CN109822206A - A kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process - Google Patents
A kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process Download PDFInfo
- Publication number
- CN109822206A CN109822206A CN201910231780.3A CN201910231780A CN109822206A CN 109822206 A CN109822206 A CN 109822206A CN 201910231780 A CN201910231780 A CN 201910231780A CN 109822206 A CN109822206 A CN 109822206A
- Authority
- CN
- China
- Prior art keywords
- welding
- aluminium alloy
- alloy plate
- plate
- ultra
- 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.)
- Pending
Links
Landscapes
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The present invention relates to metal welding techniques fields, the present invention proposes a kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process, using 1060 aluminium alloy plates as base material, T2 copper plate is as weldment, overlap joint overlapping ultrasonic bonding, includes the following steps: to carry out surface polishing to aluminium alloy plate with the sand paper of 800 mesh and 2000 mesh respectively；Alkali cleaning is first carried out to the aluminium alloy plate that progress surface was polished and carries out pickling again, copper sheet pickling, then alcohol wipe, hair dryer drying are spare；Aluminium alloy plate is placed on face contact fixture, then copper sheet is overlapped on to the upper surface of aluminium alloy plate, then lap width 24-25mm is fixed two plates using fixture；The plate being fixed together to be sent into supersonic welder and is welded, welding parameter range is as follows: welding pressure 25-70Psi, bonding power 450J, and 32-60 μm of weld amplitude, weld interval 0.26s；Inspection after welding analysis: postwelding checks that Welded Joints carry out mechanics properties testing, and carry out depth observation to weld seam using SEM to the appearance of weld seam.
Description
Technical field
The present invention relates to metal welding techniques field more particularly to a kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding processes.
Background technique
With the rapid development of science and technology and industrial level, new material and new construction with excellent properties are continuously available
Development and application.Two or more metal is attached by certain processing technology and constitutes a complete tool
There is the dissimilar metal connection structure of certain utility function, the connection structure newly formed is not only able to satisfy different operating condition to material
It is different require, and precious metal can also be saved, reduce structure overall cost, give full play to the performance advantage of different materials.
Therefore, dissimilar material welding technology has been to be concerned by more and more people, and has broad application prospects.
The advantages that aluminium and copper are due to its higher conductivity, thermal conductivity and good corrosion resistance, dissimilar metal joint
There is extensive practical application in space flight, battery and electronics industry.These excellent characteristics of Al-Cu connector are based on,
To start gradually for substituting the steel in electrical system.Meanwhile recently due to new-energy automobile industry flourish, wherein
The connection of lithium battery positive and negative anodes tab (positive pole ear is generally aluminium flake, and negative lug is generally copper sheet) also becomes a research
Hot spot.
The fusing point of copper is 1083.4 DEG C, and the fusing point of aluminium is 660 DEG C, and the difficult point of aluminum bronze welding is that their fusing point differed
It greatly, is exactly that aluminum bronze compound between fragile metal easy to form when welding seriously affects the mechanics of welding point there are one reason
Performance.The realization such as friction welding (FW), gas metal-arc welding, Laser Welding, electron beam welding, pressure welding is widely used in actual production
The connection of aluminium/copper sleeve, however these welding methods are limited by joint form or welding position, complex process, the expensive Pang of equipment
Greatly, it is widely applied to have certain difficulty in industrial production.
And ultrasonic welding technique belongs to a kind of solid phase connecting method, and is more suitable in battery thin plate connection and more
The overlap joint of layer metal.Ultrasonic bonding is to apply high-frequency mechanical vibration to welded piece under the effect of soldering tip static pressure, utilizes work
The connection of workpiece is realized in the heating and plastic deformation that relative friction movement generates between part, have the characteristics that in short-term, low energy and environmental protection.
Summary of the invention
The object of the present invention is to provide a kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding processes.
