CN109055840A - A kind of sunshade cover board - Google Patents
A kind of sunshade cover board Download PDFInfo
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- CN109055840A CN109055840A CN201811006474.1A CN201811006474A CN109055840A CN 109055840 A CN109055840 A CN 109055840A CN 201811006474 A CN201811006474 A CN 201811006474A CN 109055840 A CN109055840 A CN 109055840A
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- Prior art keywords
- cover board
- magnesium alloy
- sunshade cover
- elm
- matrix
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/14—Twisting
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/06—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of magnesium or alloys based thereon
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/48—Ion implantation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of cover boards, and in particular to a kind of sunshade cover board belongs to automobile-used part material technical field.Sunshade cover board of the present invention is using magnesium alloy as matrix, matrix upper and lower surface is successively arranged the elm bisque after inorganic coagulation material layer and carbonization from inside to outside, wherein matrix with a thickness of 0.12-0.14mm, inorganic coagulation material layer with a thickness of 4-8 μm, elm bisque with a thickness of 4-6 μm.Sunshade cover board of the present invention uses magnesium alloy for matrix, and the elm after carbonization is equipped with by inorganic coagulation material, the carbonization of elm after being wherein carbonized is divided into two processes of thermal decomposition and graphitization of organic matter, elm after carbonization remains porous feature structure, with the raising of carburizing temperature, carbon template apparent porosity becomes larger, and bulk density reduces.
Description
Invention field
The present invention relates to a kind of cover boards, and in particular to a kind of sunshade cover board belongs to automobile-used part material technical field.
Background technique
Sunshade cover board is to be connect by metal buckle with sunshade at present, and vehicle door interior trim fixed point free, sunshade
Installation error is finally accumulated on sunshade cover board, keeps the gap of sunshade cover board and vehicle door interior trim, face difference more difficult to control.Pacifying
During dress, important composition of the sunshade cover board as sunshade, intensity plays an important role, but nowadays in the market,
Sunshade cover board is often because intensity is not enough eliminated.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, high, good mechanical performance sunshade that the invention proposes a kind of intensity
Curtain cover board.
The purpose of the present invention is realized by following technical solution: a kind of sunshade cover board, the sunshade cover board is with magnesium
Alloy is matrix, and matrix upper and lower surface is successively arranged the elm bisque after inorganic coagulation material layer and carbonization from inside to outside, wherein
Matrix with a thickness of 0.12-0.14mm, inorganic coagulation material layer with a thickness of 4-8 μm, elm bisque with a thickness of 4-6 μm.
Sunshade cover board of the present invention uses magnesium alloy for matrix, and is equipped with the elm after carbonization by inorganic coagulation material,
The carbonization of elm after being wherein carbonized is divided into two processes of thermal decomposition and graphitization of organic matter, and the elm after carbonization remains more
The feature structure in hole, with the raising of carburizing temperature, carbon template apparent porosity becomes larger, and bulk density reduces.
In a kind of above-mentioned sunshade cover board, the magnesium alloy is the component of following mass percent: C:1.8-2.5%,
Zn:1.2-2.4%, Cu:0.1-0.2%, Si:0.2-0.7%, Ti≤1%, Re:0.5-1.0%, Ni :≤1%, surplus is
Mg.Wherein, the creep-resistant property of casting can be improved in Zn, but can be to the Corrosion Protection of alloy when Zn content is more than 2.5%
There is negative effect.Zn can increase fluidity of molten, and weak grain refiner to form Micro shrinkage tendency, there is precipitation strength work
With.Cu is that the element of influence magnesium alloy corrosion stability can reduce magnesium alloy corrosion stability, but in magnesium alloy within a certain range of addition
The middle Cu element that is added can improve the elevated temperature strength of alloy.
