CN108660489A - A kind of preparation method in aperture and the agonic three-dimensional porous metal material of physical property - Google Patents
A kind of preparation method in aperture and the agonic three-dimensional porous metal material of physical property Download PDFInfo
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- CN108660489A CN108660489A CN201810580338.7A CN201810580338A CN108660489A CN 108660489 A CN108660489 A CN 108660489A CN 201810580338 A CN201810580338 A CN 201810580338A CN 108660489 A CN108660489 A CN 108660489A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/08—Perforated or foraminous objects, e.g. sieves
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Abstract
The invention discloses a kind of preparation methods of the agonic three-dimensional porous metal material in aperture and physical property, including with 3D printer, print the uniform matrix of porous structure, at least provided with 1 blind hole on matrix, obtain band blind hole matrix；Conductive processing will be passed through with blind hole matrix, obtain conducting base；Conducting base is immersed in electroplate liquid, ultrasonic vibration stick is inserted into electroplate liquid, will be inserted into blind hole with the matched injection needle of blind hole, the newly-increased electroplate liquid of injection, three-dimensional porous melter product is obtained after the completion of plating in blind hole；It is put into incinerator to burn after three-dimensional porous melter product is dried and removes conducting base, then three-dimensional porous melter product is placed in the processing of reducibility gas high temperature.The beneficial effects of the invention are as follows the foam base plate apertures and surface density that can make production to be consistent in error range, while keeping the consistency of metal inside and external coating to greatest extent.
Description
Technical field
The present invention relates to three-dimensional porous metal industries, and in particular to arrives a kind of aperture and the agonic three-dimensional porous gold of physical property
Belong to the preparation method of material.
Background technology
The preparation of existing three-dimensional porous metal, the mode of plating metal on foam base plate that is usually used is completed, and is steeped
Aperture and density is inconsistent on foam matrix, the inconsistent of the more empty metal physical property of three-dimensional is also resulted in, to affect foam gold
The surface density of category and aperture.It is more to become the consistent three-dimensional of manufacture physical property for the foam base plate for how preparing aperture and consistent in density
A problem of the empty metal firstly the need of solution.
Other than the aperture of foam base plate and density, electroplating thickness is the another of the three-dimensional porous metal physical property consistency of influence
A key factor, and a key factor for influencing electroplating thickness is electro-plating method.Preparing for three-dimensional more empty metal materials is general
By the way of liaison plating, continuous plating is suitable for mass-producted wire rod and band.The wire rod and band of continuous plating production due to
It is restricted by electrochemistry and several how factors, thickness of coating is uneven inside and outside matrix, affects the consistency of foam performance.
Document CN103147100A discloses the preparation method of a specific admixture porous metal material, including to porous matrix material
The conductive treatment of material adds after pre-galvanized porous matrix and burns particle and carry out mixing plating again, finally burn porous matrix and
Calcination particle and restore obtain porous metal material.The porous metal material of this method production, physical property are limited by porous matrix
It is unable to reach unanimously, while not also being resolved the problem of coating uniformity.
Invention content
The technical problem to be solved in the present invention is to provide the agonic three-dimensional porous metal materials in a kind of aperture and physical property
Preparation method can be such that the foam base plate aperture of production and surface density is consistent in error range, while protect to greatest extent
Hold the consistency of metal inside and external coating.
Present disclosure includes the following steps：
(1) 3D printer is used, the uniform matrix of porous structure is printed, at least one blind hole is provided on matrix, it is blind
Hole depth is the 1/2 of matrix thickness, obtains band blind hole matrix；Using 3D printing technique, aperture and surface density one can be printed
The porous matrix of cause keeps the porous metals that plating goes out consistent with that can be basically reached in surface density in aperture, so that making matrix
It is internal electroplated no longer to be restricted by geometrical factor.
