CN202448410U - Composite material taking magnesium alloy as matrix - Google Patents
Composite material taking magnesium alloy as matrix Download PDFInfo
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- CN202448410U CN202448410U CN2011205748222U CN201120574822U CN202448410U CN 202448410 U CN202448410 U CN 202448410U CN 2011205748222 U CN2011205748222 U CN 2011205748222U CN 201120574822 U CN201120574822 U CN 201120574822U CN 202448410 U CN202448410 U CN 202448410U
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- magnesium alloy
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- matrix
- carbon fiber
- epoxy resin
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Abstract
The utility model belongs to the technical field of composite material manufacturing, and particularly relates to a composite material taking magnesium alloy as a matrix. The composite material comprises a magnesium alloy part; a microarc oxidation film is manufactured on the outer surface of the magnesium alloy part through taking the magnesium alloy part as the matrix; and a carbon filter epoxy resin layer is coated and cured on the outer surface of the microarc oxidation film. The composite material has advantages of the carbon fiber and the magnesium alloy at the same time, low density, high specific strength, high specific stiffness, and favorable damping performance and decorative performance; and the carbon fiber/epoxy resin material on the outer layer effectively protects the magnesium alloy, and improves the corrosion resistance of the composite material greatly. In addition, the use of the magnesium alloy also reduces the use amount of the carbon fiber, and compared with the carbon fiber composite material with the same performance, the composite material has a lower cost, thereby having a wider application prospect.
Description
Technical field
The utility model belongs to the manufacture technology of composite material field, and being specifically related to a kind of is the composite of matrix with the magnesium alloy.
Background technology
In metal material; Magnesium alloy has that density is little, specific strength and the high advantage of specific stiffness; It also has good damping shock absorption performance simultaneously, and the magnesium alloy reserves are abundant, is easy to recycle; Thereby as a kind of lightweight structural material that collects many advantages, magnesium alloy has been widely used in 3C Product and has made field (so-called " 3C Product " is computer (Computer), communication (Communication) and consumer electronics product (ConsumerElectronics)).In addition, from the consideration of energy-saving and emission-reduction, car lightization becomes a main trend gradually, so magnesium alloy is applied to again on the car body of automobile.Though magnesium alloy has its advantage, still, its hear resistance, corrosion resistance, wearability and ornamental all poor remedy its defective so magnesium alloy need carry out various surface treatments, and strengthen various performances.
Carbon fiber/epoxy resin composite material not only has advantages such as light weight, specific strength height, good corrosion resistance, and the surface can make weave pattern special and attractive in appearance, have excellent decoration property.But the carbon fiber price is more expensive, and its composite material process planning is complicated, has influenced its use in the product for civilian use.
The utility model content
It is the composite of matrix with the magnesium alloy that the utility model provides a kind of.The utility model is with magnesium alloy and carbon fiber/epoxy resin composite material perfect adaptation; Prepare a kind of composite, have the composite of two kinds of material advantages simultaneously concurrently, abandoned two kinds of material shortcomings again; And can greatly reduce the consumption of various materials, reduce manufacturing cost.Carbon fiber/epoxy resin/the composite material of magnesium alloy of the utility model can be widely used in the car body and the structural element of automobile.
The utility model is taked following technical scheme: be the composite of matrix with the magnesium alloy; Comprise magnesium alloy member; With the magnesium alloy member is matrix, and at outer surface system one deck differential arc oxidation film layer of magnesium alloy member, the outer surface of said differential arc oxidation film layer coats and the curing carbon fiber epoxy resin layer.
Preferably, the thickness of magnesium alloy member is 0.6mm～2mm.
Preferably, the thickness of differential arc oxidation film layer is 10 μ m～50 μ m.
