CN111039692A - Diffusion fiber welding method for stainless steel and ceramic sheets - Google Patents
Diffusion fiber welding method for stainless steel and ceramic sheets Download PDFInfo
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- CN111039692A CN111039692A CN201911269974.9A CN201911269974A CN111039692A CN 111039692 A CN111039692 A CN 111039692A CN 201911269974 A CN201911269974 A CN 201911269974A CN 111039692 A CN111039692 A CN 111039692A
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- stainless steel
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- 20x60mm
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- 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
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
- C04B37/021—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles in a direct manner, e.g. direct copper bonding [DCB]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- 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
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/52—Pre-treatment of the joining surfaces, e.g. cleaning, machining
-
- 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
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/52—Pre-treatment of the joining surfaces, e.g. cleaning, machining
- C04B2237/525—Pre-treatment of the joining surfaces, e.g. cleaning, machining by heating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses the technical field of a method for connecting stainless steel and a ceramic sheet, and particularly discloses a method for diffusion fiber welding of stainless steel and a ceramic sheet Long service life and uneasy falling off.
Description
Technical Field
The invention discloses the technical field of a connecting method of stainless steel and a ceramic sheet, and particularly discloses a diffusion fiber welding method of stainless steel and a ceramic sheet.
Background
The stainless steel contains chromium alloy elements, and the corrosion resistance of the stainless steel is increased along with the increase of the chromium content. After the chromium reacts with oxygen in the air, an oxide film-Cr 2O3 is formed on the surface of the material, Cr2O3 is stable and compact, a parent metal can be isolated from the air, the continuous oxidation is avoided, and the surface gloss is kept, generally, the chromium content of stainless steel is more than 12% but less than 30%, the chromium can resist the corrosion of high-temperature oxidation, nitric acid, sulfurous acid gas, high-temperature high-pressure hydrogen and the like, the 316 stainless steel is added with molybdenum elements, the depth of a hardening layer, the high-temperature strength, the high-temperature hardness, the creep strength and the corrosion resistance are enhanced, and the stainless steel is mainly applied to the food industry, the medical treatment and other;
the ceramic flakes have good mechanical, optical and thermal properties. (1) Mechanical properties: high hardness, abrasion resistance, second only to diamond, Mohs hardness of 9; (2) optical properties: the capability of enhancing optical effect under certain conditions, good light transmittance and high infrared transmittance; (3) thermal properties: the dielectric property is stable at high temperature, and the thermal conductivity is good; (4) radiation stability, high melting point, and certain stability at high temperature, wherein the melting point is 2030 ℃; (5) the ceramic sheet is not corroded by water, acid and alkali generally, can be corroded by hydrosulfuric acid, phosphoric acid and melted potassium hydroxide only at a higher temperature (300 ℃), has excellent insulating property, is an ideal material of a single crystal semiconductor, and can be used for manufacturing substrates of LEDs, mobile phone screens, aviation windows, observation glass windows of scientific equipment and the like;
the bonding of ceramics and metals is of great significance for industrial application, and ceramics have excellent physical, chemical and mechanical properties, which are widely applied in the fields of electronics, aviation, nuclear energy, automobiles, cutting tools and biomaterials.
Disclosure of Invention
In view of the above, the present invention is directed to solving the problems and deficiencies of the prior art, and provides a diffusion bonding method for stainless steel and ceramic sheets, which does not require solder, has high bonding strength, is not easy to fall off, and has long service life.
