CN106735895A - A kind of method for laser welding of aluminium alloy glass composite - Google Patents
A kind of method for laser welding of aluminium alloy glass composite Download PDFInfo
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- CN106735895A CN106735895A CN201611162308.1A CN201611162308A CN106735895A CN 106735895 A CN106735895 A CN 106735895A CN 201611162308 A CN201611162308 A CN 201611162308A CN 106735895 A CN106735895 A CN 106735895A
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- glass
- aluminium alloy
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- composite material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/32—Bonding taking account of the properties of the material involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/60—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
A kind of method for laser welding of aluminium alloy glass composite, comprises the following steps：Size, the shape of S1, the aluminium alloy welded according to needed for and glass, set machining locus, and carry out weld jig preparation；S2, aluminium alloy and glass to required welding carry out early stage welding pretreatment operation；S3, weld jig are as requested clamped aluminium alloy and glass that pretreatment operation is completed in step S2, carry out weld preparation；S4, setting laser device laser machined parameters；S5, laser carry out laser welding operation according to the machining locus that step S1 sets to aluminium alloy and glass, aluminium alloy glass composite needed for being obtained；S6, dismounting weld jig, complete whole welding operation flow.The present invention has given full play to the performance of glass and aluminium alloy, using the direct fusion welding of laser, has abandoned traditional using the method that carries out soldering in a vacuum chamber is put, and solves the drawbacks of limiting welding dimensions.
Description
Technical field
The present invention relates to laser preparation engineering structural material, function and service technical field of structural materials, and in particular to a kind of
The method for laser welding of aluminium alloy-glass composite material.
Background technology
Glass material is widely used the features such as oxidation resistance is strong because of high-temperature wearable, anti-corrosion, insulation, but glass sheet
The ductility of body is low, poor impact toughness then limits its application in engineering.Therefore glass is combined excellent with metal double
The metal-glass composite of performance arises at the historic moment, and it is true to be widely used in microelectronics Packaging, battery, instrument and meter, solar energy
The fields such as empty set heat pipe, composite, therefore research glass is significant with metal welding (sealing-in).The envelope of glass and metal
The method of connecing has many kinds, and wherein most study, theoretical more ripe method are matched seals, and the process of matched seal is in sealing-in
It is preceding that pre-oxidation treatment first is carried out to metal, metal surface is generated the appropriate fine and close oxide-film of a layer thickness, then by metal and glass
Glass is heated in being placed on high temperature furnace, and metal completes to combine with the glass after heating by spreading melting, cold after held for some time
But to room temperature, metal-glass composite is taken out.But matched seal process needs heating and then cooling in stove, therefore adopts
The production cycle more long is needed with the production method of matched seal, is unfavorable for conventional production.In order to shorten the production cycle, accelerate life
Speed is produced, directly carries out being welded into production main flow by metal and glass.
In recent years, related more research, such as patent document be have also been made for metal and the solder technology of glass《Glass with
Metal vacuum diffusion technology for welding》(application number 200810243068.7),《A kind of glass and metal vacuum brazing technique》(application
Etc. number 200910234678.5) operating environment of disclosed welding procedure is to need under vacuum, but glass, metal
Size is limited by vacuum chamber, and the welding of some large scale materials cannot just use this kind of welding procedure.And for example patent
Document《Anode welding method between metal and glass and ceramics》(application number 200310105894.2),《Metal is welded with close
The convex surface vacuum glass of strip of paper used for sealing and mounting hole》The disclosed welding procedure such as (application number 201310298572.8) is on the one hand welded
The limitation of vacuum chamber size is connect, another aspect expenditure of time is larger, it is impossible to quickly and efficiently realize the welding of glass and metal,
Products obtained therefrom quality can not be up to standard.
Therefore, in order to break through the limitation of vacuum chamber, solve the problems, such as that expenditure of time is excessive, while the quality of product is improved,
A kind of simple good welding method of controllable, weld seam of design is needed to realize the excellent welding of metal and glass.
The content of the invention
In view of this, it is an object of the invention to provide a kind of method for laser welding of aluminium alloy-glass composite material, fully send out
The performance of glass and aluminium alloy is waved, using the direct fusion welding of laser, abandoned traditional carries out pricker using putting in a vacuum chamber
The method of weldering, solves the drawbacks of limiting welding dimensions.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of method for laser welding of aluminium alloy-glass composite material, comprises the following steps：
Size, the shape of S1, the aluminium alloy welded according to needed for and glass, set machining locus, and carry out weld jig
Prepare；
S2, aluminium alloy and glass to required welding carry out early stage welding pretreatment operation；
S3, weld jig are as requested clamped aluminium alloy and glass that pretreatment operation is completed in step S2, are done
Good weld preparation；
S4, setting laser device laser machined parameters；
S5, laser carry out laser welding operation according to the machining locus that step S1 sets to aluminium alloy and glass, are obtained
Required aluminium alloy-glass composite material；
S6, dismounting weld jig, complete whole welding operation flow.
