CN112456804B - Magnetic nanocrystalline glass solder, preparation method thereof and method for connecting ferrite by applying magnetic nanocrystalline glass solder - Google Patents
Magnetic nanocrystalline glass solder, preparation method thereof and method for connecting ferrite by applying magnetic nanocrystalline glass solder Download PDFInfo
- Publication number
- CN112456804B CN112456804B CN202011453520.XA CN202011453520A CN112456804B CN 112456804 B CN112456804 B CN 112456804B CN 202011453520 A CN202011453520 A CN 202011453520A CN 112456804 B CN112456804 B CN 112456804B
- Authority
- CN
- China
- Prior art keywords
- welded
- glass solder
- ferrite
- magnetic nanocrystalline
- magnetic
- 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.)
- Expired - Fee Related
Links
- 229910000679 solder Inorganic materials 0.000 title claims abstract description 53
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000011521 glass Substances 0.000 claims abstract description 35
- 238000005219 brazing Methods 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000000945 filler Substances 0.000 claims abstract description 28
- 239000010953 base metal Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 30
- 238000005498 polishing Methods 0.000 claims description 29
- 238000005253 cladding Methods 0.000 claims description 14
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 11
- 229910003460 diamond Inorganic materials 0.000 claims description 10
- 239000010432 diamond Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 7
- 229910002518 CoFe2O4 Inorganic materials 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 2
- 238000005304 joining Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 14
- 238000011161 development Methods 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- 229910003321 CoFe Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/24—Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/003—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/10—Glass interlayers, e.g. frit or flux
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Magnetic Heads (AREA)
- Glass Compositions (AREA)
Abstract
The invention relates to a magnetic nanocrystalline glass solder, a preparation method thereof and a method for connecting ferrite by applying the magnetic nanocrystalline glass solder, and belongs to the technical field of ferrite welding. The component of the glass solder provided by the invention is xBi2O3‑yCoO‑yFe2O3‑10B2O3(mol.%, x is 30-40, y is 25-35), and the physical and chemical properties of the glass solder are close to those of ferrite. And this application adopts magnetic brazing filler metal piece and the base metal after low temperature glass premelting to carry out compound connection, when guaranteeing the reliable connection of ferrite and the magnetic property of welding seam, realizes the structural stability and the performance stability of microwave ferrite device long-term service. The invention not only can realize the unification of the electromagnetic performance of the glass welding seam and the ferrite parent metal, but also accords with the green concept of energy-saving sustainable development, and has important application value for the connection of the ferrite and the processing of microwave devices.
Description
Technical Field
The invention relates to a magnetic nanocrystalline glass solder, a preparation method thereof and a method for connecting ferrite by applying the magnetic nanocrystalline glass solder, and belongs to the technical field of ferrite welding.
Background
As a magnetic material, the ferrite is widely applied to the fields of high frequency and microwave, and with the development of microelectronic technology and the miniaturization of microwave devices, higher requirements are put forward on the connection of ferrite components. On one hand, the welding seam and the base material have similar dielectric properties and lower dielectric loss, and the magnetic property of the welding seam is similar to that of the ferrite base material; on the other hand, the stability and good mechanical property of the long-term service of the ferrite device are ensured. The traditional amorphous glass brazing filler metal cannot meet the magnetic requirement of a welding seam because the amorphous glass brazing filler metal is not magnetic, and the magnetic phase generated by the magnetic glass brazing filler metal after heat treatment can introduce magnetism, so that the amorphous glass brazing filler metal becomes the best choice for connecting ferrite. However, the high softening temperature of magnetic glass requires a high bonding temperature, which is contrary to the sustainable development concept of energy conservation. Therefore, the magnetic nanocrystalline glass solder, the preparation method thereof and the method for connecting the ferrite by applying the magnetic nanocrystalline glass solder are provided, so that the magnetic nanocrystalline glass solder is connected with the ferrite, the welding seam has good mechanical property and long-term service stability, and simultaneously, the magnetic property close to that of a base material is necessary.