It is found through experiment, matrix extends from outside to inside, and electroplating efficiency can be gradually reduced, to influence electroplated layer inside and outside matrix
Thickness.In continuous electroplating, because matrix thickness is relatively thin, generally 1-3mm, electroplating efficiency decaying from outside to inside is simultaneously unknown
It is aobvious, therefore thickness of coating difference is little inside and outside the material of continuous electroplating preparation；And porous metal material prepared by rack plating, thickness one
As be more than 8mm, even up to 100mm, the decaying of electroplating efficiency from outside to inside is more apparent, and inside is difficult to plate.And blind hole
Setting makes intrinsic silicon plating no longer by electroplate liquid system precisely in order to injecting electroplate liquid toward intrinsic silicon in electroplating process
About, internal electroplated layer is caused to be thinner than external electroplated layer, to influence the consistency of porous structure performance.
When injecting electroplate liquid toward intrinsic silicon by blind hole, the electroplate liquid of injection can be in 360 degree at intrinsic silicon 1/2
Diffusion, but the coverage spread is limited, it usually needs electroplate liquid is injected in multiple evenly arranged blind holes, it could be complete
The uniformly-coating of entire matrix in pairs.
(2) conductive processing will be passed through with blind hole matrix, and will obtain conducting base；
(3) conducting base is immersed in electroplate liquid, ultrasonic vibration stick is inserted into electroplate liquid, it will be with the matched note of blind hole
Liquid needle is inserted into blind hole, and the newly-increased electroplate liquid of injection in blind hole, the newly-increased electroplate liquid volumetric concentration is at least former electro-plating liquid
1.5 times of product concentration, then start to be electroplated and start ultrasonic vibration stick；The electroplate liquid is adjusted according to different metals is electroplated
Section, electroplating temperature control are advisable at 45-60 DEG C, and the excessively high matrix that can not only burn of temperature can also influence electroplated layer inside and outside matrix
Uniformity, because rate of deposition can be accelerated with the raising of temperature, when the temperature is excessively high, the consumption speed of intrinsic silicon metal ion
Rate can be more than supplement rate, and the inhomogeneities of inside and outside electroplated layer is caused to expand；
In electroplating process, the consumption of intrinsic silicon metal ion is mended by the entrance of matrix outer metal ion
It fills, metal ion can be consumed constantly by the charge attraction on matrix when hole enters intrinsic silicon, if rate of deposition mistake
Fast or matrix is blocked up, and many times intrinsic silicon metal ion will appear insufficient situation, make intrinsic silicon that can not plate, to more
The consistency of hole structural property has an impact；By the way that the blind hole in the middle part of the matrix that goes directly is arranged on matrix, the injection electricity in blind hole
Plating solution can be such that intrinsic silicon metal ion is supplemented, and balance deposition inside and outside matrix；And the application of ultrasonic vibration, then have
Conducive to the exchange of electroplate liquid inside and outside matrix；The newly-increased electroplate liquid volumetric concentration is at least 1.5 times of former electroplate liquid volumetric concentration,
Newly-increased electroplate liquid is set to have obvious diffusion effect, to make up the concentration difference of metal ion inside and outside matrix.
It is calculating current density to start current density when plating, after continuing 2-3 minutes, adjusts electric current by current density tune
Section is the 1/3 to 1/2 of calculating current density, after current regulation finishes 30 minutes, stops injection and increases electroplate liquid newly, closes plating electricity
Ultrasonic vibration stick is flowed and closed, three-dimensional porous melter product is obtained；The thickness gauge that current density ASF can be electroplated as needed
It calculates, formula is as follows：
Current density (ASF)=plating thickness (um)/(electroplating time (min) × electroplating efficiency × constant C)
Wherein constant C changes according to the difference of metal, and if the C values of copper are 0.0202, the C values of nickel are 0.0182, the C of tin
Value is 0.0456.Before being actually electroplated, it need to first determine plating thickness, calculate current density ASF, in electroplating process, first
Preplating 2-3 minutes, it is calculating current density that current density is kept during preplating；After the completion of preplating, then current density adjusted
It is the 1/3 to 1/2 of calculating current density, continues 30 minutes.Wherein, matrix outermost layer electroplating efficiency can be because of the difference of plating metal
And it is variant, and as hole extends in matrix, matrix electroplating efficiency can continuously decrease.
