CN106735895B - A kind of method for laser welding of aluminium alloy-glass composite material - Google Patents
A kind of method for laser welding of aluminium alloy-glass composite material Download PDFInfo
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- CN106735895B CN106735895B CN201611162308.1A CN201611162308A CN106735895B CN 106735895 B CN106735895 B CN 106735895B CN 201611162308 A CN201611162308 A CN 201611162308A CN 106735895 B CN106735895 B CN 106735895B
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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 material, includes the following steps：S1, according to the aluminium alloy of required welding and size, the shape of glass, set machining locus, and carry out welding fixture preparation；S2, the aluminium alloy and glass of required welding are carried out to weld pretreatment operation early period；S3, welding fixture will complete the aluminium alloy of pretreatment operation in step S2 as requested and glass is clamped, and carries 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 is set to aluminium alloy and glass, and required aluminium alloy glass composite material is made；S6, welding fixture is removed, completes entire welding operating process.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 being brazed in a vacuum chamber is put, has solved the drawbacks of to welding dimensions limitation.
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 because of high-temperature wearable, anti-corrosion, insulation, and the features such as oxidation resistance is strong is widely used, but glass sheet
The ductility of body is low, poor impact toughness then limits its application in engineering.Therefore it is excellent with metal double to combine glass
The metal-glass composite material of performance comes into being, 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 material, therefore research glass and metal welding (sealing-in) are significant.The envelope of glass and metal
It connects there are many kinds of methods, 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, so that metal surface is generated the appropriate fine and close oxidation film of a layer thickness, then by metal and glass
Glass is placed in high temperature furnace and heats, and metal is completed to combine by melting by spreading with the glass after heating, cold after held for some time
But to room temperature, metal-glass composite material is taken out.But matched seal process needs the heating in stove then cooling, therefore adopt
The longer production cycle 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 metal and glass to be welded into production mainstream.
In recent years, related more research, such as patent document has also been made to the welding technique of glass for metal《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 welding procedure disclosed in is to need under vacuum, but glass, metal
Size is limited by vacuum chamber, and the welding of some large scale materials can not just use this kind of welding procedure.For another 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》On the one hand welding procedure disclosed in (application number 201310298572.8) etc. is welded
The limitation of vacuum chamber size is connect, another aspect expenditure of time is larger, cannot 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 improving the quality of product,
Need to design a kind of simple controllable, the good welding method of weld seam to realize the excellent welding of metal and glass.
Invention content
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 for having waved glass and aluminium alloy has been abandoned and traditional has been carried out pricker in a vacuum chamber using putting using the direct fusion welding of laser
The method of weldering solves the drawbacks of to welding dimensions limitation.
In order to achieve the above objectives, the technical solution adopted by the present invention is：
A kind of method for laser welding of aluminium alloy-glass composite material, includes the following steps：
S1, according to the aluminium alloy of required welding and size, the shape of glass, set machining locus, and carry out welding fixture
Prepare；
S2, the aluminium alloy and glass of required welding are carried out to weld pretreatment operation early period；
S3, welding fixture will complete the aluminium alloy of pretreatment operation in step S2 as requested and glass is clamped, and does
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 is set to aluminium alloy and glass, are made
Required aluminium alloy-glass composite material；
S6, welding fixture is removed, completes entire welding operating process.
Preferably, the aluminium alloy in the step S1 and glass refer to that can be used in computer, communication and consumer electronics production
All aluminium alloys and glass of product.
Preferably, pretreatment early period in the step S2 refers respectively to carry out anodized to aluminium alloy, makes it
Surface forms layer oxide film and carries out clear water to glass and cleans, then cooling air-drying.
Preferably, the thickness of the oxidation film is 2~30 μm.
Preferably, in the step S3, glass is covered on the part surface of aluminium alloy, and welding fixture is respectively held against glass
Surface and aluminium alloy bottom surface, provide the chucking power in vertical direction, the side that aluminium alloy is covered is weld seam, is located at glass
There are weld job areas, weld seam to be located in weld seam operation area in vertical direction between two welding fixtures on glass surface.
Preferably, in the step S4, laser uses wavelength for the solid state laser of 800~1070nm.
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 is set according to step S1, the laser beam of laser transmitting
It penetrates glass to directly focus on the surface of aluminium alloy, be engaged with glass after being melted.