Disclosure of Invention
The invention aims to solve the technical problems and provides a magnetic nanocrystalline glass solder, a preparation method thereof and a method for connecting ferrite by applying the magnetic nanocrystalline glass solder.
The technical scheme of the invention is as follows:
a magnetic nanocrystalline glass solder is prepared from Bi2O3、CoO、Fe2O3And B2O3Composition of Bi2O3、CoO、Fe2O3And B2O3The mole percentage of (A) is as follows: (30-40): (25-35): (25-35): 10。
The preparation method of the magnetic nanocrystalline glass solder comprises the following specific steps: will analytically pure Bi2O3、CoO、Fe2O3And H3BO3Melting and pouring the mixture into a stainless steel grinding tool, preserving heat, annealing after heat preservation, and cooling along with a furnace to obtain the cylindrical magnetic nanocrystalline glass solder.
Furthermore, the melting temperature is 1150-1400 ℃, and the heat preservation time is 1 h.
Further, the annealing treatment conditions are as follows: the temperature is 400-450 ℃, and the heat preservation time is 2 h.
The method for connecting the ferrite by using the magnetic nanocrystalline glass solder comprises the following steps:
cutting the magnetic nanocrystalline glass solder into solder pieces with the thickness of 1mm, and grinding and polishing the solder pieces for later use;
cutting a ferrite YIG cylindrical base material with the diameter of 9mm into a base material to be welded with the thickness of 2mm, polishing the surface of the base material to be welded to be flat and polished, and then pretreating the surface of the base material to be welded to pre-melt a low-temperature glass cladding layer on the surface of the base material to be welded;
step three, assembling the 2 to-be-welded base metals processed in the step two and the brazing filler metal sheets processed in the step one into a sandwich structure, wherein the brazing filler metal sheets are positioned among the 2 to-be-welded base metals, and the surfaces of the brazing filler metal sheets are in contact with and aligned with the surfaces of the to-be-welded base metals to obtain to-be-welded test pieces;
step four, placing the test piece to be welded in a resistance furnace, heating at the speed of 5-10 ℃/min in the air atmosphere, and preserving heat for 1-2 hours at the temperature of 700-750 ℃ to ensure that the glass solder nucleates, crystallizes and precipitates magnetic nanocrystalline CoFe2O4And completing the ferrite connection.
Further, the specific operation process of the grinding and polishing treatment of the brazing filler metal sheet in the step one is as follows:
and sequentially grinding the brazing filler metal sheet with the thickness of 1mm by using #600, #800 and #1200 abrasive paper, and then polishing by using a diamond polishing agent with the granularity of 1 mu m at the rotating speed of 500-600 r/min to obtain the brazing filler metal sheet with the thickness of 500 mu m.
Further, the concrete operation process of polishing and flattening the surface of the base material to be welded in the step two is as follows:
and sequentially polishing the surface of the base material to be welded by using #600, #800 and #1200 abrasive paper, and then polishing by using a diamond polishing agent with the particle size of 1 mu m at the rotating speed of 500-600 r/min.
Further, in the second step, the surface of the base material to be welded is pretreated, so that the specific operation process of pre-melting the low-temperature glass cladding layer on the surface of the base material to be welded is as follows:
bi prepared by adopting a melting cold quenching method and having a molar mass ratio of 1:12O3-B2O3And coating the glass powder on the surface of the base metal to be welded, cladding the surface of the base metal to be welded at 650-700 ℃, and then cooling along with the furnace to obtain a low-temperature glass cladding layer with the thickness of 150-200 mu m.
Further, in the fourth step, the mixture is heated at the speed of 6 ℃/min and is kept at 700 ℃ for 1 h.
Further, in the fourth step, the mixture is heated at the speed of 6 ℃/min and is kept at 750 ℃ for 1 h.
