CN109604546B - Preparation method of high-strength and strong-cube-texture nickel-tungsten base belt - Google Patents
Preparation method of high-strength and strong-cube-texture nickel-tungsten base belt Download PDFInfo
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- CN109604546B CN109604546B CN201910054617.4A CN201910054617A CN109604546B CN 109604546 B CN109604546 B CN 109604546B CN 201910054617 A CN201910054617 A CN 201910054617A CN 109604546 B CN109604546 B CN 109604546B
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- MOWMLACGTDMJRV-UHFFFAOYSA-N nickel tungsten Chemical compound [Ni].[W] MOWMLACGTDMJRV-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 33
- 238000005098 hot rolling Methods 0.000 claims abstract description 21
- 238000005097 cold rolling Methods 0.000 claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 16
- 230000005291 magnetic effect Effects 0.000 claims abstract description 13
- 238000001953 recrystallisation Methods 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 238000009749 continuous casting Methods 0.000 claims abstract description 7
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910002056 binary alloy Inorganic materials 0.000 claims abstract description 5
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 239000011574 phosphorus Substances 0.000 claims abstract description 5
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 5
- 239000011593 sulfur Substances 0.000 claims abstract description 5
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000011084 recovery Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229910001080 W alloy Inorganic materials 0.000 description 11
- 238000000137 annealing Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005307 ferromagnetism Effects 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
Abstract
A preparation method of a high-strength and strong-cube-texture nickel-tungsten baseband comprises the following steps: (1) continuous casting and heat treatment of the alloy thin strip: the method comprises the following steps of obtaining a nickel-tungsten binary alloy billet by adopting a continuous strip casting process technology according to the tungsten atom percentage content of 12%, wherein the thickness of the billet is 2.0mm, the contents of impurity elements of sulfur, carbon and phosphorus are controlled below 30ppm, and then carrying out heat treatment on the billet, wherein the process comprises the following steps: preserving the heat at 1300 ℃ for 2 hours; (2) hot rolling of the alloy billet: carrying out hot rolling on the billet, wherein the hot rolling process comprises the following steps: the initial rolling temperature is 1380 ℃, the final rolling temperature is 1150-1180 ℃, single-pass hot rolling is carried out, and the deformation is 50%; and (3) cold rolling and heat treatment of the hot-rolled sheet: the method comprises the following steps of (1) carrying out cold rolling after descaling on a hot rolled plate, wherein the cold rolling deformation is 70% -78%, and then carrying out reversion heat treatment on a cold rolled strip, wherein the process comprises the following steps: keeping the temperature at 700 ℃ for 2min, and then carrying out recrystallization heat treatment, wherein the recrystallization heat treatment process comprises the following steps: keeping the temperature of 1260-1300 ℃ for 20min under an external magnetic field of 8T-12T.
Description
Technical Field
The invention relates to a preparation method of a high-temperature coating superconductor tape strengthening texture metal baseband, in particular to a preparation method of a non-ferromagnetic high-strength texture nickel-tungsten alloy baseband.
Background
The second generation high temperature superconducting material has wide application value in the fields of strong electricity, strong magnetism and weak electricity.
The second generation of coated superconducting tapes are composed of a tough metal substrate and a plurality of layers of films epitaxially grown on the tough metal substrate, and the ferromagnetism, strong cubic texture, mechanical properties and the like of the metal substrate tape are the problems to be solved in the field of coating superconducting tape preparation at present. At present, the Ni-5 at.% W alloy base band is commercially produced, but the mechanical strength and magnetic property of the Ni-5 at.% W alloy base band cannot meet the requirements of the high-performance coated superconducting strip, so that the application field of the superconducting material is limited to a large extent, and although the W content is increased, the mechanical property and magnetic property of the superconducting material can be effectively improved, so that the superconducting material is suitable for the research of the high-performance base band, but the high-performance nickel-tungsten alloy base band is not commercially produced due to the difficulty in obtaining a strong cubic texture through the traditional preparation route, which is a difficulty in the research of the nickel-tungsten alloy base band at present.
