CN105237791B - A kind of method for preparing cladding coating on fibre reinforced thermoplastic composite surface using laser assisted SHS techniques - Google Patents
A kind of method for preparing cladding coating on fibre reinforced thermoplastic composite surface using laser assisted SHS techniques Download PDFInfo
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Abstract
A kind of method for preparing cladding coating on fibre reinforced thermoplastic composite surface using laser assisted SHS techniques, it is related to a kind of method for preparing cladding coating.The invention aims to solve the existing method complex process that metal coating is prepared on fibre reinforced thermoplastic composite surface, the problem of strength of joint is low, and resin easily deforms and is of high cost.Method：Pre-treatment is carried out to fibre reinforced thermoplastic composite；It 2nd, will be on the surface of the cladding powder fibre reinforced thermoplastic composite that is laid in that treated, cladding powder is compacted again, it irradiates in a vacuum chamber again, the fibre reinforced thermoplastic composite of the cladding coating of surface formation is obtained, that is, completes a kind of method for preparing cladding coating on fibre reinforced thermoplastic composite surface using laser assisted SHS techniques.The present invention can obtain a kind of method for preparing cladding coating on fibre reinforced thermoplastic composite surface using laser assisted SHS techniques.
Description
Technical field
The present invention relates to a kind of methods for preparing cladding coating.
Background technology
Fibre reinforced thermoplastic composite (Fiber Reinforced Thermo Plastics, abbreviation CRTP) has
There are specific strength and specific stiffness height, designability is strong, and fatigue crack-resistant performance is good, corrosion-resistant, and structure size stability is good, convenient for big
The advantages of area monolithic molding and special electromagnetic performance etc. are unique plays in the high coming of new field such as aerospace, automobile
Increasingly important role.
In CRTP materials, although carbon fiber high temperature resistant, the fusing point of matrix resin is relatively low, soft in 200~300 DEG C of beginnings
Change, commonly use thermoplastic resin as polyethylene terephthalate, polyphenylene sulfide, polyether-ketone and polyether-ether-ketone etc..Gather to benzene two
The fusing point of formic acid ethylene glycol fat is 270 DEG C, and glass transition temperature is 69 DEG C；The fusing point of polyphenylene sulfide is 288 DEG C, and vitrifying turns
Temperature is 85 DEG C；The fusing point of polyether-ketone is 376 DEG C, and glass transition temperature is 165 DEG C；The fusing point of polyether-ether-ketone is 334 DEG C,
Glass transition temperature is 145 DEG C；Resin declines the restriction ability of carbon fiber after softening in CRTP materials, causes original braiding
Mode is destroyed, whole pattern deformation, and heat resistance is poor.And the shortcomings that its low wear-resisting property, also constrains its application.
Traditional method has the methods of plasma spraying, sputter coating, film applicator coating to prepare metal coating.Conventional method exists
Main problem one be that existing coating deposition rate is relatively low, it is of high cost, and be difficult to realize the cladding on labyrinth surface；Second is that
The adhesive force of coating is relatively low, and other methods metal coating is in the curing of CFRP material surfaces, is bonded in addition to plasma spraying, and
It does not chemically react, realizes its interatomic combination.Carbon fiber and resin matrix coefficient of thermal expansion are less than most metals
Material, for example, the density of C is 1.4~1.75gcm-3, linear expansion coefficient is 0~2K-1·10-6, fusing point is 3600~3800
DEG C, thermal conductivity is 60~210Wm-1·K-1, elasticity modulus is 20~100Gpa；The density of Ti alloys is 4.5~4.76/g
cm-3, linear expansion coefficient is 8.4~9.9K-1·10-6, fusing point is 1500~1700 DEG C, thermal conductivity 16Wm-1·K-1, elasticity
Modulus is 110~176Gpa；The density of Ni alloys is 8.3gcm-3, linear expansion coefficient 16.3K-1·10-6, fusing point 1455
DEG C, the density of elasticity modulus 206/Gpa, Al alloy is 2.72~2.82gcm-3, linear expansion coefficient 23.2K-1·10-6,
Fusing point is 500~635 DEG C, thermal conductivity 193Wm-1·K-1, elasticity modulus 72Gpa.