Pass through ion implantation technique in a kind of above-mentioned sunshade cover board, in the magnesium alloy and injects Os ion.By
Os particle is added in alloy surface, with the superhard overweight characteristic of this kind of metallic particles in surface layer, formed in the alloy it is dotted " in
The heart ", center has overweight characteristic in the system, so slight original position can be passed through when by external force or stress impact
It vibrates and plays the role of decaying, and since the mass density at the overweight center is much higher than the quality of its adjacent material, make
Using the center be core with the trend for assembling stress to center in material, gather to play stress in entire material
Effect so that when material is by external impacts, the stress transfer in material is concentrated to center, thus by heart failure in this
Subtract absorption；In transmittance process island portion then can and rotating, vibrating decay stress one step ahead, while can be to foveal reflex
Residual stress further cut down, and the function of traditional connection crystallization and defect etc. is then not only played in line part；
It can also be decayed by its elastic vibration when by stress impact and promote stress reversal.And in surface layer middle line portion
Separating/enriching area can then play the role of multiple " interference " decaying, be conducive to cancelling out each other between stress, thus using entire
System realizes the decaying to impact stress, to greatly improve the shock resistance of steel.
Preferably, the injection rate of the Os is the 0.05-0.08% of quality of magnesium alloy.
In a kind of above-mentioned sunshade cover board, the inorganic coagulation material is magnesium phosphate cement, the magnesium phosphate glue
The material flow degree of gel material is 200-250mm.The main function of cementitious material is bonded to by supporting material, with strenthening member
It is whole, load is transmitted between fiber, and be uniformly distributed load, give full play to the effect of supporting material.In common cementitious material
Field, organic cementitious material are widely used one kind, but since its matter is crisp, heat resistance is poor, and (fusing point is less than 80
DEG C), the disadvantages of when curing reaction generates internal stress, and construction is inconvenient.Therefore the present invention uses inorganic coagulation material, and preferred phosphorus
Sour magnesium cementitious material has the characteristics that quick setting and rapid hardening, wear-resisting property are excellent.
In a kind of above-mentioned sunshade cover board, for the stable timber after carbonization treatment, wood fibre hole is highly integrated,
The internal stress for eliminating timber keeps timber firmer, and no longer expand with heat and contract with cold, and the wooden unit after carbonization has heat absorption to keep the temperature
Effect, timber is after carbonization treatment, and wood fibre hole is intensive, concentrates, therefore there are also water-proof functions；Timber is by high temperature
After reason, it is wooden in organic matter all decompose denaturation, make fungi without living space.
It is another object of the present invention to provide a kind of preparation method of above-mentioned sunshade cover board, the preparation method tool
Body includes the following steps:
The preparation of matrix: raw material magnesium alloy is weighed, is poured into the mold for being pre-heated to 100-400 DEG C after thawing, then
It is heat-treated, then by Os ion implanting magnesium alloy, magnesium alloy substrate is made；
It is last high in the successively elm powder after coating inorganic cementitious material and carbonization of layer surface up and down of magnesium alloy substrate
Pressure, which is reversed, is made sunshade cover board.
In a kind of above-mentioned preparation method of sunshade cover board, the heat treatment includes the following steps: the magnesium that will solidify conjunction
Gold carries out solution treatment in 390-420 DEG C of heat preservation 6-8h.Heat treatment can improve the microstructure of alloy, thus to its corrosivity
It can have an impact, but heat treatment time is too long, low-alloyed corrosion resisting property can drop in the generation of coarse tissue and precipitated phase again.
As can be seen that the corrosion rate trend of alloy is also to present first to increase to subtract afterwards, mainly due to just starting because of sulfuric acid in etchant solution
The presence of radical ion forms spot corrosion, so that corrosion rate rises, the corrosion products film that then alloy surface is formed hinders alloy
Corrosion so that corrosion rate decline.
In a kind of above-mentioned preparation method of sunshade cover board, the acceleration voltage when ion implanting is 40-42kV, note
Entering dosage is 5*105ions/cm2.The process on ion implanting surface, injecting depth and concentration may be selected, and injection mode is to use
High-voltage ion beam is got on the target of placement in a vacuum chamber.The ion of bombardment and the electronics of matrix surface and atomic collision simultaneously disappear
Its energy is exhausted, being injected into the depth of matrix surface is several to several hundred nm.It injects depth and depends on selected voltage, matrix
On ion and atomic quantity.The maximum concentration of injection ion is often referred to matrix surface or less, injects the concentration distribution of ion i.e.
