CN105506621B - A kind of graphene composite material and its production technology - Google Patents
A kind of graphene composite material and its production technology Download PDFInfo
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- CN105506621B CN105506621B CN201510847934.3A CN201510847934A CN105506621B CN 105506621 B CN105506621 B CN 105506621B CN 201510847934 A CN201510847934 A CN 201510847934A CN 105506621 B CN105506621 B CN 105506621B
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- composite material
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/343—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one DLC or an amorphous carbon based layer, the layer being doped or not
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
- C23C28/42—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by the composition of the alternating layers
Abstract
The invention discloses a kind of graphene composite material and its production technologies, and wherein graphene composite material includes the graphene layer and metal nano-particle layer of substrate and alternating deposit in substrate surface.There is superhigh intensity and outstanding surface lubrication the present invention is based on composite material prepared by the design of fine spraying process and be easy to be covered in arbitrary substrate surface, it can be used as a kind of good boundary material, effectively prevent the loss of the material caused by friction and energy.Relative to other graphene composite material manufacture crafts, spraying is not only simple for process convenient, has a wide range of application, and can ensure the homogeneity of composite material entirety while effectively control two-component accounting, therefore high practical value for the composite material.
Description
Technical field
The present invention relates to a kind of graphene composite material and its production technologies.
Background technology
High-strength material cost is higher and surface lubrication is insufficient, therefore is easy to damage caused by excessive friction on the contact surface
Consumption, influences service life.And in terms of graphene composite material, the composite material of current most graphene and metal is all
By the way that metal salt is reduced into nano particle on the surface of graphene in the solution, the composite material that this method obtains is powder material
Material, although such composite material can show good strength character and thermophysical property, and graphene in testing
Presence also greatly strengthen the lubricity of the material, still, powder composite material is loosely organized, and the homogeneity difficulty of two-component has
It ensures, powder body material mostly obtains block use by hot pressed sintering in addition, is not appropriate for as face finish material.
Invention content
There is superhigh intensity and outstanding surface lubrication and easy covering the first purpose of the invention is to provide a kind of
In the graphene composite material of arbitrary substrate surface.
Realizing the technical solution of first purpose of the invention is：A kind of graphene composite material, including substrate and alternating
It is deposited on the graphene layer and metal nano-particle layer of substrate surface.
Second object of the present invention is to provide the production technology of foregoing graphites alkene composite material.
Realizing the technical solution of second purpose of the invention is：A kind of production technology of graphene composite material, including with
Lower step：
1., choose smooth substrate, and clean substrate surface.
2., powder graphene is placed in volatile organic solvent, ultrasonic disperse obtains graphene dispersing solution.
3., nano-metal particle is placed in activating solution, be cleaned multiple times with clear water after reflux, remove the work in solution
Then compound matter is added volatile organic solvent and obtains dispersion solution of metal nanoparticle.
4., clean smooth substrate is placed in spraying equipment and is heated, then respectively by graphene dispersion
Liquid and dispersion solution of metal nanoparticle are placed in two different spraying inking chambers；First a layer graphene is sprayed in substrate surface
Disperse liquid layer, since substrate is heated, volatile organic solvent is volatilized rapidly, just obtains one layer of uniform graphene in substrate
Layer；Then continue to spray one layer of dispersion solution of metal nanoparticle layer on the surface, one layer of metal nanoparticle is obtained after dry
Layer；Above-mentioned spraying twice is a coating cycles, which at least carries out 1 time.
5., to step, 4. material obtained carries out high temperature sintering processing.
1. the middle base material chosen is metal either ceramics or semiconductor to the step.
The step 4. in substrate be placed in spraying equipment after be heated to 40~100 DEG C.
4. the thickness of graphene layer is 1nm~1000nm, metal nano-particle layer thickness to the step in material obtained
1nm~1000nm.
The sintering environment of the step 5. is vacuum environment, and sintering temperature is 600~1000 DEG C, and the time is 1~60 minute.
Above-mentioned technical proposal is used, the present invention has advantageous effect below：(1) the nanoscale stratiform that the present invention designs
The graphene composite material of stacked structure is different from traditional mixed structure graphene composite material, and structure of the invention is more advantageous
Go out superhigh intensity and outstanding surface lubrication in the composite material exhibits of the excellent in performance for showing grapheme material, the structure
Property.
