CN104742309B - A kind of plastic-metal complex and preparation method thereof - Google Patents
A kind of plastic-metal complex and preparation method thereof Download PDFInfo
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- CN104742309B CN104742309B CN201310750449.5A CN201310750449A CN104742309B CN 104742309 B CN104742309 B CN 104742309B CN 201310750449 A CN201310750449 A CN 201310750449A CN 104742309 B CN104742309 B CN 104742309B
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Abstract
To overcome in the plastic-metal complex that prior art is provided, the problem of bond strength of metal and plastics is relatively low, the invention provides a kind of plastic-metal complex, including metalwork, working of plastics and embedded particle；The working of plastics is engaged in metalwork surface, and the embedded particle is scattered on the interface that metalwork is engaged with working of plastics, and is embedded in simultaneously in metalwork and working of plastics.Meanwhile, the invention also discloses the preparation method of above-mentioned plastic-metal complex.In the plastic-metal complex that the present invention is provided, the bond strength of metal and plastics is high.
Description
Technical field
The present invention relates to a kind of electronic equipment field, especially a kind of plastic-metal complex and preparation method thereof.
Background technology
With the development of mobile phone technique, the moulding of ultra-thin and ultra-light and integration is increasingly becoming fashion trend, metal shell symbol
Ultralight ultra-thin fashion trend is closed, brand value is embodied, gradually used for increasing cell phone manufacturer.But metal forming adds
Work internal structure of mobile phone is difficult, and all-metal mobile phone makes it difficult for antenna normal work, therefore the injection-moulded plastic card inside metal shell
Detain or second half injection-moulded plastic of a semimetal is to install antenna part in mobile phone shell, the design as many mobile phone types.Gold
How category firmly bonds together with plastics, one of key technology as phone housing moulding, and it is enough to bond needs
Closely in order to which sequent surface is decorated.
In the prior art, the method for metal parts connection integrated with plastic components includes：(1) binding agent, double, is used
Plastic components is bonded on metal parts by face adhesive tape；(2), both are fixed using fixing components such as screws；(3), in metal
Small pit is previously formed on the composition surface of component side, metal parts is combined with plastic components.Wherein, especially in metal
Small pit is formed on part, it is relatively conventional using the method for binding agent.
But, in the plastic-metal complex that the above method is prepared, the bond strength of metal and plastics is still relatively low.
The content of the invention
The technical problems to be solved by the invention are directed in the plastic-metal complex that prior art is provided, metal and modeling
There is provided a kind of plastic-metal complex for the problem of bond strength of material is relatively low.
The technical scheme that present invention solution above-mentioned technical problem is used is as follows：
A kind of plastic-metal complex, including metalwork, working of plastics and embedded particle are provided；The working of plastics is engaged in gold
Belong to part surface, the embedded particle is scattered on the interface that metalwork is engaged with working of plastics, and be embedded in metalwork and modeling simultaneously
In materials and parts.
According to the present invention, embedded particle is embedded with metalwork surface, meanwhile, it is embedding in insertion particle insertion working of plastics
Enter particle firmly can be fastened on metalwork surface by working of plastics, and the combination substantially increased between metalwork and working of plastics is strong
Degree.
Meanwhile, present invention also offers the preparation method of above-mentioned plastic-metal complex, including：
S1, metal base surface coat one layer of cladding thing；The cladding thing includes bonded particulate and embedded particle, described
The material of bonded particulate is identical with metallic matrix material；
S2, in an inert atmosphere, the cladding thing of metal base surface is irradiated using laser, melts bonded particulate；Then
Stand, form metalwork, the embedded particle insertion metalwork surface；
S3, the injection on surface of the metalwork with embedded particle, form working of plastics.
The present invention coats one layer by present metal base surface includes the cladding thing of embedded particle, is then shone using laser
Penetrate, the metal base surface of embedded particle insertion melting, formation is firmly fixed.
