CN110331390A - A kind of preparation method of ultralight bionic metal material - Google Patents

A kind of preparation method of ultralight bionic metal material Download PDF

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CN110331390A
CN110331390A CN201910770684.6A CN201910770684A CN110331390A CN 110331390 A CN110331390 A CN 110331390A CN 201910770684 A CN201910770684 A CN 201910770684A CN 110331390 A CN110331390 A CN 110331390A
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template
preparation
ultralight
metal material
plating
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CN110331390B (en
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吴士平
戴贵鑫
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Harbin Institute of Technology
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Harbin Institute of Technology
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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601Process or apparatus
    • C23C18/1633Process of electroless plating
    • C23C18/1655Process features
    • C23C18/1657Electroless forming, i.e. substrate removed or destroyed at the end of the process
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18Pretreatment of the material to be coated
    • C23C18/20Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/2006Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30
    • C23C18/2046Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment
    • C23C18/2073Multistep pretreatment
    • C23C18/2086Multistep pretreatment with use of organic or inorganic compounds other than metals, first
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18Pretreatment of the material to be coated
    • C23C18/20Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/22Roughening, e.g. by etching
    • C23C18/24Roughening, e.g. by etching using acid aqueous solutions
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18Pretreatment of the material to be coated
    • C23C18/20Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/28Sensitising or activating
    • C23C18/285Sensitising or activating with tin based compound or composition
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18Pretreatment of the material to be coated
    • C23C18/20Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/28Sensitising or activating
    • C23C18/30Activating or accelerating or sensitising with palladium or other noble metal
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31Coating with metals
    • C23C18/32Coating with nickel, cobalt or mixtures thereof with phosphorus or boron

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemically Coating (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

A kind of preparation method of ultralight bionic metal material, the present invention relates to bionic metal technical field of material.The technical issues of bionic metal quality of materials prepared the invention solves existing method is big, application difficult.Method: 3D printing stay in place form;Template is pre-processed;Template overall structure is subjected to a plating metal;It deactivates processing, plating metal is carried out again to template outer surface;Go template.The density of material can be greatly reduced in the ultralight bionic metal material of the method for the present invention preparation under conditions of proof strength, can be various structures inside the bionic metal material structure;Change of gradient control can be carried out to the thickness of bionic metal material.Simple production process is easily achieved, and preparation cost is low, flexible operation.The present invention is used to prepare biomimetic material.

