by the control base band, (700 ℃～900 ℃) annealing at a lower temperature just can be prepared the nickel-base strip of high cubic texture content, can reduce final recrystallization annealing temperature significantly, thereby reduce energy consumption and production costs, simple to operate in addition, repeatable strong, do not need expensive device, be easy to scale operation, method of the present invention has a good application prospect.
Experiment showed, that less reduction in pass forms sharp-pointed cubic texture when also being conducive to recrystallization annealing, showing as ω scanning and φ, to scan halfwidth less.
Adopt the used for coating conductor nickel-base strip of the inventive method preparation, have sharp-pointed cubic texture 100}＜001 〉, base band (200) face ω scanning halfwidth (FWHM) is 5 ~ 7 °, (111) face φ scanning halfwidth is 9 ~ 11 °.
Description of drawings
Fig. 1 is the utmost point figure of the nickel-base strip of preparation in the embodiment of the invention 1;
Fig. 2 is the utmost point figure of the nickel-base strip of preparation in the embodiment of the invention 2;
Fig. 3 passes through the utmost point figure of the nickel-base strip of cold rolling and annealing preparation for the band that does not contain initial cubic texture.
Contain { 100 }, { 110 } and { 111 } utmost point figure in the above-mentioned accompanying drawing respectively.
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Embodiment
Below in conjunction with drawings and the specific embodiments the present invention is described in further detail.
Embodiment 1: the preparation method of the high cubic texture content of a kind of low cost nickel-base strip comprises following processing step:
1) it is cold rolling the metal pure nickel to be carried out 80% deflection, and pass deformation is 5%;
2) at Ar+4%H
2Under the protective atmosphere, at 700 ℃ of annealing 1h, obtain initial cubic texture content and be 30% material;
3) it is cold rolling that the nickel strap that will contain initial cubic texture carries out 96% deformation quantity, and the passage deformation quantity is 5%, and final thickness is 80 μ m;
4) with cold rolling nickel strap at Ar+4%H
2Under the protective atmosphere, 900 ℃ of annealing 30min obtain cubic texture content and are 98.2% nickel-base strip (see figure 1).
Embodiment 2: the preparation method of the high cubic texture content of a kind of low cost nickel-base strip comprises following processing step:
1) with Ni
5It is cold rolling that W alloy sheet material carries out 80% deflection, and pass deformation is 5%;
2) at Ar+4%H
2Under the protective atmosphere, at 900 ℃ of annealing 1h, obtain initial cubic texture content and be 15% material;
3) it is cold rolling that the nickel strap that will contain initial cubic texture carries out 96% deformation quantity, and the passage deformation quantity is 5%, and final thickness is 80 μ m;
4) with cold rolling nickel strap at Ar+4%H
2Under the protective atmosphere, 900 ℃ of annealing 60min obtain cubic texture content and are 94.8% nickel-base strip (see figure 2).
Embodiment 3: the preparation method of the high cubic texture content of a kind of low cost nickel-base strip comprises following processing step:
1) with Ni
5It is cold rolling that W carries out 90% deflection, and pass deformation is 5%;
2) at Ar+4%H
2Under the protective atmosphere, at 800 ℃ of annealing 1h, obtain initial cubic texture content and be 10% material;
3) it is cold rolling that the nickel strap that will contain initial cubic texture texture carries out 96% deformation quantity, and the passage deformation quantity is 5%, and final thickness is 80 μ m;
4) with cold rolling nickel strap at Ar+4%H
2Under the protective atmosphere, 900 ℃ of annealing 30min obtain cubic texture content and are 91.6% nickel-base strip.
Embodiment 4: the preparation method of the high cubic texture content of a kind of low cost nickel-base strip comprises following processing step:
1) it is cold rolling the metal pure nickel to be carried out 80% deflection, and pass deformation is 5%;
2) at Ar+4%H
2Under the protective atmosphere, at 600 ℃ of annealing 1h, obtain initial cubic texture content and be 15% material;
3) it is cold rolling that the nickel strap that will contain initial cubic texture texture carries out 96% deformation quantity, and the passage deformation quantity is 5%, and final thickness is 80 μ m;
4) with cold rolling nickel strap at Ar+4%H
2Under the protective atmosphere, 900 ℃ of annealing 30min obtain cubic texture content and are 93.5% nickel-base strip.
Simultaneous test: will not contain initial cube pure nickel sample, and be cold-rolled to 96% deformation quantity, with the 900 ℃ of annealing 30min down under argon hydrogen mixture protection respectively of similarity condition in the example, the content of its recrystallize cubic texture is that 82.2%(sees Fig. 3).Compare with the base band that contains initial cubic texture in the described example, cubic texture content will lack a lot.And do not contain initial cubic texture, cold rolling deformation quantity is 96% Ni
5The W base band has only obtained 65.4% cubic texture behind the annealing 30min down at 900 ℃.