However, inventor is had found by substantial amounts of experiment, and generally, when directly irradiating metal base surface using laser,
Blasting phenomena is easily formed, embedded particle is directly such as placed in metal base surface, is then irradiated using laser, will be unable to effective reality
Particle is now embedded in the attachment of metal base surface and embedded fixation.In the present invention, in laser pre-irradiation, first in Metal Substrate body surface
Face coats one layer of cladding thing for including bonded particulate and embedded particle, and the bonded particulate is identical with metallic matrix material.When
When being irradiated using laser, bonded particulate is first melted, and plays cushioning effect, it is to avoid metal base surface produces blasting phenomena, is beneficial to
It is embedded in being effectively embedded into for particle.
Simultaneously as bonded particulate is identical with metallic matrix material, in melting, bonded particulate melts as one with metallic matrix
Body, a part as metalwork can effectively overcome bonded particulate to dissolve adhesion problem rear between metallic matrix.Together
When, embedded particle insertion bonded particulate is melted in the adhesive to be formed, after adhesive solidifies, and embedded particle can be embedded in metal
In part.
It is molded on the surface then in metalwork with embedded particle, prepares working of plastics, you can complete above-mentioned plastic-metal
The preparation of complex.
Brief description of the drawings
During Fig. 1 is the plastic-metal complex that provides of the present invention, embedded particle and metal component structure schematic diagram；
Fig. 2 is the cross section structure schematic diagram for the plastic-metal complex that the present invention is provided.
Reference in Figure of description is as follows：
1st, metalwork；21st, adhesive；22nd, embedded particle；3rd, working of plastics.
Embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
In description of the present utility model, it is to be understood that the orientation of the instruction such as term " on ", " under ", " top ", " bottom "
Or position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplification is retouched
State, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to limitation of the present utility model.In description of the present utility model, unless otherwise indicated, " multiples' " contains
Justice is two or more.
The plastic-metal complex that the present invention is provided includes metalwork, working of plastics and embedded particle；The working of plastics engagement
In metalwork surface, the embedded particle is scattered on the interface that metalwork is engaged with working of plastics, and is embedded in metalwork simultaneously
With in working of plastics.
For above-mentioned metalwork, its material can use various metals commonly used in the prior art, for example aluminium, aluminium alloy, no
One kind in rust steel, magnesium, magnesium alloy.When the shell as electronic product (such as mobile phone or tablet personal computer), generally, using aluminium
Alloy or stainless steel.
In the present invention, embedded particle is embedded in above-mentioned metalwork surface, realizes embedded particle being fixedly secured on metalwork.
, can be using the higher inorganic or organic granular of various intensity of the prior art, it is preferred to use resistance to height for above-mentioned embedded particle
The inorganic particle of temperature, such as described embedded particle is quartz sand.
Above-mentioned embedded particle is embedded in metalwork and working of plastics simultaneously, for metalwork and working of plastics firmly to be combined,
Its particle diameter can change interior in a big way, under preferable case, and the average grain diameter of the embedded particle is 100-1000 μm.
For above-mentioned working of plastics, its material can use various plastics commonly used in the prior art, for example, the working of plastics material
Matter is selected from polyethylene, polypropylene, polyacetals, polystyrene, Noryl, polyethylene terephthalate, poly- to benzene two
It is formic acid butanediol ester, PEN, polyphenylene sulfide, polyimides, polyamidoimide, PEI, poly-
In sulfone, polyether sulfone, polyether-ketone, makrolon, polyamide, thermoplastic polyurethane, acrylonitrile-butadiene-styrene copolymer
It is a kind of.
It is described in order to further improve under the mechanical strength of working of plastics in above-mentioned plastic-metal composite material, preferable case
Working of plastics includes plastic substrate and the glass fibre being scattered in plastic substrate.On the basis of the content of the plastic substrate, institute
The content for stating glass fibre is 1%-50%wt.Now, plastic substrate material can be selected from polyethylene, polypropylene, polyacetals, poly-
Styrene, Noryl, polyethylene terephthalate, polybutylene terephthalate (PBT), poly- naphthalenedicarboxylic acid ethylene glycol
Ester, polyphenylene sulfide, polyimides, polyamidoimide, PEI, polysulfones, polyether sulfone, polyether-ketone, makrolon, polyamides
Any one in amine, thermoplastic polyurethane, acrylonitrile-butadiene-styrene copolymer.