The invention also discloses a kind of is the method for composite material of matrix with the magnesium alloy; Mainly comprise following three steps: the moulding of the processing of the preparation of carbon fiber prepreg, the moulding of magnesium alloy member and micro-arc oxidation films, composite, specifically carry out as follows:
(1) preparation of carbon fiber prepreg: matrix resin is dissolved in processes resin solution in the non-activated thinner, the solid content of resin solution is 30%～70%; To be compiled into prepreg through said resin solution carbon fibres (technology that can adopt wet method to twine) then; Then prepreg is placed the ventilation, remove the diluent in the prepreg, for use;
(2) processing of the moulding of magnesium alloy member and micro-arc oxidation films: at first, magnesium alloy member is processed required shape; At outer surface system one deck differential arc oxidation film layer of magnesium alloy member, this micro-arc oxidation films has porous and with magnesium alloy substrate good bonding force is arranged then; The magnesium alloy member that makes is placed in the dry environment through washing and heated-air drying, and is for use; (in this step, can adopt extrusion process that magnesium alloy member is processed required shape; Preferably, the wall thickness of magnesium alloy member is about 0.6mm～2mm; The thickness of micro-arc oxidation films is for being about 10 μ m～50 μ m.)
(3) moulding of composite: the carbon fiber prepreg in (1) step is coated on the outer surface of (2) magnesium alloy member that makes of step, will coats the magnesium alloy member of getting well then and place mould, curing molding under certain temperature and pressure; In the curing molding process, epoxy resin can infiltrate in the hole of micro-arc oxidation films, thereby makes outer field carbon fibre composite and internal layer magnesium alloy member material have good bonding force.Obtain carbon fiber/epoxy resin/composite material of magnesium alloy after the demoulding.
Annotate: in the above-mentioned manufacturing approach, (1) step exchanged with (2) step, also can reach the purpose of the utility model, no longer detailed.
Preferably, non-active solvent is metacetone, butanone, cyclohexanone or acetone.
Preferably, matrix resin is formulated by epoxy resin, curing agent and promoter.
Further preferred, the epoxy resin in the matrix resin is formulated by glycidol ether type epoxy, glycidyl amine type epoxy resin and phenol aldehyde type epoxy resin, and the softening point of this epoxy resin is at 30 ℃～35 ℃.
Further preferred, the mass percent of glycidol ether type epoxy is 10%～70%, and the mass percent of described glycidyl amine type epoxy resin is 10%～50%, and the mass fraction of described phenol aldehyde type epoxy resin is 20%～80%.
Preferably, the curing agent of matrix resin is by dicyandiamide and 4, and 4 '-DADPS is formulated, and described promoter is organic urea.
Preferably; Magnesium alloy member adopts AZ (Mg-Al-Zn) series (like AZ91), AM (Mg-Al-Mn) series (like AM60), AS (Mg-Al-Si) series (like AS41) or AE (Mg-Al-RE) series (like AEA2), and in addition other magnesium alloy that adds various metallic elements all can use.
Preferably, in (2) step, adopt environment-friendly type to safeguard that oxidation technology is at Mg alloy surface system one deck differential arc oxidation film layer; Employed electrolyte is formed as follows: potassium hydroxide 3g/L～50g/L; Boric acid 10g/L～30g/L, sodium tetraborate 10g/L～20g/L, two hydration disodium citrate 10g/L～20g/L; Sodium metaaluminate 10g/L～20g/L, sodium metasilicate 10g/L～20g/L; The electrode solution temperature is 20～30 ℃; The current density of using is 1A/dm
2～10A/dm
2Oxidization time is 3min～10min.
Preferably, in (3) step, the forming process of composite: the carbon fiber prepreg that will dry is fitted in the outer surface of magnesium alloy member; Be placed in the mould then; Mould is transferred on the hot pressing board, by the speed of 3～15 ℃/min temperature is risen to 180 ℃, in 180 ℃ of constant temperature 30～60min; During isothermal curing, the pressure of hot press is 3～10Mpa; Remove pressure after solidifying end, the temperature of mould is reduced to the back demoulding below 50 ℃.
The utility model composite possesses the advantage of carbon fiber and magnesium alloy simultaneously; Its density is little, specific strength is high, specific stiffness is high; Has good damping shock absorption performance and ornamental; Outer field carbon fiber/epoxy resin material has effectively been protected magnesium alloy, and has significantly improved the corrosion resistance of composite.In addition, the use of magnesium alloy has also reduced the consumption of carbon fiber, compares with the carbon fibre composite of equal performance, and its cost is lower, thereby makes this composite have application prospect widely.