How to obtain a nickel-tungsten alloy base band with higher strength and form a strong cubic texture has important research value in the research field of the coating superconducting strip.
Disclosure of Invention
The invention aims to provide a preparation method of a high-strength nickel-tungsten alloy baseband, so as to obtain the high-performance nickel-tungsten alloy baseband and meet the application requirements of more fields.
Therefore, the invention provides a preparation method of a high-strength and strong-cube-texture nickel-tungsten baseband, which comprises the following steps: (1) continuous casting and heat treatment of the alloy thin strip: the method comprises the following steps of obtaining a nickel-tungsten binary alloy billet by adopting a continuous strip casting process technology according to the tungsten atom percentage content of 12%, wherein the thickness of the billet is 2.0mm, the contents of impurity elements of sulfur, carbon and phosphorus are controlled below 30ppm, and then carrying out heat treatment on the billet, wherein the process comprises the following steps: preserving the heat at 1300 ℃ for 2 hours; (2) hot rolling of the alloy billet: carrying out hot rolling on the billet subjected to the heat treatment, wherein the hot rolling process comprises the following steps: the initial rolling temperature is 1380 ℃, the final rolling temperature is 1150-1180 ℃, single-pass hot rolling is carried out, and the deformation is 50%; and (3) cold rolling and heat treatment of the hot-rolled sheet: the obtained hot rolled plate is cold rolled after descaling, the cold rolling deformation is 70% -78%, and then the cold rolled strip is subjected to recovery heat treatment, and the process is as follows: keeping the temperature at 700 ℃ for 2min, and then carrying out recrystallization heat treatment, wherein the recrystallization heat treatment process comprises the following steps: keeping the temperature of 1260-1300 ℃ for 20min under an external magnetic field of 8T-12T.
Preferably, in the step (2), the finishing temperature is 1160 ℃.
Preferably, in step (3), the recrystallization heat treatment process is: keeping the temperature of 1260-1300 ℃ for 20min under the external magnetic field of 10T.
In the prior art, the Ni-12 at.% W alloy has high mechanical properties and no ferromagnetism, but strong cubic texture is difficult to obtain. Compared with the prior art, the thin ingot obtained by adopting the continuous casting thin strip technology has a columnar crystal structure, so that the initial ingot has a cubic texture with certain strength, and a strong cubic texture can be formed in the subsequent cold rolling and annealing processes with medium and medium deformation, wherein an external magnetic field is introduced in the annealing process, so that the formation of the cubic texture in the nickel alloy with high W content can be effectively controlled, a base band with fine and uniform grain size can be obtained, and the mechanical property of the annealed base band is further improved. Therefore, the nickel-tungsten base belt with high strength and strong cubic texture can be obtained.
Drawings
The drawings used in the present application will be briefly described below, and it should be apparent that they are merely illustrative of the concepts of the present invention.
Fig. 1 is a (111) plane polar diagram of a base band in embodiment 1 of the present invention.
Fig. 2 is a (111) plane polar diagram of the base band in embodiment 2 of the present invention.
Detailed Description
An example of the method of making a high strength, strong cube textured nickel tungsten base tape of the present invention will now be described.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, other embodiments will be apparent to those skilled in the art from consideration of the specification and claims herein.
Example 1
The preparation method of embodiment 1 of the invention comprises the following steps:
(1) continuous casting and heat treatment of alloy thin strip
The method comprises the following steps of obtaining a nickel-tungsten binary alloy billet by adopting a continuous strip casting process technology according to the tungsten atom percentage content of 12%, wherein the thickness of the billet is 2.0mm, the contents of impurity elements of sulfur, carbon and phosphorus are controlled below 30ppm, and then carrying out heat treatment on the billet, wherein the process comprises the following steps: preserving the heat at 1300 ℃ for 2 hours;
(2) hot rolling of alloy billets
Carrying out hot rolling on the ingot subjected to the annealing treatment, wherein the hot rolling process comprises the following steps: the initial rolling temperature is 1380 ℃, the final rolling temperature is 1150 ℃, single-pass hot rolling is carried out, and the deformation is 50%;
(3) cold rolling and heat treatment of hot-rolled sheet
After descaling, the obtained hot rolled plate is subjected to cold rolling, the cold rolling deformation is 70%, and then the cold rolled strip is subjected to recovery heat treatment, wherein the process comprises the following steps: keeping the temperature at 700 ℃ for 2min, and then carrying out recrystallization heat treatment, wherein the recrystallization heat treatment process comprises the following steps: keeping the temperature at 1260 ℃ for 20min under an external magnetic field of 12T.