In order to solve the technical problems, the technical scheme of the invention is as follows: a diffusion fiber welding method of stainless steel and ceramic sheets comprises the following steps:
(1) preparing raw materials, namely respectively cutting stainless steel and ceramic sheets by using a diamond cutting machine, wherein the rotating speed of the diamond cutting machine is set to be 600 rpm-800 rpm, and obtaining 20x60mm stainless steel with the thickness of 2mm and 20x20mm ceramic sheets with the thickness of 0.8 mm;
(2) rolling, namely performing cold rolling on the 20x60mm stainless steel with the thickness of 2mm obtained in the step (1) by using a cold rolling machine to obtain 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm, wherein the 20x60mm stainless steel with the thickness of 2mm is subjected to cold rolling to obtain 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm;
(3) performing primary oscillation cleaning, namely pouring acetone into the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm obtained in the step (2), and then putting the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm into an ultrasonic cleaning machine to perform oscillation cleaning on surface oil stains to obtain the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm for removing the oil stains;
(4) grinding the 20x60mm stainless steel with the oil stain removal thickness of 0.8 mm-1.5 mm obtained in the step (3), and grinding the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm by using sic sand paper of a pneumatic disc sand machine, wherein the mesh number of the sic sand paper is 800 meshes, so as to obtain the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm after grinding;
(5) performing secondary oscillation cleaning, namely pouring acetone into the ground 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm obtained in the step (4) into an ultrasonic cleaning machine, and then putting the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm into the ultrasonic cleaning machine to perform oscillation cleaning on the fine metal particles on the surface to obtain the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm and the particles removed;
(6) lapping, namely fixing the 20x60mm stainless steel with the particle-removed thickness of 0.8 mm-1.5 mm obtained in the step (5) and the 20x20mm ceramic sheet with the thickness of 0.8mm obtained in the step (1) by using a clamp, and then fixing the stainless steel and the ceramic sheet together by using a digital display torque wrench through screws, wherein the torque value of the digital display torque wrench is 5n/m, so as to obtain a to-be-lapped product of the stainless steel and the ceramic sheet;
(7) performing first vacuum heat treatment, namely performing vacuum heat treatment on the to-be-treated product of the stainless steel and the ceramic sheets which are lapped together and obtained in the step (6) by using a vacuum heat treatment furnace, wherein the pressure of the vacuum heat treatment furnace is set to be 10-7torr, temperature is set to 600 ℃, and vacuum heat treatment is carried outThe stainless steel and the ceramic sheets are overlapped together to be produced;
(8) and (3) second vacuum heat treatment: carrying out vacuum heat treatment on the stainless steel and ceramic thin sheet to-be-treated product which is obtained in the step (7) and is lapped together after the vacuum heat treatment by using a vacuum heat treatment furnace, wherein the pressure of the vacuum heat treatment furnace is set to be 10-5And (5) setting the temperature of the torr to be 800 ℃, keeping the temperature constant for 5-15 minutes, and taking out the torr after the furnace is cooled to obtain a finished product.
Preferably, the amount of acetone added in the first shaking cleaning in the step (3) is 100 ml.
Preferably, the amount of acetone added in the second shaking and washing in the step (5) is 70 ml.
Compared with the prior art, the invention has the following beneficial technical effects: the invention adopts the first vibration cleaning step procedure to clean oil stains on the surface of the stainless steel, then uses the grinding step procedure to grind the fineness of the surface of the stainless steel to make the surface smooth, and then uses the second vibration cleaning step procedure to clean fine metal particles existing in the previous grinding step procedure to make the surface bright, finally uses a clamp to fix in the lapping step procedure, then uses a digital display torque wrench to fix the stainless steel and the ceramic sheet together by screws, and uses the first vacuum heat treatment step procedure and the second vacuum heat treatment step procedure to carry out vacuum heat treatment on the stainless steel and the ceramic sheet, thereby achieving the purposes of high bonding strength, long service life and difficult falling-off between the stainless steel and the ceramic sheet.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments so that the technical solutions of the present invention can be more easily understood and appreciated.
