CN105237791A - Method for preparing cladding coating on surface of carbon fiber reinforced thermo plastic by laser-assisted self-propagation high-temperature synthesis (SHS) technology - Google Patents
Method for preparing cladding coating on surface of carbon fiber reinforced thermo plastic by laser-assisted self-propagation high-temperature synthesis (SHS) technology Download PDFInfo
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Abstract
The invention discloses a method for preparing a cladding coating on the surface of carbon fiber reinforced thermo plastic by a laser-assisted self-propagation high-temperature synthesis (SHS) technology and relates to a cladding coating preparation method. The method solves the problem that the existing method for preparing a metal coating on the surface of carbon fiber reinforced thermo plastic has complex processes, low joint strength, easy resin deformation and a high cost. The method comprises pre-treating carbon fiber reinforced thermo plastic, laying cladding powder on the surface of the treated carbon fiber reinforced thermo plastic, compacting the cladding powder, and carrying out irradiation in a vacuum chamber to obtain the carbon fiber reinforced thermo plastic with a cladding coating on the surface so that the process for preparing a cladding coating on the surface of carbon fiber reinforced thermo plastic by a laser-assisted SHS technology is finished. The invention provides a method for preparing a cladding coating on the surface of carbon fiber reinforced thermo plastic by a laser-assisted SHS technology.
Description
Technical field
The present invention relates to a kind of method preparing cladding coating.
Background technology
Fibre reinforced thermoplastic composite (FiberReinforcedThermoPlastics, be called for short CRTP) there is specific tenacity and specific rigidity is high, designability is strong, fatigue crack-resistant performance is good, corrosion-resistant, scantlings of the structure good stability, is convenient to the advantage that big area monolithic molding and special electromagnetic performance etc. are unique, plays an increasingly important role in aerospace, the contour coming of new field of automobile.
In CRTP material, although carbon fiber is high temperature resistant, the fusing point of matrix resin is lower, starts to soften at 200 ~ 300 DEG C, and conventional thermoplastic resin is polyethylene terephthalate, polyphenylene sulfide, polyetherketone and polyether-ether-ketone etc.The fusing point of polyethylene terephthalate is 270 DEG C, and second-order transition temperature is 69 DEG C; The fusing point of polyphenylene sulfide is 288 DEG C, and second-order transition temperature is 85 DEG C; The fusing point of polyetherketone is 376 DEG C, and second-order transition temperature is 165 DEG C; The fusing point of polyether-ether-ketone is 334 DEG C, and second-order transition temperature is 145 DEG C; After softening in CRTP material, resin declines to the restriction ability of carbon fiber, causes original weaving manner to be destroyed, and overall pattern distortion, its resistance toheat is poor.And the shortcoming of its low wear resisting property also constrains its application.
Traditional method has the methods such as plasma spraying, sputter coating, film applicator coating to prepare metallic coating.The subject matter one that traditional method exists is that existing coating deposition rate is lower, and cost is high, and is difficult to the cladding realizing complex construction surface; Two is that the sticking power of coating is lower, and except plasma spraying, additive method metallic coating is just in the solidification of CFRP material surface, laminating, chemical reaction does not occur, realizes its interatomic combination.Carbon fiber and resin matrix thermal expansivity are lower than most metals material, and such as, the density of C is 1.4 ~ 1.75gcm
-3, linear expansivity is 0 ~ 2K
-110
-6, fusing point is 3600 ~ 3800 DEG C, and thermal conductivity is 60 ~ 210Wm
-1k
-1, Young's modulus is 20 ~ 100Gpa; The density of Ti alloy is 4.5 ~ 4.76/gcm
-3, linear expansivity is 8.4 ~ 9.9K
-110
-6, fusing point is 1500 ~ 1700 DEG C, and thermal conductivity is 16Wm
-1k
-1, Young's modulus is 110 ~ 176Gpa; The density of Ni alloy is 8.3gcm
-3, linear expansivity is 16.3K
-110
-6, fusing point is 1455 DEG C, and Young's modulus is the density of 206/Gpa, Al alloy is 2.72 ~ 2.82gcm
-3, linear expansivity is 23.2K
-110
-6, fusing point is 500 ~ 635 DEG C, and thermal conductivity is 193Wm
-1k
-1, Young's modulus is 72Gpa.