Description

A kind of preparation method of ultralight bionic metal material
Technical field
The present invention relates to bionic metal technical field of material.
Background technique
Biomimetic material is a kind of novel functional material, is built upon the original material of nature, synthetic material, organic Intellectual material is designed on the basis of high molecular material, refers to the various features or characteristic and the material developed of mimic biology Material, the artificial material manufactured and designed according to the operational mode of life system and the structure law of biomaterial.Therefore, bionical material The maximum feature of material is designability, and the biological prototype of the extractable nature out of people probes into its functional principle, and by being somebody's turn to do Principle designs the new function material that can have similar performance.
Therefore, the following can be passed through for the research of bionics techniques: (1) bionic structure: by biocomponents into Row analysis and research, construct material similar with organism and biological structure, to realize similar function.(2) function bionics: necessary It establishes on the basis of bionic structure, learns by imitation animal function to realize corresponding perception, movement and function.(3) Material is bionical: the features such as simulation biological characteristic such as human skin realize the development and exploitation of biomimetic material.(4) mechanics is bionical: people The bionics of mechanics mainly studies the static nature of organization of human body.(5) control biomimetics: being broadly divided into three classes, i.e., advanced mind Through first bionics, rudimentary neuron bionics and evolutionary mechanism.
Currently, biomimetic material is generally nonmetal oxide material, organic polymer polymeric material rarely has metal material fortune For biomimetic material.And the technical issues of bionic metal quality of materials of existing method preparation is big, application difficult, so, On the basis of existing bionics, developing the bionical integrated metal biomimetic material of structure-function has great significance.
Summary of the invention
The invention solves the bionic metal quality of materials of existing method preparation is big, provide the technical issues of application difficult A kind of preparation method of ultralight bionic metal material.
A kind of preparation method of ultralight bionic metal material, specifically sequentially includes the following steps:
One, prepared by template: the photosensitive resin template of biomimetic features is prepared using 3D printing method;
Two, template pre-processes: the photosensitive resin template of step 1 preparation is subjected to destressing processing, alkaline degreasing is handled, Surface roughening treatment, sensitized treatment are activated, reduction treatment, weak corrosion treatment;
Three, the pretreated template overall structure of step 2 plating of template: is subjected to plating metal;
Four, the secondary plating of template: the template of step 3 processing is subjected to processing of deactivating, template outer surface is carried out again Plating metal;
Five, go template: by step 4, treated that template carries out template handles, and obtains a kind of ultralight bionic metal Material completes this method.
Further, destressing is handled in step 2 are as follows: template is cleaned 30~40min using acetone.
Further, step 2 neutral and alkali oil removal treatment are as follows: by concentration be 10g/L sodium hydroxide solution, 3g/L sodium metasilicate Solution, 12g/L trisodium phosphate solution and 8g/L sodium carbonate liquor according to volume ratio be 1: 1: 1: 1 ratio be mixed with mixing it is molten Then template is put into 15~30min of ultrasonic cleaning in mixed solution by liquid.
Further, surface roughening treatment in step 2 are as follows: template is put into the height that temperature is 50 DEG C, concentration is 400g/L 20~30min is impregnated in potassium manganate solution.
Further, sensitized treatment in step 2 are as follows: at room temperature, template is put into the chlorination that concentration is 10g/L 6~8min is impregnated in stannous solution.
Further, it is activated in step 2 are as follows: at room temperature, it is 0.7g/L palladium chloride that template, which is put into concentration, 5~7min is impregnated in solution.
Further, reduction treatment in step 2 are as follows: at room temperature, it is 20g/L hypophosphorous acid that template, which is put into concentration, 3~5min is impregnated in sodium solution.
Further, weak corrosion treatment in step 2 are as follows: at room temperature, template, which is put into mass percentage, is 10s is impregnated in 10% hydrochloric acid solution.
Further, the metal of plating is alloy or metal simple-substance in step 3 and step 4.
Further, plating technology is chemical plating, plating, ion plating or vapor deposition in step 3 and step 4.
Further, it deactivates in step 4 processing are as follows: close the porous structure of template.
Further, template is gone to handle in step 5 are as follows:
Using high temperature furnace, control heating rate is 10 DEG C/min, and the ashing temperature that template is heated to photosensitive resin is carried out High temperature sintering keeps the temperature 30min;
Or the top of template is opened up into reserved opening, it is then placed in the hydrogen that temperature is 60 DEG C, mass percentage is 12% It is impregnated in sodium hydroxide solution.
The beneficial effects of the present invention are:
The high-densit structure in outside of major design Bionics Bone or pinion chamber of the present invention etc., the inside and outside variation of inner porosity Ultra-lightweight structural material.The design of biomimetic material be summarize design of material, structure Design and Features design the collaboration that is integrated Optimal design idea.The superiority that such material has traditional material incomparable, as specific strength is high, specific stiffness is big, can design Property is strong, has both multi-functional potentiality.
The biomimetic material of the method for the present invention preparation is in the specific strength (10~10 for guaranteeing that there is metal material to be close2MPa· g-1·cm3) under the conditions of, the relative density of material is greatly reduced, density is minimum to be down to 10-2g/cm2.And internal and external parts A possibility that combination of structure change is more firm, and military service fatigue occurs in junction is greatly reduced;The bionical material of this method preparation The internal structure of material selects multiplicity, can be porous structure, lattice structure, microarray structure etc..The ectonexine that the present invention uses Plating material can be a variety of alloy/metal simple-substances or multilayer different-alloy/metal simple-substance, different layers alloy/metal simple-substance Thickness also can have change of gradient, the adjusting of material can be achieved the goal by changing plating metal simple-substance/alloy formula. Preparation Method of the present invention is simple, easily operated, safe and reliable, energy- and time-economizing, environmental-friendly.The method of the present invention also also acts as preparation The integration system of sandwich structure is standby.
Material relative density can be greatly reduced in ultralight bionic metal material prepared by the present invention while taking into account specific strength, It is greatly enlarged the use scope of material.
The present invention is used to prepare biomimetic material.
Specific embodiment
Technical solution of the present invention is not limited to the specific embodiment of act set forth below, further include each specific embodiment it Between any combination.
Specific embodiment 1: a kind of preparation method of ultralight bionic metal material of present embodiment, specifically presses following step It is rapid to carry out:
One, prepared by template: the photosensitive resin template of biomimetic features is prepared using 3D printing method;