The (111) plane pole pattern of the surface of the alloy base strip prepared in this example is shown in FIG. 1. The yield strength of the base band at room temperature is 500MPa, which is obviously higher than that of the Ni-5 at.% W alloy base band.
Example 2
The preparation method of embodiment 2 of the invention comprises the following steps:
(1) continuous casting and heat treatment of alloy thin strip
The method comprises the following steps of obtaining a nickel-tungsten binary alloy billet by adopting a continuous strip casting process technology according to the tungsten atom percentage content of 12%, wherein the thickness of the billet is 2.0mm, the contents of impurity elements of sulfur, carbon and phosphorus are controlled below 30ppm, and then carrying out heat treatment on the billet, wherein the process comprises the following steps: preserving the heat at 1300 ℃ for 2 hours;
(2) hot rolling of alloy billets
Carrying out hot rolling on the ingot subjected to the annealing treatment, wherein the hot rolling process comprises the following steps: the initial rolling temperature is 1380 ℃, the final rolling temperature is 1180 ℃, single-pass hot rolling is carried out, and the deformation is 50%;
(3) cold rolling and heat treatment of hot-rolled sheet
After descaling, the obtained hot rolled plate is subjected to cold rolling, the cold rolling deformation is 78%, and then the cold rolled strip is subjected to recovery heat treatment, wherein the process comprises the following steps: keeping the temperature at 700 ℃ for 2min, and then carrying out recrystallization heat treatment, wherein the recrystallization heat treatment process comprises the following steps: keeping the temperature at 1300 ℃ for 20min under an external magnetic field of 10T.
The (111) plane pole pattern of the surface of the alloy base strip prepared in this example is shown in FIG. 2. The yield strength of the base band at room temperature is 490MPa, which is obviously higher than that of the Ni-5 at.% W alloy base band.
The above examples are merely specific embodiments selected to illustrate the concept of the present invention, and in these examples, specific processes are components of specific aspects of the present invention, but specific parameters in specific processes are merely preferred and are not necessarily to be construed as limiting the scope of the present invention. The following steps are provided to illustrate the preferable ranges of some process parameters of the preparation method of the strong cubic texture layered alloy baseband.
Step (2): hot rolling of alloy billets
The finishing temperature may be 1150 ℃ to 1180 ℃, for example 1160 ℃, 1170 ℃, and the like.
And (3): cold rolling and heat treatment of hot-rolled sheet
The cold rolling deformation may be 70% to 78%, for example 72%, 75%, 76%, etc. The recrystallization heat treatment process can be as follows: keeping the temperature of 1260-1300 ℃ for 20min under an external magnetic field of 8T-12T; for example, the applied magnetic field is 10T, 11T, etc., and the temperature is maintained at 1280 deg.C, 1290 deg.C, etc. for 20 min.
The specific process defined by the invention can enable the alloy base band to have different properties, and is obtained by the hard research of the invention.
The thin billet is obtained by adopting a continuous casting thin strip technology, has a columnar crystal structure, so that the initial billet has a cubic texture with certain strength, and can form a strong cubic texture in the subsequent cold rolling and annealing processes with medium deformation, wherein an external magnetic field is introduced in the annealing process, so that the formation of the cubic texture in the nickel alloy with high W content can be effectively controlled, a base band with fine and uniform crystal grain size can be obtained, and the mechanical property of the annealed base band is further improved.
The invention provides a novel preparation method for preparing a high-strength and strong-cube-texture nickel-tungsten baseband, overcomes technical obstacles, and finds a novel approach for obtaining a ferrimagnetism-free texture alloy baseband.
