CN1329538C - Method for making enforced double-axis woven Ag/AgMg composite base band - Google Patents
Method for making enforced double-axis woven Ag/AgMg composite base band Download PDFInfo
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- CN1329538C CN1329538C CNB200510115767XA CN200510115767A CN1329538C CN 1329538 C CN1329538 C CN 1329538C CN B200510115767X A CNB200510115767X A CN B200510115767XA CN 200510115767 A CN200510115767 A CN 200510115767A CN 1329538 C CN1329538 C CN 1329538C
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- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title abstract description 4
- 238000000137 annealing Methods 0.000 claims abstract description 22
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000012467 final product Substances 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 229910052786 argon Inorganic materials 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims abstract description 3
- 238000005266 casting Methods 0.000 claims description 36
- 238000002360 preparation method Methods 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 12
- 238000005097 cold rolling Methods 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract description 5
- 229910001316 Ag alloy Inorganic materials 0.000 abstract description 2
- 229910017944 Ag—Cu Inorganic materials 0.000 abstract description 2
- 238000000151 deposition Methods 0.000 abstract description 2
- 239000011888 foil Substances 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005315 distribution function Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002887 superconductor Substances 0.000 description 2
- 229910021521 yttrium barium copper oxide Inorganic materials 0.000 description 2
- 206010049244 Ankyloglossia congenital Diseases 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- Superconductors And Manufacturing Methods Therefor (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Superconductor Devices And Manufacturing Methods Thereof (AREA)
Abstract
本发明属高温超导强化韧性材料领域。目前在Ag合金或者是Ag-Cu复合基底强化了的基带表面没有形成单一稳定{110}<110>双轴织构。本方法步骤：将Mg粉和Ag粉氩气保护下熔融，制成Ag0.90Mg0.10或Ag0.99Mg0.01初始铸锭后轧制至1-4mm厚；按照Ag箔-Cu箔-AgMg初始铸锭-Cu箔-Ag箔或Ag箔-Cu箔-AgMg初始铸锭的顺序冷压获的多层铸锭，厚度5mm～13mm，其中Ag箔厚度3mm～8.5mm，Cu箔厚度30μm～40μm；800℃～850℃真空退火3～5小时；退火后冷轧，道次变形量为10%～15%，总变形量在95%以上，得到300μm～100μm的基带；800℃～850℃真空或氩气条件下退火3～5小时，然后在850℃～900℃氧气退火3～5小时，得到最终产品。本发明的复合基带具有较强机械强度，同时Ag表面获得{110}<110>织构，可作为用于沉积YBa2Cu3O7-δ高温超导膜的基带或Bi系带材包套材料。
The invention belongs to the field of high-temperature superconducting reinforced toughness materials. So far, no single stable {110}<110> biaxial texture has been formed on the surface of Ag alloy or Ag-Cu composite substrate strengthened substrate. The steps of this method are: melting Mg powder and Ag powder under the protection of argon to make Ag 0.90 Mg 0.10 or Ag 0.99 Mg 0.01 initial ingot and then rolling to 1-4mm thick; according to Ag foil-Cu foil-AgMg initial ingot -Cu foil-Ag foil or Ag foil-Cu foil-AgMg multi-layer ingot obtained by sequential cold pressing of the initial ingot, with a thickness of 5mm~13mm, of which the thickness of Ag foil is 3mm~8.5mm, and the thickness of Cu foil is 30μm~40μm; 800 ℃～850℃vacuum annealing for 3～5 hours; after annealing, cold rolling, the deformation of each pass is 10%～15%, the total deformation is more than 95%, and the base band of 300μm～100μm is obtained; 800℃～850℃vacuum or argon Annealing under air condition for 3 to 5 hours, and then oxygen annealing at 850°C to 900°C for 3 to 5 hours to obtain the final product. The composite base tape of the present invention has strong mechanical strength, and at the same time, the Ag surface obtains a {110}<110> texture, and can be used as a base tape for depositing a YBa 2 Cu 3 O 7-δ high temperature superconducting film or a Bi tie tape material sheath Material.
Description
Technical field
The present invention relates to a kind of reinforcement Ag base composite baseband preparation method, belong to high-temperature superconductor and strengthen the toughness material preparing technical field.