Description of drawings
Fig. 1 is to be the structural representation of the composite of matrix with the magnesium alloy.
The specific embodiment
Below in conjunction with embodiment the utility model is described further.
As shown in Figure 1; The utility model is the composite of matrix with the magnesium alloy; Comprise magnesium alloy member 1, differential arc oxidation film layer 2, carbon fiber ring epoxy layer 3, the thickness of magnesium alloy member 1 is about 0.6mm～2mm, is matrix with magnesium alloy member 1; Be about the differential arc oxidation film layer 2 of 10 μ m～50 μ m at outer surface system one layer thickness of magnesium alloy member 1, the outer surface of differential arc oxidation film layer 2 coats and curing carbon fiber epoxy resin layer 3.Wherein, Resin in the carbon fiber ring epoxy layer 3 can infiltrate porous differential arc oxidation film layer 2 in the building-up process of the utility model composite; Like this; Both improve the adhesion between each layer, and made epoxy resin that certain shrink and expansion space are arranged again, alleviated contraction and tensile stress between each layer.
The utility model is disclosed to be the method for composite material of matrix with the magnesium alloy, carries out as follows:
(1) preparation of carbon fiber prepreg: matrix resin is dissolved in processes resin solution in the non-activated thinner, the solid content of resin solution is 30%～70%; To adopt the technics institution that wet method is twined to become prepreg through said resin solution carbon fibres then; Then prepreg is placed the ventilation, remove the diluent in the prepreg, for use;
In this step, non-active solvent can be selected metacetone, butanone, cyclohexanone or acetone for use.
In this step, matrix resin is formulated by epoxy resin, curing agent and promoter; Epoxy resin in the matrix resin is formulated by glycidol ether type epoxy, glycidyl amine type epoxy resin and phenol aldehyde type epoxy resin, and the softening point of this epoxy resin is at 30 ℃～35 ℃; The mass percent of glycidol ether type epoxy is 10%～70%, and the mass percent of glycidyl amine type epoxy resin is 10%～50%, and the mass fraction of phenol aldehyde type epoxy resin is 20%～80%.The curing agent of matrix resin is by dicyandiamide and 4, and 4 '-DADPS is formulated, and described promoter is organic urea.
(2) processing of the moulding of magnesium alloy member and micro-arc oxidation films: at first, adopt extrusion process that magnesium alloy member is processed required shape, the wall thickness of magnesium alloy member is about 0.6mm～2mm; Adopt environment-friendly type to safeguard that oxidation technology is the differential arc oxidation film layer that is about 10 μ m～50 μ m at outer surface system one layer thickness of magnesium alloy member then; Environment-friendly type is safeguarded the employed electrolyte composition of oxidation technology as follows: potassium hydroxide 3g/L～50g/L; Boric acid 10g/L～30g/L, sodium tetraborate 10g/L～20g/L, two hydration disodium citrate 10g/L～20g/L; Sodium metaaluminate 10g/L～20g/L, sodium metasilicate 10g/L～20g/L; The electrode solution temperature is 20～30 ℃; The current density of using is 1A/dm
2～10A/dm
2Oxidization time is 3min～10min.This micro-arc oxidation films has porous and with magnesium alloy substrate good bonding force is arranged; The magnesium alloy member that makes is placed in the dry environment through washing and heated-air drying, and is for use;
In this step; Magnesium alloy member can adopt AZ (Mg-Al-Zn) series (like AZ91), AM (Mg-Al-Mn) series (like AM60), AS (Mg-Al-Si) series (like AS41) or AE (Mg-Al-RE) series (like AEA2); In addition, other magnesium alloy that adds various metallic elements all can use.