The invention has the following beneficial effects: the invention adopts the magnetic brazing sheet to perform composite connection with the base material pre-melted by the low-temperature glass, can realize the unification of the electromagnetic properties of the glass welding seam and the ferrite base material, conforms to the green concept of energy conservation and sustainable development, and has important application value for the connection of the ferrite and the processing of microwave devices. The ferrite connection method of the invention leads the glass solder to be fully nucleated and crystallized, and separates out magnetic nanocrystalline CoFe2O4And the ferrite joint with good electromagnetic performance and mechanical performance of the welding seam is formed. In addition, the invention also has the following effects:
(1) the method for compositely connecting the ferrite by the low-temperature glass cladding layer effectively reduces the connection temperature of the ferrite;
(2) the magnetic nanocrystalline glass for ferrite connection can realize good mechanical property of a glass substrate, thereby ensuring the service stability of a welding line;
(3) the invention adopts magnetic nanocrystalline glass for connection, the electromagnetic performance of the magnetic glass is similar to that of ferrite, and the magnetic glass can be applied in the microwave field and is consistent with the application field of the ferrite.
(4) The saturation magnetization intensity of the magnetic glass brazing filler metal prepared by the method is about 8-18 emu/g, and the shear strength of the YIG connecting joint obtained by connecting the magnetic glass brazing filler metal is 85-100 MPa.
Drawings
FIG. 1 is a YIG ferrite joint structure morphology of a glass brazing sheet braze joint at magnification of 2500;
FIG. 2 is a YIG ferrite joint structure morphology of a glass brazing sheet braze joint at magnification of 5000.
Detailed Description
The experimental procedures used in the following examples are conventional unless otherwise specified. The materials, reagents, methods and apparatus used, unless otherwise specified, are conventional in the art and are commercially available to those skilled in the art.
Embodiment mode 1:
first, Bi to be analytically pure2O3、CoO、Fe2O3And H3BO3Mixing the components according to the mol percentage of 40:25:25:10, melting and pouring the mixture in a stainless steel grinding tool at 1200 ℃, preserving heat for 1h, annealing at 450 ℃ for 2h after the heat preservation is finished, and then cooling along with a furnace to obtain the cylindrical magnetic nanocrystalline glass solder.
And secondly, cutting the magnetic nanocrystalline glass solder into solder pieces with the thickness of 1mm by adopting a diamond wire saw. And then sequentially polishing the brazing filler metal sheet with the thickness of 1mm by using #600, #800 and #1200 abrasive paper, and then polishing by using a diamond polishing agent with the granularity of 1 mu m at the rotating speed of 500-600 r/min to obtain the brazing filler metal sheet with the thickness of 500 mu m.
Cutting a YIG cylindrical base material with the diameter of 9mm into a sample with the thickness of 2mm, sequentially polishing the surface of the base material to be welded by using #600, #800 and #1200 abrasive paper, then polishing by using a diamond polishing agent with the particle size of 1 mu m at the rotating speed of 500-600 r/min, and then pretreating the surface of the base material to be welded to pre-melt the surface of the base material to be welded with low-temperature glass claddingThe specific operation process is as follows: bi prepared by adopting a melting cold quenching method and having a molar mass ratio of 1:12O3-B2O3And coating the glass powder on the surface of the base metal to be welded, cladding the surface of the base metal to be welded at 650-700 ℃, and then cooling along with the furnace to obtain a low-temperature glass cladding layer with the thickness of 150-200 mu m.
Fourthly, assembling the processed 2 to-be-welded base metals and the processed brazing filler metal sheets into a sandwich structure, wherein the brazing filler metal sheets are positioned among the 2 to-be-welded base metals, and the surfaces of the brazing filler metal sheets are in contact with and aligned with the surfaces of the to-be-welded base metals to obtain to-be-welded test pieces.
