CN110066577A - Titanium alloy and carbon fibre composite bonding insulating coating and its adhering method - Google Patents
Titanium alloy and carbon fibre composite bonding insulating coating and its adhering method Download PDFInfo
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- CN110066577A CN110066577A CN201910360161.4A CN201910360161A CN110066577A CN 110066577 A CN110066577 A CN 110066577A CN 201910360161 A CN201910360161 A CN 201910360161A CN 110066577 A CN110066577 A CN 110066577A
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- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
- C09J5/02—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving pretreatment of the surfaces to be joined
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Abstract
Titanium alloy and carbon fibre composite bonding insulating coating, the insulating coating after first component and second component mixture by being made, in parts by weight, the first component is made of 100 parts of vinylites, 50 ~ 100 parts of fillers, 0 ~ 50 part of diluent and 0.5 ~ 5 part of thixotropic agent, wherein, the filler first passes through plasma process processing in advance；The second component is made of 1 ~ 10 part of initiator and 0.5 ~ 2 part of promotor.A kind of titanium alloy and carbon fibre composite bonding insulating coating and its adhering method provided by the invention.By the plasma surface treatment to bonding interface, and the plasma pretreatment insulating coating to match is brushed, realizes that titanium alloy is good with carbon fibre composite product interfacial bonding and has the insulation effect of sea water resistance and resistance to potential corrosion.
Description
Technical field
The invention belongs to the electrochemical corrosion technical field of Naval Architecture and Ocean Engineering, it is related to a kind of titanium alloy and carbon fiber is multiple
Condensation material is bonded treatment process and matched insulating coating formula.
Background technique
Titanium alloy and carbon fibre composite all have the advantages that light-weight, specific strength is high, corrosion-resistant, sound transparency is good, answer
For Naval Architecture and Ocean Engineering field can mitigate hull weight, increase payload, reduce maintenance cost, improve naval vessel can
It by property and safety, therefore is the ideal material of shipping industry.
Titanium alloy property is active, and surface layer of oxide layer easy to form causes surface-active poor in air.With other
It uses mechanical means, such as sandblasting, chemical etching and electrolytic etching to remove surface contamination as material bonding is previous, is formed coarse
Face, the surface for being conducive to bonding agent infiltration roughening form mechanical padlock effect, reduce stress and concentrate, to improve adhesive strength.
Although being difficult to take into account at labyrinth however, sand-blast can sufficiently be roughened bonding plane；Chemical etching and electrolytic etching method work
Skill is complicated, takes time and effort, higher cost.
Carbon fibre composite product during the bonding process, because surface is smooth, in chemical inertness and there is pollution, it is difficult to real
High quality bonding between existing product.Traditional mode is viscous to improve using the roughness of the method raising bonding plane of physics polishing
Connect effect.But grinding effect is influenced by product shape and by personnel's operation, bonding surface roughness is uneven, is also easy to lead
It causes article surface deformation failure occur, influences part performance and adhesive effect.
For titanium alloy is connected with the product of carbon fibre composite, deposited between titanium alloy and carbon fibre composite
In potential difference, potential corrosion can occur when directly contact uses under atmosphere or wet environment.Although titanium alloy surface has one layer
The oxidation film of self-assembling formation, but intensity is low, is also easy to produce spot corrosion, therefore protectiveness is poor.It generally also needs to carry out oxygen when industrial application
Change processing, currently used method is differential arc oxidation or anodic oxidation.However the passivating film that both oxidation processes obtain, more
It is difficult Nian Jie with other materials formation high quality.
Currently, patent relevant to titanium alloy coating is mainly around in terms of following two: 1) it is living to improve titanium base material surface
Property, the method for improving titanium base material surface property as CN 109179356A is a kind of is mainly improved by bioactivity glass
The activity of body surface, and biologically active hydroxyapatite coating layer is generated in matrix surface, 2) improve titanium alloy surface
Wearability and corrosion resistance, such as: a kind of method of seawater corrosion resistance abrasion composite coating of CN 109136822A；CN 109082659A
A kind of preparation method applied to the metal coating under corrosive environment；A kind of micro-arc oxidation of CN 109183110A prepares aluminium conjunction
Gold surface anticorrosion and antifouling Integrative Coating and preparation method thereof.