Example 1
A diffusion fiber welding method of stainless steel and ceramic sheets comprises the following steps:
(1) preparing raw materials, namely respectively cutting stainless steel and ceramic sheets by using a diamond cutting machine, wherein the rotating speed of the diamond cutting machine is set to be 600 rpm-800 rpm, and obtaining 20x60mm stainless steel with the thickness of 2mm and 20x20mm ceramic sheets with the thickness of 0.8 mm;
(2) rolling, namely performing cold rolling on the 20x60mm stainless steel with the thickness of 2mm obtained in the step (1) by using a cold rolling machine to obtain 20x60mm stainless steel with the thickness of 1.5mm, wherein the 20x60mm stainless steel with the thickness of 2mm is subjected to cold rolling to obtain 20x60mm stainless steel with the thickness of 1.5 mm;
(3) performing primary oscillation cleaning, namely pouring 100ml of acetone into the ultrasonic cleaning machine to the 20x60mm stainless steel with the thickness of 1.5mm obtained in the step (2), and then putting the 20x60mm stainless steel with the thickness of 1.5mm into the ultrasonic cleaning machine to perform oscillation cleaning on the surface oil stain to obtain the 20x60mm stainless steel with the thickness of 1.5mm and with the oil stain removed;
(4) grinding the oil stain removed 20x60mm stainless steel with the thickness of 1.5mm obtained in the step (3), and grinding the 20x60mm stainless steel with the thickness of 1.5mm by using sic sand paper of a pneumatic disc sand machine, wherein the mesh number of the sic sand paper is 800 meshes to obtain the 20x60mm stainless steel with the thickness of 1.5mm after grinding;
(5) performing secondary oscillation cleaning, namely pouring 70 ml of acetone into the ultrasonic cleaning machine on the ground 20x60mm stainless steel with the thickness of 1.5mm obtained in the step (4), and then putting the 20x60mm stainless steel with the thickness of 1.5mm into the ultrasonic cleaning machine to perform oscillation cleaning on fine metal particles on the surface to obtain the 20x60mm stainless steel with the thickness of 1.5mm and the particles removed;
(6) lapping, namely fixing the 20x60mm stainless steel with the particle removed thickness of 1.5mm obtained in the step (5) and the 20x20mm ceramic sheet with the thickness of 0.8mm obtained in the step (1) by using a clamp, and then fixing the stainless steel and the ceramic sheet together by using a digital display torque wrench through screws, wherein the torque value of the digital display torque wrench is 5n/m, so as to obtain a to-be-lapped product of the stainless steel and the ceramic sheet;
(7) performing first vacuum heat treatment, namely performing vacuum heat treatment on the to-be-treated product of the stainless steel and the ceramic sheets which are lapped together and obtained in the step (6) by using a vacuum heat treatment furnace, wherein the pressure of the vacuum heat treatment furnace is set to be 10-7torr, temperature set at 600 ℃ to obtain vacuum heat treated lap jointsStainless steel and ceramic sheet products;
(8) and (3) second vacuum heat treatment: carrying out vacuum heat treatment on the stainless steel and ceramic thin sheet to-be-treated product which is obtained in the step (7) and is lapped together after the vacuum heat treatment by using a vacuum heat treatment furnace, wherein the pressure of the vacuum heat treatment furnace is set to be 10-5And (5) setting the temperature of the torr to be 800 ℃, keeping the temperature for 15 minutes, cooling the furnace, and taking out to obtain a finished product.
The 20x60mm stainless steel of example 1, which can achieve a thickness of 1.5mm, was joined with a 20x20mm ceramic wafer having a thickness of 0.8 mm.