Depth-concentration distribution in matrix section follows Gaussian Profile.
In a kind of above-mentioned preparation method of sunshade cover board, the temperature of the high pressure torsion is 200-250 DEG C, twist collar
Number is that 8-10 is enclosed.There are the lattice defects such as a large amount of dislocations, Non-equilibrium Grain Boundary in difference circle number matrix of samples；There are two kinds in tissue
Interface, original interface and the interface newly-generated because of Particle Breakage containing layer.Two kinds of interface cohesions are good, and interface element is mutual
Diffusion；With the increase of twist collar number, composite material tensile strength increases, and elongation percentage obtains larger raising.Analysis finds high pressure
Different circle arrays knit a large amount of lattice defects and small grains of interior generation after torsion, promote the phase counterdiffusion of interface element, make
Interface cohesion is good, while the generation of a large amount of lattice defects and small grains and the interface being well combined are Compound Material Engineerings
The main reason for performance is substantially improved.
Compared with prior art, the present invention has the advantage that
1, sunshade cover board of the present invention uses magnesium alloy for matrix, and is equipped with the elm after carbonization by inorganic coagulation material
Wood, wherein the carbonization of the elm after carbonization is divided into two processes of thermal decomposition and graphitization of organic matter, the elm after carbonization retains
Porous feature structure, with the raising of carburizing temperature, carbon template apparent porosity becomes larger, and bulk density reduces；
2, sunshade cover board of the present invention uses certain preparation method, and combines high pressure torsion, to obtain a large amount of lattices
The generation of defect and small grains, and the interfacial force being well combined, to improve the mechanical performance of sunshade cover board.
Specific embodiment
The following is specific embodiments of the present invention, and technical scheme of the present invention will be further described, but the present invention is simultaneously
It is not limited to these embodiments.
Embodiment 1
The preparation of matrix: raw material magnesium alloy is weighed, is poured into after thawing in the mold for being pre-heated to 100 DEG C, is then carried out
Magnesium alloy substrate is made then by Os ion implanting magnesium alloy in heat treatment；Wherein, matrix with a thickness of 0.12mm, inorganic glue
Gel material layer with a thickness of 4 μm, elm bisque with a thickness of 4 μm；The magnesium alloy is the component of following mass percent: C:
1.8%, Zn:1.2%, Cu:0.1%, Si:0.2%, Ti:0.05%, Re:0.5%, Ni:0.05%, surplus Mg；The Os
Injection rate be quality of magnesium alloy 0.05%；The inorganic coagulation material is magnesium phosphate cement, the magnesium phosphate gelling
The material flow degree of material is 200mm；The heat treatment include the following steps: the magnesium alloy that will solidify 390 DEG C of heat preservation 6h into
Row solution treatment；The acceleration voltage when ion implanting is 40kV, implantation dosage 5*105ions/cm2；
It is last high in the successively elm powder after coating inorganic cementitious material and carbonization of layer surface up and down of magnesium alloy substrate
Pressure, which is reversed, is made sunshade cover board, and the temperature of the high pressure torsion is 200 DEG C, and twist collar number is 8 circles.
Embodiment 2
The preparation of matrix: raw material magnesium alloy is weighed, is poured into after thawing in the mold for being pre-heated to 200 DEG C, is then carried out
Magnesium alloy substrate is made then by Os ion implanting magnesium alloy in heat treatment；Wherein, matrix with a thickness of 0.125mm, it is inorganic
Cementitious material layer with a thickness of 5 μm, elm bisque with a thickness of 4.5 μm；The magnesium alloy is the component of following mass percent:
C:2%, Zn:1.6%, Cu:0.12%, Si:0.4%, Ti:0.08%, Re:0.6%, Ni:0.12%, surplus Mg；It is described
The injection rate of Os is the 0.06% of quality of magnesium alloy；The inorganic coagulation material is magnesium phosphate cement, the magnesium phosphate glue
The material flow degree of gel material is 210mm；The heat treatment includes the following steps: that the magnesium alloy that will be solidified is kept the temperature at 400 DEG C
6.5h carries out solution treatment；The acceleration voltage when ion implanting is 40.5kV, implantation dosage 5*105ions/cm2；
It is last high in the successively elm powder after coating inorganic cementitious material and carbonization of layer surface up and down of magnesium alloy substrate
Pressure, which is reversed, is made sunshade cover board, and the temperature of the high pressure torsion is 210 DEG C, and twist collar number is 8 circles.