Particularity in the design feature and performance of CFRP composite materials in itself determines meeting during to its surface cladding coating
Many problems are encountered, mainly there is the following：First, larger remnants are also easy to produce from high temperature to sub-cooled process floating coat should
Power makes it easily crack even coating and metal-stripping under the action of thermal stress；2nd, wetability is bad, most of
Metal is difficult to soak or cannot soak CFRP composite materials；3rd, heating process can release a large amount of gas, seriously affect coating work
The quality of skill process causes to generate a large amount of stomatas in connector；4th, after matrix is heated, resin starts vitrifying at 300 DEG C or so and turns
Become, softening, if the time is longer, serious deformation can occur in itself for material；5th, CFRP composite materials are opened for 400 DEG C or so in air
Begin to aoxidize, therefore cladding experiment must be carried out during cladding under vacuum or inert gas shielding.
Invention content
The invention aims to solve existing to prepare metal coating on fibre reinforced thermoplastic composite surface
The problem of method complex process, strength of joint is low, and resin easily deforms and is of high cost, and provide a kind of using laser assisted
The method that SHS techniques prepare cladding coating on fibre reinforced thermoplastic composite surface.
It is a kind of to prepare the side of cladding coating on fibre reinforced thermoplastic composite surface using laser assisted SHS techniques
Method is completed according to the following steps：
First, the pre-treatment of fibre reinforced thermoplastic composite：Using sand paper to fibre reinforced thermoplastic composite material
The surface of material is polished, and obtains the smooth fibre reinforced thermoplastic composite in surface；Using absolute ethyl alcohol to surface light
Sliding fibre reinforced thermoplastic composite cleans 3 times~5 times, then spontaneously dries at room temperature, and obtaining that treated, carbon is fine
Dimension enhancing thermoplastic composite；
2nd, by treated, fibre reinforced thermoplastic composite is put into walking mechanism, then cladding powder is tiled
On the surface of fibre reinforced thermoplastic composite after treatment, and cladding powder is compacted, then puts walking mechanism
Enter into vacuum chamber, and vacuum chamber is vacuumized, when the vacuum degree in vacuum chamber is 5 × 10-3When, start laser, laser
By on the fibre reinforced thermoplastic composite surface that is irradiated to that treated of the transparent glass at vacuum chamber top center
On cladding powder, in the irradiation power of laser be 50W~100W and the movement speed of walking mechanism is 0.8m/min~1.5m/
It is irradiated under conditions of min, obtains the fibre reinforced thermoplastic composite of the cladding coating of surface formation, that is, complete one
The method that kind prepares cladding coating using laser assisted SHS techniques on fibre reinforced thermoplastic composite surface；
Cladding powder described in step 2 is TC4 powder or Ti-Al mixed-powders.
