CN106975847A - The apparatus and method that a kind of fiber pulse induced with laser cuts carbon fibre composite - Google Patents
The apparatus and method that a kind of fiber pulse induced with laser cuts carbon fibre composite Download PDFInfo
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- CN106975847A CN106975847A CN201710389238.1A CN201710389238A CN106975847A CN 106975847 A CN106975847 A CN 106975847A CN 201710389238 A CN201710389238 A CN 201710389238A CN 106975847 A CN106975847 A CN 106975847A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
- B23K26/402—Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/16—Composite materials, e.g. fibre reinforced
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention is the apparatus and method that a kind of fiber pulse induced with laser cuts carbon fibre composite, including X Y stages and Z axis, fixture is provided with X Y stages, the side of three-axis numerical control workbench is provided with fiber pulse laser, the laser beam that fiber pulse laser is projected passes through speculum, filter and lens focus are on carbon fiber composite layer plywood surface, oxygen-containing jet nozzle is arranged on the lower section of lens, processing method of the present invention, utilize the structure and oxidation reaction characteristic of carbon fiber composite layer plywood, go deep into layer by layer with the oxidation reaction of carbon fibre composite, finally cut through whole laser irradiation region, complete the laser cutting of carbon fibre composite.The present invention fiber pulse laser it is radiation-induced under, the oxidation reaction for cracking carbide using carbon fiber in carbon fiber composite layer plywood and resin removes material, gradually cuts through material as oxidation reaction region extends to depth direction, completes cutting processing.
Description
Technical field
The invention belongs to laser cutting technique, refer specifically to a kind of using fiber pulse induced with laser carbon fibre composite temperature
Degree rise, the removal of carbon fiber and resin is realized using the oxidation reaction characteristic of carbon fiber and resin, for carbon fiber composite
The cutting processing of bed of material plywood.
Background technology
Carbon fiber enhancement resin base composite material（Carbon Fiber Reinforced Plastic, CFRP）Because its property
Energy is superior and obtains extensive use in fields such as Aero-Space, national defence, traffic.With lightweight, security, economy, voyage
Distance etc. requires to improve, and CFRP surges in the military application percentage with civil aircraft, from aircraft skin to aircraft center wing box,
The parts such as fan rotor blade, nacelle and the THR REV of engine.It is advanced that CFRP consumptions have turned into aerospace field
An important symbol.As China's military aircraft is developed rapidly with civilian big aircraft development, CFRP productions also turn into processing
China gives priority to field.
It is integral multi-layered laminated using carbon fiber tape plain weave or twill weave in individual layer more than CFRP to improve performance
Structure.As application expands, volume, shape and the complexity of CFRP parts are all in increase.Although can be by twining
Around the techniques such as shaping, resin transfer molding, autoclave molding directly produce complexity overall CFRP parts, but with
The accuracy of form and position, assembly precision and the quality requirement of CFRP parts are improved constantly, and cutting and hole machined are still essential.Due to carbon
Fiber stiffness and modulus are above the resin matrix of its outer wrapping, and to have CFRP heterogeneous for two kinds of component complex methods in addition
Property, anisotropy, the low feature of interlaminar strength.The mechanical processing technique based on drilling and milling is used current aerospace industry more, but
The fast short life of tool wear, is easily caused the manufacturing deficiencies such as layering, tear, burr.
During to ensure that crudy needs to sacrifice complicated processing efficiency, particularly machining shape and large-scale CFRP parts,
Not only processing efficiency is low also needs to expend a large amount of cutters.Laser Processing belongs to the noncontact procession of no cutting force, from root
Inhibiting from the manufacturing deficiency that tool wear is brought, therefore the eighties in last century just has many scholars that sight is concentrated on into laser to cut
Cut on CFRP.
The cracking or gasification that carbon fiber gasifies with resin are current laser cutting CFRP main material cutting mechanisms.It is this
Manufacturing deficiency caused by tool wear and abrasion is not only not present in material removing method without cutting force chipless, in processed complex
Also very low is required to clamping when shape or large-scale CFRP parts.Another significant advantage of laser cutting is no matter to cut or hole
Processing, it processes essence without difference, it is only necessary to which the track of numerical control device control laser cutting head is that can be achieved, without deposit
The machining tool of a large amount of difference sizes or type.The CFRP strong to structure adaptability is built based on laser to cut automatically
Cutting production line has broad prospect of application.