Fifthly, placing the test piece to be welded in a resistance furnace, heating at the speed of 6 ℃/min in the air atmosphere, and preserving heat for 1h at 700 ℃ to ensure that the glass solder nucleates, crystallizes and separates out magnetic nanocrystalline CoFe2O4And the ferrite joint with good electromagnetic performance and mechanical performance of the welding seam is formed.
The saturation magnetization intensity of the magnetic nanocrystalline glass solder prepared by the embodiment is about 9emu/g, and the intensity of an yttrium ferrite joint connected by the glass solder can reach 86 MPa.
Embodiment mode 2:
first, Bi to be analytically pure2O3、CoO、Fe2O3And H3BO3Mixing the components according to the mol percentage of 30:30:30:10, melting and casting the mixture in a stainless steel grinding tool at 1200 ℃, preserving heat for 1h, annealing the mixture at 450 ℃ for 2h after the heat preservation is finished, and then cooling the mixture along with a furnace to obtain the cylindrical magnetic nanocrystalline glass solder.
And secondly, cutting the magnetic nanocrystalline glass solder into solder pieces with the thickness of 1mm by adopting a diamond wire saw. And then sequentially polishing the brazing filler metal sheet with the thickness of 1mm by using #600, #800 and #1200 abrasive paper, and then polishing by using a diamond polishing agent with the granularity of 1 mu m at the rotating speed of 500-600 r/min to obtain the brazing filler metal sheet with the thickness of 500 mu m.
Thirdly, cutting a YIG cylindrical base material with the diameter of 9mm into a sample with the thickness of 2mm, polishing the surface of the base material to be welded by using abrasive paper of #600, #800 and #1200 in sequence, and then adopting a diamond polishing agent with the particle size of 1 mu m at a rotating speedPolishing under the condition of 500-600 r/min, and then pretreating the surface of the base metal to be welded to pre-melt the low-temperature glass cladding layer on the surface of the base metal to be welded, wherein the specific operation process is as follows: bi prepared by adopting a melting cold quenching method and having a molar mass ratio of 1:12O3-B2O3And coating the glass powder on the surface of the base metal to be welded, cladding the surface of the base metal to be welded at 650-700 ℃, and then cooling along with the furnace to obtain a low-temperature glass cladding layer with the thickness of 150-200 mu m.
Fourthly, assembling the processed 2 to-be-welded base metals and the processed brazing filler metal sheets into a sandwich structure, wherein the brazing filler metal sheets are positioned among the 2 to-be-welded base metals, and the surfaces of the brazing filler metal sheets are in contact with and aligned with the surfaces of the to-be-welded base metals to obtain to-be-welded test pieces.
Fifthly, placing the test piece to be welded in a resistance furnace, heating at the speed of 6 ℃/min in the air atmosphere, and preserving heat for 1h at the temperature of 750 ℃ to ensure that the glass solder nucleates, crystallizes and separates out magnetic nanocrystalline CoFe2O4And the ferrite joint with good electromagnetic performance and mechanical performance of the welding seam is formed.
The saturation magnetization of the magnetic nanocrystalline glass solder prepared by the embodiment is about 13.5emu/g, and the strength of an yttrium ferrite joint connected by the glass solder can reach 92 MPa.
The YIG ferrite joint connected with the magnetic nanocrystalline glass solder prepared by the embodiment is subjected to structural morphology characterization, and the result is shown in figures 1 and 2, wherein the width of the weld joint is about 40 mu m, and CoFe is uniformly and dispersedly distributed in the glass weld joint2O4Nanocrystalline, uniformly dense CoFe2O4The nanocrystalline enables the mechanical property and the electromagnetic property of a glass welding seam to be more uniform and stable, realizes the unification of the joint structure and the function of the ferrite, and has potential application value for the structural and functional integration of a structural microwave ferrite device.