Above-mentioned technical purpose of the invention is that used following technical scheme is realized:
A kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process, using 1060 aluminium alloy plates as base material, T2 copper plate is as weldering
Part, overlap joint overlapping ultrasonic bonding, includes the following steps:
1) surface polishing is carried out to aluminium alloy plate with the sand paper of 800 mesh and 2000 mesh respectively；
2) to carrying out the aluminium alloy plate polished of surface and first carry out alkali cleaning to carry out pickling again, copper sheet pickling, then wipes of alcohol
It wipes, hair dryer drying is spare；
3) aluminium alloy plate is placed on face contact fixture, then copper sheet is overlapped on to the upper surface of aluminium alloy plate, lap width
For 24-25mm, then two plates are fixed using fixture, prevent the movement of plate in welding process；
4) plate being fixed together is sent into supersonic welder and is welded, welding parameter range is as follows: welding pressure
Power 25-70Psi, bonding power 450J, 32-60 μm of weld amplitude, weld interval 0.26s；
5) inspection after welding is analyzed: postwelding checks that Welded Joints carry out mechanics properties testing to the appearance of weld seam, and
Depth observation is carried out to weld seam using SEM.
Preferably, the aluminium alloy plate with a thickness of 0.2mm, the copper plate with a thickness of 0.2mm.
Preferably, the aluminium alloy plate and copper sheet are cleaned with super refreshing wave, and wiping is air-dried and welded immediately.
In conclusion the invention has the following advantages:
The present invention is able to use the overlap welding of the ultra-thin aluminum bronze plate of suitable realization of process parameters, the ultra-thin aluminum bronze of strict control
The thermal deformation of plate in the welding process, the case where avoiding compound and burn-through between generating a large amount of fragile metal between aluminum bronze hair
It is raw；At the same time, the problems such as present invention also efficiently solves the welding procedure hardly possible of ultra-thin aluminum bronze plate, and welding cost is high, effectively saves
About production cost, improves production efficiency；It is welded using technique provided by the invention, weld seam is continuously beautiful, no undercut
And the defect of burn-through, tensile strength meets the requirements close to base material, hardness at welding point, and the ingredient of intermetallic compound also complies with
It is required that.
Detailed description of the invention
Fig. 1 is a kind of welding schematic diagram of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process.
Fig. 2 is a kind of top view of the welding schematic diagram of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Diagram and specific embodiment are closed, the present invention is further explained.
Embodiment one
A kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process, welding base metal select 1060 aluminium alloy plates, specification 100*25*
0.2mm, T2 copper plate are as weldment, and specification 100*25*0.2mm, supersonic welder, which uses, must can believe company
ULTRAWELDL20 ultrasonic spot welder, includes the following steps:
S1, successively with 800 mesh corase grinding sand paper and 2000 mesh fine grinding sand paper surface polishing is carried out to aluminium alloy plate, then to place
Aluminium alloy plate after reason first carry out alkali cleaning carry out again pickling air-dry, to copper sheet carry out pickling after and with alcohol wipe and air-dry；Its
In, it is carried out using hair dryer air-dried；
S2, aluminium alloy plate is placed on face contact fixture, then copper sheet is overlapped on to the upper surface of aluminium alloy plate, lap width
For 24-25mm, then two plates are fixed using fixture, prevent the movement of plate in welding process；
S3, the plate being fixed together is sent into supersonic welder and is welded, welding parameter range is as follows: welding pressure
Power 70Psi, bonding power 450J, 32 μm of weld amplitude, weld interval 0.26s；
S4, inspection after welding analysis: situations such as observing appearance of weld, section of weld joint；And carry out tension test, hardness test
The mechanical property of detection tabs, and XRD analysis is carried out, detect its intermetallic compound.
It is welded under this technique, the defects of no undercut, burn-through, compound meets the requirements between fragile metal, by drawing
It stretches, its mechanical property known to hardness determination also complies with requirement.
