CN108465813A - The integral forming device and method of Metal Substrate carbon nano-composite material parts - Google Patents
The integral forming device and method of Metal Substrate carbon nano-composite material parts Download PDFInfo
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- CN108465813A CN108465813A CN201810274011.7A CN201810274011A CN108465813A CN 108465813 A CN108465813 A CN 108465813A CN 201810274011 A CN201810274011 A CN 201810274011A CN 108465813 A CN108465813 A CN 108465813A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/70—Recycling
- B22F10/77—Recycling of gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/44—Radiation means characterised by the configuration of the radiation means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/60—Planarisation devices; Compression devices
- B22F12/67—Blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/70—Gas flow means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The present invention relates to the integral forming device and method of Metal Substrate carbon nano-composite material parts, including the supply of control system, forming cavity, vacuum system, carbon-source gas and detecting system, gas-circulating system, laser and optical system, send powdering system and exhaust treatment system.The device is equably laid with metal powder on substrate using scraper, then on laser beam focus to metal powder, it is cracked under laser beam effect by control gaseous carbon source and deposits carbon nanomaterial in matrix surface, then direct forming goes out Metal Substrate carbon nano-composite material parts in such a way that precinct laser fusion forming technique successively works.The device can accurately obtain carbon-source gas and density of hydrogen value, can quantify the content for controlling carbon nanomaterial, can also realize the real-time monitoring and discharge of foreign gas in building mortion.The carbon nanometer reinforcing phase that generates is evenly dispersed, is not easy to reunite in such a way that gaseous carbon source spreads cracking deposition, can effectively enhance the mechanical property of composite material.
Description
Technical field
The invention belongs to the Laser Technology of Composing field of Metal Substrate carbon nano-composite material parts, more particularly to a kind of knot
Close the nano combined material of precinct laser fusion method (SLM) and laser induced chemical vapor depostion method (LCVD) in-situ reactive synthesis Metal Substrate carbon
The building mortion and method of material.
Background technology
Metal Substrate carbon nano-composite material has excellent physical property and mechanical property.However, metal under specific condition
The application of based composites needs the parts for being processed into specific shape, is usually all according to mold manufacturing, or progress
The mechanical processing in later stage, particularly with the sufficiently complex parts of interior shape.Conventional method is time-consuming and laborious.The present invention is by SLM
It is combined with LCVD technologies, gaseous carbon source is added during the SLM fusing formings of metal powder, is existed by controlling gaseous carbon source
Cracking under laser beam effect simultaneously deposits carbon nanomaterial in matrix surface, then successively by precinct laser fusion forming technique
The mode direct forming of work goes out Metal Substrate carbon nano-composite material parts.Quick-forming method so, dramatically contracts
Short manufacturing cycle improves preparation efficiency, it is not necessary to can direct forming composite material using mold processing or later stage mechanical processing
Parts.Significantly, since the dispersibility of gas is very well, the carbon nanometer reinforcing phase generated using the device and method can
It is evenly dispersed, be not easy to reunite, can effectively enhance the mechanical property of composite material.
It is one of the key components in precinct laser fusion building mortion to send powdering system, send the reliable of powdering system
Property, stability and continuity, and its be laid with the uniformity of powder, directly affect the speed and precision of forming, and finally influence
The mechanical property of drip molding.
In Metal Substrate carbon nano-composite material building mortion disclosed in patent 201410363212.6, powder feeder is to work head
Interior feeding metal powder, metal powder are freely scattering into realization on metal substrate from work head and send powdering process.The device is only adopted
With powder feeder and work head powder feeding, and scraper is not used and realizes powdering process, it is difficult to realize the uniform laying of metal powder, this will
Fusing-forming process of composite material is directly affected, and finally influences the mechanical property of shaped composite piece.And patent
201410363212.6 in disclosed Metal Substrate carbon nano-composite material building mortion, laser beam by being applied to again after work head
On the metal powder of laying, the selective melting of powder is realized.Since re-melting metal powder, work head pass through machinery after work head
System controls, and the speed of service and precision are inevitably affected, this will seriously affect the sweep speed and precision of laser beam,
And finally influence the mechanical property of shaped composite piece.And the Metal Substrate carbon nano-composite material of above-mentioned patent disclosure shapes
In device, carbon-source gas is not set and reaction generates gas (hydrogen) content level sensor, cannot accurately obtain carbon-source gas
And therefore hydrogen content can not realize being precisely controlled for the carbon nanomaterial content as reinforced phase, can not realize forming
The real-time monitoring and discharge of foreign gas in device.