The principle of the present invention and advantage：
First, the present invention using laser assisted SHS in order in fibre reinforced thermoplastic composite surface cladding metal, be melted
Coating process；It is that SHS technology (SHS) merges a kind of advanced in metal watch of generation with laser melting and coating technique
Face prepares coating technique；It yet there are no the relevant report for carrying out polymer matrix composites surface metalation using the technology；
2nd, using the method for the present invention, cladding coating can be formed on fibre reinforced thermoplastic composite surface, is tested
Show that cladding powder wetability on fibre reinforced thermoplastic composite is good, can be answered in fibre reinforced thermoplasticity
Condensation material surface spreading, the C of the resin decomposition generation in cladding powder and fibre reinforced thermoplastic composite occur from climing
Prolong reaction, and can also be chemically reacted with carbon fiber, make cladding powder to fibre reinforced thermoplastic composite gap
Middle infiltration, and good combination is formed, and observe by the interface to carbon fiber and coating, it can be seen that carbon fiber
It closely links together with both coatings；
3rd, cladding coating can be formed on fibre reinforced thermoplastic composite surface using the method for the present invention, carbon is fine
The bond strength of dimension enhancing thermoplastic composite and the cladding coating on its surface is 3MPa~4MPa；
4th, the present invention solves the existing method work that metal coating is prepared on fibre reinforced thermoplastic composite surface
The problem of skill is complicated, and strength of joint is low, and resin easily deforms and is of high cost, can be mass-produced；
5th, laser assisted SHS claddings its be noteworthy characterized by laser melting coating metal and basis material SHS can to occur in itself anti-
Ceramic coating should be generated；Cladding coating prepared by the present invention is the SHS process under laser assisted effect, saves material
Cost；Ceramic coating can be formed on fibre reinforced thermoplastic composite surface under relatively low laser power 50W~100W,
2~3 times of energy or more is saved, reduces equipment cost；Preparing cladding coating in CFRP composite material surfaces, can integrate improvement its is resistance to
The performances such as mill, heat-insulated, high temperature resistance, shock resistance；
6th, melt deposited metals layer using the reactive chemistry heat of laser energy and part deposited metals and matrix, section
The about energy and cost；
7th, laser welding technology tool noncontact processing treats cladding coating and does not generate external force effect, and experiment process is in vacuum
Under state, green pollution-free；
8th, laser can be transmitted and be converted by optical element, and precision is high, and the degree of automation and production efficiency are high,
The present invention can realize the cladding to complex structural member.
The present invention can obtain a kind of utilization laser assisted SHS techniques and be prepared on fibre reinforced thermoplastic composite surface
The method of cladding coating.
Description of the drawings
Fig. 1 is the operation chart tested in one in irradiation process；1 is laser beam in Fig. 1, and 2 be transparent glass, and 3 be true
Empty room, 4 be cladding powder, and 5 be treated fibre reinforced thermoplastic composite, and 6 be walking mechanism；
Fig. 2 is to test the fibre reinforced thermoplastic composite material of TC4 cladding coatings that the surface that a step 2 obtains is formed
The SEM figures of cladding coating on material；
Fig. 3 is to test the fibre reinforced thermoplastic composite material of TC4 cladding coatings that the surface that a step 2 obtains is formed
The interface SEM of cladding coating and fibre reinforced thermoplastic composite schemes in material；
Fig. 4 is to test the fibre reinforced thermoplastic composite of TC4 cladding coatings that the surface that a step 2 obtains is formed
The interface secondary electron shape appearance figure of cladding coating and fibre reinforced thermoplastic composite in material；
Fig. 5 is to test the fibre reinforced thermoplastic composite material of TC4 cladding coatings that the surface that a step 2 obtains is formed
The interface TEM back scattering shape appearance figures of cladding coating and fibre reinforced thermoplastic composite in material.
Specific embodiment
Specific embodiment one：Present embodiment is a kind of utilization laser assisted SHS techniques in fibre reinforced thermoplasticity
The method that composite material surface prepares cladding coating is completed according to the following steps：
First, the pre-treatment of fibre reinforced thermoplastic composite：Using sand paper to fibre reinforced thermoplastic composite material
The surface of material is polished, and obtains the smooth fibre reinforced thermoplastic composite in surface；Using absolute ethyl alcohol to surface light
Sliding fibre reinforced thermoplastic composite cleans 3 times~5 times, then spontaneously dries at room temperature, and obtaining that treated, carbon is fine
Dimension enhancing thermoplastic composite；
2nd, by treated, fibre reinforced thermoplastic composite is put into walking mechanism, then cladding powder is tiled
On the surface of fibre reinforced thermoplastic composite after treatment, and cladding powder is compacted, then puts walking mechanism
Enter into vacuum chamber, and vacuum chamber is vacuumized, when the vacuum degree in vacuum chamber is 5 × 10-3When, start laser, laser
By on the fibre reinforced thermoplastic composite surface that is irradiated to that treated of the transparent glass at vacuum chamber top center
On cladding powder, in the irradiation power of laser be 50W~100W and the movement speed of walking mechanism is 0.8m/min~1.5m/
It is irradiated under conditions of min, obtains the fibre reinforced thermoplastic composite of the cladding coating of surface formation, that is, complete one
The method that kind prepares cladding coating using laser assisted SHS techniques on fibre reinforced thermoplastic composite surface；
Cladding powder described in step 2 is TC4 powder or Ti-Al mixed-powders.