(2) graphene composite material prepared the present invention is based on the design of fine spraying process is easy to be covered in arbitrary base material
Surface can be used as a kind of good boundary material, and the intensity of superelevation and outstanding surface lubrication can effectively prevent
The loss of the material caused by friction and energy increases the service life of substrate product, its use scope is expanded, especially in pole
It will play an important role under limit working environment.Relative to other graphene composite material manufacture crafts, spraying is not only simple for process
It is convenient, have a wide range of application, and can ensure the homogeneity of composite material entirety while effectively control two-component accounting,
Therefore high practical value for the composite material.
(3) graphene composite material of the invention can be painted on the flat surface of other any products, to its into
Row surface is processing modified, enhances its intensity and rub resistance (i.e. lubricity), and the method for spraying is simple and efficient, and cost is relatively low, fits
Close large-scale production.
Description of the drawings
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail, wherein
Fig. 1 is the structural schematic diagram of the graphene composite material of the present invention.
In attached drawing marked as：
Metal nano-particle layer 1, graphene layer 2, substrate 3.
Specific implementation mode
(embodiment 1)
See Fig. 1, the graphene composite material of the present embodiment, including substrate 3 and alternating deposit 3 surface of substrate graphite
Alkene layer 2 and metal nano-particle layer 1.
The production technology of the graphene composite material of the present embodiment, includes the following steps：
1., choose smooth substrate 3, and clean 3 surface of substrate, 3 material of substrate is that metal either ceramics or is partly led
Body..
2., powder graphene is placed in volatile organic solvent, ultrasonic disperse obtains graphene dispersing solution.
3., nano-metal particle is placed in activating solution, be cleaned multiple times with clear water after reflux, remove the work in solution
Then compound matter is added volatile organic solvent and obtains dispersion solution of metal nanoparticle.
4., clean smooth substrate 3 is placed in spraying equipment and is heated to 40~100 DEG C, then distinguish
Graphene dispersing solution and dispersion solution of metal nanoparticle are placed in two different spraying inking chambers.First on 3 surface of substrate
Layer graphene dispersion liquid layer is sprayed, since substrate 3 is heated, volatile organic solvent is volatilized rapidly, is just obtained in substrate 3
One layer of uniform graphene layer 2.Then continue to spray one layer of dispersion solution of metal nanoparticle layer on the surface, one is obtained after dry
The metal nano-particle layer 1 of layer.Above-mentioned spraying twice is a coating cycles, which at least carries out 1 time.Material obtained
The thickness of graphene layer 2 is 1nm~1000nm, 1 thickness 1nm~1000nm of metal nano-particle layer in material.
5., to step, 4. material obtained carries out high temperature sintering processing, sintering environment is vacuum environment, and sintering temperature is
600~1000 DEG C, the time is 1~60 minute.
The advantages of multilayered structure of the graphene composite material of the present embodiment makes it preferably show two-component materials, stone
The addition of black alkene layer 2 not only improves its intensity, more enhances the lubricity on its surface.By taking copper as an example, as can be seen from Table 1
The intensity and lubricity on 3 surface of substrate by composite material modification are obviously improved, and wherein case hardness is promoted most bright
Aobvious is example seven, and it is 83.3% to promote percentage, and friction coefficient reduces 47.3%, and the spraying process of the composite material makes
It can carry out surface modification in arbitrary smooth substrate 3, and preferable intensity and lubricity not only reduce the friction of material body
Loss, protects its internal structure intact, and the also smaller energy consumption of lower interface friction has saved resource.