Claims (10)
1. The magnetic nanocrystalline glass solder is characterized by consisting of Bi2O3、CoO、Fe2O3And B2O3Composition of Bi2O3、CoO、Fe2O3And B2O3The mole percentage of (A) is as follows: (30-40): (25-35): (25-35): 10.
2. the method for preparing the magnetic nanocrystalline glass solder according to claim 1, is characterized in that the preparation method specifically comprises the following steps: will analytically pure Bi2O3、CoO、Fe2O3And H3BO3Melting and pouring the mixture into a stainless steel mold, preserving heat, annealing after the heat preservation is finished, and then cooling along with a furnace to obtain the cylindrical magnetic nanocrystalline glass solder.
3. The preparation method of the magnetic nanocrystalline glass solder according to claim 2, characterized in that the melting temperature is 1150-1400 ℃, and the holding time is 1 h.
4. The method for preparing a magnetic nanocrystalline glass solder according to claim 2 or 3, characterized in that the annealing conditions are as follows: the temperature is 400-450 ℃, and the heat preservation time is 2 h.
5. A method of joining ferrites using the magnetic nanocrystalline glass solder according to claim 1, comprising the steps of:
cutting the magnetic nanocrystalline glass solder into solder pieces with the thickness of 1mm, and grinding and polishing the solder pieces for later use;
cutting the cylindrical ferrite base material into a base material to be welded with the thickness of 2mm, polishing the surface of the base material to be welded to be flat and polished, and then pretreating the surface of the base material to be welded to pre-melt a low-temperature glass cladding layer on the surface of the base material to be welded;
step three, assembling the 2 to-be-welded base metals processed in the step two and the brazing filler metal sheets processed in the step one into a sandwich structure, wherein the brazing filler metal sheets are positioned among the 2 to-be-welded base metals, and the surfaces of the brazing filler metal sheets are in contact with and aligned with the surfaces of the to-be-welded base metals to obtain to-be-welded test pieces;
step four, placing the test piece to be welded in a resistance furnace in the air atmosphere toHeating at the speed of 5-10 ℃/min, and preserving heat for 1-2 hours at the temperature of 700-750 ℃ to ensure that the glass solder nucleates, crystallizes and precipitates magnetic nanocrystalline CoFe2O4And completing the ferrite connection.
6. The method for connecting ferrite by using magnetic nanocrystalline glass solder according to claim 5, wherein the specific operation process of the grinding and polishing treatment on the solder sheet in the first step is as follows:
and sequentially grinding the brazing filler metal sheet with the thickness of 1mm by using #600, #800 and #1200 abrasive paper, and then polishing by using a diamond polishing agent with the granularity of 1 mu m at the rotating speed of 500-600 r/min to obtain the brazing filler metal sheet with the thickness of 500 mu m.
7. The method for connecting ferrite by using magnetic nanocrystalline glass solder according to claim 5, wherein the specific operation process of polishing and flattening the surface of the base material to be welded in the second step is as follows:
and sequentially polishing the surface of the base material to be welded by using #600, #800 and #1200 abrasive paper, and then polishing by using a diamond polishing agent with the particle size of 1 mu m at the rotating speed of 500-600 r/min.
8. The method for connecting ferrites using magnetic nanocrystalline glass solder according to claim 5, wherein the second step of pre-treating the surface of the base material to be welded to pre-melt the low temperature glass cladding layer on the surface of the base material to be welded comprises the following specific steps:
bi prepared by adopting a melting cold quenching method and having a molar mass ratio of 1:12O3-B2O3And coating the glass powder on the surface of the base metal to be welded, cladding the surface of the base metal to be welded at 650-700 ℃, and then cooling along with the furnace to obtain a low-temperature glass cladding layer with the thickness of 150-200 mu m.
9. The method for connecting ferrites using magnetic nanocrystalline glass solder according to claim 5, wherein the heating is performed at 6 ℃/min in the fourth step, and the temperature is maintained at 700 ℃ for 1 h.