Find to adopt this method to anneal at a lower temperature by the texture test analysis and just can obtain the base band of very high cubic texture content, thereby can reduce energy consumption and production cost, enhance productivity.Method of the present invention has great importance to production and the application of s-generation belt material of high temperature superconduct.
The inventive method has prepared the metallic nickel band that contains initial cubic texture by cold rolling and annealing; Initial cubic texture content before cold rolling by the control base band, can anneal at a lower temperature obtains having the very Ni base band of strong cubic texture, can reduce the recrystallization annealing temperature significantly, thereby reduce energy consumption and production costs; Control the recrystallize cubic texture by controlling initial cubic texture.Simple to operate in addition, repeatable strong, do not need expensive device, be easy to scale operation, method of the present invention has a good application prospect.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (4)
1. the preparation method of the high cubic texture content of a low cost nickel-base strip comprises following processing step:
1) metal pure nickel or nickel tungsten are carried out cold rolling with 3%～10% reduction in pass, total reduction is 80%～90%;
2) the metal nickel strap that step 1) is prepared is at Ar+4%H
2Under the protective atmosphere, carry out recrystallization annealing with 600 ℃～900 ℃, annealing time is 30～60 min, obtains the band of initial cubic texture content;
3) with step 2) band of preparation carries out cold rollingly with 3%～10% reduction in pass, and total reduction is 95%～98%;
4) band that step 3) is prepared is at Ar+4%H
2Under the protective atmosphere, carry out recrystallization annealing with 700 ℃～900 ℃, annealing time is 30～60min, obtains the nickel-base strip of high cubic texture content.
2. according to the preparation method of the high cubic texture content of the described low cost of claim 1 nickel-base strip, it is characterized in that, in described step 1) and the step 3), described cold rolling employing unidirection rolling.
3. according to the preparation method of the high cubic texture content of the described low cost of claim 1 nickel-base strip, it is characterized in that in described step 1) and the step 3), described cold rolling reduction in pass control is below 10%.
4. according to the preparation method of the high cubic texture content of the described low cost of claim 1 nickel-base strip, it is characterized in that described nickel-base strip is the NiW base band, wherein the atomic percentage conc of W is 0%～7%.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942032A (en) * | 2014-03-26 | 2015-09-30 | 无锡市东杨电子有限公司 | Nickel strap production acid-pickling-free process |
| CN106816228A (en) * | 2016-12-16 | 2017-06-09 | 上海超导科技股份有限公司 | Preparation method of the second-generation high-temperature superconductor without textured metal strip |
| CN106816227A (en) * | 2016-12-16 | 2017-06-09 | 上海超导科技股份有限公司 | The preparation method of second-generation high-temperature superconductor metal toughness template |
| CN113426829A (en) * | 2021-06-11 | 2021-09-24 | 无锡市东杨新材料股份有限公司 | Method for reducing S-bend of ultrathin cold-rolled pure nickel strip |
| CN113953317A (en) * | 2021-08-30 | 2022-01-21 | 江苏圣珀新材料科技有限公司 | Cold rolling preparation process of nickel-based alloy strip |
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| US20070062613A1 (en) * | 2003-09-10 | 2007-03-22 | Joerg Eickemeyer | Nickel-based semifinished product having a cube recrystallization texture, corresponding method of production and use |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942032A (en) * | 2014-03-26 | 2015-09-30 | 无锡市东杨电子有限公司 | Nickel strap production acid-pickling-free process |
| CN106816228A (en) * | 2016-12-16 | 2017-06-09 | 上海超导科技股份有限公司 | Preparation method of the second-generation high-temperature superconductor without textured metal strip |
| CN106816227A (en) * | 2016-12-16 | 2017-06-09 | 上海超导科技股份有限公司 | The preparation method of second-generation high-temperature superconductor metal toughness template |
| CN113426829A (en) * | 2021-06-11 | 2021-09-24 | 无锡市东杨新材料股份有限公司 | Method for reducing S-bend of ultrathin cold-rolled pure nickel strip |
| CN113953317A (en) * | 2021-08-30 | 2022-01-21 | 江苏圣珀新材料科技有限公司 | Cold rolling preparation process of nickel-based alloy strip |
| CN113953317B (en) * | 2021-08-30 | 2024-02-13 | 江苏圣珀新材料科技有限公司 | Cold rolling preparation process of nickel-based alloy strip |
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