To improve the synergy of glass fibre and plastic substrate, the mechanical property of working of plastics, preferably feelings are further improved
Under condition, any one of the plastic substrate material in polyphenylene sulfide, makrolon, polyamide.
Meanwhile, present invention also offers the preparation method of above-mentioned plastic-metal complex, including：
S1, metal base surface coat one layer of cladding thing；The cladding thing includes bonded particulate and embedded particle, described
The material of bonded particulate is identical with metallic matrix material；
S2, in an inert atmosphere, the cladding thing of metal base surface is irradiated using laser, melts bonded particulate；Then
Stand, form metalwork, the embedded particle insertion metalwork surface；
S3, the injection on surface of the metalwork with embedded particle, form working of plastics.
According to the present invention, in above-mentioned steps S1, a metallic matrix is provided first.The metallic matrix used is prior art
In the various metals commonly used, the one kind of the material of such as metallic matrix in aluminium, aluminium alloy, stainless steel, magnesium, magnesium alloy.
As known to those skilled in the art, cleaning treatment first can be carried out to metal base surface, for example deoiled,
Derust and blasting treatment.Specifically deoil, derust and the method for blasting treatment is known to a person skilled in the art, for example, going
Oil is operated：Metallic matrix is immersed in 40g/l sodium hydrate aqueous solution, solution temperature is 40 DEG C, is soaked 1 minute
Washing and drying afterwards.
It is ready to after above-mentioned metallic matrix, you can coat one layer of cladding thing in metal base surface.
According to the present invention, above-mentioned cladding thing includes embedded particle and bonded particulate.
For above-mentioned embedded particle, it is preferred to use various high temperature resistants and the inorganic particle for not absorbing laser, such as silicide,
Preferably quartz sand, it high temperature resistant and will not can be melted under the irradiation of laser, can also be glass dust, its particle diameter can compared with
Changed in a wide range of, under preferable case, the average grain diameter of the embedded particle is 100-1000 μm.
For above-mentioned bonded particulate, its material is identical with metallic matrix material.Bonded particulate is used in laser irradiation process
Middle melting, it is to avoid metal base surface produces blasting phenomena, and is combined together after bonded particulate fusing with metallic matrix, into
For a part for metalwork；Effectively it is embedded in simultaneously in metalwork making to be embedded in particle after it solidifies again.For bonded particulate
Particle diameter, can be changed interior in a big way, under preferable case, the average grain diameter of the bonded particulate is 10-80 μm.
When using quartz sand as embedded particle, in the cladding thing, the weight ratio of bonded particulate and quartz sand is 1-
5:1.In order to preferably make quartz sand be embedded in metalwork, under preferable case, in the cladding thing, bonded particulate and quartz sand
Weight ratio is 3：2.
After metal base surface coats above-mentioned cladding thing, you can be irradiated using laser.
Inventor has found, when being directly irradiated in atmosphere using laser to metal base surface, in cladding thing
Bonded particulate is easily oxidized, so as to influence the bond strength between metalwork and working of plastics.Therefore, in the present invention, laser shines
The operation for penetrating metal base surface is carried out in inert environments, for example, can enter in vacuum or operating room full of inert gas
Row aforesaid operations.
In the present invention, in order to reduce under equipment cost, preferable case, in the step S2, surface is coated with cladding thing
Metallic matrix be placed in transparency liquid, transparency liquid is submerged the cladding thing on metallic matrix and its surface, then using laser
Irradiate the cladding thing of metal base surface.
Above-mentioned transparency liquid submergence metallic matrix and its cladding thing on surface, by metallic matrix and cladding thing and air every
From, it is to avoid metallic matrix and bonded particulate are oxidized.