In addition, the specific characteristics, such as specific process parameters, of the preparation method of the high-strength and strong-cube-texture nickel-tungsten baseband can be specifically designed according to the functions of the characteristics disclosed above, and the design can be realized by those skilled in the art. Moreover, the technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the purpose of the invention.
Claims (3)
1. A preparation method of a high-strength and strong-cube-texture nickel-tungsten baseband comprises the following steps:
(1) continuous casting and heat treatment of alloy thin strip
The method comprises the following steps of obtaining a nickel-tungsten binary alloy billet by adopting a continuous strip casting process technology according to the tungsten atom percentage content of 12%, wherein the thickness of the billet is 2.0mm, the contents of impurity elements of sulfur, carbon and phosphorus are controlled below 30ppm, and then carrying out heat treatment on the billet, wherein the process comprises the following steps: preserving the heat at 1300 ℃ for 2 hours;
(2) hot rolling of alloy billets
Carrying out hot rolling on the billet subjected to the heat treatment, wherein the hot rolling process comprises the following steps: the initial rolling temperature is 1380 ℃, the final rolling temperature is 1150-1180 ℃, single-pass hot rolling is carried out, and the deformation is 50%; and
(3) cold rolling and heat treatment of hot-rolled sheet
The obtained hot rolled plate is cold rolled after descaling, the cold rolling deformation is 70% -78%, and then the cold rolled strip is subjected to recovery heat treatment, and the process is as follows: keeping the temperature at 700 ℃ for 2min, and then carrying out recrystallization heat treatment, wherein the recrystallization heat treatment process comprises the following steps: keeping the temperature of 1260-1300 ℃ for 20min under an external magnetic field of 8T-12T.
2. The production method according to claim 1, wherein, in the step (2), the finish rolling temperature is 1160 ℃.
3. The preparation method according to claim 1, wherein, in the step (3), the recrystallization heat treatment process is: keeping the temperature of 1260-1300 ℃ for 20min under the external magnetic field of 10T.
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| CN201910054617.4A CN109604546B (en) | 2019-01-21 | 2019-01-21 | Preparation method of high-strength and strong-cube-texture nickel-tungsten base belt |
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| CN201910054617.4A CN109604546B (en) | 2019-01-21 | 2019-01-21 | Preparation method of high-strength and strong-cube-texture nickel-tungsten base belt |
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| CN110951995B (en) * | 2019-12-25 | 2021-03-19 | 河南工学院 | Preparation method of high-strength nickel-based alloy baseband |
| CN111172483B (en) * | 2020-01-15 | 2021-05-28 | 焦作大学 | Preparation method of Ni-W alloy baseband with high W content |
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| JPH1192807A (en) * | 1997-09-19 | 1999-04-06 | Sumitomo Metal Mining Co Ltd | Nickel-tungsten alloy powder and its production |
| CN100436605C (en) * | 2005-09-23 | 2008-11-26 | 东北大学 | Method for manufacturing non-oriented silicon steel sheet |
| CN101514413B (en) * | 2009-04-03 | 2010-12-01 | 西北有色金属研究院 | Preparing method of nickel tungsten base band used for coated conductor |
| CN102500638B (en) * | 2011-11-24 | 2014-07-23 | 北京工业大学 | Method for producing high-cube-texture high-tungsten-content NI (nickel)-W (tungsten) alloy substrate bands |
| CN103938031B (en) * | 2014-05-05 | 2015-10-14 | 河南师范大学 | A kind of preparation method of nonmagnetic, strength texture Ni-W alloy base band |
| JP6487813B2 (en) * | 2015-09-01 | 2019-03-20 | 住友電気工業株式会社 | Nickel tungsten alloy and contact probe |
| CN106868344B (en) * | 2017-02-28 | 2018-09-28 | 郑州师范学院 | A kind of preparation method of high-performance cubic texture Ni-12at.%W alloy base bands |
| CN107267901B (en) * | 2017-07-04 | 2018-09-28 | 焦作大学 | A kind of preparation method of the high intensity without ferromagnetism texture Ni-W alloy base bands |
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