Currently, there are no carry out the titanium alloy preferable process Nian Jie with carbon fibre composite to go out in the prior art
It is existing.
Summary of the invention
Technical purpose of the invention are as follows: a kind of titanium alloy and carbon fibre composite bonding insulating coating and its viscous are provided
Connect method.By the plasma surface treatment to bonding interface, and brushes the plasma pretreatment insulation to match and apply
Layer realizes that titanium alloy is good with carbon fibre composite product interfacial bonding and has the insulation of sea water resistance and resistance to potential corrosion
Effect.
To realize the above-mentioned technical purpose, used technical solution is the present invention: titanium alloy and carbon fibre composite are viscous
It connecing and uses insulating coating, the insulating coating after first component and second component mixture by being made, in parts by weight, the first component
It is made of 100 parts of vinylites, 50 ~ 100 parts of fillers, 0 ~ 50 part of diluent and 0.5 ~ 5 part of thixotropic agent, wherein the filler
Plasma process processing is first passed through in advance；The second component is made of 1 ~ 10 part of initiator and 0.5 ~ 2 part of promotor.
Preferably, the filler is at least one of mica powder, talcum powder, blanc fixe, light calcium and glass microballoon.
Preferably, the thixotropic agent is at least one of fumed silica, organobentonite, polyamide wax.
Preferably, the initiator is azo-initiator, organic peroxide initiator, inorganic peroxygen species
Initiator or azoic compound initiator.
Preferably, the promotor is cobalt naphthenate.
A kind of preparation method of titanium alloy and carbon fibre composite bonding insulating coating, comprising the following steps:
(1), 50 ~ 100 parts of fillers according to parts by weight, is taken to be put into plasma surface treatment instrument, and be passed through thereto air,
Nitrogen, hydrogen, oxygen, argon gas, helium, any one in neon, until the pressure in plasma processing chamber be 40 ~
50Pa, later, controlling discharge pressure in plasma processing chamber is 50 ~ 80Pa, and irradiation power is 100 ~ 300W, is irradiated
5 ~ 15min is handled, plasma-activated processing filler is made, it is spare；
(2), it according to parts by weight, takes 100 parts of vinylites and 0 ~ 50 part of diluent to be put into rotation dispersion machine to carry out at dispersion
4 ~ 7min is managed, later, 0.5 ~ 5 part of thixotropic agent is added into gained mixture, carries out 8 ~ 15min of decentralized processing again, then, in
Under the revolving speed of 300 ~ 500r/min, plasma-activated processing filler made from 50 ~ 100 parts of steps (1), addition are added thereto
After the completion, dispersed with the revolving speed of 1000 ~ 1200r/min, until gained mixture is in uniform shape, first component is made, it is spare；
(3), it according to parts by weight, takes 1 ~ 10 part of initiator and 0.5 ~ 2 part of promotor to be mixed, second component is made, it is spare；
(4), second component made from first component made from step (2) and step (3) is mixed, after mixing well to get at
Product insulating coating.
A kind of adhering method of titanium alloy and carbon fibre composite bonding insulating coating, comprising the following steps:
Step 1: titanium alloy is bonded surface treatment
It is roughened using bonding plane of the blasting craft to titanium alloy, remains its bonding plane non-scale, it later, will
Gained titanium alloy is put into plasma surface treatment instrument, and be passed through thereto air, nitrogen, hydrogen, oxygen, argon gas, helium,
Any one in neon later, controls corona treatment until the pressure in plasma processing chamber is 40 ~ 50Pa
Discharge pressure is 50 ~ 80Pa in cavity, and irradiation power is 100 ~ 500W, carries out 5 ~ 15min of radiation treatment, obtained bonding plane obtains
The titanium alloy of activation processing, it is spare；
Step 2: carbon fibre composite is bonded surface treatment
The bonding plane of carbon fibre composite is roughened using the method that sand paper is polished, later, by gained carbon fiber
Dimension composite material be put into plasma surface treatment instrument, and be passed through thereto air, nitrogen, hydrogen, oxygen, argon gas, helium,
Any one in neon later, controls corona treatment until the pressure in plasma processing chamber is 40 ~ 50Pa
Discharge pressure is 50 ~ 80Pa in cavity, and irradiation power is 100 ~ 500W, carries out 5 ~ 15min of radiation treatment, obtained bonding plane obtains
The carbon fibre composite of activation processing, it is spare；
Step 3: bonding is handled
Take configured insulating coating that carbon fiber made from the titanium alloy bonding plane made from step 1 and step 2 is respectively coated
Composite material bonding plane later docks titanium alloy bonding plane and carbon fibre composite bonding plane, in applying on interface
Under the pressure condition for adding 1000 ~ 2000Pa, progress curing process 18 ~ for 24 hours, i.e., completion titanium alloy and carbon fibre composite is viscous
It connects.