The content of the invention
The present invention for laser cutting carbon fiber composite layer plywood when can not meet simultaneously it is low damage with it is efficient
Present situation, is easily oxidized and the relatively low spy of oxidation onset temperature according to carbon fiber when laser irradiates CFRP in air and oxygen-enriched atmosphere
Point, proposes to remove the cutter device of carbon fiber and resin using oxidation reaction in oxygen atmosphere using fiber pulse induced with laser
And cutting method.
In order to achieve the above object, the present invention is achieved by the following technical solutions：
The present invention is the device that a kind of fiber pulse induced with laser cuts carbon fibre composite, including controls system by computer
System control three-axis numerical control workbench, three-axis numerical control workbench includes X-Y platform and Z axis, fixture is provided with X-Y platform
The carbon fiber composite layer plywood of clamping, fiber pulse laser, optical fiber arteries and veins are provided with the side of three-axis numerical control workbench
The laser beam for rushing laser injection passes through several speculums, filter and lens focus on carbon fiber composite layer plywood surface,
The opposite side of three-axis numerical control workbench is provided with oxygen-containing jet feedway, oxygen-containing jet feedway and oxygen-containing jet nozzle
Connection, oxygen-containing jet nozzle is arranged on the lower section of lens, the airflow direction of oxygen-containing jet nozzle with perpendicular to carbon fiber composite
The laser beams coaxial of bed of material plywood.
A kind of method that fiber pulse induced with laser cuts carbon fibre composite, cutting method comprises the following steps：
（A）Carbon fiber composite layer plywood clamping is fixed on the X-Y platform of three-axis numerical control workbench using fixture, calculated
Machine control system controls three-axis numerical control operating position, and by the X-Y platform of mobile control numerical control table, NC table, control laser beam exists
Position on carbon fiber composite layer plywood, the Z axis of mobile numerical control table, NC table controls the focal position of lens, and controls laser
The size of hot spot, the quantity of speculum is adjusted according to fiber position, and oxygen-containing jet nozzle provides oxygen atmosphere for laser irradiation region domain
Enclose, airflow direction and the laser beams coaxial perpendicular to carbon fiber composite layer plywood, filter are selected in light beam as needed
Laser beam portion with certain energy-distributing feature is filtered, using computer control system according to carbon fiber composite
The thermophysical property of material, the oxidation reaction characteristic of carbon fiber, the thermal decomposition of resin, the oxidation reaction characteristic of carbonized product, adjustment
The laser energy of fiber pulse laser, pulse width, repetition rate, cutting speed parameter；
（B）Fiber pulse laser is opened, pulse laser beam is filtered by speculum deflecting through filter, through lens focus in carbon
Fiber composite layer plywood surface, while opening fiber pulse laser, oxygen-containing jet starts injection covering through filter tip and swashed
Light irradiation zone, reaches after resin matrix cracking temperature, and cracking reaction generation gas and cracking carbon residue can occur for resin；
（C）Resin cracks carbon residue temperature under laser irradiation and raised, when cracking carbon residue reaches oxidizing reaction temperature, in oxygen-containing jet
Effect is lower to be occurred oxidation and generates metal oxides, and oxide is diffused to outside cutting zone under oxygen-containing jet action；
（D）As resin cracking is then aoxidized, the carbon fiber of resin parcel exposes, and temperature is raised under laser irradiation, reaches carbon
During fiber oxidation reaction temperature, occur oxidation under oxygen-containing jet action and generate metal oxides, oxide is in oxygen-containing jet
Diffused under effect outside cutting zone, wherein the main component of cracking carbon residue is identical with carbon fiber, oxidation product is all gaseous
CO or CO2；
（E）Go deep into layer by layer with the oxidation reaction of carbon fibre composite, finally cut through whole laser irradiation region, complete carbon fiber
The laser cutting of composite laminated plate.