According to the present invention, above-mentioned transparency liquid only needs to completely cut off air there is provided inert environments, under preferable case, institute
Water or alcohol can be used by stating transparency liquid., need to be by metallic matrix and its cladding thing on surface when completely cutting off air using transparency liquid
Under submergence, preferable case, transparency liquid surface is higher by cladding thing surface 0.5mm-10mm.
As is known in the art, meeting more or less in water or alcohol is dissolved with a small amount of oxygen, but this hair
In bright, the amount of the oxygen dissolved in transparency liquid is considerably less, and its influence brought can be neglected.
In the present invention, when irradiating metal base surface using laser, only need laser can be by metal base surface and bonding
Grain melts, and those skilled in the art can be adjusted according to actual conditions to operating parameter.In the present invention, shone using laser
The method for penetrating metal base surface is：Regulation laser power is 10-30W, is irradiated 2-5 times.Above-mentioned laser irradiation process can be used
Existing laser is carried out, for example, aforesaid operations can be completed using optical fiber laser.
After being irradiated by laser, bonded particulate combines together with metallic matrix, embedded particle insertion metalwork surface.
After above-mentioned steps S2, metalwork can be toasted.It is dried.Under preferable case, metalwork is stood,
Eliminate its internal stress.
Prepare after above-mentioned metalwork, you can at it there is the surface of embedded particle to prepare working of plastics.
The specific method for forming working of plastics can be existing various, for example, above-mentioned plastics can be prepared by injection molding
Part, specifically, the injection moulding process is：Pressure 1600-2400bar, pressurize 800-1400bar are penetrated, upper and lower mould during oil temperature machine is used
Temperature is 80-150 DEG C, and the injection time is 0.5-2s.
The plastic material that is used during above-mentioned injection is optional existing various, and for example plastic material is selected from polyethylene, poly- third
Alkene, polyacetals, polystyrene, Noryl, polyethylene terephthalate, polybutylene terephthalate (PBT), poly- naphthalene
Naphthalate, polyphenylene sulfide, polyimides, polyamidoimide, PEI, polysulfones, polyether sulfone, polyether-ketone,
One kind in makrolon, polyamide, acrylonitrile-butadiene-styrene copolymer.
Likewise, in the step S3, the material used during injection is resin and the mixture of glass fibre, so as to prepare
Inner dispersion has the working of plastics of glass fibre.
Under preferable case, in said mixture, the one kind of the resin in polyphenylene sulfide, makrolon, polyamide；
On the basis of the weight of the resin, the content of the glass fibre is 1%-50%wt.
After above-mentioned injection, you can obtain the plastic-metal complex that the present invention is provided.
Above-mentioned plastic-metal complex is further described with reference to Fig. 1-Fig. 2.
The plastic-metal complex includes metalwork and working of plastics 3.
Wherein, metalwork surface has multiple quartz sands as embedded particle 22.The embedded insertion of particle 22 adhesive 21
In, and the upper surface of metallic matrix 1 is fixed on by adhesive 21.Adhesive 21 and metallic matrix 1 are identical material, the two melt for
One, forms metalwork.In the embedded insertion of particle 22 adhesive 21, i.e. the embedded insertion metalwork of particle 22 surface.
Working of plastics 3 is engaged on the upper surface of metalwork.
Embedded particle 22 is simultaneously in embedded working of plastics 3.Embedded particle 22 in embedded working of plastics 3 and metalwork, will be moulded simultaneously
Materials and parts 3 and metalwork " riveting ", so as to substantially increase the bond strength of working of plastics 3 and metalwork.
The present invention is further detailed by the following examples.
Embodiment 1
The present embodiment is used to illustrate plastic-metal complex disclosed by the invention and preparation method thereof.
Metallic matrix is used as using aluminium alloy (A6061).
Aluminum alloy surface is deoiled, derusted and blasting treatment
Cladding thing is coated in aluminum alloy surface.In cladding thing, aluminum alloy granule (average grain diameter is 60 μm) and quartz sand
The weight ratio of grain (average grain diameter is 500 μm) is 3:2.