Preferably, the bonding site in step 3, after the curing process, also to titanium alloy and carbon fibre composite
Carry out the rear curing process 0.8-1.5h under the conditions of there are 60 ~ 200 DEG C.
Preferably, the matrix resin of the carbon fibre composite is epoxy vinyl ester resin, vinylite, epoxy
Resin, bimaleimide resin, polyimide resin, phenolic resin, benzoxazine resin, cyanate ester resin and unsaturation are poly-
Any one or a few in ester resin.
Preferably, in step 3, the insulating coating is in titanium alloy bonding plane and carbon fibre composite bonding plane
Coating method is brushing, roller coating or spraying.
The utility model has the advantages that
1, the filler component used in using plasma process insulating coating of the present invention, utilizes plasma and filler table
Face molecule etches, and filler surface structure is made to change, and the compatibility with matrix resin is improved, so as to improve insulating coating
The cure shrinkage of system, avoids defect from generating, and improves adhesive strength.
2, using plasma technique collaboration blasting craft of the present invention handles titanium alloy surface, and the treatment process is not
It can only be reacted using the organic pollutant molecule of active particle or high-energy ray and titanium alloy surface, effectively remove residual
In the organic pollutant of titanium alloy surface, additionally it is possible to by the impact of high energy particle, improve titanium alloy macroscopic view and nano-micro scale
Roughness increases the surface-active of titanium alloy, improves its surface adhesion force.
3, using plasma technique of the present invention collaboration sanding process to the surface of carbon fibre composite at
Reason, the treatment process not only effectively clean carbon fibre composite, improve the roughness of surface macroscopic view and nano-micro scale, also
The content of oxygen-containing, the nitrogenous isoreactivity group of carbon fiber surface can be dramatically increased, improves surface wettability, and improve interfacial bonding
Chemical bonding effect, to increase interface bond strength.
4, adhering method of the invention can realize that the high quality between titanium alloy product and carbon fibre composite product is viscous
Connect, meanwhile, using the physical isolation of insulating coating, improve insulation effect, avoid titanium alloy and carbon fibre composite it
Between potential corrosion generation.Ensure that titanium alloy and carbon fibre composite connector be applied to marine environment safety and can
By property.The treatment process significant effect that the present invention uses, processing method is simple, Environmental Safety.Experimental study is shown: of the invention
Adhering method compared to conventional adhering method for, titanium alloy-carbon fibre composite adhesive strength improves 40% or more,
Significant effect.
Specific embodiment
The present invention will be further described in detail combined with specific embodiments below:
Titanium alloy and carbon fibre composite the bonding adhering method of insulating coating, this method are compound in titanium alloy and carbon fiber
Before material bonding, to bonding plane using plasma process, subsequent brushing insulating coating is bonded.Insulating coating
First component be made of vinylite and filler, thixotropic agent, diluent, wherein filler is using preceding needing using plasma technique
It is handled；Second component is made of initiator and promotor, and first, second component is used in mixed way.
The specific implementation step of this method is as follows:
Step 1: carrying out first time roughening treatment to titanium alloy bonding plane using blasting craft, contaminated surface is cleared up, and
Increase surface roughness；Using plasma technique carries out secondary treatment to titanium alloy bonding plane, changes while improving roughness
Kind titanium alloy surface adhesive force.Pressure control is passed through in 40 ~ 50Pa, 50 ~ 80Pa of discharge pressure in plasma processing chamber
Gas can be one kind of air, nitrogen, hydrogen, oxygen, argon gas, helium, neon, and irradiation power is 100 ~ 500W, when irradiation
Between be 5 ~ 15min.