Embodiment two
A kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process, welding base metal select 1060 aluminium alloy plates, specification 100*25*
0.2mm, T2 copper plate are as weldment, and specification 100*25*0.2mm, supersonic welder, which uses, must can believe company
ULTRAWELDL20 ultrasonic spot welder, includes the following steps:
S1, successively with 800 mesh corase grinding sand paper and 2000 mesh fine grinding sand paper surface polishing is carried out to aluminium alloy plate, then to place
Aluminium alloy plate after reason first carry out alkali cleaning carry out again pickling air-dry, to copper sheet carry out pickling after and with alcohol wipe and air-dry；Its
In, it is carried out using hair dryer air-dried；
S2, aluminium alloy plate is placed on face contact fixture, then copper sheet is overlapped on to the upper surface of aluminium alloy plate, lap width
For 24-25mm, then two plates are fixed using fixture, prevent the movement of plate in welding process；
S3, the plate being fixed together is sent into supersonic welder and is welded, welding parameter range is as follows: welding pressure
Power 25Psi, bonding power 450J, 60 μm of weld amplitude, weld interval 0.26s；
S4, inspection after welding analysis: situations such as observing appearance of weld, section of weld joint；And carry out tension test, hardness test
The mechanical property of detection tabs, and XRD analysis is carried out, detect its intermetallic compound.
Show that all data is superior to embodiment one, therefore this implementation through test data after being welded under this technique
Example is optimum embodiment.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (3)
1. a kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process, which is characterized in that using 1060 aluminium alloy plates as base material, T2 red copper
Plate includes the following steps: as weldment, overlap joint overlapping ultrasonic bonding
1) surface polishing is carried out to aluminium alloy plate with the sand paper of 800 mesh and 2000 mesh respectively；
2) aluminium alloy plate polished progress surface first carries out alkali cleaning and carries out pickling again, and copper sheet pickling, then alcohol wipe, blows
Blower drying is spare；
3) aluminium alloy plate is placed on face contact fixture, then copper sheet is overlapped on to the upper surface of aluminium alloy plate, lap width 24-
Then 25mm is fixed two plates using fixture；
4) plate being fixed together is sent into supersonic welder and is welded, welding parameter range is as follows: welding pressure 25-
70Psi, bonding power 450J, 32-60 μm of weld amplitude, weld interval 0.26s；
5) inspection after welding is analyzed: postwelding checks that Welded Joints carry out mechanics properties testing, and use to the appearance of weld seam
SEM carries out depth observation to weld seam.
2. a kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process according to claim 1, it is characterised in that: the aluminium alloy plate
With a thickness of 0.2mm, the copper plate with a thickness of 0.2mm.
3. a kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process according to claim 1, it is characterised in that: the aluminium alloy plate
It is cleaned with copper sheet with super refreshing wave, wiping is air-dried and welded immediately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231780.3A CN109822206A (en) | 2019-03-26 | 2019-03-26 | A kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231780.3A CN109822206A (en) | 2019-03-26 | 2019-03-26 | A kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109822206A true CN109822206A (en) | 2019-05-31 |
Family
ID=66872113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910231780.3A Pending CN109822206A (en) | 2019-03-26 | 2019-03-26 | A kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109822206A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263252A (en) * | 2021-04-27 | 2021-08-17 | 昆山聚创新能源科技有限公司 | Welding method of lithium battery tab |
| CN114226946A (en) * | 2021-12-30 | 2022-03-25 | 上海骄成超声波技术股份有限公司 | Ultrasonic welding device and welding method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06216504A (en) * | 1993-01-14 | 1994-08-05 | Matsushita Electric Works Ltd | Method for connecting terminal to printed board |