Background technology
S-generation superconducting material is but because the advantage of material itself, it is high irreversible line, low A.C. losses, the potential price advantage, be subjected to the attention of domestic and international government and R﹠D institution in recent years, and obtained significant progress, obtained the breakthrough on wire strip performance and the price, these will change into the advantage of suitability for industrialized production in not far future, show the commercial value that it is powerful; On the other hand, the Bi-2223PIT band technology of Ag jacket reaches its maturity, and has obtained preliminary application in some countries, and it is a kind of high temperature superconducting materia that can realize application in short-term.Silver is unique base band metal that does not need sealing coat when the preparation superconducting material, uses this material can simplify technology.But the physical strength of Ag is poor, if so can improve its physical strength by composite methods in actual applications, just it can be used the sheath material that on composite baseband, directly prepares high performance high temperature superconducting film or be used as the Bi-2223PIT band, thereby advance industrialized process.
Study group carries out the research of coating high-temp superconducting film to composite baseband both at home and abroad at present, some Ag alloys or Ag-Cu composite substrate have been studied the coating conductor that is used for biaxial texture, but do not form on the base band surface that these have been strengthened single stable 110}＜110〉biaxial texture, this has limited on base band directly deposition YBCO superconducting thin film.Therefore how to control the texture of compound money base base band, having higher physical strength simultaneously is the key point that practical application money base composite baseband prepares the YBCO superconducting film.
Summary of the invention
The composite baseband that the present invention obtained has strong physical strength, simultaneously the Ag surface obtain 110}＜110〉texture, can be used as and be used to deposit YBa
2Cu
3O
7-δThe base band of high temperature superconducting film or Bi frenulum material sheath material.
A kind of preparation method of reinforced biaxially textured Ag based compound substrate provided by the present invention is characterized in that it may further comprise the steps:
(1) with purity be Mg powder more than the 99.95wt%, purity is the fusion under the condition of argon shield of the above Ag powder of 99.95wt%, makes Ag
0.90Mg
0.10Or Ag
0.99Mg
0.01Initial ingot casting is thick to 1-4mm with initial ingot rolling;
(2) cold pressing according to the order of the initial ingot casting of Ag paper tinsel-Cu paper tinsel-AgMg-Cu paper tinsel-Ag paper tinsel and obtain the multilayer ingot casting, perhaps colding pressing according to the order of Ag paper tinsel-initial ingot casting of Cu paper tinsel-AgMg obtains the multilayer ingot casting; The thickness of multilayer ingot casting is 5mm～13mm, and wherein the purity of Ag paper tinsel is more than 99.9wt%, and thickness is 3mm～8.5mm, and the purity of Cu paper tinsel is more than 99.9wt%, and thickness is 30 μ m～40 μ m;
(3) with above-mentioned multilayer ingot casting 800 ℃～850 ℃ vacuum annealings 3～5 hours;
(4) the multilayer ingot casting after will annealing carries out cold rollingly, and pass deformation is 10%～15%, and total deformation is more than 95%, and obtaining thickness is the base band of 300 μ m～100 μ m;
(5) base band that obtains was annealed 3～5 hours under 800 ℃～850 ℃ vacuum conditions or argon shield, 850 ℃～900 ℃ oxygen annealings 3～5 hours, obtained final product then.
Technological core of the present invention is: adopt the Cu paper tinsel respectively skin and sandwich layer to be coupled together as a kind of effective means, its mesectoderm is the Ag layer, and sandwich layer is the AgMg alloy layer, and the Cu paper tinsel has guaranteed good binding between sandwich layer and the skin, does not have splitting between each layer; By the dispersion-strengthened action of MgO in base band, the hardness of base band is significantly improved; The Ag coating layer of Ag/AgMg composite baseband have 110}＜011〉orientation.
The key of this technology is the reaction that the pure Ag skin of performance can be avoided substrate and ybco film, has the effect of epitaxial base flaggy simultaneously, the effect that the performance sandwich layer has high physical strength.This technology will enlarge Ag as the range of application of a kind of base material in the high-temperature superconductor field.
Therefore, can prepare by above-mentioned technology and have 110}＜110 biaxial texture and money base composite baseband with higher mechanical strength.