Step 2: carrying out first time processing to carbon fibre composite bonding plane using the method for sand paper polishing, increase table
Surface roughness；Using plasma technique carries out second to composite material bonding plane and handles, and further increases surface roughness,
And increases that surface is oxygen-containing, nitrogenous and other kinds of active group, improve the wellability on surface.Plasma processing chamber
The control of middle pressure is in 40 ~ 50Pa, 50 ~ 80Pa of discharge pressure, the gas being passed through can for air, nitrogen, hydrogen, oxygen, argon gas,
One kind of helium, neon, irradiation power are 100 ~ 500W, and irradiation time is 5 ~ 15min.
Step 3: using plasma is activated filler, to remove moisture contained in filler, surface is reduced
Tension increases filler surface activity group content.Pressure control is in 40 ~ 50Pa in plasma processing chamber, and discharge pressure 50 ~
80Pa, the gas being passed through can for air, nitrogen, hydrogen, oxygen, argon gas, helium, neon one kind, irradiation power be 100 ~
300W, irradiation time are 5 ~ 15min.
Step 4: the filler of step 3 processing is mixed sufficiently with remaining component of coating first component.Wherein, vinyl tree
100 parts of rouge, 50-100 parts of filler, 0 ~ 50 part of diluent, 0.5 ~ 5 part of thixotropic agent.Dispersed using rotation dispersion machine, first will
100 parts of vinyl ester resin is mixed with 0-50 parts of diluents, 4 ~ 7min of high speed dispersion, and then addition thixotropic agent, high speed point
8 ~ 15min is dissipated, then, under the revolving speed of 300 ~ 500r/min, filler is added thereto, first low speed dispersion is high after addition
Speed dispersion is until be uniformly dispersed, without particle.
Step 5: the coating first component of step 4 is mixed sufficiently with coating second component, that is, can be used.Wherein, coating second
Initiator in component is 1 ~ 10 part, and promotor is 0.5 ~ 2 part.
Step 6: the configured insulating coating of step 5 is respectively coated on titanium alloy and carbon fibre composite bonding plane
Place, two bonding planes are docked, and extra coating is wiped after squeezing out, and are given bonding plane certain pressure and are solidified, can be mentioned
High-adhesive-strength.Curing of coatings is then waited for, it must solidify 18 under room temperature ~ for 24 hours.It is cured after having ready conditions can be by bonding portion
60 ~ 200 DEG C are heated to, the time is about 0.8-1.5h.
The titanium alloy can be any titanium alloy trade mark, such as TA1, TA5, TA8, TI75, TI80.
The matrix resin of the insulating coating is epoxy vinyl ester resin.
The insulating coating resin can be azo-initiator, organic peroxide initiator, nothing with initiator
Machine peroxide type initiators and azoic compound initiator.
The insulating coating with filler be one of mica powder, talcum powder, blanc fixe, light calcium, glass microballoon or
It is several.
The insulating coating can be one of fumed silica, organobentonite, polyamide wax with thixotropic agent
Or it is several.
The insulating coating resin can be cobalt naphthenate with promotor.
The carbon fibre composite is the polymer matrix composite that fiber or fabric enhance, and wherein fabric tissue is adopted
With unidirectional cloth, multiaxial fabric, plain weave, twill, satin weave form.Carbon fiber strength is T300, T700, T800, M35 or M40J.
The matrix resin of the carbon fibre composite is epoxy vinyl ester resin, vinylite, epoxy resin, double
Maleimide resin, polyimide resin, phenolic resin, benzoxazine resin, cyanate ester resin and unsaturated polyester resin
In any one or a few.
The carbon fibre composite surface needs one layer of thin layer of glass fibrous composite of co-curing, and wherein glass is
E glass, S glass, D glass, C glass, fabric type are woven fabric or knitted fabric.
The construction technology of the insulating coating can be brushing, roller coating or spraying.