10. The method for connecting ferrites using magnetic nanocrystalline glass solder according to claim 5, wherein the heating is performed at a rate of 6 ℃/min in the fourth step, and the temperature is maintained at 750 ℃ for 1 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011453520.XA CN112456804B (en) | 2020-12-11 | 2020-12-11 | Magnetic nanocrystalline glass solder, preparation method thereof and method for connecting ferrite by applying magnetic nanocrystalline glass solder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011453520.XA CN112456804B (en) | 2020-12-11 | 2020-12-11 | Magnetic nanocrystalline glass solder, preparation method thereof and method for connecting ferrite by applying magnetic nanocrystalline glass solder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112456804A CN112456804A (en) | 2021-03-09 |
| CN112456804B true CN112456804B (en) | 2022-04-05 |
Family
ID=74800901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011453520.XA Expired - Fee Related CN112456804B (en) | 2020-12-11 | 2020-12-11 | Magnetic nanocrystalline glass solder, preparation method thereof and method for connecting ferrite by applying magnetic nanocrystalline glass solder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112456804B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115925436B (en) * | 2022-12-26 | 2023-09-22 | 哈尔滨工业大学 | Method for connecting ferrite and microwave dielectric ceramic by using low-melting glass soldering paste |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3233908B2 (en) * | 1998-10-30 | 2001-12-04 | 株式会社丸島アクアシステム | Dust removal device |
| US20040018930A1 (en) * | 2002-07-25 | 2004-01-29 | Kenneth Snowdon | Sealing glass composition |
| CN105149890A (en) * | 2015-10-19 | 2015-12-16 | 哈尔滨工业大学 | Method for Li-series ferrite connection through compound glass solder |
| CN105418131A (en) * | 2015-12-30 | 2016-03-23 | 哈尔滨工业大学 | Alumina ceramic low temperature brazing connection method |
| CN108422126A (en) * | 2018-03-20 | 2018-08-21 | 哈尔滨工业大学 | A kind of devitrified glass solder and preparation method thereof and connect ferritic method |
| CN110156449A (en) * | 2019-05-16 | 2019-08-23 | 深圳顺络电子股份有限公司 | A kind of high reliability Ferrite Material and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5571645A (en) * | 1978-11-20 | 1980-05-29 | Tdk Corp | Glass-fusion-bonded body of ferrite moldings |
| JPS60186435A (en) * | 1984-03-01 | 1985-09-21 | Fuji Elelctrochem Co Ltd | Glass composition for ferrite adhesion |
| JPS61247638A (en) * | 1985-04-23 | 1986-11-04 | Seiko Epson Corp | Glass for binding ferrite |
| JPH03233908A (en) * | 1990-02-08 | 1991-10-17 | Matsushita Electric Ind Co Ltd | Ferrite magnetic substance and its manufacture |
| JPH0692679A (en) * | 1992-09-14 | 1994-04-05 | Sumitomo Special Metals Co Ltd | Glass material having soft magnetism |
-
2020
- 2020-12-11 CN CN202011453520.XA patent/CN112456804B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3233908B2 (en) * | 1998-10-30 | 2001-12-04 | 株式会社丸島アクアシステム | Dust removal device |
| US20040018930A1 (en) * | 2002-07-25 | 2004-01-29 | Kenneth Snowdon | Sealing glass composition |
| CN105149890A (en) * | 2015-10-19 | 2015-12-16 | 哈尔滨工业大学 | Method for Li-series ferrite connection through compound glass solder |
| CN105418131A (en) * | 2015-12-30 | 2016-03-23 | 哈尔滨工业大学 | Alumina ceramic low temperature brazing connection method |
| CN108422126A (en) * | 2018-03-20 | 2018-08-21 | 哈尔滨工业大学 | A kind of devitrified glass solder and preparation method thereof and connect ferritic method |