Description of drawings
Composite baseband silver based belt section S EM (a) among Fig. 1: the embodiment 1, texture orientation distribution function (ODF) sectional view ( on base band surface
2=0 ° of cross section) (b), final base band (111) face utmost point figure (c);
Composite baseband silver based belt section S EM among Fig. 2: the embodiment 2;
Composite baseband silver based belt section S EM among Fig. 3: the embodiment 3;
Composite baseband silver based belt section S EM among Fig. 4: the embodiment 4.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further details.
Embodiment 1. is with the Ag of 4mm
0.90Mg
0.10Initial ingot casting, the thick purity of 8.5cm is the Ag paper tinsel of 99.95wt%, the thick purity of 30 μ m is the Cu paper tinsel of 99.99wt%, according to the series arrangement acquisition multilayered structure of Ag-Cu-AgMg, above-mentioned multilayer ingot casting is obtained the multilayer ingot casting of 13mm in 5 hours 800 ℃ of vacuum annealings; The multilayer ingot casting is cold rolling, and pass deformation is 10～15%, and total deflection obtains the base band of 100 μ m thickness greater than 95%.Base band is 800 ℃ of vacuum annealings 5 hours then, 880 ℃ of oxygen annealings 4 hours, obtains final product then.(Fig. 1 a) shows that Ag layer and AgMg layer have good binding to the section S EM of composite baseband.Among Fig. 1 b, recrystallization texture orientation distribution function (ODF) sectional view (
2=0 ° of cross section) the intensity areal concentration promptly represent base band formed 110}＜011〉texture, the utmost point figure FWHM of (111) face is 25 ° (Fig. 1 c).The test result of microhardness (FM-700 that Future-tech company produces) shows that this base band dimension formula microhardness value is 209kgmm
-2Be 4 times of pure Ag.
Embodiment 2. is with the Ag of 4mm
0.90Mg
0.10Initial ingot casting, the thick purity of 8.5cm is the Ag paper tinsel of 99.95wt%, the thick purity of 40 μ m is the Cu paper tinsel of 99.99wt%, according to the series arrangement acquisition multilayered structure of Ag-Cu-AgMg, above-mentioned multilayer ingot casting is obtained the multilayer ingot casting of 13mm in 3 hours 850 ℃ of vacuum annealings; The multilayer ingot casting is cold rolling, and pass deformation is 10～15%, and total deflection obtains the base band of 300 μ m thickness greater than 95%.Base band is 850 ℃ of vacuum annealings 3 hours then, 880 ℃ of oxygen annealings 4 hours, obtains final product then.Base band formed 110}＜011〉texture, dimension formula microhardness value reaches 158kgmm
-2The section S EM of composite baseband (Fig. 2) shows that Ag layer and AgMg layer have good binding.
Embodiment 3. is with the Ag of 1mm
0.99Mg
0.01Initial ingot casting, 3.5cm thick purity is the Ag paper tinsel of 99.95wt%, the thick purity of 30 μ m is the Cu paper tinsel of 99.99wt%, and the series arrangement acquisition multilayer ingot casting according to Ag paper tinsel-initial ingot casting of Cu paper tinsel-AgMg obtained 5mm multiwalled ingot casting with above-mentioned multilayer ingot casting in 4 hours 850 ℃ of vacuum annealings; The multilayer ingot casting is cold rolling, and pass deformation is 10～15%, and total deflection obtains the base band of 100 μ m thickness greater than 95%.Base band is 800 ℃ of vacuum annealings 4 hours then, 900 ℃ of oxygen annealings 3 hours, obtains final product then.Base band formed 110}＜011〉texture, dimension formula microhardness value reaches 100kgmm
-2The section S EM of composite baseband (Fig. 3) shows that Ag layer and AgMg layer have good binding.