Preferably, the aluminium alloy and glass in the step S1 refer to and can be used in computer, communication and consumer electronics to produce
All aluminium alloys and glass of product.
Preferably, the early stage pretreatment in the step S2 refers respectively to carry out anodized to aluminium alloy, makes it
Surface forms layer oxide film and clear water is carried out to glass and cleans, then cooling air-drying.
Preferably, the thickness of the oxide-film is 2~30 μm.
Preferably, in the step S3, glass is covered on the part surface of aluminium alloy, and weld jig is respectively held against glass
Surface and aluminium alloy bottom surface, there is provided the chucking power in vertical direction, the side that aluminium alloy is covered be weld seam, positioned at glass
There is weld job area between two weld jigs on glass surface, weld seam is located in weld seam operation area in vertical direction.
Preferably, in the step S4, it is the solid state laser of 800~1070nm that laser uses wavelength.
Preferably, in the step S4, laser machined parameters are 1~3.3mms of laser scanning speed-1, focal length -3mm
≤ f≤0mm, 150~299W of laser power, 0.1~20Ms of pulse width, frequency are 20~30Hz.
Preferably, in the step S5, the machining locus that laser sets according to step S1, the laser beam of laser transmitting
Penetrate glass to directly focus on the surface of aluminium alloy, engaged with glass after being melted.
Preferably, in the step S5, whole welding operation is carried out in the atmosphere of argon gas.
Compared with prior art, the method for laser welding of a kind of aluminium alloy-glass composite material that the present invention is provided, uses
The method that laser directly melts comes welding aluminum alloy and glass, has abandoned traditional vacuum seal connection, solves and is set using vacuum
To the limitation and the condition limitation of vacuum chamber of size when standby, while poor bonding strength when it also avoid adhesive tape sealing, being easy to old
The drawbacks of change, by Optimizing Process Parameters, prepared by the welding of the aluminium alloy and glass that can carry out different size specification, with controllable
Property advantage high, aluminium alloy-glass composite material that production is obtained can meet the high standard for being applied to high-end manufacturing industry to industry
Quasi- quality requirement.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
A kind of flow chart of the method for laser welding of aluminium alloy-glass composite material that Fig. 1 is provided for the present invention；
Fig. 2 is the position view of aluminium alloy and glass in welding process in the present invention；
Fig. 3 is the position view of aluminium alloy, glass and weld jig in welding process in the present invention.
The reference being related in accompanying drawing and part explanation：
1st, laser beam；2nd, glass；3rd, aluminium alloy；4th, weld seam；5th, weld jig；6th, chucking power.
Specific embodiment
In recent years, related more research, existing disclosed Welder be have also been made for metal and the solder technology of glass
On the one hand skill is limited by welding vacuum chamber size, and another aspect expenditure of time is larger, it is impossible to quickly and efficiently realize glass
With the welding of metal, products obtained therefrom quality can not be up to standard.
Therefore, in order to break through the limitation of vacuum chamber, solve the problems, such as that expenditure of time is excessive, while the quality of product is improved,
The present invention provides a kind of method for laser welding of aluminium alloy-glass composite material, shown in Figure 1, comprises the following steps：
Size, the shape of S1, the aluminium alloy welded according to needed for and glass, set machining locus, and carry out weld jig
Prepare.Here aluminium alloy and glass refers to all aluminium alloys and glass that can be used in computer, communication and consumption electronic product
Glass.
S2, aluminium alloy and glass to required welding carry out early stage welding pretreatment operation.
Early stage pretreatment refers respectively to carry out anodized to aluminium alloy, its surface is formed layer oxide film, oxygen
Changing processing procedure must control the thickness of oxide-film, if oxide thickness is excessively thin, it is combined because stress buffer area is too small,
It is difficult to realize welding, if oxide-film is blocked up, stress buffer area is excessive, is not easy to realize effectively welding, the oxidation in the present invention
The thickness control of film is at 2~30 μm.
Carry out simple surface clear water to glass to clean, then cold wind drying etc. is to be used.
S3, weld jig are as requested clamped aluminium alloy and glass that pretreatment operation is completed in step S2, are done
Good weld preparation.Referring to shown in Fig. 2~Fig. 3, glass 2 is covered on the part surface of aluminium alloy 3, and weld jig 5 is respectively held against
The surface of glass 2 and the bottom surface of aluminium alloy 3, there is provided the chucking power 6 in vertical direction, the side that aluminium alloy 3 is covered are weldering
There is weld job area between seam 4, two weld jigs 6 on the surface of glass 2, weld seam 4 is located at weld seam in vertical direction
In operation area.