Singularity in the constructional feature of CFRP matrix material itself and performance determines and can run into many problems to during its surface cladding coating, mainly contain following some: one, easily produce larger unrelieved stress from high temperature to subcooling process floating coat, make it very easily crack under the effect of thermal stresses or even coating and metal-stripping; Two, wettability is bad, and most metals is difficult to wetting maybe can not soak CFRP matrix material; Three, heat-processed can release a large amount of gas, has a strong impact on the quality of coating process, causes producing a large amount of pore in joint; Four, after matrix is heated, resin starts glass transition at about 300 DEG C, and softening, if the time is longer, material itself serious deformation can occur; Five, CFRP matrix material in atmosphere about 400 DEG C start oxidation, therefore must carry out cladding test under vacuum or protection of inert gas during cladding.
Summary of the invention
The object of the invention is to solve the existing method complex process preparing metallic coating on fibre reinforced thermoplastic composite surface, strength of joint is low, the problem that resin easily deforms and cost is high, and provide a kind of laser assisted SHS technique that utilizes to prepare the method for cladding coating on fibre reinforced thermoplastic composite surface.
A kind of method utilizing laser assisted SHS technique to prepare cladding coating on fibre reinforced thermoplastic composite surface completes according to the following steps:
One, the pre-treatment of fibre reinforced thermoplastic composite: use the surface of sand paper to fibre reinforced thermoplastic composite to polish, obtain ganoid fibre reinforced thermoplastic composite; The smooth fibre reinforced thermoplastic composite of dehydrated alcohol effects on surface is used to clean 3 times ~ 5 times, more at room temperature seasoning, obtain the fibre reinforced thermoplastic composite after processing;
Two, the fibre reinforced thermoplastic composite after process is put in travel mechanism, again by the surface of cladding powder tiling fibre reinforced thermoplastic composite after treatment, and by cladding powder pressing, then travel mechanism is put in vacuum chamber, and vacuum chamber is vacuumized, when the vacuum tightness in vacuum chamber is 5 × 10
-3time, start laser, laser is irradiated on the cladding powder on the fibre reinforced thermoplastic composite surface after process by the transparent glass at vacuum chamber top center place, irradiation is carried out under the irradiation power of the laser translational speed that is 50W ~ 100W and travel mechanism is the condition of 0.8m/min ~ 1.5m/min, obtain the fibre reinforced thermoplastic composite of the cladding coating that surface is formed, namely complete a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface;
Cladding powder described in step 2 is TC4 powder or Ti-Al mixed powder.
Principle of the present invention and advantage:
One, the present invention is in order at fibre reinforced thermoplastic composite surface cladding metal, adopts laser assisted SHS melting and coating process; Its to be SHS technology (SHS) with laser melting and coating technique merge a kind of advanced person produced prepares coating process in metallic surface; Yet there are no the relevant report adopting this technology to carry out polymer matrix composites surface metalation;
Two, use the inventive method, cladding coating can be formed on fibre reinforced thermoplastic composite surface, test shows, cladding powder wettability on fibre reinforced thermoplastic composite is good, can at fibre reinforced thermoplastic composite surface spreading, there is self-propagating reaction in the C that the resin decomposition in cladding powder and fibre reinforced thermoplastic composite generates, and also can with carbon fiber generation chemical reaction, cladding powder is permeated in fibre reinforced thermoplastic composite gap, and form good combination, and by observing the interface of carbon fiber and coating, can see that carbon fiber and coating link together closely,
Three, use the inventive method can form cladding coating on fibre reinforced thermoplastic composite surface, the bonding strength of the cladding coating on fibre reinforced thermoplastic composite and its surface is 3MPa ~ 4MPa;
Four, the invention solves the existing method complex process preparing metallic coating on fibre reinforced thermoplastic composite surface, strength of joint is low, and the problem that resin easily deforms and cost is high, can be mass-produced;
Five, its notable feature of laser assisted SHS cladding is that laser melting coating metal and body material itself SHS can occur react and generate ceramic coating; Cladding coating prepared by the present invention is SHS process under laser assisted effect, saves material cost; Under lower laser power 50W ~ 100W, just can form ceramic coating on fibre reinforced thermoplastic composite surface, save the energy more than 2 ~ 3 times, reduce equipment cost; Prepare cladding coating at CFRP composite material surface and comprehensively can improve the performances such as it is wear-resisting, heat insulation, high temperature resistance, shock resistance;
Six, the reactive chemistry heat of laser energy and part deposited metals and matrix is utilized to melt to make deposited metals layer, save energy and cost;
Seven, laser welding technology tool noncontact processing, treat cladding coating and do not produce External Force Acting, under vacuum conditions, environmental protection is pollution-free for process of the test;
Eight, laser can be undertaken transmitting and converting by optical element, and precision is high, level of automation and production efficiency high, the present invention can realize the cladding to complex structural member.