Embodiment 4. is with the Ag of 3mm
0.99Mg
0.01Initial ingot casting, the thick purity of 3cm is the Ag paper tinsel of 99.95wt%, the thick purity of 30 μ m is the Cu paper tinsel of 99.99wt%, and the series arrangement acquisition multilayer ingot casting according to the initial ingot casting of Ag paper tinsel-Cu paper tinsel-AgMg-Cu paper tinsel-Ag paper tinsel obtained 9mm multiwalled ingot casting with above-mentioned multilayer ingot casting in 4 hours 800 ℃ of vacuum annealings; The multilayer ingot casting is cold rolling, and pass deformation is 10～15%, and total deflection obtains the base band of 120 μ m thickness greater than 95%.Base band is 800 ℃ of ammonias annealing 4 hours then, 850 ℃ of oxygen annealings 5 hours, obtains final product then.Base band formed 110}＜011〉texture, dimension formula microhardness value reaches 130kgmm
-2The section S EM of composite baseband (Fig. 4) shows that Ag layer and AgMg layer have good binding.
Claims (1)
1, a kind of preparation method who strengthens biaxial texture Ag/AgMg composite baseband is characterized in that it may further comprise the steps:
(1) with purity be Mg powder more than the 99.95wt%, purity is the fusion under the condition of argon shield of the above Ag powder of 99.95wt%, makes Ag
0.90Mg
0.10Or Ag
0.99Mg
0.01Initial ingot casting is thick to 1-4mm with initial ingot rolling;
(2) cold pressing according to the order of the initial ingot casting of Ag paper tinsel-Cu paper tinsel-AgMg-Cu paper tinsel-Ag paper tinsel and obtain the multilayer ingot casting, perhaps colding pressing according to the order of Ag paper tinsel-initial ingot casting of Cu paper tinsel-AgMg obtains the multilayer ingot casting; The thickness of multilayer ingot casting is 5mm～13mm, and wherein the purity of Ag paper tinsel is more than 99.9wt%, and thickness is 3mm～8.5mm, and the purity of Cu paper tinsel is more than 99.9wt%, and thickness is 30 μ m～40 μ m;
(3) with above-mentioned multilayer ingot casting 800 ℃～850 ℃ vacuum annealings 3～5 hours;
(4) the multilayer ingot casting after will annealing carries out cold rollingly, and pass deformation is 10%～15%, and total deformation is more than 95%, and obtaining thickness is the base band of 300 μ m～100 μ m;
(5) base band that obtains was annealed 3～5 hours under 800 ℃～850 ℃ vacuum conditions or argon shield, 850 ℃～900 ℃ oxygen annealings 3～5 hours, obtained final product then.
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|---|---|---|---|
| CNB200510115767XA CN1329538C (en) | 2005-11-11 | 2005-11-11 | Method for making enforced double-axis woven Ag/AgMg composite base band |
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|---|---|---|---|
| CNB200510115767XA CN1329538C (en) | 2005-11-11 | 2005-11-11 | Method for making enforced double-axis woven Ag/AgMg composite base band |
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| CN1329538C true CN1329538C (en) | 2007-08-01 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6114287A (en) * | 1998-09-30 | 2000-09-05 | Ut-Battelle, Llc | Method of deforming a biaxially textured buffer layer on a textured metallic substrate and articles therefrom |
| US6790253B2 (en) * | 2000-05-15 | 2004-09-14 | Ut-Battelle, Llc | Biaxially textured articles formed by powder metallurgy |
| CN1546717A (en) * | 2003-12-05 | 2004-11-17 | 北京工业大学 | Preparation method of biaxially textured polycrystalline silver base tape |
-
2005
- 2005-11-11 CN CNB200510115767XA patent/CN1329538C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6114287A (en) * | 1998-09-30 | 2000-09-05 | Ut-Battelle, Llc | Method of deforming a biaxially textured buffer layer on a textured metallic substrate and articles therefrom |
| US6790253B2 (en) * | 2000-05-15 | 2004-09-14 | Ut-Battelle, Llc | Biaxially textured articles formed by powder metallurgy |
| CN1546717A (en) * | 2003-12-05 | 2004-11-17 | 北京工业大学 | Preparation method of biaxially textured polycrystalline silver base tape |
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|---|---|
| CN1752243A (en) | 2006-03-29 |
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Effective date of registration: 20170717 Address after: Support 530000 Nanning Road, the Guangxi Zhuang Autonomous Region No. 32 South Lake Garden 4-2004 Patentee after: Guo Fuliang Address before: 100022 No. 100 Chaoyang District Ping Tian Park, Beijing Patentee before: Beijing University of Technology |
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Effective date of registration: 20221018 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 |