S4, setting laser device laser machined parameters.
It is the solid state laser of 800~1070nm that the laser uses wavelength, and laser machined parameters are set as：Laser is swept
Retouch 1~3.3mms of speed-1, focal length -3mm≤f≤0mm, 150~299W of laser power, 0.1~20Ms of pulse width, frequency
It is 20~30Hz.
The machining locus that S5, laser set according to step S1, the laser beam 1 of laser transmitting penetrates glass 2 and directly gathers
Jiao will be engaged after the oxide-film fusing on the surface of aluminium alloy 3 on the surface of aluminium alloy 3 with glass 2, and aluminium is closed needed for being obtained
Gold-glass composite material.Whole welding process is carried out in the atmosphere of argon gas, and the work of " glue " is served in this oxide-film
With.
S6, dismounting weld jig, complete whole welding operation flow.
Technical scheme will be clearly and completely described by specific embodiment below.Obviously, retouched
The embodiment stated is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.
Embodiment one：
A kind of method for laser welding of aluminium alloy-glass composite material, comprises the following steps：
Size, the shape of S1, the aluminium alloy welded according to needed for and glass, set machining locus, and carry out weld jig
Prepare.Here aluminium alloy and glass refers to all aluminium alloys and glass that can be used in computer, communication and consumption electronic product
Glass.
S2, aluminium alloy and glass to required welding carry out early stage welding pretreatment operation.
Early stage pretreatment refers respectively to carry out anodized to aluminium alloy, its surface is formed layer oxide film, oxygen
Changing processing procedure must control the thickness of oxide-film, if oxide thickness is excessively thin, it is combined because stress buffer area is too small,
It is difficult to realize welding, if oxide-film is blocked up, stress buffer area is excessive, is not easy to realize effectively welding, the oxygen in the present embodiment
Change the thickness control of film at 2 μm.
Carry out simple surface clear water to glass to clean, then cold wind drying etc. is to be used.
S3, weld jig are as requested clamped aluminium alloy and glass that pretreatment operation is completed in step S2, are done
Good weld preparation.Glass is covered on the part surface of aluminium alloy, weld jig is respectively held against surface and the aluminium alloy of glass
Bottom surface, there is provided the chucking power in vertical direction, the side that aluminium alloy is covered be weld seam, two on glass surface
There is weld job area between weld jig, weld seam is located in weld seam operation area in vertical direction.
S4, setting laser device laser machined parameters.
It is the solid state laser of 800nm that the laser uses wavelength, and laser machined parameters are set as：Laser scanning speed
1mm·s-1, focal length f=0mm, laser power 150W, pulse width 20Ms, frequency 20Hz.
The machining locus that S5, laser set according to step S1, the laser beam of laser transmitting penetrates glass and directly focuses on
On the surface of aluminium alloy, will be engaged with glass after the oxide-film fusing of aluminum alloy surface, aluminium alloy-glass needed for being obtained
Composite.Whole welding process is carried out in the atmosphere of argon gas, and the effect of " glue " is served in this oxide-film.
S6, dismounting weld jig, complete whole welding operation flow.
Embodiment two：
Compared with embodiment one, difference is the present embodiment：The thickness of anode oxide film is 10 μm, and laser is used
Wavelength is the solid state laser of 900nm, and laser machined parameters are set as：Laser scanning speed 1.3mms-1, focal length f=-
1mm, laser power 189W, pulse width 0.5Ms, frequency 24Hz.
Embodiment three：
Compared with embodiment one, difference is the present embodiment：The thickness of anode oxide film is 19 μm, and laser is used
Wavelength is the solid state laser of 950nm, and laser machined parameters are set as：Laser scanning speed 2.5mms-1, focal length f=-
2mm, laser power 229W, pulse width 10Ms, frequency 28Hz.
Example IV：
Compared with embodiment one, difference is the present embodiment：The thickness of anode oxide film is 28 μm, and laser is used
Wavelength is the solid state laser of 1060nm, and laser machined parameters are set as：Laser scanning speed 3.3mms-1, focal length f=-
3mm, laser power 290W, pulse width 18Ms, frequency 30Hz.