Embodiment 3
The preparation of matrix: raw material magnesium alloy is weighed, is poured into after thawing in the mold for being pre-heated to 250 DEG C, is then carried out
Magnesium alloy substrate is made then by Os ion implanting magnesium alloy in heat treatment；Wherein, matrix with a thickness of 0.13mm, inorganic glue
Gel material layer with a thickness of 6 μm, elm bisque with a thickness of 5 μm；The magnesium alloy is the component of following mass percent: C:
2.1%, Zn:1.8%, Cu:0.15%, Si:0.45%, Ti:0.5%, Re:0.75%, Ni:0.85%, surplus Mg；It is described
The injection rate of Os is the 0.065% of quality of magnesium alloy；The inorganic coagulation material is magnesium phosphate cement, the magnesium phosphate glue
The material flow degree of gel material is 225mm；The heat treatment includes the following steps: the magnesium alloy that will be solidified in 405 DEG C of heat preservation 7h
Carry out solution treatment；The acceleration voltage when ion implanting is 41kV, implantation dosage 5*105ions/cm2；
It is last high in the successively elm powder after coating inorganic cementitious material and carbonization of layer surface up and down of magnesium alloy substrate
Pressure, which is reversed, is made sunshade cover board, and the temperature of the high pressure torsion is 225 DEG C, and twist collar number is 9 circles.
Embodiment 4
The preparation of matrix: raw material magnesium alloy is weighed, is poured into after thawing in the mold for being pre-heated to 350 DEG C, is then carried out
Magnesium alloy substrate is made then by Os ion implanting magnesium alloy in heat treatment；Wherein, matrix with a thickness of 0.135mm, it is inorganic
Cementitious material layer with a thickness of 7 μm, elm bisque with a thickness of 5.5 μm；The magnesium alloy is the component of following mass percent:
C:2.3%, Zn:2.2%, Cu:0.18%, Si:06%, Ti:0.25%, Re:0.85%, Ni:0.65%, surplus Mg；Institute
The injection rate for stating Os is the 0.07% of quality of magnesium alloy；The inorganic coagulation material is magnesium phosphate cement, the magnesium phosphate
The material flow degree of cementitious material is 2450mm；The heat treatment includes the following steps: that the magnesium alloy that will be solidified is kept the temperature at 410 DEG C
7.5h carries out solution treatment；The acceleration voltage when ion implanting is 41.5kV, implantation dosage 5*105ions/cm2；
It is last high in the successively elm powder after coating inorganic cementitious material and carbonization of layer surface up and down of magnesium alloy substrate
Pressure, which is reversed, is made sunshade cover board, and the temperature of the high pressure torsion is 240 DEG C, and twist collar number is 9 circles.
Embodiment 5
The preparation of matrix: raw material magnesium alloy is weighed, is poured into after thawing in the mold for being pre-heated to 400 DEG C, is then carried out
Magnesium alloy substrate is made then by Os ion implanting magnesium alloy in heat treatment；Wherein, matrix with a thickness of 0.14mm, inorganic glue
Gel material layer with a thickness of 8 μm, elm bisque with a thickness of 6 μm；The magnesium alloy is the component of following mass percent: C:
2.5%, Zn:2.4%, Cu:0.2%, Si:0.7%, Ti:0.03%, Re:1.0%, Ni:0.37%, surplus Mg；The Os
Injection rate be quality of magnesium alloy 0.08%；The inorganic coagulation material is magnesium phosphate cement, the magnesium phosphate gelling
The material flow degree of material is 250mm；The heat treatment include the following steps: the magnesium alloy that will solidify 420 DEG C of heat preservation 8h into
Row solution treatment；The acceleration voltage when ion implanting is 42kV, implantation dosage 5*105ions/cm2；
It is last high in the successively elm powder after coating inorganic cementitious material and carbonization of layer surface up and down of magnesium alloy substrate
Pressure, which is reversed, is made sunshade cover board, and the temperature of the high pressure torsion is 250 DEG C, and twist collar number is 10 circles.