Casing is provided, and toward water is injected in casing, the metallic matrix that surface then is coated with into cladding thing is pressed from both sides by tool
Tool be placed on it is above-mentioned be filled with the casing of water, the liquid level of water is higher by the cladding thing surface of metal base surface.
Using optical fiber laser, adjustment laser power is 20w, irradiates the cladding thing of metal base surface, is irradiated 5 times,
Metalwork is formed, and quartz sand is embedded in its surface.
Metalwork is dried, and stood.
Above-mentioned metalwork is positioned in German En Geer injection machines, use polyamide and glass fibre mixture (with
On the basis of polyamide weight, content of glass fiber is 50%wt) as injected plastics material, it is molded.Injecting condition is：Penetrate pressure
2100bar, pressurize 1100bar, are 140 DEG C using upper and lower mould temperature during oil temperature machine, and the injection time is 1s.
Prepare plastic-metal complex A1.
Embodiment 2
The present embodiment is used to illustrate plastic-metal complex disclosed by the invention and preparation method thereof.
Metallic matrix is used as using aluminium alloy (A6061).
Aluminum alloy surface is deoiled, derusted and blasting treatment
Cladding thing is coated in aluminum alloy surface.In cladding thing, aluminum alloy granule (average grain diameter is 80 μm) and quartz sand
The weight ratio of grain (average grain diameter is 800 μm) is 3:2.
Casing is provided, and toward water is injected in casing, the metallic matrix that surface then is coated with into cladding thing is pressed from both sides by tool
Tool be placed on it is above-mentioned be filled with the casing of water, the liquid level of water is higher by the cladding thing surface of metal base surface.
Using optical fiber laser, adjustment laser power is 30w, irradiates the cladding thing of metal base surface, is irradiated 2 times,
Metalwork is formed, and quartz sand is embedded in its surface.
Metalwork is dried, and stood.
Above-mentioned metalwork is positioned in German En Geer injection machines, using polyphenylene sulfide and the mixture of glass fibre
(on the basis of polyphenylene sulfide weight, content of glass fiber is 30%wt) is molded as injected plastics material.Injecting condition is：
Pressure 1800bar, pressurize 1000bar are penetrated, the use of upper and lower mould temperature during oil temperature machine is 100 DEG C, the injection time is 1.5s.
Prepare plastic-metal complex A2.
Embodiment 3
The present embodiment is used to illustrate plastic-metal complex disclosed by the invention and preparation method thereof.
Metallic matrix is used as using aluminium alloy (A6061).
Aluminum alloy surface is deoiled, derusted and blasting treatment
Cladding thing is coated in aluminum alloy surface.In cladding thing, aluminum alloy granule (average grain diameter is 20 μm) and quartz sand
The weight ratio of grain (average grain diameter is 200 μm) is 3:1.
Casing is provided, and toward water is injected in casing, the metallic matrix that surface then is coated with into cladding thing is pressed from both sides by tool
Tool be placed on it is above-mentioned be filled with the casing of water, the liquid level of water is higher by the cladding thing surface of metal base surface.
Using optical fiber laser, adjustment laser power is 15w, irradiates the cladding thing of metal base surface, is irradiated 5 times,
Metalwork is formed, and quartz sand is embedded in its surface.
Metalwork is dried, and stood.
Above-mentioned metalwork is positioned in German En Geer injection machines, using makrolon and the mixture of glass fibre
(on the basis of makrolon weight, content of glass fiber is 30%wt) is molded as injected plastics material.Injecting condition is：
Pressure 2400bar, pressurize 1400bar are penetrated, the use of upper and lower mould temperature during oil temperature machine is 150 DEG C, the injection time is 0.5s.
Prepare plastic-metal complex A3.
Embodiment 4
The present embodiment is used to illustrate plastic-metal complex disclosed by the invention and preparation method thereof.
Metallic matrix is used as using stainless steel (SUS304).