| CN110156449A (en) * | 2019-05-16 | 2019-08-23 | 深圳顺络电子股份有限公司 | A kind of high reliability Ferrite Material and preparation method thereof |
Non-Patent Citations (5)
| Title |
|---|
| "Magnetic-assisted self-assembly of rectangular-shaped parts";Wang DA;<SENSORS AND ACTUATORS A-PHYSICAL>;20090429;第151卷(第2期);第195-202页 * |
| "Bi2O3–ZnO–SiO2–B2O3玻璃钎料连接铁氧体/钛酸镁陶瓷接头性能";林盼盼;《硅酸盐学报》;20170930;第45卷(第9期);第1329-1334页 * |
| "铋酸盐玻璃钎料连接钛酸镁陶瓷/YIG铁氧体工艺及机理研究";赵轩;《中国优秀博硕士学位论文全文数据库(硕士) 工程科技Ⅰ辑》;20180415(第4期);第B022-447页 * |
| "陶瓷连接技术及其应用";石宇皓;《精密成形工程》;20180131;第10卷(第1期);第10-22页 * |
| Bi_2O_3-B_2O_3-SiO_2玻璃钎料连接Li-Ti铁氧体接头的电磁性能分析;林盼盼等;《焊接学报》;20170925;第第38卷卷(第09期);第9-14页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112456804A (en) | 2021-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110028246B (en) | Glass solder and preparation method and application thereof | |
| CN108473819B (en) | Adhesive coating composition for electrical steel sheet, electrical steel sheet having adhesive coating formed thereon, electrical steel sheet product, and method for manufacturing the same | |
| CN110330356B (en) | Silicon carbide ceramic brazing connection method | |
| CN112456804B (en) | Magnetic nanocrystalline glass solder, preparation method thereof and method for connecting ferrite by applying magnetic nanocrystalline glass solder | |
| CN108422126B (en) | Microcrystalline glass brazing filler metal, preparation method thereof and method for connecting ferrite | |
| CN108907385B (en) | Method for brazing sapphire at low temperature | |
| CN107275028A (en) | The interface regulation and control method of grain boundary decision neodymium iron boron magnetic body | |
| EP1083580B1 (en) | Process for producing amorphous magnetically soft body | |
| CN108406029B (en) | Titanium-based composite brazing filler metal and preparation and brazing methods thereof | |
| CN115770922A (en) | Brazing method of graphite target | |
| CN105728981A (en) | Brazing filler metal for welding Si3N4 ceramic-stainless steel and brazing method thereof | |
| CN115101322A (en) | Preparation method of composite magnetic powder core | |
| CN112349473B (en) | Nickel-zinc ferrite material and preparation method and application thereof | |
| CN112719693B (en) | Low-temperature magnetic glass solder, preparation method thereof and method for connecting ferrite by using low-temperature magnetic glass solder | |
| CN109590560A (en) | A kind of large area Ferromagnetic target welding method and device | |
| CN108465891B (en) | Method for connecting yttrium iron garnet ferrite ceramic and copper | |
| CN114315401B (en) | Transient liquid phase connection method of alumina ceramics | |
| CN113072371B (en) | High-saturation-magnetization low-temperature sintered LiZn ferrite material and preparation method thereof | |
| CN113910116B (en) | Preparation method of soluble inorganic liquid binder for ceramic grinding wheel forming | |
| CN113084176A (en) | Self-supporting diamond film/Cu composite heat sink material and preparation method thereof | |
| CN117020344A (en) | Method for connecting ceramic and Nb by using composite interlayer | |
| CN104599807A (en) | Method for manufacturing manganese zinc ferrite film through sol-gel method | |
| CN113072389B (en) | Low-temperature connection method of oxide ceramics | |
| CN113470963B (en) | Method for preparing MnZn ferrite U-shaped magnetic core | |
| CN115925436B (en) | Method for connecting ferrite and microwave dielectric ceramic by using low-melting glass soldering paste |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220405 |