In sum, the method for laser welding of a kind of aluminium alloy-glass composite material that the present invention is provided, using laser straight
The method for connecing fusing comes welding aluminum alloy and glass, it is to avoid need to be placed on heat treatment when traditional aluminium alloy is with glass solder
It is incubated in stove and in vacuum drying oven and is realized the drawbacks of welding and occur, is breached the limitation to size during using vacuum equipment
Limited with the condition of vacuum chamber, while poor bonding strength when it also avoid adhesive tape sealing, being easy to aging, environmental pollution disadvantage
End, by Optimizing Process Parameters, prepared by the welding of the aluminium alloy and glass that can carry out different size specification, high with controllability
Advantage, aluminium alloy-glass composite material that production is obtained can meet the high standard quality for being applied to high-end manufacturing industry to industry
It is required that.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (9)
1. a kind of method for laser welding of aluminium alloy-glass composite material, it is characterised in that：Comprise the following steps：
Size, the shape of S1, the aluminium alloy welded according to needed for and glass, set machining locus, and carry out weld jig preparation；
S2, aluminium alloy and glass to required welding carry out early stage welding pretreatment operation；
S3, weld jig are as requested clamped aluminium alloy and glass that pretreatment operation is completed in step S2, carry out weldering
Connect preparation；
S4, setting laser device laser machined parameters；
S5, laser carry out laser welding operation according to the machining locus that step S1 sets to aluminium alloy and glass, needed for being obtained
Aluminium alloy-glass composite material；
S6, dismounting weld jig, complete whole welding operation flow.
2. the method for laser welding of a kind of aluminium alloy-glass composite material according to claim 1, it is characterised in that：Institute
It refers to all aluminium alloys and glass that can be used in computer, communication and consumption electronic product to state aluminium alloy and glass in step S1
Glass.
3. the method for laser welding of a kind of aluminium alloy-glass composite material according to claim 1, it is characterised in that：Institute
State the pretreatment of the early stage in step S2 to refer respectively to carry out anodized to aluminium alloy, its surface is formed layer oxide film
Cleaned with clear water is carried out to glass, then cooling air-drying.
4. the method for laser welding of a kind of aluminium alloy-glass composite material according to claim 3, it is characterised in that：Institute
The thickness for stating oxide-film is 2~30 μm.
5. the method for laser welding of a kind of aluminium alloy-glass composite material according to claim 1, it is characterised in that：Institute
State in step S3, glass is covered on the part surface of aluminium alloy, weld jig is respectively held against surface and the aluminium alloy of glass
Bottom surface, there is provided the chucking power in vertical direction, the side that aluminium alloy is covered is weld seam, two welderings on glass surface
There is weld job area between welding fixture, weld seam is located in weld seam operation area in vertical direction.
6. the method for laser welding of a kind of aluminium alloy-glass composite material according to claim 1, it is characterised in that：Institute
State in step S4, it is the solid state laser of 800~1070nm that laser uses wavelength.
7. the method for laser welding of a kind of aluminium alloy-glass composite material according to claim 1, it is characterised in that：Institute
State in step S4, laser machined parameters are 1~3.3mms of laser scanning speed-1, focal length -3mm≤f≤0mm, laser power
150~299W, 0.1~20Ms of pulse width, frequency are 20~30Hz.
8. the method for laser welding of a kind of aluminium alloy-glass composite material according to claim 1, it is characterised in that：Institute
State in step S5, the machining locus that laser sets according to step S1, the laser beam of laser transmitting penetrates glass and directly focuses on
On the surface of aluminium alloy, engaged with glass after being melted.
9. the method for laser welding of a kind of aluminium alloy-glass composite material according to claim 8, it is characterised in that：Institute
State in step S5, whole welding operation is carried out in the atmosphere of argon gas.
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| CN110193664A (en) * | 2019-05-29 | 2019-09-03 | 梁家昌 | A kind of preparation method of metal-inorganic composite materials |
| CN114160975A (en) * | 2021-12-30 | 2022-03-11 | 中南大学 | Large-area high-strength laser welding method and device for dissimilar materials |
| CN114599474A (en) * | 2019-10-24 | 2022-06-07 | 肖特普瑞默赛勒公司 | Glass composite arrangement |
| CN117209170A (en) * | 2023-08-28 | 2023-12-12 | 苏州大学 | Laser welding method for nickel-based alloy and silicon carbide glass |
| CN117773323A (en) * | 2023-11-27 | 2024-03-29 | 武汉华日精密激光股份有限公司 | Method for welding ceramic-transparent material by high-repetition-frequency ultrafast laser |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114160975A (en) * | 2021-12-30 | 2022-03-11 | 中南大学 | Large-area high-strength laser welding method and device for dissimilar materials |
| CN117209170A (en) * | 2023-08-28 | 2023-12-12 | 苏州大学 | Laser welding method for nickel-based alloy and silicon carbide glass |
| CN117209170B (en) * | 2023-08-28 | 2024-06-28 | 苏州大学 | Laser welding method for nickel-based alloy and silicon carbide glass |
| CN117773323A (en) * | 2023-11-27 | 2024-03-29 | 武汉华日精密激光股份有限公司 | Method for welding ceramic-transparent material by high-repetition-frequency ultrafast laser |
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| Publication number | Publication date |
|---|---|
| CN106735895B (en) | 2018-09-11 |
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