(4) it is dried 2-3 days after cleaning three-dimensional porous melter product, is put into incinerator and burns removing conducting base；
Three-dimensional porous melter product is placed in reducibility gas and carries out reduction treatment, reduction reaction temperature is 900 DEG C, obtains aperture
The three-dimensional porous metal material with physical property zero deflection.Three-dimensional porous melter product need to dry 2-3 days and cannot be directly placed into and burn
It burns in stove and burns, because not yet firm when electroplated layer is just plated on matrix, need the firm phase of a period of time.Matrix is put into
It is burned in incinerator, conductive materials and conducting base can be incinerated, organics removal is to improve the flexibility of electroplated layer.Because of combustion
It is oxidation reaction to burn, therefore is also needed after having burnt by reduction treatment, and reduction reaction temperature is differed from 710-950 DEG C, works as temperature
When more than 900 DEG C, reduction reaction efficiency is not further added by, therefore the temperature of reduction reaction is advisable with 900 DEG C, finally obtain aperture and
The three-dimensional porous metal material of physical property zero deflection.
For theoretically, i.e., the porous matrix of aperture knead dough consistent in density is printed using 3D printing technique, but in matrix
Outer metal deposition capability still not fully reaches unanimously, especially in the big specification porous metals of rack plating.The object of the invention exists
In reducing other factors, if concentration of metal ions inside and outside electric conductivity inside and outside matrix and matrix is poor, to metal deposition capability inside and outside matrix
Influence, so that matrix entirety physical property is reached as possible consistent, and electroplated layer deviation is made to be maintained in tolerance interval.
The printed material that 3D printer uses in the step (1) is biological plastics polylactic acid, and polylactic acid is in 3D printing material
Belong to renewable plant resources in material, be made using the starch raw material extracted in plant, very environmentally friendly, when burning not will produce
Acidic materials corrosion when doing harm to gas, and being not easy to be plated；In addition, polylactic acid fusing point is not high, it is 155-185 DEG C, at 400 DEG C
It can be incinerated in temperature.
Diameter of blind hole is 2-10mm in the step (1), and the spacing between blind hole is 30mm；Diameter of blind hole should not mistake
Greatly, the physical property of porous metals otherwise can be influenced, increases electroplate liquid injection rate if too small newly then less, electroplate liquid diffusion effect is unknown
It is aobvious；Spacing between blind hole is advisable with 30mm, and blind hole spacing can be adjusted according to the concentration difference of newly-increased electroplate liquid.
In the step (2) mode of conductive processing be using PVD plating, chemical plating, utter misery glue handle in one kind or
Implemented in a manner of a combination thereof.
The utter misery glue processing includes that will be immersed in blind hole matrix in utter misery glue, will be with blind by ultrasonic vibration treatment
Hole matrix drying, obtains conducting base.Conductive treatment includes coating conduction liquid at least 3 times on band blind hole matrix, every all over extremely
It dries 3 times less, this step is to increase the electric conductivity with blind hole matrix；
In addition, because conducting base hole is smaller, conduction liquid by the hole on matrix when entering intrinsic silicon, due to liquid
The reason of body viscosity, conduction liquid are unable to fully enter intrinsic silicon, cause conduction liquid to be unevenly distributed in intrinsic silicon, to meeting
Influence the electric conductivity of intrinsic silicon.And ultrasonic vibration can make conduction liquid break away from the influence of liquid viscosity, keep conductive liquid energy uniform
It is distributed in intrinsic silicon, to make intrinsic silicon plating no longer by the non-uniform restriction of inner conductive.