The present invention can obtain a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface.
Accompanying drawing explanation
Fig. 1 is the operation chart in test one in irradiation process; In Fig. 1,1 is laser beam, and 2 is transparent glass, and 3 is vacuum chamber, and 4 is cladding powder, and 5 is the fibre reinforced thermoplastic composite after process, and 6 is travel mechanism;
Fig. 2 be the TC4 cladding coating that the surface that obtains of test one step 2 is formed fibre reinforced thermoplastic composite on the SEM figure of cladding coating;
Fig. 3 is that the interface SEM of cladding coating and fibre reinforced thermoplastic composite in the fibre reinforced thermoplastic composite of the TC4 cladding coating of the surface formation that test one step 2 obtains schemes;
The interface secondary electron shape appearance figure of cladding coating and fibre reinforced thermoplastic composite in the fibre reinforced thermoplastic composite of the TC4 cladding coating that Fig. 4 is formed for the surface of testing a step 2 and obtaining;
Fig. 5 is the interface TEM back scattering shape appearance figure of cladding coating and fibre reinforced thermoplastic composite in the fibre reinforced thermoplastic composite of the TC4 cladding coating of the surface formation that test one step 2 obtains.
Embodiment
Embodiment one: present embodiment is that a kind of method utilizing laser assisted SHS technique to prepare cladding coating on fibre reinforced thermoplastic composite surface completes according to the following steps:
One, the pre-treatment of fibre reinforced thermoplastic composite: use the surface of sand paper to fibre reinforced thermoplastic composite to polish, obtain ganoid fibre reinforced thermoplastic composite; The smooth fibre reinforced thermoplastic composite of dehydrated alcohol effects on surface is used to clean 3 times ~ 5 times, more at room temperature seasoning, obtain the fibre reinforced thermoplastic composite after processing;
Two, the fibre reinforced thermoplastic composite after process is put in travel mechanism, again by the surface of cladding powder tiling fibre reinforced thermoplastic composite after treatment, and by cladding powder pressing, then travel mechanism is put in vacuum chamber, and vacuum chamber is vacuumized, when the vacuum tightness in vacuum chamber is 5 × 10
-3time, start laser, laser is irradiated on the cladding powder on the fibre reinforced thermoplastic composite surface after process by the transparent glass at vacuum chamber top center place, irradiation is carried out under the irradiation power of the laser translational speed that is 50W ~ 100W and travel mechanism is the condition of 0.8m/min ~ 1.5m/min, obtain the fibre reinforced thermoplastic composite of the cladding coating that surface is formed, namely complete a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface;
Cladding powder described in step 2 is TC4 powder or Ti-Al mixed powder.