Stainless steel surfaces are deoiled, derusted and blasting treatment
Cladding thing is coated in stainless steel surfaces.In cladding thing, stainless steel particles (average grain diameter is 60 μm) and quartz sand
The weight ratio of grain (average grain diameter is 500 μm) is 5:1.
Casing is provided, and toward water is injected in casing, the metallic matrix that surface then is coated with into cladding thing is pressed from both sides by tool
Tool be placed on it is above-mentioned be filled with the casing of water, the liquid level of water is higher by the cladding thing surface of metal base surface.
Using optical fiber laser, adjustment laser power is 20w, irradiates the cladding thing of metal base surface, is irradiated 5 times,
Metalwork is formed, and quartz sand is embedded in its surface.
Metalwork is dried, and stood.
Above-mentioned metalwork is positioned in German En Geer injection machines, use polyamide and glass fibre mixture (with
On the basis of polyamide weight, content of glass fiber is 50%wt) as injected plastics material, it is molded.Injecting condition is：Penetrate pressure
2100bar, pressurize 1100bar, are 140 DEG C using upper and lower mould temperature during oil temperature machine, and the injection time is 1s.
Prepare plastic-metal complex A4.
Comparative example 1
This comparative example is used for comparative illustration plastic-metal complex disclosed by the invention and preparation method thereof.
The preparation method of plastic-metal complex is same as Example 1, and difference is：Cladding is not coated in aluminum alloy surface
Thing.
Prepare plastic-metal complex D1.
Performance test
Tensile strength performance test is carried out to above-mentioned plastic-metal the complex A1-A4 and D1 prepared：
Tested according to ISO 527：Clamped respectively using measurer for pulling force plastic-metal complex working of plastics and
Metalwork, draw speed is 10mm/s.
Obtained test result inserts table 1.
Table 1
| Sample | Tensile strength/MPa |
| A1 | 30 |
| A2 | 28 |
| A3 | 25 |
| A4 | 23 |
| D1 | 18 |
From the test result of table 1 can be seen that the plastic-metal complex that provides of the present invention, working of plastics and metalwork it
Between have excellent bond strength.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (16)
1. a kind of plastic-metal complex, it is characterised in that including metalwork, working of plastics and embedded particle；The working of plastics connects
Together in metalwork surface, the embedded particle is scattered on the interface that metalwork is engaged with working of plastics, and is embedded in metal simultaneously
In part and working of plastics, the embedded particle is quartz sand or glass dust.
2. plastic-metal complex according to claim 1, it is characterised in that the average grain diameter of the embedded particle is
100-1000μm。
3. the plastic-metal complex according to any one in claim 1-2, it is characterised in that the metalwork material
One kind in aluminium, aluminium alloy, stainless steel, magnesium, magnesium alloy；The working of plastics material is selected from polyethylene, polypropylene, bunching
Aldehyde, polystyrene, Noryl, polyethylene terephthalate, polybutylene terephthalate (PBT), poly- naphthalenedicarboxylic acid second
Diol ester, polyphenylene sulfide, polyimides, polyamidoimide, PEI, polysulfones, polyether sulfone, polyether-ketone, makrolon,
One kind in polyamide, thermoplastic polyurethane, acrylonitrile-butadiene-styrene copolymer.
4. the plastic-metal complex according to any one in claim 1-2, it is characterised in that the working of plastics includes
Plastic substrate and the glass fibre being scattered in plastic substrate；
The one kind of the plastic substrate material in polyphenylene sulfide, makrolon, polyamide；With the weight of the plastic substrate
On the basis of, the content of the glass fibre is 1%-50%wt.
5. the preparation method of the plastic-metal complex as described in any one in claim 1-4, it is characterised in that including：
S1, metal base surface coat one layer of cladding thing；The cladding thing includes bonded particulate and embedded particle, the bonding
The material of particle is identical with metallic matrix material；
S2, in an inert atmosphere, the cladding thing of metal base surface is irradiated using laser, melts bonded particulate；Then stand,
Form metalwork, the embedded particle insertion metalwork surface；
S3, the injection on surface of the metalwork with embedded particle, form working of plastics.