Embodiment 6
Difference with embodiment 3 is only that the magnesium alloy in the embodiment sunshade cover board is common commercially available magnesium alloy,
He is same as Example 3, and details are not described herein again.
Embodiment 7
Difference with embodiment 3 is only that, is not injected into Os ion in the magnesium alloy of the embodiment sunshade cover board, other
Same as Example 3, details are not described herein again.
Embodiment 8
Difference with embodiment 3 is only that the injection rate of Os is magnesium in the magnesium alloy materials of the embodiment sunshade cover board
The 0.045% of alloy mass, other are same as Example 3, and details are not described herein again.
Embodiment 9
Difference with embodiment 3 is only that the injection rate of Os is magnesium in the magnesium alloy materials of the embodiment sunshade cover board
The 0.085% of alloy mass, other are same as Example 3, and details are not described herein again.
Embodiment 10
Difference with embodiment 3 is only that inorganic coagulation material is common commercially available gelling in the embodiment sunshade cover board
Material, other are same as Example 3, and details are not described herein again.
Embodiment 11
Difference with embodiment 3 is only that, the heat treatment of the embodiment sunshade cover board is common heat treatment, other and reality
Apply that example 3 is identical, and details are not described herein again.
Embodiment 12
Difference with embodiment 3 is only that, the acceleration voltage when ion implanting of the embodiment sunshade cover board is 39kV,
Other are same as Example 3, and details are not described herein again.
Embodiment 13
Difference with embodiment 3 is only that, the acceleration voltage when ion implanting of the embodiment sunshade cover board is 43kV,
Other are same as Example 3, and details are not described herein again.
Embodiment 14
Difference with embodiment 3 is only that the temperature of the high pressure torsion of the embodiment sunshade cover board is 195 DEG C, other
Same as Example 3, details are not described herein again.
Embodiment 15
Difference with embodiment 3 is only that the temperature of the high pressure torsion of the embodiment sunshade cover board is 205 DEG C, other
Same as Example 3, details are not described herein again.
Embodiment 16
Difference with embodiment 3 is only that the twist collar number of the high pressure torsion of the embodiment sunshade cover board is 7 circles,
He is same as Example 3, and details are not described herein again.
Embodiment 17
Difference with embodiment 3 is only that the twist collar number of the high pressure torsion of the embodiment sunshade cover board is 11 circles,
He is same as Example 3, and details are not described herein again.
Comparative example 1
Difference with embodiment 3 is only that, which is made of common commercially available material, other and reality
Apply that example 3 is identical, and details are not described herein again.
Comparative example 2
Difference with embodiment 3 is only that do not have coating inorganic cementitious material in the comparative example sunshade cover board, other with
Embodiment 3 is identical, and details are not described herein again.
Comparative example 3
Difference with embodiment 3 is only that do not have to coat the elm bisque after being carbonized in the comparative example sunshade cover board,
He is same as Example 3, and details are not described herein again.
Comparative example 4
Difference with embodiment 3 is only that do not have coating inorganic cementitious material layer and carbon in the comparative example sunshade cover board
Elm bisque after change, other are same as Example 3, and details are not described herein again.
Sunshade cover board made from above-described embodiment 1-17 and comparative example 1-4 is subjected to performance detection, testing result such as table 1
It is shown:
Table 1: sunshade cover board performance test results made from embodiment 1-17 and comparative example 1-4
It can be seen from the results above that sunshade cover board of the present invention uses magnesium alloy for matrix, and pass through inorganic gel material
Material is equipped with the elm after carbonization, wherein the carbonization of the elm after carbonization is divided into two processes of thermal decomposition and graphitization of organic matter,
Elm after carbonization remains porous feature structure, and with the raising of carburizing temperature, carbon template apparent porosity becomes larger, and volume is close
Degree reduces；Also, sunshade cover board of the present invention uses certain preparation method, and combines high pressure torsion, to obtain a large amount of crystalline substances
The generation of lattice defect and small grains, and the interfacial force being well combined, to improve the mechanical performance of sunshade cover board.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can do various modifications or supplement or is substituted in a similar manner to described specific embodiment, but simultaneously
Spirit or beyond the scope defined by the appended claims of the invention is not deviated by.