Adhering method of the invention, to titanium alloy surface without oxidation processes, titanium alloy and carbon fibre composite
Insulation effect is provided by insulating coating.Concrete measure is: to titanium alloy and carbon fibre composite product bonding plane before bonding
Corona treatment is carried out respectively, and insulating coating filler will also pass through corona treatment.
Plasma modification is a kind of dry process, combines plasma physics, plasma chemistry and gas-solid two
Phase interfacial reaction.It is reacted using active particle or high-energy ray with surface organic pollutant molecule, and residual is effectively removed
Organic pollutant on the surface of the material；By the impact of high energy particle, increases surface roughness, it is attached to help to improve material surface
Put forth effort；It can dramatically increase that surface is oxygen-containing, nitrogenous and other kinds of active group, improve surface wettability, and guarantee material
The surface of material and ontological property are unaffected, and have good treatment effect to semiconductor, metal and most of high molecular materials,
And it can be realized the processing of entirety, part and labyrinth.
Therefore, using plasma process titanium alloy and carbon fibre composite product bonding plane, can be improved titanium
The roughness and surface-active of alloy and composite material nano-micro scale improve adhesive effect by chemical bonding and mechanical riveted.
Using plasma handle insulating coating filler, be to be had an effect using plasma and filler surface, selectively with
Surface molecular etches, and filler surface structure is made to change, and finally improves the cure shrinkage of coating system, avoids producing
Raw defect, improves adhesive strength；Simultaneously by insulating coating formed between titanium alloy and carbon fibre composite physics every
From raising insulation effect avoids generating potential corrosion.
Titanium alloy product and carbon fibre composite high quality bonding can be realized using method of the invention, and prevent
Potential corrosion guarantees that titanium alloy and carbon fibre composite connector are applied to the safety and reliability of marine environment.
Embodiment 1
Titanium alloy and carbon fibre composite the bonding adhering method of insulating coating, the specific implementation step of this method are as follows:
Step 1: the elder generation's sandblasting of titanium alloy bonding plane carries out roughening treatment, diamond dust partial size is 24 mesh；Subsequent using plasma work
Skill is activated, and pressure control is in 40Pa in plasma processing chamber, and discharge pressure 80Pa, the gas being passed through is nitrogen
Gas, irradiation power 300W, irradiation time 5min.
Step 2: carbon fibre composite matrix resin is epoxy vinyl ester resin.Bonding plane first uses sand paper to polish
Carry out roughening treatment；Subsequent using plasma technique is activated, and the wellability on surface, plasma processing chambers are improved
Pressure control is in 40Pa in body, and discharge pressure 60Pa, the gas being passed through can be oxygen, irradiation power 300W, irradiation time
For 5min.
Step 3: using plasma technique is to filler --- mica powder is activated, plasma processing chamber
Middle pressure control is oxygen, irradiation power 300W, irradiation time 5min in 40Pa, discharge pressure 60Pa, the gas being passed through.
Step 4: according to parts by weight, taking 100 parts of epoxy vingl ester resins to be put into rotation dispersion machine and carrying out decentralized processing
1.5 parts of thixotropic agent-organobentonites are added into gained mixture later by 4min, carry out decentralized processing 8min again, so
Afterwards, under the revolving speed of 500r/min, 50 parts of processed fillers of step 3 are added thereto, after the completion of addition, with 1100r/min
Revolving speed dispersed, until being uniformly dispersed, without particle, first component is made, it is spare.
Step 5: according to parts by weight, taking 2 parts of initiator-methyl ethyl ketone peroxides and 0.5 part of promotor-cobalt naphthenate
It is mixed, second component is made, later, gained second component is added in first component made from step 4, after mixing sufficiently, be made
Insulating coating, it is spare.
Step 6: by step 5 configured insulating coating difference roller brush at the titanium alloy bonding plane made from step 1 and
At carbon fibre composite bonding plane made from step 2, two bonding planes are docked, extra coating is wiped after squeezing out,
The pressure for giving bonding plane 1000Pa is solidified, and adhesive strength can be improved.Curing of coatings is then waited for, must be consolidated under room temperature
Change 18h.Cured after having ready conditions that bonding portion can be heated to 80 DEG C, the time is about 1h.