The principle and advantage of present embodiment：
First, present embodiment is in order in fibre reinforced thermoplastic composite surface cladding metal, using laser assisted
SHS melting and coating process；It is that SHS technology (SHS) merges a kind of advanced in gold of generation with laser melting and coating technique
Metal surface prepares coating technique；It yet there are no the related report for carrying out polymer matrix composites surface metalation using the technology
Road；
2nd, using present embodiment method, cladding coating can be formed on fibre reinforced thermoplastic composite surface,
Experiments have shown that cladding powder wetability on fibre reinforced thermoplastic composite is good, it can be in fibre reinforced thermoplastic
Property composite material surface sprawl, the C of resin decomposition in cladding powder and fibre reinforced thermoplastic composite generation occurs
Self-propagating reaction, and can also be chemically reacted with carbon fiber, make cladding powder to fibre reinforced thermoplastic composite
It is permeated in gap, and forms good combination, and observed by the interface to carbon fiber and coating, it can be seen that carbon
Both fiber and coating closely link together；
3rd, cladding coating can be formed on fibre reinforced thermoplastic composite surface using present embodiment method,
The bond strength of fibre reinforced thermoplastic composite and the cladding coating on its surface is 3MPa~4MPa；
4th, present embodiment solves the existing side that metal coating is prepared on fibre reinforced thermoplastic composite surface
The problem of method complex process, strength of joint is low, and resin easily deforms and is of high cost, can be mass-produced；
5th, laser assisted SHS claddings its be noteworthy characterized by laser melting coating metal and basis material SHS can to occur in itself anti-
Ceramic coating should be generated；Cladding coating prepared by present embodiment is the SHS process under laser assisted effect, is saved
Material cost；Ceramics can be formed under relatively low laser power 50W~100W on fibre reinforced thermoplastic composite surface
Coating saves 2~3 times of energy or more, reduces equipment cost；Improvement can be integrated by preparing cladding coating in CFRP composite material surfaces
The performances such as its wear-resisting, heat-insulated, high temperature resistance, shock resistance；
6th, melt deposited metals layer using the reactive chemistry heat of laser energy and part deposited metals and matrix, section
The about energy and cost；
7th, laser welding technology tool noncontact processing treats cladding coating and does not generate external force effect, and experiment process is in vacuum
Under state, green pollution-free；
8th, laser can be transmitted and be converted by optical element, and precision is high, and the degree of automation and production efficiency are high,
Present embodiment can realize the cladding to complex structural member.
Present embodiment can obtain a kind of utilization laser assisted SHS techniques on fibre reinforced thermoplastic composite surface
The method for preparing cladding coating.
Specific embodiment two：Present embodiment is with one difference of specific embodiment：The grain size of the TC4 powder
For 45um~75um.Other steps are same as the specific embodiment one.
Specific embodiment three：One of present embodiment and specific embodiment one or two difference are：The Ti-Al
Mixed-powder is Ti powder and the mixture of Al powder；The mass fraction of Ti powder is 64% in the Ti-Al mixed-powders
~86%.Other steps are the same as one or two specific embodiments.
Specific embodiment four：One of present embodiment and specific embodiment one to three difference are：The Ti-Al
Al powder is 2024 powder of Al in mixed-powder, and grain size is 30 μm~45 μm.Other steps and specific embodiment one to three-phase
Together.