Preferably, in the step S5, entire welding operation carries 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 provided by the invention uses
The method that laser directly melts comes welding aluminum alloy and glass, has abandoned traditional vacuum seal connection, has solved and set using vacuum
Poor bonding strength when being limited the condition of the limitation of size and vacuum chamber when standby, while also avoiding adhesive tape sealing is easy to old
The drawbacks of change, by Optimizing Process Parameters, prepared by the welding that can carry out the aluminium alloy and glass of different dimensions, have controllable
The high advantage of property, the aluminium alloy-glass composite material produced can meet the high standard to industry applied to high-end manufacturing industry
Quasi- quality requirement.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flow chart of the method for laser welding of aluminium alloy-glass composite material provided by the invention；
Fig. 2 is the position view of aluminium alloy and glass in the welding process in the present invention；
Fig. 3 is the position view of aluminium alloy, glass and welding fixture in the welding process in the present invention.
Reference numeral involved in attached drawing and component part explanation：
1, laser beam；2, glass；3, aluminium alloy；4, weld seam；5, welding fixture；6, chucking power.
Specific implementation mode
In recent years, related more research, existing disclosed Welder has also been made to the welding technique of glass for metal
On the one hand skill is limited by welding vacuum chamber size, another aspect expenditure of time is larger, cannot 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 improving the quality of product,
The present invention provides a kind of method for laser welding of aluminium alloy-glass composite material, shown in Figure 1, includes the following steps：
S1, according to the aluminium alloy of required welding and size, the shape of glass, set machining locus, and carry out welding fixture
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, the aluminium alloy and glass of required welding are carried out to weld pretreatment operation early period.
Pretreatment early period refers respectively to carry out anodized to aluminium alloy, its surface is made to form layer oxide film, oxygen
The thickness of oxidation film must be controlled by changing processing procedure, if oxide thickness is excessively thin, in conjunction with due to stress buffer area it is too small,
It is not easy to realize welding, if oxidation film is blocked up, stress buffer area is excessive, is not easy to realize effective welding, the oxidation in the present invention
The thickness control of film is at 2~30 μm.
Simple surface clear water is carried out to glass to clean, then cold wind drying etc. is to be used.
S3, welding fixture will complete the aluminium alloy of pretreatment operation in step S2 as requested and glass is clamped, and does
Good weld preparation.Shown in Fig. 2~Fig. 3, glass 2 is covered on the part surface of aluminium alloy 3, and welding fixture 5 is respectively held against
The bottom surface on the surface and aluminium alloy 3 of glass 2, provides the chucking power 6 in vertical direction, and the side that aluminium alloy 3 is covered is weldering
Seam 4, there are weld job areas, weld seam 4 to be located at weld seam in vertical direction between two welding fixtures 6 on 2 surface of glass
In operation area.
S4, setting laser device laser machined parameters.
The laser uses wavelength for the solid state laser of 800~1070nm, 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
For 20~30Hz.
The machining locus that S5, laser are set according to step S1, the laser beam 1 of laser transmitting penetrate glass 2 and directly gather
Coke engages after melting the oxidation film on 3 surface of aluminium alloy with glass 2 on the surface of aluminium alloy 3, and required aluminium is made and closes
Gold-glass composite material.Entire welding process carries out in the atmosphere of argon gas, and the work of " glue " is played in this oxidation film
With.
S6, welding fixture is removed, completes entire welding operating process.
Technical scheme of the present invention will be clearly and completely described by specific implementation mode below.Obviously, it is retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without creative efforts, belongs to the present invention
The range of protection.
Embodiment one：
A kind of method for laser welding of aluminium alloy-glass composite material, includes the following steps：
S1, according to the aluminium alloy of required welding and size, the shape of glass, set machining locus, and carry out welding fixture
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, the aluminium alloy and glass of required welding are carried out to weld pretreatment operation early period.
Pretreatment early period refers respectively to carry out anodized to aluminium alloy, its surface is made to form layer oxide film, oxygen
The thickness of oxidation film must be controlled by changing processing procedure, if oxide thickness is excessively thin, in conjunction with due to stress buffer area it is too small,
It is not easy to realize welding, if oxidation film is blocked up, stress buffer area is excessive, is not easy to realize effective welding, the oxygen in the present embodiment
Change the thickness control of film at 2 μm.
Simple surface clear water is carried out to glass to clean, then cold wind drying etc. is to be used.
S3, welding fixture will complete the aluminium alloy of pretreatment operation in step S2 as requested and glass is clamped, and does
Good weld preparation.Glass is covered on the part surface of aluminium alloy, welding fixture is respectively held against surface and the aluminium alloy of glass
Bottom surface, provide the chucking power in vertical direction, the side that aluminium alloy is covered is weld seam, two be located on glass surface
There are weld job areas, weld seam to be located in weld seam operation area in vertical direction between welding fixture.