Establishing criteria GB/T 11211-2009 " two plate of measurement of vulcanized rubber or thermoplastic elastomer and metal adhesive strength
Method ", the measurement of titanium alloy-carbon fibre composite adhesive strength is carried out to the present embodiment, test result is as follows shown in table 1.
The adhering method of the present embodiment improves 43.7% compared with the method adhesive strength of the prior art.
Embodiment 2
Titanium alloy and carbon fibre composite the bonding adhering method of insulating coating, the specific implementation step of this method are as follows:
Step 1: the elder generation's sandblasting of titanium alloy bonding plane carries out roughening treatment, diamond dust partial size is 24 mesh；Subsequent using plasma work
Skill is activated, and pressure control is in 50Pa in plasma processing chamber, and discharge pressure 70Pa, the gas being passed through is argon
Gas, irradiation power 100W, irradiation time 15min.
Step 2: carbon fibre composite matrix resin is epoxy resin.Bonding plane first uses sand paper polishing to be roughened
Processing；Subsequent using plasma technique is activated, and the wellability on surface, pressure in plasma processing chamber are improved
Control can be hydrogen, irradiation power 100W, irradiation time 15min in 50Pa, discharge pressure 70Pa, the gas being passed through.
Step 3: using plasma technique is to filler --- talcum powder is activated, plasma processing chamber
The control of middle pressure is in 50Pa, discharge pressure 50Pa, and the gas being passed through is air, irradiation power 200W, and irradiation time is
12min。
Step 4: according to parts by weight, taking 100 parts of vinylites and 10 parts of diluents to be put into rotation dispersion machine and being divided
Processing 7min is dissipated, later, 1 part of thixotropic agent-polyamide wax is added into gained mixture, carries out decentralized processing 15min again,
Then, under the revolving speed of 300r/min, 80 parts of processed fillers of step 3 are added thereto, after the completion of addition, with 1000r/
The revolving speed of min is dispersed, until being uniformly dispersed, without particle, first component is made, spare.
Step 5: according to parts by weight, take 10 parts of initiator-methyl ethyl ketone peroxides and 2 parts of promotor-cobalt naphthenates into
Row mixing, is made second component, and later, gained second component is added in first component made from step 4, after mixing sufficiently, is made exhausted
Edge coating, it is spare.
Step 6: the configured insulating coating of step 5 is sprayed on respectively at titanium alloy bonding plane made from step 1 and
At carbon fibre composite bonding plane made from step 2, two bonding planes are docked, extra coating is wiped after squeezing out,
The pressure for giving bonding plane 1500Pa is solidified, and adhesive strength can be improved.Curing of coatings is then waited for, must be consolidated under room temperature
Change 20h.Cured after having ready conditions that bonding portion can be heated to 60 DEG C, the time is about 1.5h.
Establishing criteria GB/T 11211-2009 " two plate of measurement of vulcanized rubber or thermoplastic elastomer and metal adhesive strength
Method ", the measurement of titanium alloy-carbon fibre composite adhesive strength is carried out to the present embodiment, test result is as follows shown in table 1.
The adhering method of the present embodiment improves 40.8% compared with the method adhesive strength of the prior art.
Embodiment 3
Titanium alloy and carbon fibre composite the bonding adhering method of insulating coating, the specific implementation step of this method are as follows:
Step 1: the elder generation's sandblasting of titanium alloy bonding plane carries out roughening treatment, diamond dust partial size is 24 mesh；Subsequent using plasma work
Skill is activated, and pressure control is in 45Pa in plasma processing chamber, and discharge pressure 55Pa, the gas being passed through is hydrogen
Gas, irradiation power 500W, irradiation time 7min.
Step 2: carbon fibre composite matrix resin is phenolic resin.Bonding plane first uses sand paper polishing to be roughened
Processing；Subsequent using plasma technique is activated, and the wellability on surface, pressure in plasma processing chamber are improved
Control can be neon, irradiation power 500W, irradiation time 10min in 45Pa, discharge pressure 80Pa, the gas being passed through.