The principle of present embodiment and advantage:
One, present embodiment is in order at fibre reinforced thermoplastic composite surface cladding metal, adopts laser assisted SHS melting and coating process; Its to be SHS technology (SHS) with laser melting and coating technique merge a kind of advanced person produced prepares coating process in metallic surface; Yet there are no the relevant report adopting this technology to carry out polymer matrix composites surface metalation;
Two, use present embodiment method, cladding coating can be formed on fibre reinforced thermoplastic composite surface, test shows, cladding powder wettability on fibre reinforced thermoplastic composite is good, can at fibre reinforced thermoplastic composite surface spreading, there is self-propagating reaction in the C that the resin decomposition in cladding powder and fibre reinforced thermoplastic composite generates, and also can with carbon fiber generation chemical reaction, cladding powder is permeated in fibre reinforced thermoplastic composite gap, and form good combination, and by observing the interface of carbon fiber and coating, can see that carbon fiber and coating link together closely,
Three, use present embodiment method can form cladding coating on fibre reinforced thermoplastic composite surface, the bonding strength of the cladding coating on fibre reinforced thermoplastic composite and its surface is 3MPa ~ 4MPa;
Four, present embodiment solves the existing method complex process preparing metallic coating on fibre reinforced thermoplastic composite surface, and strength of joint is low, and the problem that resin easily deforms and cost is high, can be mass-produced;
Five, its notable feature of laser assisted SHS cladding is that laser melting coating metal and body material itself SHS can occur react and generate ceramic coating; Cladding coating prepared by present embodiment is SHS process under laser assisted effect, saves material cost; Under lower laser power 50W ~ 100W, just can form ceramic coating on fibre reinforced thermoplastic composite surface, save the energy more than 2 ~ 3 times, reduce equipment cost; Prepare cladding coating at CFRP composite material surface and comprehensively can improve the performances such as it is wear-resisting, heat insulation, high temperature resistance, shock resistance;
Six, the reactive chemistry heat of laser energy and part deposited metals and matrix is utilized to melt to make deposited metals layer, save energy and cost;
Seven, laser welding technology tool noncontact processing, treat cladding coating and do not produce External Force Acting, under vacuum conditions, environmental protection is pollution-free for process of the test;
Eight, laser can be undertaken transmitting and converting by optical element, and precision is high, level of automation and production efficiency high, present embodiment can realize the cladding to complex structural member.
Present embodiment can obtain a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface.
Embodiment two: present embodiment and embodiment one difference are: the particle diameter of described TC4 powder is 45um ~ 75um.Other steps are identical with embodiment one.
Embodiment three: one of present embodiment and embodiment one or two difference is: described Ti-Al mixed powder is the mixture of Ti powder and Al powder; In described Ti-Al mixed powder, the massfraction of Ti powder is 64% ~ 86%.Other steps are identical with embodiment one or two.
Embodiment four: one of present embodiment and embodiment one to three difference is: in described Ti-Al mixed powder, Al powder is Al2024 powder, particle diameter is 30 μm ~ 45 μm.Other steps are identical with embodiment one to three.
Embodiment five: one of present embodiment and embodiment one to four difference is: purity >=99.99% of described Ti powder, particle diameter is 30 μm ~ 45 μm.Other steps are identical with embodiment one to four.
Embodiment six: one of present embodiment and embodiment one to five difference is: in step 2, the fibre reinforced thermoplastic composite after process is put in travel mechanism, again by the surface of cladding powder tiling fibre reinforced thermoplastic composite after treatment, and by cladding powder pressing, then travel mechanism is put in vacuum chamber, and vacuum chamber is vacuumized, when the vacuum tightness in vacuum chamber is 5 × 10
-3time, start laser, laser is irradiated on the cladding powder on the fibre reinforced thermoplastic composite surface after process by the transparent glass at vacuum chamber top center place, irradiation is carried out under the irradiation power 80W ~ 100W of laser and the translational speed of travel mechanism are the condition of 0.8m/min ~ 1.2m/min, obtain the fibre reinforced thermoplastic composite of the cladding coating that surface is formed, namely complete a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface;
Cladding powder described in step 2 is TC4 powder.Other steps are identical with embodiment one to five.
Embodiment seven: one of present embodiment and embodiment one to six difference is: in step 2, the fibre reinforced thermoplastic composite after process is put in travel mechanism, again by the surface of cladding powder tiling fibre reinforced thermoplastic composite after treatment, and by cladding powder pressing, then travel mechanism is put in vacuum chamber, and vacuum chamber is vacuumized, when the vacuum tightness in vacuum chamber is 5 × 10
-3time, start laser, laser is irradiated on the cladding powder on the fibre reinforced thermoplastic composite surface after process by the transparent glass at vacuum chamber top center place, irradiation is carried out under the irradiation power 50W ~ 80W of laser and the translational speed of travel mechanism are the condition of 0.8m/min ~ 1.2m/min, obtain the fibre reinforced thermoplastic composite of the cladding coating that surface is formed, namely complete a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface;
Cladding powder described in step 2 is Ti-Al mixed powder.Other steps are identical with embodiment one to six.