It is skilled to this field although present invention has been described in detail and some specific embodiments have been cited
For technical staff, as long as it is obvious for can making various changes or correct without departing from the spirit and scope of the present invention.
Claims (9)
1. a kind of sunshade cover board, which is characterized in that the sunshade cover board is using magnesium alloy as matrix, and matrix upper and lower surface is by interior
To be successively arranged outside inorganic coagulation material layer and carbonization after elm bisque, wherein matrix with a thickness of 0.12-0.14mm, it is inorganic
Cementitious material layer with a thickness of 4-8 μm, elm bisque with a thickness of 4-6 μm.
2. a kind of sunshade cover board according to claim 1, which is characterized in that the magnesium alloy is following mass percent
Component: C:1.8-2.5%, Zn:1.2-2.4%, Cu:0.1-0.2%, Si:0.2-0.7%, Ti≤1%, Re:0.5-
1.0%, Ni :≤1%, surplus Mg.
3. a kind of sunshade cover board according to claim 1, which is characterized in that pass through ion implanting skill in the magnesium alloy
Art injects Os ion.
4. a kind of sunshade cover board according to claim 3, which is characterized in that the injection rate of the Os is quality of magnesium alloy
0.05-0.08%.
5. a kind of sunshade cover board according to claim 1, which is characterized in that the inorganic coagulation material is magnesium phosphate glue
Gel material, the material flow degree of the magnesium phosphate cement are 200-250mm.
6. a kind of preparation method of sunshade cover board as described in claim 1, which is characterized in that the preparation method is specifically wrapped
Include following steps:
The preparation of matrix: raw material magnesium alloy is weighed, is poured into the mold for being pre-heated to 100-400 DEG C after thawing, is then carried out
Magnesium alloy substrate is made then by Os ion implanting magnesium alloy in heat treatment；
In the layer surface up and down of magnesium alloy substrate, successively the elm powder after coating inorganic cementitious material and carbonization, last high pressure are turned round
The transformation of ownership obtains sunshade cover board.
7. a kind of preparation method of sunshade cover board according to claim 6, which is characterized in that the heat treatment includes such as
Lower step: the magnesium alloy of solidification is subjected to solution treatment in 390-420 DEG C of heat preservation 6-8h.
8. a kind of preparation method of sunshade cover board according to claim 6, which is characterized in that when the ion implanting
Acceleration voltage is 40-42kV, implantation dosage 5*105ions/cm2。
9. a kind of preparation method of sunshade cover board according to claim 6, which is characterized in that the temperature of the high pressure torsion
Degree is 200-250 DEG C, and twist collar number is 8-10 circle.
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| CN201811006474.1A CN109055840A (en) | 2018-08-30 | 2018-08-30 | A kind of sunshade cover board |
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| CN201811006474.1A CN109055840A (en) | 2018-08-30 | 2018-08-30 | A kind of sunshade cover board |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389588A (en) * | 2011-11-07 | 2012-03-28 | 郑州大学 | Magnesium or magnesium alloy material used for biological implantation and preparation method thereof |
| CN103215531A (en) * | 2013-04-25 | 2013-07-24 | 东南大学 | Preparation method of nanocrystalline magnesium alloy by continuous and severe plastic deformation |
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| CN103215531A (en) * | 2013-04-25 | 2013-07-24 | 东南大学 | Preparation method of nanocrystalline magnesium alloy by continuous and severe plastic deformation |
| CN104451631A (en) * | 2014-12-04 | 2015-03-25 | 常州大学 | Simple coating method for magnesium and magnesium alloy surfaces |
| CN106438327A (en) * | 2016-08-31 | 2017-02-22 | 宁波钱湖石油设备有限公司 | Power end of reciprocating pump |
| CN107841666A (en) * | 2017-11-29 | 2018-03-27 | 宁波市鄞州隆茂冲压件厂 | A kind of support |
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