Invention content
In view of this, one of the objects of the present invention is to provide a kind of one of Metal Substrate carbon nano-composite material parts
Change building mortion；The second object of the present invention is to provide the integral forming side of Metal Substrate carbon nano-composite material parts
Method utilizes laser chemical vapor deposition using SLM and LCVD parallel fabrication technologies while laser beam melts metal powder
Principle makes the carbon-source gas near metal bath in temperature field crack and is catalyzed to generate all kinds of carbon nano-structured materials, and with
Metallic matrix in fusing-process of setting carry out it is compound, then in such a way that precinct laser fusion forming technique successively works it is straight
It connects and shapes Metal Substrate carbon nano-composite material parts.
In order to achieve the above objectives, the present invention provides the following technical solutions：
1, the integral forming device of Metal Substrate carbon nano-composite material parts, including control system, forming cavity, vacuum
System, carbon-source gas supply chamber, protective gas room；Carbon-source gas detection device, optical system, send powdering at gas-circulating system
System send powdering system lower end to be provided with the scraper for being laid with globular metallic powder.
Preferably, the optical system contains laser and laser transmission apparatus, and laser will by laser transmission apparatus
Laser beam focus is to powder bed to realize the selective melting to metal powder.
Preferably, the forming cavity is equipped with air inlet, gas outlet, pressure sensor, oxygen level sensor, temperature sensing
Device, carbon-source gas detection device, hydrogen content sensor；The air inlet connects with carbon-source gas supply chamber and protective gas room
It connects, the carbon-source gas of carbon-source gas supply chamber supply and the protective gas of protective gas room supply are mixed according to a certain concentration ratio
Enter forming cavity by air inlet；The gas outlet is connect with exhaust treatment system, and carbon-source gas and foreign gas pass through tail gas
It is discharged after processing system processing.
Preferably, the control system controls optical system, send powdering system, carbon-source gas supply chamber.
2, integral forming method is carried out to Metal Substrate carbon nano-composite material parts using described device, including as follows
Step：
(1) the 3-D graphic file of parts is established, and be layered discrete, generation scanning path data, and imports control
In system processed；
(2) first forming cavity is vacuumized, is passed through protective gas when being extracted into oxygen content less than 0.1vol.%, resupplies carbon
Source gas makes a concentration of 0~100vol.% of carbon-source gas, and protective gas and carbon source gas are recycled by gas-circulating system
Body；
(3) send the evenly laid out one layer of globular metallic powder of scraper that powdering system controls on substrate；
(4) laser beam realizes the selective melting to metal powder according to 3-D graphic file, flat in the processing of metal powder
Focal beam spot is formed on face, fusing metal powder forms part single layer section；
(5) simultaneously, by control gaseous carbon source laser beam effect under cracking and deposit carbon in metal base surface
Nano material；
(6) scan path generated according to step (1) repeats step (3)~(5), shapes skill by precinct laser fusion
The mode that art successively works realizes the three-dimensional structure integral forming of composite material.
Preferably, the metal powder can be titanium valve, iron powder, magnesium powder, aluminium powder, copper powder, nickel powder, cobalt powder, stainless steel powder, but
It is not limited to the metal powder of the above type.
Preferably, the carbon source kind can be CH4、C2H4、C2H2, one or more mixing in CO, but be not limited to
The gas of upper type.
Preferably, the carbon nanomaterial of the generation includes that Nano carbon balls, carbon nano flower, fullerene, carbon nanocoils, carbon are received
One or more mixing in mitron, carbon nano-fiber, Nano diamond, graphene, graphite alkane, graphite alkene, but be not limited to
The carbon nanomaterial of the above type.
It is furthermore preferred that, it can be achieved that carbon-source gas concentration is from the consecutive variations of 0~100vol.% in step (2).
The beneficial effects of the present invention are：1, relative to existing equipment and technology, the present invention is combined using SLM and LCVD
Preparation process, dramatically shorten manufacturing cycle, improve preparation efficiency, it is not necessary to be added using mold processing or later stage machinery
Work can direct forming composite material parts.