Step 3: using plasma technique is to filler --- glass microballoon is activated, plasma processing chambers
Pressure control is in 45Pa in body, discharge pressure 80Pa, and the gas being passed through is argon gas, irradiation power 100W, and irradiation time is
15min。
Step 4: according to parts by weight, taking 100 parts of vinylites and 50 parts of diluents to be put into rotation dispersion machine and being divided
Processing 5min is dissipated, later, 5 parts of thixotropic agent-fumed silicas is added into gained mixture, carry out decentralized processing again
Then under the revolving speed of 400r/min, 100 parts of processed fillers of step 3 are added in 10min thereto, after the completion of addition, with
The revolving speed of 1200r/min is dispersed, until being uniformly dispersed, without particle, first component is made, spare.
Step 5: according to parts by weight, taking 1 part of initiator-methyl ethyl ketone peroxide and 0.8 part of promotor-cobalt naphthenate
It is mixed, second component is made, later, gained second component is added in first component made from step 4, after mixing sufficiently, be made
Insulating coating, it is spare.
Step 6: the configured insulating coating of step 5 is brushed respectively at the titanium alloy bonding plane made from step 1 and
At carbon fibre composite bonding plane made from step 2, two bonding planes are docked, extra coating is wiped after squeezing out,
The pressure for giving bonding plane 2000Pa is solidified, and adhesive strength can be improved.Curing of coatings is then waited for, must be consolidated under room temperature
Change for 24 hours.Cured after having ready conditions that bonding portion can be heated to 200 DEG C, the time is about 0.8h.
Establishing criteria GB/T 11211-2009 " two plate of measurement of vulcanized rubber or thermoplastic elastomer and metal adhesive strength
Method ", the measurement of titanium alloy-carbon fibre composite adhesive strength is carried out to the present embodiment, test result is as follows shown in table 1.
The adhering method of the present embodiment improves 46.6% compared with the method adhesive strength of the prior art.
1 titanium alloy of table-carbon fibre composite adhesive strength
Using the method for three embodiments of the invention, according to " the marine metal material galvanizing corrosion test side GB/T15748-2013
Method " testing standard, two pieces titanium alloy-carbon fibre composite bond electricity has been carried out under status of electrically connecting in natural sea-water
Thermogalvanic corrision test, test period 1 month, mass change before and after contrast test, bond zero was weightless, through dissecting, bonding interface without
Corrosion phenomenon occurs.
The embodiment selected herein for the open purpose of the present invention, is presently considered to be suitable, but answers
Solution, the present invention is intended to include all changes and improvement that all belong to the embodiment in this design and the scope of the invention.
Claims (10)
1. titanium alloy and carbon fibre composite bonding insulating coating, the insulating coating after first component and second component mixture by making
At, it is characterised in that: in parts by weight, the first component is by 100 parts of vinylites, 50 ~ 100 parts of fillers, 0 ~ 50
Part diluent and 0.5 ~ 5 part of thixotropic agent are constituted, wherein the filler first passes through plasma process processing in advance；The second group
Divide and is made of 1 ~ 10 part of initiator and 0.5 ~ 2 part of promotor.
2. a kind of titanium alloy according to claim 1 and carbon fibre composite bonding insulating coating, it is characterised in that:
The filler is at least one of mica powder, talcum powder, blanc fixe, light calcium and glass microballoon.
3. a kind of titanium alloy according to claim 1 and carbon fibre composite bonding insulating coating, it is characterised in that:
The thixotropic agent is at least one of fumed silica, organobentonite, polyamide wax.
4. a kind of titanium alloy according to claim 1 and carbon fibre composite bonding insulating coating, it is characterised in that:
The initiator is azo-initiator, organic peroxide initiator, inorganic peroxygen species initiator or azo
Close object initiator.
5. a kind of titanium alloy according to claim 1 and carbon fibre composite bonding insulating coating, it is characterised in that:
The promotor is cobalt naphthenate.