Embodiment eight: one of present embodiment and embodiment one to seven difference is: in step 2, the fibre reinforced thermoplastic composite after process is put in travel mechanism, again by the surface of cladding powder tiling fibre reinforced thermoplastic composite after treatment, and by cladding powder pressing, then travel mechanism is put in vacuum chamber, and vacuum chamber is vacuumized, when the vacuum tightness in vacuum chamber is 5 × 10
-3time, start laser, laser is irradiated on the cladding powder on the fibre reinforced thermoplastic composite surface after process by the transparent glass at vacuum chamber top center place, irradiation is carried out under the irradiation power 80W of laser and the translational speed of travel mechanism are the condition of 1m/min, obtain the fibre reinforced thermoplastic composite of the cladding coating that surface is formed, namely complete a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface;
Cladding powder described in step 2 is TC4 powder.Other steps are identical with embodiment one to seven.
Embodiment nine: one of present embodiment and embodiment one to eight difference is: in step 2, the fibre reinforced thermoplastic composite after process is put in travel mechanism, again by the surface of cladding powder tiling fibre reinforced thermoplastic composite after treatment, and by cladding powder pressing, then travel mechanism is put in vacuum chamber, and vacuum chamber is vacuumized, when the vacuum tightness in vacuum chamber is 5 × 10
-3time, start laser, laser is irradiated on the cladding powder on the fibre reinforced thermoplastic composite surface after process by the transparent glass at vacuum chamber top center place, irradiation is carried out under the irradiation power 50W of laser and the translational speed of travel mechanism are the condition of 1m/min, obtain the fibre reinforced thermoplastic composite of the cladding coating that surface is formed, namely complete a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface;
Cladding powder described in step 2 is Ti-Al mixed powder.Other steps are identical with embodiment one to eight.
Adopt following verification experimental verification beneficial effect of the present invention:
Test one: a kind of method utilizing laser assisted SHS technique to prepare cladding coating on fibre reinforced thermoplastic composite surface completes according to the following steps:
One, the pre-treatment of fibre reinforced thermoplastic composite: use the surface of sand paper to fibre reinforced thermoplastic composite to polish, obtain ganoid fibre reinforced thermoplastic composite; The smooth fibre reinforced thermoplastic composite of dehydrated alcohol effects on surface is used to clean 4 times, more at room temperature seasoning, obtain the fibre reinforced thermoplastic composite after processing;
Two, the fibre reinforced thermoplastic composite after process is put in travel mechanism, again by the surface of cladding powder tiling fibre reinforced thermoplastic composite after treatment, and by cladding powder pressing, then travel mechanism is put in vacuum chamber, and vacuum chamber is vacuumized, when the vacuum tightness in vacuum chamber is 5 × 10
-3time, start laser, laser is irradiated on the cladding powder on the fibre reinforced thermoplastic composite surface after process by the transparent glass at vacuum chamber top center place, irradiation is carried out under the irradiation power of the laser translational speed that is 80W and travel mechanism is the condition of 1m/min, obtain the fibre reinforced thermoplastic composite that surface forms TC4 cladding coating, namely complete a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface;
Cladding powder described in step 2 is TC4 powder.
Fig. 1 is the operation chart in test one in irradiation process; In Fig. 1,1 is laser beam, and 2 is transparent glass, and 3 is vacuum chamber, and 4 is cladding powder, and 5 is the fibre reinforced thermoplastic composite after process, and 6 is travel mechanism;
Fig. 2 be the TC4 cladding coating that the surface that obtains of test one step 2 is formed fibre reinforced thermoplastic composite on the SEM figure of cladding coating;
Fig. 3 is that the interface SEM of cladding coating and fibre reinforced thermoplastic composite in the fibre reinforced thermoplastic composite of the TC4 cladding coating of the surface formation that test one step 2 obtains schemes;
The interface secondary electron shape appearance figure of cladding coating and fibre reinforced thermoplastic composite in the fibre reinforced thermoplastic composite of the TC4 cladding coating that Fig. 4 is formed for the surface of testing a step 2 and obtaining;
Fig. 5 is the interface TEM back scattering shape appearance figure of cladding coating and fibre reinforced thermoplastic composite in the fibre reinforced thermoplastic composite of the TC4 cladding coating of the surface formation that test one step 2 obtains.