2, using the device and method, carbon-source gas is effectively dispersed in metal bath temperature field, and gaseous carbon source is split
The unsetting carbon that solution generates can effectively disperse and compound with metallic matrix, and the carbon nanometer reinforcing phase that such reaction in-situ generates is uniform
Disperse, be not easy to reunite, can effectively enhance the mechanical property of composite material.
3, apparatus of the present invention can monitor pressure value in forming cavity, oxygen content, protective gas, carbon-source gas and carbon source in real time
Pyrolysis product (H2) concentration value, and can realize foreign gas it is real-time monitoring and discharge.
4, the adjustable metal powder type of the present invention, carbon-source gas type, carbon-source gas concentration and laser technical parameters etc.
Prepare the carbon nanometer reinforcing phase with different-shape, size.
5, the present invention also provides the Metal Substrate carbon nano-composite material functionally gradient parts realized by above-mentioned apparatus
Manufacturing process can really realize the consecutive variations of reinforced phase content, composite structure and mechanical property.
Description of the drawings
In order to keep the purpose of the present invention, technical solution and advantageous effect clearer, the present invention provides following attached drawing and carries out
Explanation：
Fig. 1 be Metal Substrate carbon nano-composite material parts integral forming equipments overall structure schematic diagram (1, carbon source
Gas supply chamber；2, protective gas room；3, storage pressure valve；4, gas flowmeter；5, hand control valve；6, solenoid valve；7, gas
Body filter；8, pressure sensor；9, oxygen level sensor；10, temperature sensor；11, hydrogen content sensor；12, it shapes
Chamber；13, gas safety valve；14, carbon-source gas detection device；15, vacuum system；16, gas vent；17, gas-circulating system；
18 exhaust treatment systems；19 send powdering system；20 optical systems；21 scrapers；22 parts；23 jacking systems；24 powder collectors；25
Laser beam).
Fig. 2 is that the integral forming device of Metal Substrate carbon nano-composite material parts shapes schematic diagram.
Specific implementation mode
Below in conjunction with attached drawing, the preferred embodiment of the present invention is described in detail.
The integral forming device of embodiment 1, Metal Substrate carbon nano-composite material parts
The integral forming device of Metal Substrate carbon nano-composite material parts, structure is as shown in Figure 1, specifically include control
System processed, forming cavity 12, vacuum system 15, carbon-source gas supply chamber 1, protective gas room 2；Carbon-source gas detection device 14, gas
Systemic circulatory system 17, optical system 20 and send powdering system 19 (as shown in Figure 2), exhaust treatment system 18, wherein optical system
Containing laser, laser transmission apparatus, it is equipped with optic path element, scanning galvanometer, focusing lens and transmissive mirror, protective glass etc.,
Adjustable laser parameter makes carbon-source gas crack under the effect of laser beam 25 and is catalyzed to generate all kinds of carbon nanomaterials, and with it is molten
Metallic matrix progress in change-process of setting is compound, passes through the three-dimensional structure one that the method successively melted realizes composite material
It is melted into shape, obtains parts 22；It send powdering system lower end to be provided with the scraper 21 for being laid with globular metallic powder, realizes metal
Continuous, the uniform laying of powder；Forming cavity 12 is equipped with the air inlet being connected to carbon-source gas supply chamber 1 and protective gas room 2, divides
The gas outlet that is not connect with vacuum system 15 and exhaust treatment system 18, pressure sensor 8, oxygen level sensor 9, temperature sensing
Device 10, carbon-source gas detection device 14, hydrogen content sensor 11, can monitor pressure value in forming cavity, oxygen content, temperature,
Carbon-source gas concentration, density of hydrogen realize exhaust emissions by exhaust treatment system 18.
In the present invention, further include some other control element for example storage pressure valve 3, gas flowmeter 4, hand control valve 5,
Solenoid valve 6, pneumatic filter 7, gas safety valve 13, gas vent 16, wherein storage pressure valve 3 are installed on carbon-source gas supply
On room 1, gas flowmeter 4 is installed on protective gas room 2, and hand control valve 5, solenoid valve 6 and pneumatic filter 7 are installed successively
Between the air inlet of 2 forming cavity of carbon-source gas supply chamber 1 and protective gas room, gas safety valve 13 is installed on forming cavity 12
On；Gas vent 16 is installed in vacuum system 15, and jacking system 23 is moved up and down for workbench where drip molding, is received
Powder device 24 is used for the recycling of powder.