The rate that injection increases electroplate liquid newly in blind hole in the step (3) is 0.2-0.5m/min；Fluid injection rate is unsuitable
Too fast, otherwise newly-increased electroplate liquid jeting effect is apparent, is unfavorable for spreading and can influence the plating in matrix；In addition, fluid injection rate
Also should not be excessively slow, diffuser efficiency otherwise can be influenced, rate is advisable with 0.2-0.5m/min.
The incineration temperature of incinerator is 400 DEG C in the step (4), and the time is 5 minutes；Specific surface area reduce speed with
Incineration temperature is related with the time, and after surface area reaches capacity, specific surface area can be reduced by continuing to burn, therefore reduce incineration temperature
The time is burned with shortening, the size of specific surface area can be made more controllable, burns condition with incineration temperature as 400 DEG C, the time is 5 minutes
It is advisable.
Reducibility gas is hydrogen in the step (4), and the reduction reaction time is 15 minutes；Reducibility gas can also be
Ammonia, recovery time are adjusted according to reduction temperature, and when reduction temperature is 900 DEG C, the reduction reaction time was with 15 minutes
Preferably；If temperature is excessively high or reduction reaction overlong time, the three-dimensional porous metal of generation will appear the phenomenon that arching upward.
The beneficial effects of the invention are as follows：
(1) 3D printing technique is used, the porous matrix of aperture knead dough consistent in density can be printed, so that plating is gone out porous
Metal is consistent with that can be basically reached in surface density in aperture, so that making intrinsic silicon plating no longer by geometrical factor system
About.
(2) electroplate liquid is injected toward intrinsic silicon in electroplating process, intrinsic silicon plating can be made no longer by inside and outside electroplate liquid
The restriction of plating metal ion concentration difference, making intrinsic silicon, there is a situation where plating metal ion deficiencies, to influence porous knot
The consistency of structure performance.
(3) ultrasonic vibration can make conduction liquid break away from the influence of liquid viscosity, and conductive liquid energy is made to be evenly distributed in matrix
Portion, to keep intrinsic silicon plating distribution of charges more uniform.
(4) ultrasonic vibration stick is set when being electroplated in electroplate liquid, and ultrasonic vibration can accelerate friendship of the electroplate liquid inside and outside matrix
It changes, plays a driving role to being uniformly distributed for metal ion.
(5) polylactic acid belongs to renewable plant resources in 3D printing material, utilizes the starch raw material system extracted in plant
Pernicious gas is not will produce when at, burning, acidic materials corrosion when being not easy to be plated, and can be burnt in 400 DEG C of temperature
Change.
(6) fluid injection rate is unsuitable too fast, and otherwise newly-increased electroplate liquid jeting effect is apparent, is unfavorable for spreading and can influence matrix
Interior plating；In addition, fluid injection rate also should not be excessively slow, diffuser efficiency otherwise can be influenced, rate is advisable with 0.2-0.5m/min.
(7) matrix is put into incinerator and is burned, conductive materials and conducting base can be incinerated, organics removal is to carry
The flexibility of high electroplated layer.
(8) speed that the specific surface area of porous metals reduces is related with incineration temperature and time, when surface area reaches capacity
Afterwards, continue to burn and can reduce specific surface area, burn condition with incineration temperature as 400 DEG C, the time is to be advisable for 5 minutes.
(9) when temperature is more than 900 DEG C, reduction reaction efficiency is not further added by, and the temperature of reduction reaction is advisable with 900 DEG C.
Specific implementation mode
Embodiment 1：
The influence of 3D printing matrix and foam base plate to three-dimensional porous metal physical property is used for test, is now done using two kinds not
Contrast experiment with matrix about three-dimensional porous metal physical property.