Example 2
A diffusion fiber welding method of stainless steel and ceramic sheets comprises the following steps:
(1) preparing raw materials, namely respectively cutting stainless steel and ceramic sheets by using a diamond cutting machine, wherein the rotating speed of the diamond cutting machine is set to be 600 rpm-800 rpm, and obtaining 20x60mm stainless steel with the thickness of 2mm and 20x20mm ceramic sheets with the thickness of 0.8 mm;
(2) rolling, namely performing cold rolling on the 20x60mm stainless steel with the thickness of 2mm obtained in the step (1) by using a cold rolling machine to obtain 20x60mm stainless steel with the thickness of 0.8mm, wherein the 20x60mm stainless steel with the thickness of 2mm is subjected to cold rolling to obtain 20x60mm stainless steel with the thickness of 0.8 mm;
(3) performing primary oscillation cleaning, namely pouring 100ml of acetone into the ultrasonic cleaning machine to the 20x60mm stainless steel with the thickness of 0.8mm obtained in the step (2), and then putting the 20x60mm stainless steel with the thickness of 0.8mm into the ultrasonic cleaning machine to perform oscillation cleaning on the surface oil stain to obtain the 20x60mm stainless steel with the thickness of 0.8mm and with the oil stain removed;
(4) grinding the oil stain removed 20x60mm stainless steel with the thickness of 0.8mm obtained in the step (3), and grinding the 20x60mm stainless steel with the thickness of 0.8mm by using sic sand paper of a pneumatic disc sand machine, wherein the mesh number of the sic sand paper is 800 meshes to obtain the ground 20x60mm stainless steel with the thickness of 0.8 mm;
(5) performing secondary oscillation cleaning, namely pouring 70 ml of acetone into the ultrasonic cleaning machine on the ground 20x60mm stainless steel with the thickness of 0.8mm obtained in the step (4), and then putting the 20x60mm stainless steel with the thickness of 0.8mm into the ultrasonic cleaning machine to perform oscillation cleaning on fine metal particles on the surface to obtain the 20x60mm stainless steel with the thickness of 0.8mm and the particles removed;
(6) lapping, namely fixing the 20x60mm stainless steel with the particle removed thickness of 0.8mm obtained in the step (5) and the 20x20mm ceramic sheet with the thickness of 0.8mm obtained in the step (1) by using a clamp, and then fixing the stainless steel and the ceramic sheet together by using a digital display torque wrench through screws, wherein the torque value of the digital display torque wrench is 5n/m, so as to obtain a to-be-lapped product of the stainless steel and the ceramic sheet;
(7) performing first vacuum heat treatment, namely performing vacuum heat treatment on the to-be-treated product of the stainless steel and the ceramic sheets which are lapped together and obtained in the step (6) by using a vacuum heat treatment furnace, wherein the pressure of the vacuum heat treatment furnace is set to be 10-7Setting the temperature of a torr to 600 ℃ to obtain a stainless steel and ceramic sheet to-be-produced product which are lapped together after vacuum heat treatment;
(8) and (3) second vacuum heat treatment: carrying out vacuum heat treatment on the stainless steel and ceramic thin sheet to-be-treated product which is obtained in the step (7) and is lapped together after the vacuum heat treatment by using a vacuum heat treatment furnace, wherein the pressure of the vacuum heat treatment furnace is set to be 10-5And (5) setting the temperature of the torr to 800 ℃, keeping the temperature for 5 minutes, and taking out the product after the furnace is cooled to obtain a finished product.
The 20x60mm stainless steel of example 1, which can achieve a thickness of 0.8mm, was joined with a 20x20mm ceramic wafer having a thickness of 0.8 mm.
The above is, of course, only a specific application example of the present invention, and the scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (3)
1. A diffusion fiber welding method of stainless steel and ceramic sheets is characterized by comprising the following steps:
(1) preparing raw materials, namely respectively cutting stainless steel and ceramic sheets by using a diamond cutting machine, wherein the rotating speed of the diamond cutting machine is set to be 600 rpm-800 rpm, and obtaining 20x60mm stainless steel with the thickness of 2mm and 20x20mm ceramic sheets with the thickness of 0.8 mm;
(2) rolling, namely performing cold rolling on the 20x60mm stainless steel with the thickness of 2mm obtained in the step (1) by using a cold rolling machine to obtain 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm, wherein the 20x60mm stainless steel with the thickness of 2mm is subjected to cold rolling to obtain 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm;