| Substrate | Graphene layer thickness | Copper nano particles layer thickness | Cycle-index | Hardness | Friction coefficient | |
| Comparative example one | Copper coin | - | - | - | 42HB | 0.19 |
| Example one | Copper coin | 5nm | 50nm | 10 | 44HB | 0.11 |
| Example two | Copper coin | 5nm | 100nm | 10 | 51HB | 0.13 |
| Example three | Copper coin | 5nm | 50nm | 20 | 49HB | 0.09 |
| Example four | Copper coin | 5nm | 100nm | 20 | 53HB | 0.12 |
| Example five | Copper coin | 10nm | 50nm | 10 | 75HB | 0.09 |
| Example six | Copper coin | 10nm | 100nm | 10 | 67HB | 0.15 |
| Example seven | Copper coin | 10nm | 50nm | 20 | 77HB | 0.1 |
| Example eight | Copper coin | 10nm | 100nm | 20 | 62HB | 0.11 |
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (5)
1. a kind of production technology of graphene composite material, it is characterised in that：Include the following steps：
1., choose smooth substrate (3), and clean substrate (3) surface；
2., powder graphene is placed in volatile organic solvent, ultrasonic disperse obtains graphene dispersing solution；
3., nano-metal particle is placed in activating solution, be cleaned multiple times with clear water after reflux, remove the activator in solution
Then matter is added volatile organic solvent and obtains dispersion solution of metal nanoparticle；
4., clean smooth substrate (3) is placed in spraying equipment and is heated, then respectively by graphene dispersing solution
It is placed in two different spraying inking chambers with dispersion solution of metal nanoparticle；First in one layer of graphite of substrate (3) surface spraying
Alkene disperses liquid layer, and since substrate (3) is heated, volatile organic solvent is volatilized rapidly, just obtains one layer uniformly in substrate (3)
Graphene layer (2)；Then continue to spray one layer of dispersion solution of metal nanoparticle layer on the surface, one layer of gold is obtained after dry
Metal nano-particle layer (1)；Above-mentioned spraying twice is a coating cycles, which at least carries out 1 time；
5., to step, 4. material obtained carries out high temperature sintering processing.
2. a kind of production technology of graphene composite material according to claim 1, it is characterised in that：The step 1. in
Substrate (3) material of selection is metal either ceramics or semiconductor.
3. a kind of production technology of graphene composite material according to claim 1, it is characterised in that：The step 4. in
Substrate (3) be placed in spraying equipment after be heated to 40~100 DEG C.
4. a kind of production technology of graphene composite material according to claim 1, it is characterised in that：4. the step is made
The thickness of graphene layer (2) is 1nm~1000nm, metal nano-particle layer (1) thickness 1nm~1000nm in the material obtained.
5. a kind of production technology of graphene composite material according to claim 1, it is characterised in that：The step is 5.
Sintering environment is vacuum environment, and sintering temperature is 600~1000 DEG C, and the time is 1~60 minute.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510847934.3A CN105506621B (en) | 2015-11-26 | 2015-11-26 | A kind of graphene composite material and its production technology |
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| CN201510847934.3A CN105506621B (en) | 2015-11-26 | 2015-11-26 | A kind of graphene composite material and its production technology |
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| CN105506621A CN105506621A (en) | 2016-04-20 |
| CN105506621B true CN105506621B (en) | 2018-08-31 |
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| CN107634039A (en) * | 2017-08-01 | 2018-01-26 | 全普光电科技(上海)有限公司 | A kind of heat dissipation film and preparation method thereof |
| CN111195584A (en) * | 2018-11-16 | 2020-05-26 | 北京赛菲斯技术有限公司 | Part surface modification method |
| CN116682597B (en) * | 2023-08-03 | 2023-10-24 | 浙江正泰电器股份有限公司 | Metal-graphene composite conductor and preparation method and application thereof |
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| CN101474899A (en) * | 2009-01-16 | 2009-07-08 | 南开大学 | Grapheme-organic material layered assembling film and preparation method thereof |
| DE102009026655B3 (en) * | 2009-06-03 | 2011-06-30 | Linde Aktiengesellschaft, 80331 | Method of making a metal matrix composite, metal matrix composite and its use |
| CN102148099B (en) * | 2010-12-20 | 2012-09-12 | 电子科技大学 | Graphene dye sensitized solar cell and production method thereof |
| CN102590173B (en) * | 2012-01-19 | 2014-06-11 | 东南大学 | Preparation method for graphene-based surface enhanced Raman scattering probe |
| CN102660740B (en) * | 2012-05-29 | 2014-02-12 | 东南大学 | Graphene and metal nanoparticle composite film preparation method |
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Effective date of registration: 20190911 Address after: 213149 Jiangsu province west of the city of Changzhou Taihu science and Technology Industrial Park orchid Road No. 8 Patentee after: Changzhou two-dimensional warm ene Technology Co., Ltd. Address before: 213000 No. 6 Xiangyun Road, Wujin Economic Development Zone, Jiangsu, Changzhou Patentee before: 2D CARBON (CHANGZHOU) TECH INC., LTD. |