From Fig. 2, Fig. 3, Fig. 4 and Fig. 5 is known, it is good that test one surface forms cladding powder wettability on fibre reinforced thermoplastic composite in the fibre reinforced thermoplastic composite of TC4 cladding coating, can at fibre reinforced thermoplastic composite surface spreading, thermoplastic resin in cladding powder and fibre reinforced thermoplastic composite decomposes the C generated and self-propagating reaction occurs, and also can with carbon fiber generation chemical reaction, cladding powder is permeated in fibre reinforced thermoplastic composite, and form with it good combination, and carry out SEM by the interface of carbon fiber and cladding coating, tem analysis, can find out that both link together closely.
Claims (9)
1. utilize laser assisted SHS technique to prepare a method for cladding coating on fibre reinforced thermoplastic composite surface, it is characterized in that a kind of method utilizing laser assisted SHS technique to prepare cladding coating on fibre reinforced thermoplastic composite surface completes according to the following steps:
One, the pre-treatment of fibre reinforced thermoplastic composite: use the surface of sand paper to fibre reinforced thermoplastic composite to polish, obtain ganoid fibre reinforced thermoplastic composite; The smooth fibre reinforced thermoplastic composite of dehydrated alcohol effects on surface is used to clean 3 times ~ 5 times, more at room temperature seasoning, obtain the fibre reinforced thermoplastic composite after processing;
Two, the fibre reinforced thermoplastic composite after process is put in travel mechanism, again by the surface of cladding powder tiling fibre reinforced thermoplastic composite after treatment, and by cladding powder pressing, then travel mechanism is put in vacuum chamber, and vacuum chamber is vacuumized, when the vacuum tightness in vacuum chamber is 5 × 10
-3time, start laser, laser is irradiated on the cladding powder on the fibre reinforced thermoplastic composite surface after process by the transparent glass at vacuum chamber top center place, irradiation is carried out under the irradiation power of the laser translational speed that is 50W ~ 100W and travel mechanism is the condition of 0.8m/min ~ 1.5m/min, obtain the fibre reinforced thermoplastic composite of the cladding coating that surface is formed, namely complete a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface;
Cladding powder described in step 2 is TC4 powder or Ti-Al mixed powder.
2. a kind of laser assisted SHS technique that utilizes according to claim 1 prepares the method for cladding coating on fibre reinforced thermoplastic composite surface, it is characterized in that the particle diameter of described TC4 powder is 45um ~ 75um.
3. a kind of laser assisted SHS technique that utilizes according to claim 1 prepares the method for cladding coating on fibre reinforced thermoplastic composite surface, it is characterized in that described Ti-Al mixed powder is the mixture of Ti powder and Al powder; In described Ti-Al mixed powder, the massfraction of Ti powder is 64% ~ 86%.
4. a kind of laser assisted SHS technique that utilizes according to claim 1 prepares the method for cladding coating on fibre reinforced thermoplastic composite surface, it is characterized in that in described Ti-Al mixed powder, Al powder is Al2024 powder, particle diameter is 30 μm ~ 45 μm.
5. a kind of laser assisted SHS technique that utilizes according to claim 1 prepares the method for cladding coating on fibre reinforced thermoplastic composite surface, and it is characterized in that purity >=99.99% of described Ti powder, particle diameter is 30 μm ~ 45 μm.
6. a kind of laser assisted SHS technique that utilizes according to claim 1 prepares the method for cladding coating on fibre reinforced thermoplastic composite surface, it is characterized in that in step 2, the fibre reinforced thermoplastic composite after process being put in travel mechanism, again by the surface of cladding powder tiling fibre reinforced thermoplastic composite after treatment, and by cladding powder pressing, then travel mechanism is put in vacuum chamber, and vacuum chamber is vacuumized, when the vacuum tightness in vacuum chamber is 5 × 10
-3time, start laser, laser is irradiated on the cladding powder on the fibre reinforced thermoplastic composite surface after process by the transparent glass at vacuum chamber top center place, irradiation is carried out under the irradiation power 80W ~ 100W of laser and the translational speed of travel mechanism are the condition of 0.8m/min ~ 1.2m/min, obtain the fibre reinforced thermoplastic composite of the cladding coating that surface is formed, namely complete a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface;
Cladding powder described in step 2 is TC4 powder.