Two, template pre-processes: the photosensitive resin template of step 1 preparation is subjected to destressing processing, alkaline degreasing is handled, Surface roughening treatment, sensitized treatment are activated, reduction treatment, weak corrosion treatment;
Three, the pretreated template overall structure of step 2 plating of template: is subjected to plating metal;
Four, the secondary plating of template: the template of step 3 processing is subjected to processing of deactivating, template outer surface is carried out again Plating metal;
Five, go template: by step 4, treated that template carries out template handles, and obtains a kind of ultralight bionic metal Material completes this method.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: destressing is handled in step 2 Are as follows: template is cleaned by 30~40min using acetone.It is other same as the specific embodiment one.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that: step 2 neutral and alkali removes Oil processing are as follows: by concentration be 10g/L sodium hydroxide solution, 3g/L sodium silicate solution, 12g/L trisodium phosphate solution and 8g/L carbonic acid Sodium solution is mixed with mixed solution according to the ratio that volume ratio is 1: 1: 1: 1, then template is put into mixed solution ultrasonic Clean 15~30min.It is other the same as one or two specific embodiments.
Specific embodiment 4: unlike one of present embodiment and specific embodiment one to three: table in step 2 Face roughening treatment are as follows: template is put into 20~30min of immersion in the liquor potassic permanganate that temperature is 50 DEG C, concentration is 400g/L. It is other identical as one of specific embodiment one to three.
Specific embodiment 5: unlike one of present embodiment and specific embodiment one to four: quick in step 2 Change processing are as follows: at room temperature, template is put into the stannous chloride solution that concentration is 10g/L and impregnates 6~8min.It is other with One of specific embodiment one to four is identical.
Specific embodiment 6: unlike one of present embodiment and specific embodiment one to five: living in step 2 Change processing are as follows: at room temperature, it is that 5~7min is impregnated in 0.7g/L palladium chloride solution that template, which is put into concentration,.Other and tool One of body embodiment one to five is identical.
Specific embodiment 7: unlike one of present embodiment and specific embodiment one to six: in step 2 also Original place reason are as follows: at room temperature, it is that 3~5min is impregnated in 20g/L sodium hypophosphite solution that template, which is put into concentration,.Other and tool One of body embodiment one to six is identical.
Specific embodiment 8: unlike one of present embodiment and specific embodiment one to seven: weak in step 2 Corrosion treatment are as follows: at room temperature, template is put into the hydrochloric acid solution that mass percentage is 10% and impregnates 10s.It is other It is identical as one of specific embodiment one to seven.
Specific embodiment 9: unlike one of present embodiment and specific embodiment one to eight: step 3 and step The metal of plating is alloy or metal simple-substance in rapid four.It is other identical as one of specific embodiment one to eight.
Specific embodiment 10: unlike one of present embodiment and specific embodiment one to nine: step 3 and step Plating technology is chemical plating, plating, ion plating or vapor deposition in rapid four.It is other identical as one of specific embodiment one to nine.
Specific embodiment 11: unlike one of present embodiment and specific embodiment one to ten: in step 4 It deactivates processing are as follows: close the porous structure of template.It is other identical as one of specific embodiment one to ten.
Specific embodiment 12: present embodiment is unlike specific embodiment one to one of 11: step 5 In go template to handle are as follows:
Using high temperature furnace, control heating rate is 10 DEG C/min, and the ashing temperature that template is heated to photosensitive resin is carried out High temperature sintering keeps the temperature 30min;
Or the top of template is opened up into reserved opening, it is then placed in the hydrogen that temperature is 60 DEG C, mass percentage is 12% It is impregnated in sodium hydroxide solution.It is other identical as specific embodiment one to one of 11.
Beneficial effects of the present invention are verified using following embodiment:
Embodiment one:
A kind of preparation method of ultralight bionic metal material of the present embodiment, specifically sequentially includes the following steps:
One, prepared by template: the 405nm photosensitive resin template of biomimetic features is prepared using 3D printing method;
Two, template pre-processes: the photosensitive resin template of step 1 preparation is subjected to destressing processing, alkaline degreasing is handled, Surface roughening treatment, sensitized treatment are activated, reduction treatment, weak corrosion treatment;
Wherein, destressing is handled are as follows: template is cleaned 30min using acetone;
Alkaline degreasing processing are as follows: by concentration be 10g/L sodium hydroxide solution, 3g/L sodium silicate solution, 12g/L tertiary sodium phosphate Solution and 8g/L sodium carbonate liquor are mixed with mixed solution according to the ratio that volume ratio is 1: 1: 1: 1, are then put into template It is cleaned by ultrasonic 15min in mixed solution;
Surface roughening treatment are as follows: template is put into temperature is 50 DEG C, concentration is to impregnate in the liquor potassic permanganate of 400g/L 20min;
Sensitized treatment are as follows: at room temperature, template is put into the stannous chloride solution that concentration is 10g/L and is impregnated 7min;
It is activated are as follows: at room temperature, it is to impregnate 6min in 0.7g/L palladium chloride solution that template, which is put into concentration,;
Reduction treatment are as follows: at room temperature, it is to impregnate 4min in 20g/L sodium hypophosphite solution that template, which is put into concentration,;
Weak corrosion treatment are as follows: at room temperature, template is put into the hydrochloric acid solution that mass percentage is 10% and is soaked Steep 10s;
Three, plating of template: the pretreated template overall structure of step 2 is subjected to chemical nickel plating, with a thickness of 10 μ m;
Four, the secondary plating of template: the porous structure for the template for being handled step 3 using glycerine is closed, again to template Outer surface carries out chemical nickel plating, with a thickness of 100 μm;
Five, go template: by step 4, treated that template carries out template handles, and using high temperature furnace, controls heating rate For 10 DEG C/min, template is heated to 400 DEG C of progress high temperature sinterings, keeps the temperature 30min;Obtain a kind of ultralight bionic metal material Material completes this method.
Biomimetic material manufactured in the present embodiment is in the specific strength (10~10 for guaranteeing that there is metal material to be close2MPa·g-1·cm3) under the conditions of, the relative density of material is greatly reduced, density is minimum to be down to 10-2g/cm2.And internal and external parts A possibility that combination of structure change is more firm, and military service fatigue occurs in junction is greatly reduced;The bionical material of this method preparation The internal structure of material selects multiplicity, can be porous structure, lattice structure, microarray structure etc..
The ectonexine plating material that the present invention uses can be a variety of alloy/metal simple-substances or multilayer different-alloy/gold Belong to simple substance, different layers alloy/metal simple-substance thickness also can have change of gradient, and the adjusting of material can be by changing plating gold Belong to simple substance/alloy formula to achieve the goal.Preparation Method of the present invention is simple, easily operated, safe and reliable, energy- and time-economizing, environment friend It is good.The method of the present invention also also act as prepare sandwich structure integration system it is standby.