| CN1217964A (en) * | 1997-04-17 | 1999-06-02 | 三井金属矿业株式会社 | Ultrasonic welding of copper foil |
| WO2004062842A1 (en) * | 2003-01-03 | 2004-07-29 | Nanopierce Technologies, Inc. | Ultrasonic bonding of electrical devices |
-
2019
- 2019-03-26 CN CN201910231780.3A patent/CN109822206A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06216504A (en) * | 1993-01-14 | 1994-08-05 | Matsushita Electric Works Ltd | Method for connecting terminal to printed board |
| CN1217964A (en) * | 1997-04-17 | 1999-06-02 | 三井金属矿业株式会社 | Ultrasonic welding of copper foil |
| WO2004062842A1 (en) * | 2003-01-03 | 2004-07-29 | Nanopierce Technologies, Inc. | Ultrasonic bonding of electrical devices |
Non-Patent Citations (4)
| Title |
|---|
| GUANPENG LIU等: ""Microstructure and Mechanical Properties of Ultrasonic Welded Joint of 1060 Aluminum Alloy and T2 Pure Copper"", 《METALS》 * |
| 李东等: ""焊头几何尺寸对铜/铝超声波焊接接头塑性变形的影响"", 《热加工工艺》 * |
| 蒋召平等: "铝/铜异质金属超声波焊接工艺研究", 《工艺与新技术》 * |
| 马成勇等: "铝/铜异种金属超声波焊接工艺优化", 《工艺与新技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263252A (en) * | 2021-04-27 | 2021-08-17 | 昆山聚创新能源科技有限公司 | Welding method of lithium battery tab |
| CN114226946A (en) * | 2021-12-30 | 2022-03-25 | 上海骄成超声波技术股份有限公司 | Ultrasonic welding device and welding method |
| CN114226946B (en) * | 2021-12-30 | 2023-09-08 | 上海骄成超声波技术股份有限公司 | Ultrasonic welding device and welding method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110666329B (en) | Method for improving corrosion resistance of welded joint of aluminum plate and steel plate | |
| CN103506725B (en) | The preparation method of target material assembly | |
| CN110682029B (en) | Active connecting agent for contact reaction of graphite and stainless steel and brazing method | |
| CN103084714B (en) | The laser pre-treated of a kind of titanium alloy and pure aluminum sheets fills silk TIG welding method | |
| CN109822206A (en) | A kind of ultra-thin Solder for Al-Cu Joint Welding ultrasonic welding process | |
| CN110039169B (en) | Electron beam welding method for titanium-aluminum dissimilar metal | |
| CN108340056A (en) | A kind of ultra-thin Solder for Al-Cu Joint Welding Variable Polarity CMT welding techniques | |
| Feng et al. | Microstructure and mechanical performance of ultrasonic spot welded open-cell Cu foam/Al joint | |
| Kumaran et al. | Effect of projection on joint properties of friction welding of tube-to-tube plate using an external tool | |
| CN106378530A (en) | Aluminum steel laser welding method capable of simultaneously adding powder to aluminum and steel surfaces | |
| CN106735895A (en) | A kind of method for laser welding of aluminium alloy glass composite | |
| CN101992331B (en) | Vacuum brazing process for super-Ni laminated material and Cr18-Ni8 stainless steel | |
| Pati et al. | Ultrasonic spot welding of Al-Cu sheets: a comprehensive study | |
| CN203541857U (en) | Tool fixture for tailored blank laser welding | |
| CN105364314A (en) | Welding method for obtaining amorphous connector for FeSiB amorphous strip | |
| CN110760841B (en) | Preparation method of amorphous nanocrystalline coating on aluminum alloy surface | |
| CN107891218A (en) | A kind of thermoforming steel white body spot welding method | |
| Li et al. | Mechanical Behavior and Microstructure of Ultrasonic-Spot-Welded Al/Cu Dissimilar Joints with Zn Interlayer | |
| CN107931806A (en) | A kind of Mo Re alloys foil micro-plasma arc welding connects method | |
| CN115026139A (en) | Method for preparing nickel-magnesium composite board by rolling | |
| CN108422057B (en) | Ultrasonic-assisted direct-current resistance brazing method for aluminum alloy | |
| Sadmai et al. | Microstructure and tensile strength of butt joint between AA6063 aluminum alloy and AISI304 stainless steel by friction stir welding | |
| CN115026401B (en) | Magnetic pulse welding method for magnesium alloy plate and steel plate | |
| Thunaipragasam et al. | Mechanicalproperties of 304 stainless steel plates and friction stir welded Al 2219 alloy | |
| CN111843168A (en) | Method for ultrasonically welding nickel sheet |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190531 |
|
| RJ01 | Rejection of invention patent application after publication |