S4, setting laser device laser machined parameters.
The laser uses wavelength for the solid state laser of 800nm, 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 are set according to step S1, the laser beam of laser transmitting penetrate glass and directly focus
It on the surface of aluminium alloy, is engaged with glass after the oxidation film of aluminum alloy surface is melted, required aluminium alloy-glass is made
Composite material.Entire welding process carries out in the atmosphere of argon gas, plays the role of " glue " in this oxidation film.
S6, welding fixture is removed, completes entire welding operating process.
Embodiment two：
The present embodiment compared with embodiment one, the difference is that：The thickness of anode oxide film is 10 μm, and laser uses
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：
The present embodiment compared with embodiment one, the difference is that：The thickness of anode oxide film is 19 μm, and laser uses
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：
The present embodiment compared with embodiment one, the difference is that：The thickness of anode oxide film is 28 μm, and laser uses
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 conclusion a kind of method for laser welding of aluminium alloy-glass composite material provided by the invention, straight using laser
The method for connecing fusing comes welding aluminum alloy and glass, needs to be placed on heat treatment when avoiding traditional aluminium alloy and glass solder
Kept the temperature in stove and in vacuum drying oven and realize welding and the drawbacks of occur, breach using when vacuum equipment to the limitation of size
Poor bonding strength when being limited with the condition of vacuum chamber, while also avoiding adhesive tape sealing, the disadvantage for being easy to aging, environmental pollution
End, by Optimizing Process Parameters, prepared by the welding that can carry out the aluminium alloy and glass of different dimensions, have controllability high
Advantage, the aluminium alloy-glass composite material produced can meet the high standard quality to industry applied to high-end manufacturing industry
It is required that.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to 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, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (7)
1. a kind of method for laser welding of aluminium alloy-glass composite material, it is characterised in that：Include the following steps：
S1, according to the aluminium alloy of required welding and size, the shape of glass, set machining locus, and carry out welding fixture preparation；
S2, the aluminium alloy and glass of required welding are carried out to weld pretreatment operation early period, the welding early period pretreatment difference
Refer to aluminium alloy carry out anodized, make its surface formed a layer thickness be 2~30 μm oxidation film and to glass into
Row clear water is cleaned, then cooling air-drying；
S3, welding fixture will complete the aluminium alloy of pretreatment operation in step S2 as requested and glass is clamped, and carries 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 is set to aluminium alloy and glass, are made required
Aluminium alloy-glass composite material；
S6, welding fixture is removed, completes entire welding operating process.
2. a kind of method for laser welding 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 communication and consumption electronic product to state aluminium alloy and glass in step S1.
3. a kind of method for laser welding of aluminium alloy-glass composite material according to claim 1, it is characterised in that：Institute
It states in step S3, glass is covered on the part surface of aluminium alloy, and welding fixture is respectively held against surface and the aluminium alloy of glass
Bottom surface provides the chucking power in vertical direction, and the side that aluminium alloy is covered is weld seam, two welderings being located on glass surface
There are weld job areas, weld seam to be located in weld seam operation area in vertical direction between welding fixture.
4. a kind of method for laser welding of aluminium alloy-glass composite material according to claim 1, it is characterised in that：Institute
It states in step S4, laser uses wavelength for the solid state laser of 800~1070nm.
5. a kind of method for laser welding of aluminium alloy-glass composite material according to claim 1, it is characterised in that：Institute
It states in step S4, laser machined parameters are 1~3.3mms of laser scanning speed-1, focal length -3mm≤f≤0mm, laser work(
150~299W of rate, 0.1~20Ms of pulse width, frequency are 20~30Hz.
6. a kind of method for laser welding of aluminium alloy-glass composite material according to claim 1, it is characterised in that：Institute
It states in step S5, the machining locus that laser is set according to step S1, the laser beam of laser transmitting penetrates glass and directly focuses
On the surface of aluminium alloy, engaged with glass after being melted.
7. a kind of method for laser welding of aluminium alloy-glass composite material according to claim 6, it is characterised in that：Institute
It states in step S5, entire welding operation carries out in the atmosphere of argon gas.
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| CN110193664B (en) * | 2019-05-29 | 2021-06-18 | 上海梁为科技发展有限公司 | Preparation method of metal-inorganic composite material |
| EP3812352A1 (en) * | 2019-10-24 | 2021-04-28 | Schott Primoceler Oy | Glass compound arrangement |
| CN114160975B (en) * | 2021-12-30 | 2022-11-08 | 中南大学 | Large-area high-strength laser welding method and device for dissimilar materials |
| 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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