Specific embodiment five：One of present embodiment and specific embodiment one to four difference are：The Ti powder
Purity >=99.99% at end, grain size are 30 μm~45 μm.Other steps are identical with specific embodiment one to four.
Specific embodiment six：One of present embodiment and specific embodiment one to five difference are：It will in step 2
Treated, and fibre reinforced thermoplastic composite is put into walking mechanism, then cladding powder is laid in treated carbon is fine
On the surface of dimension enhancing thermoplastic composite, and cladding powder is compacted, then walking mechanism is put into vacuum chamber, and
Vacuum chamber is vacuumized, when the vacuum degree in vacuum chamber is 5 × 10-3When, start laser, laser passes through in vacuum chamber top
On cladding powder on transparent glass at the heart is irradiated to that treated fibre reinforced thermoplastic composite surface, in laser
Irradiation power 80W~100W and walking mechanism movement speed to be irradiated under conditions of 0.8m/min~1.2m/min,
The fibre reinforced thermoplastic composite of the cladding coating of surface formation is obtained, that is, completes a kind of utilization laser assisted SHS works
The method that skill prepares cladding coating on fibre reinforced thermoplastic composite surface；
Cladding powder described in step 2 is TC4 powder.Other steps are identical with specific embodiment one to five.
Specific embodiment seven：One of present embodiment and specific embodiment one to six difference are：It will in step 2
Treated, and fibre reinforced thermoplastic composite is put into walking mechanism, then cladding powder is laid in treated carbon is fine
On the surface of dimension enhancing thermoplastic composite, and cladding powder is compacted, then walking mechanism is put into vacuum chamber, and
Vacuum chamber is vacuumized, when the vacuum degree in vacuum chamber is 5 × 10-3When, start laser, laser passes through in vacuum chamber top
On cladding powder on transparent glass at the heart is irradiated to that treated fibre reinforced thermoplastic composite surface, in laser
Irradiation power 50W~80W and walking mechanism movement speed to be irradiated under conditions of 0.8m/min~1.2m/min, obtain
The fibre reinforced thermoplastic composite of the cladding coating formed to surface completes a kind of utilization laser assisted SHS techniques
In the method that fibre reinforced thermoplastic composite surface prepares cladding coating；
Cladding powder described in step 2 is Ti-Al mixed-powders.Other steps and one to six phase of specific embodiment
Together.
Specific embodiment eight：One of present embodiment and specific embodiment one to seven difference are：It will in step 2
Treated, and fibre reinforced thermoplastic composite is put into walking mechanism, then cladding powder is laid in treated carbon is fine
On the surface of dimension enhancing thermoplastic composite, and cladding powder is compacted, then walking mechanism is put into vacuum chamber, and
Vacuum chamber is vacuumized, when the vacuum degree in vacuum chamber is 5 × 10-3When, start laser, laser passes through in vacuum chamber top
On cladding powder on transparent glass at the heart is irradiated to that treated fibre reinforced thermoplastic composite surface, in laser
Irradiation power 80W and walking mechanism movement speed to be irradiated under conditions of 1m/min, obtain the cladding of surface formation
The fibre reinforced thermoplastic composite of coating completes a kind of utilization laser assisted SHS techniques in fibre reinforced thermoplastic
The method that property composite material surface prepares cladding coating；
Cladding powder described in step 2 is TC4 powder.Other steps are identical with specific embodiment one to seven.
Specific embodiment nine：One of present embodiment and specific embodiment one to eight difference are：It will in step 2
Treated, and fibre reinforced thermoplastic composite is put into walking mechanism, then cladding powder is laid in treated carbon is fine
On the surface of dimension enhancing thermoplastic composite, and cladding powder is compacted, then walking mechanism is put into vacuum chamber, and
Vacuum chamber is vacuumized, when the vacuum degree in vacuum chamber is 5 × 10-3When, start laser, laser passes through in vacuum chamber top
On cladding powder on transparent glass at the heart is irradiated to that treated fibre reinforced thermoplastic composite surface, in laser
Irradiation power 50W and walking mechanism movement speed to be irradiated under conditions of 1m/min, obtain the cladding of surface formation
The fibre reinforced thermoplastic composite of coating completes a kind of utilization laser assisted SHS techniques in fibre reinforced thermoplastic
The method that property composite material surface prepares cladding coating；
Cladding powder described in step 2 is Ti-Al mixed-powders.Other steps and one to eight phase of specific embodiment
Together.