(3) moulding of composite: the outer surface that (1) carbon fiber prepreg that dries of step is coated and is fitted in the magnesium alloy member that (2) step made; Be placed in the mould then; Mould is transferred on the hot pressing board, by the speed of 3～15 ℃/min temperature is risen to 180 ℃, in 180 ℃ of constant temperature 30～60min; During isothermal curing, the pressure of hot press is 3～10Mpa; Remove pressure after solidifying end, the temperature of mould is reduced to the back demoulding below 50 ℃, obtain carbon fiber/epoxy resin/composite material of magnesium alloy after the demoulding.
In the curing molding process, epoxy resin can infiltrate in the hole of micro-arc oxidation films, thereby makes outer field carbon fibre composite and internal layer magnesium alloy member material have good bonding force.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the utility model; And be not as the qualification to the utility model, as long as in the scope of the utility model, to the variation of above embodiment, the protection domain that modification all will drop on the utility model.
Claims (3)
1. be the composite of matrix with the magnesium alloy, comprise magnesium alloy member, it is characterized in that: be matrix with the magnesium alloy member, at outer surface system one deck differential arc oxidation film layer of magnesium alloy member, the outer surface of said differential arc oxidation film layer coats and the curing carbon fiber epoxy resin layer.
2. as claimed in claim 1 is the composite of matrix with the magnesium alloy, it is characterized in that: the thickness of magnesium alloy member is 0.6mm～2mm.
3. as claimed in claim 1 is the composite of matrix with the magnesium alloy, it is characterized in that: the thickness of differential arc oxidation film layer is 10 μ m～50 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205748222U CN202448410U (en) | 2011-12-31 | 2011-12-31 | Composite material taking magnesium alloy as matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205748222U CN202448410U (en) | 2011-12-31 | 2011-12-31 | Composite material taking magnesium alloy as matrix |
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| Publication Number | Publication Date |
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| CN202448410U true CN202448410U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205748222U Expired - Fee Related CN202448410U (en) | 2011-12-31 | 2011-12-31 | Composite material taking magnesium alloy as matrix |
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| CN (1) | CN202448410U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582146A (en) * | 2011-12-31 | 2012-07-18 | 杭州超探新材料科技有限公司 | Composite material with magnesium alloy as base body and manufacturing method thereof |
| CN105780086A (en) * | 2016-03-10 | 2016-07-20 | 北京航空航天大学 | Preparation method for interlayer porous structure insulating film of carbon fiber magnesium alloy laminated plate |
| CN108148222A (en) * | 2017-12-26 | 2018-06-12 | 长沙新材料产业研究院有限公司 | A kind of alloy profile and preparation method thereof |
-
2011
- 2011-12-31 CN CN2011205748222U patent/CN202448410U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582146A (en) * | 2011-12-31 | 2012-07-18 | 杭州超探新材料科技有限公司 | Composite material with magnesium alloy as base body and manufacturing method thereof |
| CN102582146B (en) * | 2011-12-31 | 2015-03-11 | 杭州超探新材料科技有限公司 | Composite material with magnesium alloy as base body and manufacturing method thereof |
| CN105780086A (en) * | 2016-03-10 | 2016-07-20 | 北京航空航天大学 | Preparation method for interlayer porous structure insulating film of carbon fiber magnesium alloy laminated plate |
| CN108148222A (en) * | 2017-12-26 | 2018-06-12 | 长沙新材料产业研究院有限公司 | A kind of alloy profile and preparation method thereof |
| CN108148222B (en) * | 2017-12-26 | 2020-04-17 | 长沙新材料产业研究院有限公司 | Alloy profile and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Composite material with magnesium alloy as base body and manufacturing method thereof Effective date of registration: 20150122 Granted publication date: 20120926 Pledgee: Shanghai Pudong Development Bank Hangzhou branch of Limited by Share Ltd Baochu Pledgor: Hangzhou Chaotan New Material Tech. Co., Ltd. Registration number: 2015330000006 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160323 Granted publication date: 20120926 Pledgee: Shanghai Pudong Development Bank Hangzhou branch of Limited by Share Ltd Baochu Pledgor: Hangzhou Chaotan New Material Tech. Co., Ltd. Registration number: 2015330000006 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20201231 |