3D printing matrix
Specification：Porosity 95%, average pore size 1.5mm, matrix thickness 15mm, matrix size 30mm × 30mm；
Experimental procedure：
(1) 3D printer is used, prints the uniform matrix of porous structure, it is blind at least provided with 1 blind hole on matrix
Hole depth is the 1/2 of matrix thickness, obtains band blind hole matrix；
(2) it will be immersed in blind hole matrix in conduction liquid utter misery glue, and by ultrasonic vibration treatment, submerge conduction liquid at least 3
Time, it is every all at least drying 3 times, obtain conducting base；
(3) conducting base is immersed in electroplate liquid, electroplate liquid includes nickel sulfate 60-70g/L, sodium hypophosphite 10-
Ultrasonic vibration stick is inserted into electroplate liquid by 14g/L, sodium acetate 4-8g/L, boric acid 3-5g/L and sodium chloride 2-4g/L, will be with blind hole
Matched injection needle is inserted into blind hole, and the newly-increased electroplate liquid of injection, the newly-increased electroplate liquid volumetric concentration are at least original in blind hole
Then 1.5 times of electroplate liquid volumetric concentration start to be electroplated and start ultrasonic vibration stick, it is to calculate to start current density when plating
Current density after continuing 2-3 minutes, adjusts electric current and current density is adjusted to the 1/3 to 1/2 of calculating current density, electric current tune
After section finishes 30 minutes, stops injection and increase electroplate liquid newly, close electroplating current and close ultrasonic vibration stick, obtain three-dimensional porous gold
Belong to semi-finished product；
(4) after drying 2-3 days, three-dimensional porous melter product is put into 400 DEG C of incinerator to burn to remove for 5 minutes and is led
Electric matrix, then the three-dimensional porous melter product for removing conducting base is placed in hydrogen and carries out reduction reaction, reduction reaction
Temperature is 900 DEG C, and the time is 15 minutes, finally obtains three-dimensional porous final metal product, is then carried out to three-dimensional porous metal physical property
Detection.Comparative example 1：
Foam base plate
Specification：Porosity 95-97%, average pore size 1.4-1.6mm, matrix thickness 15mm, matrix size 30mm × 30mm；
The experimental procedure of this comparative example 1 is consistent with the experimental procedure of embodiment 1.
Influence of the table 1 using 3D printing matrix or foam base plate to three-dimensional porous metal physical property
Our experiments show that the three-dimensional porous metal manufactured using 3D printing matrix, it is better than using foam base plate in physical property
The three-dimensional porous metal of manufacture.Wherein, the three-dimensional porous metal covering density variation manufactured using 3D printing matrix is smaller, and foam
For matrix since itself aperture periodically changes, the three-dimensional porous metal covering variable density of generation is larger；Meanwhile utilizing 3D printing
The three-dimensional porous metal of matrix production, physical property structure are more stablized, and will be better than utilizing foam in tensile strength and elongation percentage
The three-dimensional porous metal of matrix production；In addition, matrix specification is bigger, advantage meeting of the 3D printing matrix to foam base plate in physical property
It is more apparent.
Embodiment 2：
To test different factors in electroplating process, influence factor is done in the influence to electroplated layer uniformity inside and outside matrix
Relevant comparative tests.
Reference test
Selection specification be porosity 95%, average pore size 1.5mm, matrix thickness 15mm, matrix size 30mm × 30mm's
3D printing matrix；
The step of reference test is：
(1) 3D printer is used, above-mentioned specification and the uniform matrix of porous structure is printed, obtains 3D printing matrix；
(2) 3D printing matrix is immersed in conduction liquid utter misery glue, submergence conduction liquid at least 3 times, it is every all at least drying 3
It is secondary, obtain conducting base；
(3) conducting base is immersed in electroplate liquid, electroplate liquid includes nickel sulfate 60-70g/L, sodium hypophosphite 10-
14g/L, sodium acetate 4-8g/L, boric acid 3-5g/L and sodium chloride 2-4g/L are electroplated 30 minutes, obtain three-dimensional porous metal half at
Product；
(4) after drying 2-3 days, three-dimensional porous melter product is put into 400 DEG C of incinerator to burn to remove for 5 minutes and is led
Electric matrix, then the three-dimensional porous melter product for removing conducting base is placed in hydrogen and carries out reduction reaction, reduction reaction
Temperature is 900 DEG C, and the time is 15 minutes, finally obtains three-dimensional porous final metal product, is then carried out to three-dimensional porous metal physical property
Detection.Comparative example 2：
Ultrasonic vibration stick is used when conductive processing
Selection specification be porosity 95%, average pore size 1.5mm, matrix thickness 15mm, matrix size 30mm × 30mm's
3D printing matrix；The experimental procedure of this comparative example 2 is consistent with the experimental procedure of embodiment 2, but in step (2), matrix submergence
Ultrasonic vibration stick is used when in conduction liquid utter misery glue, so that conduction liquid is evenly distributed on intrinsic silicon.