Beneficial effects of the present invention are verified using tests below：
Experiment one：It is a kind of to prepare cladding on fibre reinforced thermoplastic composite surface using laser assisted SHS techniques
The method of coating is completed according to the following steps：
First, the pre-treatment of fibre reinforced thermoplastic composite：Using sand paper to fibre reinforced thermoplastic composite material
The surface of material is polished, and obtains the smooth fibre reinforced thermoplastic composite in surface；Using absolute ethyl alcohol to surface light
Sliding fibre reinforced thermoplastic composite cleans 4 times, then spontaneously dries at room temperature, the fibre reinforced that obtains that treated
Thermoplastic composite；
2nd, by treated, fibre reinforced thermoplastic composite is put into walking mechanism, then cladding powder is tiled
On the surface of fibre reinforced thermoplastic composite after treatment, and cladding powder is compacted, then puts walking mechanism
Enter into vacuum chamber, and vacuum chamber is vacuumized, when the vacuum degree in vacuum chamber is 5 × 10-3When, start laser, laser
By on the fibre reinforced thermoplastic composite surface that is irradiated to that treated of the transparent glass at vacuum chamber top center
On cladding powder, laser irradiation power be 80W and the movement speed of walking mechanism be 1m/min under conditions of irradiated,
The fibre reinforced thermoplastic composite that surface forms TC4 cladding coatings is obtained, that is, completes a kind of utilization laser assisted SHS works
The method that skill prepares cladding coating on fibre reinforced thermoplastic composite surface；
Cladding powder described in step 2 is TC4 powder.
Fig. 1 is the operation chart tested in one in irradiation process；1 is laser beam in Fig. 1, and 2 be transparent glass, and 3 be true
Empty room, 4 be cladding powder, and 5 be treated fibre reinforced thermoplastic composite, and 6 be walking mechanism；
Fig. 2 is to test the fibre reinforced thermoplastic composite material of TC4 cladding coatings that the surface that a step 2 obtains is formed
The SEM figures of cladding coating on material；
Fig. 3 is to test the fibre reinforced thermoplastic composite material of TC4 cladding coatings that the surface that a step 2 obtains is formed
The interface SEM of cladding coating and fibre reinforced thermoplastic composite schemes in material；
Fig. 4 is to test the fibre reinforced thermoplastic composite of TC4 cladding coatings that the surface that a step 2 obtains is formed
The interface secondary electron shape appearance figure of cladding coating and fibre reinforced thermoplastic composite in material；
Fig. 5 is to test the fibre reinforced thermoplastic composite material of TC4 cladding coatings that the surface that a step 2 obtains is formed
The interface TEM back scattering shape appearance figures of cladding coating and fibre reinforced thermoplastic composite in material.
From Fig. 2, Fig. 3, Fig. 4 and Fig. 5 it is found that the fibre reinforced thermoplasticity that one surface of experiment forms TC4 cladding coatings is answered
Cladding powder wetability on fibre reinforced thermoplastic composite is good in condensation material, can be in fibre reinforced thermoplasticity
Composite material surface is sprawled, and the thermoplastic resin in cladding powder and fibre reinforced thermoplastic composite decomposes the C of generation
Self-propagating reaction occurs, and can also be chemically reacted with carbon fiber, makes cladding powder to fibre reinforced thermoplastic composite
It is permeated in material, and forms good combination therewith, and SEM, TEM points are carried out by the interface of carbon fiber and cladding coating
Analysis, it can be seen that the two closely links together.