6. preparation method according to claim 5, it is characterised in that the embedded particle is quartz sand, the quartz sand
Average grain diameter be 100-1000 μm；The average grain diameter of the bonded particulate is 10-80 μm.
7. preparation method according to claim 6, it is characterised in that in the cladding thing, bonded particulate and quartz sand
Weight ratio is 1-5：1.
8. preparation method according to claim 5, it is characterised in that in the step S2, in inert gas, using sharp
The cladding thing of light irradiation metal base surface.
9. preparation method according to claim 5, it is characterised in that in the step S2, surface is coated with cladding thing
Metallic matrix be placed in transparency liquid, transparency liquid is submerged the cladding thing on metallic matrix and its surface, then using laser
Irradiate the cladding thing of metal base surface.
10. preparation method according to claim 9, it is characterised in that the transparency liquid is water or alcohol.
11. the preparation method according to any one in claim 8-10, it is characterised in that Metal Substrate is irradiated using laser
The method in body surface face is：Regulation laser power is 10-30W, is irradiated 2-5 times.
12. preparation method according to claim 5, it is characterised in that also include after the step S2 before S3 to gold
Category part is toasted.
13. preparation method according to claim 5, it is characterised in that also include before the step S1 to metallic matrix
Deoiled, derusted and blasting treatment in surface；
Also include standing metalwork before S3 after the step S2.
14. the preparation method according to any one in claim 5-10,12-13, it is characterised in that the step S3
In, injection moulding process：Pressure 1600-2400bar, pressurize 800-1400bar are penetrated, the use of upper and lower mould temperature during oil temperature machine is 80-150 DEG C,
The injection time is 0.5-2s.
15. preparation method according to claim 5, it is characterised in that in the step S1, the material of metallic matrix is selected from
One kind in aluminium, aluminium alloy, stainless steel, magnesium, magnesium alloy；
In the step S4, the resin used during injection is selected from polyethylene, polypropylene, polyacetals, polystyrene, modified polyphenyl
Ether, polyethylene terephthalate, polybutylene terephthalate (PBT), PEN, polyphenylene sulfide, polyamides
Imines, polyamidoimide, PEI, polysulfones, polyether sulfone, polyether-ketone, makrolon, polyamide, thermoplastic polyurethane,
One kind in acrylonitrile-butadiene-styrene copolymer.
16. preparation method according to claim 5, it is characterised in that in the step S4, the material used during injection for
The mixture of resin and glass fibre；
The one kind of the resin in polyphenylene sulfide, makrolon, polyamide；It is described on the basis of the weight of the resin
The content of glass fibre is 1%-50%wt.
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| CN105007348A (en) * | 2015-07-29 | 2015-10-28 | 广东欧珀移动通信有限公司 | Shell, mobile terminal and shell manufacturing method |
| CN105599237A (en) * | 2016-03-03 | 2016-05-25 | 云南科威液态金属谷研发有限公司 | Injection molding method for manufacturing metal-plastic composite structural part |
| JP6782996B1 (en) * | 2019-07-08 | 2020-11-11 | 株式会社ワールドメタル | Bonded base material and metal layer |
| CN112342603B (en) * | 2019-08-09 | 2022-08-02 | 富联裕展科技(深圳)有限公司 | Metal product and metal composite, and method for producing same |
| CN114679874A (en) * | 2020-12-24 | 2022-06-28 | 富联裕展科技(深圳)有限公司 | Metal composite part, preparation method of metal composite part and shell of electronic device |
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| JP5381687B2 (en) * | 2008-12-29 | 2014-01-08 | 日本軽金属株式会社 | Aluminum alloy member excellent in resin bondability and manufacturing method thereof |
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| CN103036086A (en) * | 2011-09-28 | 2013-04-10 | 日立汽车***株式会社 | Composite molded body of metal member and molded resin member, and surface processing method of metal member |
| CN103458632A (en) * | 2012-06-01 | 2013-12-18 | 深圳富泰宏精密工业有限公司 | Electronic device shell and method for manufacturing same |
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