Comparative example 3：
Ultrasonic vibration stick is used when plating
Selection specification be porosity 95%, average pore size 1.5mm, matrix thickness 15mm, matrix size 30mm × 30mm's
3D printing matrix；The experimental procedure of this comparative example 3 is consistent with the experimental procedure of embodiment 2, but in the conductive processing of step (2)
In the electroplating process of step (3), all ultrasonic vibration stick is inserted in electroplate liquid, intrinsic silicon electroplate liquid is made to be electroplated with external
Liquid energy effectively exchanges.
Comparative example 4：
Injection increases electroplate liquid newly
Selection specification be porosity 95%, average pore size 1.5mm, matrix thickness 15mm, matrix size 30mm × 30mm's
3D printing matrix；The experimental procedure of this comparative example 4 is consistent with the experimental procedure of embodiment 2, but this comparative example step (1) prints
Matrix on carry a diameter of 2-10mm, spacing is the blind hole of 30mm, and utilizes in the electroplating process of step (3) and 2mm
The matched injection needle of blind hole, which is injected in matrix with the rate of 0.3m/min, increases electroplate liquid, the newly-increased electroplate liquid volumetric concentration newly
1.5 times of at least former electroplate liquid volumetric concentration.
Comparative example 5：
Ultrasonic vibration stick+injection is used to increase electroplate liquid newly when conductive and plating
Selection specification be porosity 95%, average pore size 1.5mm, matrix thickness 15mm, matrix size 30mm × 30mm's
3D printing matrix；The experimental procedure of this comparative example 5 is consistent with the experimental procedure of embodiment 2, but on the matrix that prints of step (1)
With a diameter of 2-10mm, spacing is the blind hole of 30mm, and is used when step (2) conductive processing and step (3) are electroplated
Ultrasonic vibration stick, with the injection of the rate of 0.3m/min and identical newly-increased electroplate liquid in comparative example 4 in matrix when plating.
The influence of different factors to nickel layer thickness inside and outside matrix in being electroplated of table 2
Our experiments show that when matrix is blocked up, intrinsic silicon nickel ion deficiency influences the uniformity of nickel layer inside and outside matrix
It is maximum.Facilitation uniformly is placed with to nickel layer toward intrinsic silicon injection electroplate liquid, but inside and outside matrix when nickel ion abundance,
The biggest factor of limitation nickel layer uniformity has reformed into the uneven of charge placement inside and outside matrix；When matrix conductive is handled,
Ultrasonic vibration stick is used in conduction liquid, conduction liquid can be made to be sufficiently submerged in intrinsic silicon, be kept the charge arranged relative on matrix uniform
To promote the consistency of nickel layer inside and outside matrix；In addition, ultrasonic vibration stick is arranged when plating in electroplate liquid, ultrasonic vibration can add
Exchange inside and outside fast electroplate liquid, certain advantageous effect is evenly distributed with to nickel layer；Finally, while above-mentioned three kinds of methods, energy being used
So that nickel layer inside and outside three-dimensional porous metal is consistent within the scope of acceptable deviation to greatest extent, obtains surface density and physical property phase
To consistent porous metals.