Claims (9)
1. a kind of prepare the side of cladding coating using laser assisted SHS techniques on fibre reinforced thermoplastic composite surface
Method, it is characterised in that a kind of that cladding painting is prepared on fibre reinforced thermoplastic composite surface using laser assisted SHS techniques
The method of layer is completed according to the following steps：
First, the pre-treatment of fibre reinforced thermoplastic composite：Using sand paper to fibre reinforced thermoplastic composite
Surface is polished, and obtains the smooth fibre reinforced thermoplastic composite in surface；It is smooth to surface using absolute ethyl alcohol
Fibre reinforced thermoplastic composite cleans 3 times~5 times, then spontaneously dries at room temperature, and obtaining that treated, carbon fiber increases
Heat-flash plastic composites；
2nd, by treated, fibre reinforced thermoplastic composite is put into walking mechanism, then cladding powder is laid in place
On the surface of fibre reinforced thermoplastic composite after reason, and cladding powder is compacted, is then put into walking mechanism
In vacuum chamber, and vacuum chamber is vacuumized, when the vacuum degree in vacuum chamber is 5 × 10-3When, start laser, laser passes through
Cladding on transparent glass at vacuum chamber top center is irradiated to that treated fibre reinforced thermoplastic composite surface
On powder, in the irradiation power of laser be 50W~100W and the movement speed of walking mechanism is 0.8m/min~1.5m/min's
Under the conditions of irradiated, obtain surface formation cladding coating fibre reinforced thermoplastic composite, that is, complete a kind of profit
The method for preparing cladding coating on fibre reinforced thermoplastic composite surface with laser assisted SHS techniques；
Cladding powder described in step 2 is TC4 powder or Ti-Al mixed-powders；
Fibre reinforced thermoplastic composite material in the fibre reinforced thermoplastic composite for the cladding coating that the surface is formed
The bond strength of material and cladding coating is 3MPa~4MPa.
2. a kind of utilization laser assisted SHS techniques according to claim 1 are in fibre reinforced thermoplastic composite table
The method that face prepares cladding coating, it is characterised in that the grain size of the TC4 powder is 45um~75um.
3. a kind of utilization laser assisted SHS techniques according to claim 1 are in fibre reinforced thermoplastic composite table
The method that face prepares cladding coating, it is characterised in that the Ti-Al mixed-powders are Ti powder and the mixture of Al powder；Institute
The mass fraction of Ti powder is 64%~86% in the Ti-Al mixed-powders stated.
4. a kind of utilization laser assisted SHS techniques according to claim 1 are in fibre reinforced thermoplastic composite table
The method that face prepares cladding coating, it is characterised in that in the Ti-Al mixed-powders Al powder be 2024 powder of Al, grain size
It is 30 μm~45 μm.
5. a kind of utilization laser assisted SHS techniques according to claim 3 are in fibre reinforced thermoplastic composite table
The method that face prepares cladding coating, it is characterised in that purity >=99.99% of the Ti powder, grain size are 30 μm~45 μm.
6. a kind of utilization laser assisted SHS techniques according to claim 1 are in fibre reinforced thermoplastic composite table
The method that face prepares cladding coating, it is characterised in that fibre reinforced thermoplastic composite is put by treated in step 2
In walking mechanism, then by the surface of the cladding powder fibre reinforced thermoplastic composite that is laid in that treated, and will be molten
Whiting end is compacted, and then walking mechanism is put into vacuum chamber, and vacuum chamber is vacuumized, when the vacuum in vacuum chamber
Spend is 5 × 10-3When, start laser, laser passes through the carbon fiber that is irradiated to that treated of the transparent glass at vacuum chamber top center
Enhance on the cladding powder on thermoplastic composite surface, in irradiation power 80W~100W of laser and the shifting of walking mechanism
Dynamic speed obtains the fibre reinforced of the cladding coating of surface formation to be irradiated under conditions of 0.8m/min~1.2m/min
Thermoplastic composite completes a kind of utilization laser assisted SHS techniques in fibre reinforced thermoplastic composite surface system
The method of standby cladding coating；
Cladding powder described in step 2 is TC4 powder.