7. a kind of laser assisted SHS technique that utilizes according to claim 1 prepares the method for cladding coating on fibre reinforced thermoplastic composite surface, it is characterized in that in step 2, the fibre reinforced thermoplastic composite after process being put in travel mechanism, again by the surface of cladding powder tiling fibre reinforced thermoplastic composite after treatment, and by cladding powder pressing, then travel mechanism is put in vacuum chamber, and vacuum chamber is vacuumized, when the vacuum tightness in vacuum chamber is 5 × 10
-3time, start laser, laser is irradiated on the cladding powder on the fibre reinforced thermoplastic composite surface after process by the transparent glass at vacuum chamber top center place, irradiation is carried out under the irradiation power 50W ~ 80W of laser and the translational speed of travel mechanism are the condition of 0.8m/min ~ 1.2m/min, obtain the fibre reinforced thermoplastic composite of the cladding coating that surface is formed, namely complete a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface;
Cladding powder described in step 2 is Ti-Al mixed powder.
8. a kind of laser assisted SHS technique that utilizes according to claim 1 prepares the method for cladding coating on fibre reinforced thermoplastic composite surface, it is characterized in that in step 2, the fibre reinforced thermoplastic composite after process being put in travel mechanism, again by the surface of cladding powder tiling fibre reinforced thermoplastic composite after treatment, and by cladding powder pressing, then travel mechanism is put in vacuum chamber, and vacuum chamber is vacuumized, when the vacuum tightness in vacuum chamber is 5 × 10
-3time, start laser, laser is irradiated on the cladding powder on the fibre reinforced thermoplastic composite surface after process by the transparent glass at vacuum chamber top center place, irradiation is carried out under the irradiation power 80W of laser and the translational speed of travel mechanism are the condition of 1m/min, obtain the fibre reinforced thermoplastic composite of the cladding coating that surface is formed, namely complete a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface;
Cladding powder described in step 2 is TC4 powder.
9. a kind of laser assisted SHS technique that utilizes according to claim 1 prepares the method for cladding coating on fibre reinforced thermoplastic composite surface, it is characterized in that in step 2, the fibre reinforced thermoplastic composite after process being put in travel mechanism, again by the surface of cladding powder tiling fibre reinforced thermoplastic composite after treatment, and by cladding powder pressing, then travel mechanism is put in vacuum chamber, and vacuum chamber is vacuumized, when the vacuum tightness in vacuum chamber is 5 × 10
-3time, start laser, laser is irradiated on the cladding powder on the fibre reinforced thermoplastic composite surface after process by the transparent glass at vacuum chamber top center place, irradiation is carried out under the irradiation power 50W of laser and the translational speed of travel mechanism are the condition of 1m/min, obtain the fibre reinforced thermoplastic composite of the cladding coating that surface is formed, namely complete a kind of laser assisted SHS technique that utilizes and prepare the method for cladding coating on fibre reinforced thermoplastic composite surface;
Cladding powder described in step 2 is Ti-Al mixed powder.
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| CN108723363A (en) * | 2017-04-14 | 2018-11-02 | 中南大学 | It is a kind of ceramics and/or refractory metal between compound increase material manufacturing method |
| CN110871566A (en) * | 2018-08-31 | 2020-03-10 | 空中客车防卫和太空有限责任公司 | Method for the surface nanostructuring of carbon fibers in fiber composite plastics based on sulfur and aromatic hydrocarbons |
| CN110883334A (en) * | 2018-09-11 | 2020-03-17 | 陕西千山航空电子有限责任公司 | Additive manufacturing method of heat-insulation and impact-resistant structural part |
| CN113857680A (en) * | 2021-09-13 | 2021-12-31 | 江苏大学 | Method for processing CFRP material by laser |
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