Claims (8)
1. the preparation method in a kind of aperture and the agonic three-dimensional porous metal material of physical property, it is characterised in that：Including following step
Suddenly：
(1) 3D printer is used, prints the uniform matrix of porous structure, at least provided with 1 blind hole on matrix, blind hole is deep
Degree is the 1/2 of matrix thickness, obtains band blind hole matrix；
(2) conductive processing will be passed through with blind hole matrix, and will obtain conducting base；
(3) conducting base is immersed in electroplate liquid, ultrasonic vibration stick is inserted into electroplate liquid, it will be with the matched injection needle of blind hole
It is inserted into blind hole, the newly-increased electroplate liquid of injection in blind hole, it is dense that the newly-increased electroplate liquid volumetric concentration is at least former electroplate liquid volume
1.5 times of degree, then start to be electroplated and start ultrasonic vibration stick, and the current density started when plating is calculating current density, is held
After 2-3 minutes continuous, adjust electric current and current density is adjusted to the 1/3 to 1/2 of calculating current density, current regulation finishes 30 minutes
Afterwards, stop injection increasing electroplate liquid newly, close electroplating current and close ultrasonic vibration stick, obtain three-dimensional porous melter product；
(4) it is dried 2-3 days after cleaning three-dimensional porous melter product, is put into incinerator and burns removing conducting base；By three
Dimension porous metals semi-finished product, which are placed in reducibility gas, carries out reduction treatment, and reduction reaction temperature is 900 DEG C, obtains aperture and object
The property three-dimensional porous metal material of zero deflection.
2. the preparation method in aperture as described in claim 1 and the agonic three-dimensional porous metal material of physical property, feature exist
In：The printed material that 3D printer uses in the step (1) is biological plastics polylactic acid.
3. the preparation method in aperture as described in claim 1 and the agonic three-dimensional porous metal material of physical property, feature exist
In：Diameter of blind hole is 2-10mm in the step (1), and the spacing between blind hole is 30mm.
4. the preparation method in aperture as described in claim 1 and the agonic three-dimensional porous metal material of physical property, feature exist
In：In the step (2) mode of conductive processing be use PVD plating, chemical plating, utter misery glue processing in one kind or with combination
Mode implement.
5. the preparation method in aperture as claimed in claim 4 and the agonic three-dimensional porous metal material of physical property, feature exist
In：The utter misery glue processing includes that will be immersed in blind hole matrix in utter misery glue, will be with blind hole matrix by ultrasonic vibration treatment
Drying, obtains conducting base.
6. the preparation method in aperture as described in claim 1 and the agonic three-dimensional porous metal material of physical property, feature exist
In：The rate that injection increases electroplate liquid newly in blind hole in the step (3) is 0.2-0.5m/min.
7. the preparation method in aperture as described in claim 1 and the agonic three-dimensional porous metal material of physical property, feature exist
In：The incineration temperature of incinerator is 400 DEG C in the step (4), and the time is 5 minutes.
8. the preparation method in aperture as described in claim 1 and the agonic three-dimensional porous metal material of physical property, feature exist
In：Reducibility gas is hydrogen in the step (4), and the reduction reaction time is 15 minutes.
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| CN201810580338.7A CN108660489B (en) | 2018-06-07 | 2018-06-07 | Preparation method of three-dimensional porous metal material with non-deviation aperture and physical property |
| PCT/CN2018/118014 WO2019233052A1 (en) | 2018-06-07 | 2018-11-28 | Method for preparing three-dimensional porous metal material with no deviation in pore size and physical properties |
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| CN201810580338.7A CN108660489B (en) | 2018-06-07 | 2018-06-07 | Preparation method of three-dimensional porous metal material with non-deviation aperture and physical property |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019233052A1 (en) * | 2018-06-07 | 2019-12-12 | 常德力元新材料有限责任公司 | Method for preparing three-dimensional porous metal material with no deviation in pore size and physical properties |
| CN111575748A (en) * | 2020-05-07 | 2020-08-25 | 岭南师范学院 | Electroforming method based on 3D printing rapid molding |
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Also Published As
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| CN108660489B (en) | 2020-04-24 |
| WO2019233052A1 (en) | 2019-12-12 |
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