7. a kind of utilization laser assisted SHS techniques according to claim 1 are in fibre reinforced thermoplastic composite table
The method that face prepares cladding coating, it is characterised in that fibre reinforced thermoplastic composite is put by treated in step 2
In walking mechanism, then by the surface of the cladding powder fibre reinforced thermoplastic composite that is laid in that treated, and will be molten
Whiting end is compacted, and then walking mechanism is put into vacuum chamber, and vacuum chamber is vacuumized, when the vacuum in vacuum chamber
Spend is 5 × 10-3When, start laser, laser passes through the carbon fiber that is irradiated to that treated of the transparent glass at vacuum chamber top center
Enhance on the cladding powder on thermoplastic composite surface, in irradiation power 50W~80W of laser and the movement of walking mechanism
Speed is irradiated under conditions of being 0.8m/min~1.2m/min, obtains the fibre reinforced heat of the cladding coating of surface formation
Plastic composites are completed a kind of utilization laser assisted SHS techniques and are prepared on fibre reinforced thermoplastic composite surface
The method of cladding coating；
Cladding powder described in step 2 is Ti-Al mixed-powders.
8. a kind of utilization laser assisted SHS techniques according to claim 1 are in fibre reinforced thermoplastic composite table
The method that face prepares cladding coating, it is characterised in that fibre reinforced thermoplastic composite is put by treated in step 2
In walking mechanism, then by the surface of the cladding powder fibre reinforced thermoplastic composite that is laid in that treated, and will be molten
Whiting end is compacted, and then walking mechanism is put into vacuum chamber, and vacuum chamber is vacuumized, when the vacuum in vacuum chamber
Spend is 5 × 10-3When, start laser, laser passes through the carbon fiber that is irradiated to that treated of the transparent glass at vacuum chamber top center
Enhance on the cladding powder on thermoplastic composite surface, in the irradiation power 80W of laser and the movement speed of walking mechanism
To be irradiated under conditions of 1m/min, the fibre reinforced thermoplastic composite of the cladding coating of surface formation is obtained, i.e.,
Complete a kind of method for preparing cladding coating on fibre reinforced thermoplastic composite surface using laser assisted SHS techniques；
Cladding powder described in step 2 is TC4 powder.
9. a kind of utilization laser assisted SHS techniques according to claim 1 are in fibre reinforced thermoplastic composite table
The method that face prepares cladding coating, it is characterised in that fibre reinforced thermoplastic composite is put by treated in step 2
In walking mechanism, then by the surface of the cladding powder fibre reinforced thermoplastic composite that is laid in that treated, and will be molten
Whiting end is compacted, and then walking mechanism is put into vacuum chamber, and vacuum chamber is vacuumized, when the vacuum in vacuum chamber
Spend is 5 × 10-3When, start laser, laser passes through the carbon fiber that is irradiated to that treated of the transparent glass at vacuum chamber top center
Enhance on the cladding powder on thermoplastic composite surface, in the irradiation power 50W of laser and the movement speed of walking mechanism
To be irradiated under conditions of 1m/min, the fibre reinforced thermoplastic composite of the cladding coating of surface formation is obtained, i.e.,
Complete a kind of method for preparing cladding coating on fibre reinforced thermoplastic composite surface using laser assisted SHS techniques；
Cladding powder described in step 2 is Ti-Al mixed-powders.
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| CN108723363B (en) * | 2017-04-14 | 2021-02-09 | 中南大学 | Manufacturing method of ceramic and/or refractory intermetallic compound additive |
| DE102018214834B4 (en) * | 2018-08-31 | 2024-02-22 | Airbus Defence and Space GmbH | Method for nanostructuring carbon fiber surfaces in fiber composite plastics based on sulfur and aromatic hydrocarbons as well as a fiber composite plastic produced according to the method and a method for repairing at least one fiber in a fiber composite plastic |
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