The beneficial effects of the invention are as follows：（1）Carbon fiber enhancement resin base composite material is removed using oxidation reaction, is reduced
Temperature change is interval and suppresses heat transfer, coordinates oxygen-containing jet cooling, can avoid resin excessive fragmentation formation heat affected area, and
Suppress residual stress to produce, by optimizing laser cutting process parameter, can be cut for carbon fiber enhancement resin base composite material laser
The commercial Application cut establishes scientific basic；（2）The characteristics of optical-fiber laser has process equipment miniaturization and be flexible strong, utilizes flexibility
Optical fiber carries out Laser Transmission, has significant advantage in the poor structure of processing heavy parts and accessibility.With fiber pulse
Adaptable flexible automatic production line is built based on laser, or efficiently low damage can be met with reference to Industrial Robot Technology
The sizes of wound or the hole machined of complicated shape and cutting processing requirement.
Processing method of the present invention, using structure and the oxidation reaction characteristic of carbon fiber composite layer plywood, as carbon is fine
The oxidation reaction for tieing up composite is goed deep into layer by layer, finally cuts through whole laser irradiation region, completes the laser of carbon fibre composite
Cutting.
The present invention fiber pulse laser it is radiation-induced under, using carbon fiber in carbon fiber composite layer plywood with
The oxidation reaction of resin cracking carbide removes material, and material is gradually cut through as oxidation reaction region extends to depth direction
Material, completes cutting processing.
Brief description of the drawings
Fig. 1 is the structural representation of the processing unit (plant) of the present invention.
Fig. 2 is carbon fibre composite oxidation removal process schematic of the present invention.
Embodiment
In order to deepen the understanding of the present invention, the present invention is done below in conjunction with drawings and examples and further retouched in detail
State, the embodiment is only used for explaining the present invention, protection scope of the present invention is not constituted and limited.
As shown in Figure 1-2, the present invention is the device that a kind of fiber pulse induced with laser cuts carbon fibre composite, including
Three-axis numerical control workbench is controlled by computer control system 4, the three-axis numerical control workbench includes X-Y platform 9 and Z axis 10,
The carbon fiber composite layer plywood 7 of the clamping of fixture 8 is provided with the X-Y platform 9, in three-axis numerical control work
The side of platform is provided with fiber pulse laser 1, and the laser beam 12 that the fiber pulse laser 1 is projected passes through several speculums
2nd, filter 3 and lens 5 focus on the surface of carbon fiber composite layer plywood 7, are set in the opposite side of the three-axis numerical control workbench
Oxygen-containing jet feedway 11 is equipped with, the oxygen-containing jet feedway 11 is connected with oxygen-containing jet nozzle 6, the oxygen-containing jet
Nozzle 6 is arranged on the lower section of the lens 5, and the airflow direction of the oxygen-containing jet nozzle 6 perpendicular to the carbon fiber with being combined
The laser beams coaxial of material laminate 7.
A kind of method that fiber pulse induced with laser cuts carbon fibre composite, the cutting method includes following step
Suddenly：
（A）The clamping of carbon fiber composite layer plywood 7 is fixed on the X-Y platform 9 of three-axis numerical control workbench using fixture 8,
Computer control system 4 controls three-axis numerical control operating position, and by the X-Y platform 9 of mobile control numerical control table, NC table, control swashs
Position of the light beam 12 on carbon fiber composite layer plywood 7, the focus position of the control lens 5 of Z axis 10 of mobile numerical control table, NC table
Put, and control the size of laser facula, the quantity of speculum 2 is adjusted according to fiber position, due to using optical fiber light-guiding, according to light
The fine quantity of position speculum 2 can be reduced, and oxygen-containing jet nozzle 6 provides oxygen atmosphere for laser irradiation region domain, and airflow direction is with hanging down
Directly in the laser beams coaxial of carbon fiber composite layer plywood 7, filter 3 selects have certain energy point in light beam as needed
The laser beam portion of cloth feature is filtered, special according to the ermal physics of carbon fibre composite using computer control system 4
Property, the oxidation reaction characteristic of carbon fiber, the thermal decomposition of resin, the oxidation reaction characteristic of carbonized product, adjust fiber pulse laser
The laser energy of device 1, pulse width, repetition rate, cutting speed parameter；
（B）Fiber pulse laser 1 is opened, pulse laser beam 12 is filtered by the deflecting of speculum 2 through filter 3, it is poly- through lens 5
Jiao is in the surface of carbon fiber composite layer plywood 7, while opening fiber pulse laser 1, and oxygen-containing jet starts spray through filter tip 6
Covering laser irradiation region domain is penetrated, is reached after the cracking temperature of resin matrix 14, cracking reaction generation gas and cracking can occur for resin
Carbon residue 15；
（C）Resin cracks the temperature under laser irradiation of carbon residue 15 and raised, when cracking carbon residue 15 reaches oxidizing reaction temperature, oxygen-containing
Occur oxidation under jet action and generate metal oxides, oxide is diffused to outside cutting zone under oxygen-containing jet action；
（D）As resin cracking is then aoxidized, the carbon fiber 13 of resin parcel exposes, and temperature is raised under laser irradiation, is reached
During 13 oxidizing reaction temperature of carbon fiber, occur oxidation under oxygen-containing jet action and generate metal oxides, oxide is oxygen-containing
Diffused under jet action outside cutting zone, wherein the main component of cracking carbon residue 15 is identical with carbon fiber 13, oxidation product is all
It is gaseous CO or CO2；
E）Go deep into layer by layer with the oxidation reaction of carbon fibre composite, finally cut through whole laser irradiation region, complete carbon fiber
The laser cutting of composite laminated plate 7.