6. a kind of titanium alloy according to claim 1 and carbon fibre composite the bonding preparation method of insulating coating,
Characterized by comprising the following steps:
(1), 50 ~ 100 parts of fillers according to parts by weight, is taken to be put into plasma surface treatment instrument, and be passed through thereto air,
Nitrogen, hydrogen, oxygen, argon gas, helium, any one in neon, until the pressure in plasma processing chamber be 40 ~
50Pa, later, controlling discharge pressure in plasma processing chamber is 50 ~ 80Pa, and irradiation power is 100 ~ 300W, is irradiated
5 ~ 15min is handled, plasma-activated processing filler is made, it is spare；
(2), it according to parts by weight, takes 100 parts of vinylites and 0 ~ 50 part of diluent to be put into rotation dispersion machine to carry out at dispersion
4 ~ 7min is managed, later, 0.5 ~ 5 part of thixotropic agent is added into gained mixture, carries out 8 ~ 15min of decentralized processing again, then, in
Under the revolving speed of 300 ~ 500r/min, plasma-activated processing filler made from 50 ~ 100 parts of steps (1), addition are added thereto
After the completion, dispersed with the revolving speed of 1000 ~ 1200r/min, until gained mixture is in uniform shape, first component is made, it is spare；
(3), it according to parts by weight, takes 1 ~ 10 part of initiator and 0.5 ~ 2 part of promotor to be mixed, second component is made, it is spare；
(4), second component made from first component made from step (2) and step (3) is mixed, after mixing well to get at
Product insulating coating.
7. a kind of titanium alloy according to claim 1 and carbon fibre composite the bonding adhering method of insulating coating,
Characterized by comprising the following steps:
Step 1: titanium alloy is bonded surface treatment
It is roughened using bonding plane of the blasting craft to titanium alloy, remains its bonding plane non-scale, it later, will
Gained titanium alloy is put into plasma surface treatment instrument, and be passed through thereto air, nitrogen, hydrogen, oxygen, argon gas, helium,
Any one in neon later, controls corona treatment until the pressure in plasma processing chamber is 40 ~ 50Pa
Discharge pressure is 50 ~ 80Pa in cavity, and irradiation power is 100 ~ 500W, carries out 5 ~ 15min of radiation treatment, obtained bonding plane obtains
The titanium alloy of activation processing, it is spare；
Step 2: carbon fibre composite is bonded surface treatment
The bonding plane of carbon fibre composite is roughened using the method that sand paper is polished, later, by gained carbon fiber
Dimension composite material be put into plasma surface treatment instrument, and be passed through thereto air, nitrogen, hydrogen, oxygen, argon gas, helium,
Any one in neon later, controls corona treatment until the pressure in plasma processing chamber is 40 ~ 50Pa
Discharge pressure is 50 ~ 80Pa in cavity, and irradiation power is 100 ~ 500W, carries out 5 ~ 15min of radiation treatment, obtained bonding plane obtains
The carbon fibre composite of activation processing, it is spare；
Step 3: bonding is handled
Take configured insulating coating that carbon fiber made from the titanium alloy bonding plane made from step 1 and step 2 is respectively coated
Composite material bonding plane later docks titanium alloy bonding plane and carbon fibre composite bonding plane, in applying on interface
Under the pressure condition for adding 1000 ~ 2000Pa, progress curing process 18 ~ for 24 hours, i.e., completion titanium alloy and carbon fibre composite is viscous
It connects.
8. a kind of titanium alloy according to claim 7 and carbon fibre composite the bonding adhering method of insulating coating,
It is characterized by: after the curing process, also being carried out to the bonding site of titanium alloy and carbon fibre composite in step 3
Rear curing process 0.8-1.5h under the conditions of having 60 ~ 200 DEG C.
9. a kind of titanium alloy according to claim 7 and carbon fibre composite the bonding adhering method of insulating coating,
It is characterized by: the matrix resin of the carbon fibre composite is epoxy vinyl ester resin, vinylite, asphalt mixtures modified by epoxy resin
Rouge, bimaleimide resin, polyimide resin, phenolic resin, benzoxazine resin, cyanate ester resin and unsaturated polyester (UP)
Any one or a few in resin.
10. a kind of titanium alloy according to claim 7 and carbon fibre composite the bonding adhering method of insulating coating,
It is characterized by: in step 3, coating of the insulating coating in titanium alloy bonding plane and carbon fibre composite bonding plane
Mode is brushing, roller coating or spraying.
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| CN113245169A (en) * | 2021-04-20 | 2021-08-13 | 西北工业大学 | Method for spraying lubricating coating on titanium alloy fastener or connecting piece |
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