Claims (10)

1. a kind of preparation method of ultralight bionic metal material, it is characterised in that this method specifically sequentially includes the following steps:
One, prepared by template: the photosensitive resin template of biomimetic features is prepared using 3D printing method;
Two, template pre-processes: the photosensitive resin template of step 1 preparation is carried out destressing processing, alkaline degreasing processing, surface Roughening treatment, sensitized treatment are activated, reduction treatment, weak corrosion treatment;
Three, the pretreated template overall structure of step 2 plating of template: is subjected to plating metal;
Four, the secondary plating of template: the template of step 3 processing is subjected to processing of deactivating, plating is carried out to template outer surface again Metal;
Five, go template: by step 4, treated that template carries out template handles, and obtains a kind of ultralight bionic metal material Material completes this method.
2. a kind of preparation method of ultralight bionic metal material according to claim 1, it is characterised in that in step 2 Stress processing are as follows: template is cleaned by 30~40min using acetone.
3. a kind of preparation method of ultralight bionic metal material according to claim 1, it is characterised in that alkali in step 2 Property oil removal treatment are as follows: by concentration be 10g/L sodium hydroxide solution, 3g/L sodium silicate solution, 12g/L trisodium phosphate solution and 8g/L Sodium carbonate liquor is mixed with mixed solution according to the ratio that volume ratio is 1: 1: 1: 1, and then template is put into mixed solution It is cleaned by ultrasonic 15~30min.
4. a kind of preparation method of ultralight bionic metal material according to claim 1, it is characterised in that table in step 2 Face roughening treatment are as follows: template is put into 20~30min of immersion in the liquor potassic permanganate that temperature is 50 DEG C, concentration is 400g/L.
5. a kind of preparation method of ultralight bionic metal material according to claim 1, it is characterised in that quick in step 2 Change processing are as follows: at room temperature, template is put into the stannous chloride solution that concentration is 10g/L and impregnates 6~8min;
It is activated are as follows: at room temperature, it is that 5~7min is impregnated in 0.7g/L palladium chloride solution that template, which is put into concentration,.
6. a kind of preparation method of ultralight bionic metal material according to claim 1, it is characterised in that in step 2 also Original place reason are as follows: at room temperature, it is that 3~5min is impregnated in 20g/L sodium hypophosphite solution that template, which is put into concentration,;
Weak corrosion treatment in step 2 are as follows: at room temperature, template is put into the hydrochloric acid solution that mass percentage is 10% Middle immersion 10s.
7. a kind of preparation method of ultralight bionic metal material according to claim 1, it is characterised in that step 3 and step The metal of plating is alloy or metal simple-substance in rapid four.
8. a kind of preparation method of ultralight bionic metal material according to claim 1, it is characterised in that step 3 and step Plating technology is chemical plating, plating, ion plating or vapor deposition in rapid four.
9. a kind of preparation method of ultralight bionic metal material according to claim 1, it is characterised in that in step 4 It is activated are as follows: close the porous structure of template.
10. a kind of preparation method of ultralight bionic metal material according to claim 1, it is characterised in that in step 5 Template processing are as follows:
Using high temperature furnace, control heating rate is 10 DEG C/min, and the ashing temperature that template is heated to photosensitive resin is carried out high temperature Calcination keeps the temperature 30min;
Or the top of template is opened up into reserved opening, it is then placed in the hydroxide that temperature is 60 DEG C, mass percentage is 12% It is impregnated in sodium solution.
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