The present invention is originated using the oxidation of the cracking of induced with laser resin, carbon residue and carbon fiber, is turned off using oxidation heat liberation
Pulse laser promotes oxidation reaction to continue, and coordinates oxygen-containing jet to cool down, accurate control resin cracking conversion zone and carbon fiber
Oxidation reaction region, that is, ensure that the border on the border and cracking reaction region in oxidation reaction region is essentially coincided, realize low damage
Carbon fibre composite laser cutting.The present invention utilizes oxidation according to carbon fiber composite structure and oxidation reaction characteristic
Reaction suppresses heat transfer to remove carbon fibre composite, diminution temperature change interval, coordinates oxygen-containing jet cooling, can keep away
Exempt from resin excessive fragmentation formation heat affected area, and suppress residual stress generation, it is ensured that the laser cutting of carbon fibre composite
Quality.
Claims (2)
1. a kind of fiber pulse induced with laser cuts the device of carbon fibre composite, including passes through computer control system（4）
Three-axis numerical control workbench is controlled, the three-axis numerical control workbench includes X-Y platform（9）And Z axis（10）, it is characterised in that：Institute
State X-Y platform（9）On be provided with fixture（8）The carbon fiber composite layer plywood of clamping（7）, in the three-axis numerical control work
The side for making platform is provided with fiber pulse laser（1）, the fiber pulse laser（1）The laser beam of injection（12）By number
Individual speculum（2）, filter（3）And lens（5）Focus on carbon fiber composite layer plywood（7）Surface, in the three-axis numerical control
The opposite side of workbench is provided with oxygen-containing jet feedway（11）, the oxygen-containing jet feedway（11）Sprayed with oxygen-containing jet
Mouth（6）Connection, the oxygen-containing jet nozzle（6）It is arranged on the lens（5）Lower section, the oxygen-containing jet nozzle（6）Gas
Flow direction and perpendicular to the carbon fiber composite layer plywood（7）Laser beams coaxial.