(3) performing primary oscillation cleaning, namely pouring acetone into the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm obtained in the step (2), and then putting the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm into an ultrasonic cleaning machine to perform oscillation cleaning on surface oil stains to obtain the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm for removing the oil stains;
(4) grinding the 20x60mm stainless steel with the oil stain removal thickness of 0.8 mm-1.5 mm obtained in the step (3), and grinding the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm by using sic sand paper of a pneumatic disc sand machine, wherein the mesh number of the sic sand paper is 800 meshes, so as to obtain the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm after grinding;
(5) performing secondary oscillation cleaning, namely pouring acetone into the ground 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm obtained in the step (4) into an ultrasonic cleaning machine, and then putting the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm into the ultrasonic cleaning machine to perform oscillation cleaning on the fine metal particles on the surface to obtain the 20x60mm stainless steel with the thickness of 0.8 mm-1.5 mm and the particles removed;
(6) lapping, namely fixing the 20x60mm stainless steel with the particle-removed thickness of 0.8 mm-1.5 mm obtained in the step (5) and the 20x20mm ceramic sheet with the thickness of 0.8mm obtained in the step (1) by using a clamp, and then fixing the stainless steel and the ceramic sheet together by using a digital display torque wrench through screws, wherein the torque value of the digital display torque wrench is 5n/m, so as to obtain a to-be-lapped product of the stainless steel and the ceramic sheet;
(7) the first vacuum heat treatment, namely, the products to be produced of the stainless steel and the ceramic sheets which are lapped together and obtained in the step (6) are treated by a vacuum heat treatment furnacePerforming vacuum heat treatment on the product to be treated, wherein the pressure of the vacuum heat treatment furnace is set to be 10-7Setting the temperature of a torr to 600 ℃ to obtain a stainless steel and ceramic sheet to-be-produced product which are lapped together after vacuum heat treatment;
(8) and (3) second vacuum heat treatment: carrying out vacuum heat treatment on the stainless steel and ceramic thin sheet to-be-treated product which is obtained in the step (7) and is lapped together after the vacuum heat treatment by using a vacuum heat treatment furnace, wherein the pressure of the vacuum heat treatment furnace is set to be 10-5And (5) setting the temperature of the torr to be 800 ℃, keeping the temperature constant for 5-15 minutes, and taking out the torr after the furnace is cooled to obtain a finished product.
2. The method for diffusion fiber welding of stainless steel and ceramic sheets according to claim 1, wherein the amount of acetone added in the first shaking cleaning in step (3) is 100 ml.
3. The method for diffusion fiber welding of stainless steel and ceramic sheets according to claim 1, wherein the acetone is added in an amount of 70 ml in the second shaking and cleaning in step (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911269974.9A CN111039692A (en) | 2019-12-11 | 2019-12-11 | Diffusion fiber welding method for stainless steel and ceramic sheets |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911269974.9A CN111039692A (en) | 2019-12-11 | 2019-12-11 | Diffusion fiber welding method for stainless steel and ceramic sheets |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182230A (en) * | 2007-11-28 | 2008-05-21 | 哈尔滨工业大学 | Method for vacuum diffusion connecting ceramic |
| CN104722955A (en) * | 2015-03-20 | 2015-06-24 | 江苏科技大学 | High-temperature brazing filler metal for brazing Si3N4 ceramic and stainless steel, preparing method and brazing process |
| CN108794043A (en) * | 2018-07-02 | 2018-11-13 | 哈尔滨赫捷科技有限公司 | Ceramics, the method for metal dissimilar material joining and ceramic surface treatment process |
-
2019
- 2019-12-11 CN CN201911269974.9A patent/CN111039692A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182230A (en) * | 2007-11-28 | 2008-05-21 | 哈尔滨工业大学 | Method for vacuum diffusion connecting ceramic |
| CN104722955A (en) * | 2015-03-20 | 2015-06-24 | 江苏科技大学 | High-temperature brazing filler metal for brazing Si3N4 ceramic and stainless steel, preparing method and brazing process |
| CN108794043A (en) * | 2018-07-02 | 2018-11-13 | 哈尔滨赫捷科技有限公司 | Ceramics, the method for metal dissimilar material joining and ceramic surface treatment process |
Non-Patent Citations (1)
| Title |
|---|
| 中国机械工程学会焊接学会编: "《焊接词典》", 31 July 1985 * |
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Application publication date: 20200421 |