2. a kind of method that fiber pulse induced with laser cuts carbon fibre composite according to claim 1, its feature exists
In：The cutting method comprises the following steps：
（A）Use fixture（8）By carbon fiber composite layer plywood（7）Clamping is fixed on the X-Y platform of three-axis numerical control workbench
（9）On, computer control system（4）Three-axis numerical control operating position is controlled, passes through the X-Y platform of mobile control numerical control table, NC table
（9）, control laser beam（12）In carbon fiber composite layer plywood（7）On position, the Z axis of mobile numerical control table, NC table（10）Control
Lens processed（5）Focal position, and control the size of laser facula, speculum adjusted according to fiber position（2）Quantity, it is oxygen-containing
Jet nozzle（6）There is provided oxygen atmosphere for laser irradiation region domain, airflow direction with perpendicular to carbon fiber composite layer plywood（7）
Laser beams coaxial, filter（3）The laser beam portion for having certain energy-distributing feature in selection light beam as needed enters
Row filtering, uses computer control system（4）It is special according to the oxidation reaction of the thermophysical property of carbon fibre composite, carbon fiber
Property, the thermal decomposition of resin, the oxidation reaction characteristic of carbonized product, adjust fiber pulse laser（1）Laser energy, pulse it is wide
Degree, repetition rate, cutting speed parameter；
（B）Open fiber pulse laser（1）, pulse laser beam（12）Pass through speculum（2）Deflecting, through filter（3）Filtering, warp
Lens（5）Focus on carbon fiber composite layer plywood（7）Surface, opens fiber pulse laser（1）While, oxygen-containing jet
Through filter tip（6）Start injection covering laser irradiation region domain, reach resin matrix（14）After cracking temperature, it is anti-that cracking can occur for resin
Gas and cracking carbon residue should be generated（15）；
（C）Resin cracks carbon residue（15）Temperature is raised under laser irradiation, cracks carbon residue（15）When reaching oxidizing reaction temperature,
Occur oxidation under oxygen-containing jet action and generate metal oxides, oxide diffuses to cutting zone under oxygen-containing jet action
Outside；
（D）As resin cracking is then aoxidized, the carbon fiber of resin parcel（13）Expose, temperature is raised under laser irradiation, is reached
To carbon fiber（13）During oxidizing reaction temperature, occur oxidation under oxygen-containing jet action and generate metal oxides, oxide exists
Diffused under oxygen-containing jet action outside cutting zone, wherein cracking carbon residue（15）Main component and carbon fiber（13）It is identical, oxygen
It is all gaseous CO or CO to change product2；
E）Go deep into layer by layer with the oxidation reaction of carbon fibre composite, finally cut through whole laser irradiation region, complete carbon fiber
Composite laminated plate（7）Laser cutting.
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| CN201710389238.1A CN106975847B (en) | 2017-05-27 | 2017-05-27 | A kind of device and method of fiber pulse induced with laser cutting carbon fibre composite |
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| CN201710389238.1A CN106975847B (en) | 2017-05-27 | 2017-05-27 | A kind of device and method of fiber pulse induced with laser cutting carbon fibre composite |
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Cited By (6)
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| CN108526719A (en) * | 2018-04-25 | 2018-09-14 | 王天牧 | A kind of cutting equipment and cutting method of composite material |
| WO2019119617A1 (en) * | 2017-12-21 | 2019-06-27 | 英诺激光科技股份有限公司 | High-refractive-index and low-hardness transparent material laser cutting device and method |
| CN110951110A (en) * | 2019-12-10 | 2020-04-03 | 合肥工业大学 | Method for recycling fiber reinforced resin matrix composite material by adopting laser |
| CN111408838A (en) * | 2020-05-09 | 2020-07-14 | 桂林电子科技大学 | Jet-assisted laser modulation low-damage processing carbon fiber composite material system and method |
| CN112192039A (en) * | 2020-09-24 | 2021-01-08 | 大连理工大学 | Processing method of continuous fiber reinforced porous composite material |
| CN114227008A (en) * | 2021-12-30 | 2022-03-25 | 北京卫星制造厂有限公司 | Ultrafast laser cutting method for carbon fiber composite material structure |
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|---|---|---|---|---|
| WO2019119617A1 (en) * | 2017-12-21 | 2019-06-27 | 英诺激光科技股份有限公司 | High-refractive-index and low-hardness transparent material laser cutting device and method |
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| CN110951110A (en) * | 2019-12-10 | 2020-04-03 | 合肥工业大学 | Method for recycling fiber reinforced resin matrix composite material by adopting laser |
| CN111408838A (en) * | 2020-05-09 | 2020-07-14 | 桂林电子科技大学 | Jet-assisted laser modulation low-damage processing carbon fiber composite material system and method |
| CN112192039A (en) * | 2020-09-24 | 2021-01-08 | 大连理工大学 | Processing method of continuous fiber reinforced porous composite material |
| CN114227008A (en) * | 2021-12-30 | 2022-03-25 | 北京卫星制造厂有限公司 | Ultrafast laser cutting method for carbon fiber composite material structure |
| CN114227008B (en) * | 2021-12-30 | 2023-07-14 | 北京卫星制造厂有限公司 | Ultrafast laser cutting method for carbon fiber composite material structure |
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