Control system control laser send powdering system, carbon-source gas supply, regulates and controls laser switch, laser power；It send
The important technical parameters such as powdering layer thickness, sweep speed, sweep span, scanning strategy, carbon source content, carbon source flow.It carries out into
First forming cavity is vacuumized when shape, protective gas is passed through when oxygen content is less than a certain concentration value, resupplies carbon-source gas simultaneously
Stablize its concentration in any requirements, protective gas and carbon-source gas are recycled by gas-circulating system；Complete forming cavity
After interior atmosphere culture, powdering system control globular metallic powder is sent uniformly to be layed on substrate, laser beam is according to parts three-dimensional
Graphic file realizes the selective melting to metal powder, meanwhile, by controlling cracking of the gaseous carbon source under laser beam effect simultaneously
Carbon nanomaterial is deposited in matrix surface, then direct forming goes out in such a way that precinct laser fusion forming technique successively works
Metal Substrate carbon nano-composite material parts.
The integral forming method of embodiment 2, Metal Substrate carbon nano-composite material parts
The integral forming method of Metal Substrate carbon nano-composite material parts, includes the following steps：
(1) the 3-D graphic file of parts is established, and be layered discrete, generation scanning path data, and imports control
In system processed；
(2) first forming cavity is vacuumized, is passed through protective gas when being extracted into oxygen content less than 0.1vol.%, resupplies carbon
Source gas simultaneously stablizes its a concentration of 0~100vol.%, and protective gas and carbon-source gas are recycled by gas-circulating system；
(3) powdering system is sent to control the evenly laid out one layer of globular metallic powder of scraper on substrate；
(4) laser beam realizes the selective melting to metal powder according to 3-D graphic file, flat in the processing of metal powder
Focal beam spot is formed on face, fusing metal powder forms part single layer section；
(5) simultaneously, by control gaseous carbon source laser beam effect under cracking and deposit carbon in metal base surface
Nano material；
(6) scan path generated according to step (1) repeats step (3)~(5), shapes skill by precinct laser fusion
The mode that art successively works realizes the three-dimensional structure integral forming of composite material.
In the present embodiment, metal powder can be titanium valve, iron powder, magnesium powder, aluminium powder, copper powder, nickel powder, cobalt powder, stainless steel powder, but
It is not limited to the powder of the above type；Carbon source kind can be CH4、C2H4、C2H2, one or more mixing in CO, but do not limit to
In the gas of the above type；Carbon nanomaterial includes Nano carbon balls, carbon nano flower, fullerene, carbon nanocoils, carbon nanotube, carbon
One or more mixing in nanofiber, Nano diamond, graphene, graphite alkane, graphite alkene, but it is not limited to above kind
Class.
The integral forming method of embodiment 3, Metal Substrate carbon nano-composite material functionally gradient parts
The integral forming method of Metal Substrate carbon nano-composite material functionally gradient parts, includes the following steps：
(1) the 3-D graphic file of parts is established, and be layered discrete, generation scanning path data, and imports control
In system processed；
(2) first forming cavity is vacuumized, is extracted into the small a certain concentration value of oxygen content (usually<Guarantor is passed through when 0.1vol.%)
Gas is protected, then controls gas flowmeter according to a certain gas flow values sustainable supply carbon-source gas, to realize carbon-source gas concentration
Consecutive variations from 0 to 100vol.% recycle protective gas and carbon-source gas by gas-circulating system；
(3) powdering system is sent to control the evenly laid out one layer of globular metallic powder of scraper on substrate；
(4) laser beam realizes the selective melting to metal powder according to 3-D graphic file, flat in the processing of metal powder
Focal beam spot is formed on face, fusing metal powder forms part single layer section；
(5) simultaneously, by control gaseous carbon source laser beam effect under cracking and deposit carbon in metal base surface
Nano material；
(6) scan path generated according to step (1) repeats step (3)~(5), shapes skill by precinct laser fusion
The mode that art successively works realizes the integral forming of composite material functionally gradient parts.
The integral forming method of this Metal Substrate carbon nano-composite material functionally gradient parts can really realize reinforced phase
The consecutive variations of content, composite structure and mechanical property.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (9)
1. the integral forming device of Metal Substrate carbon nano-composite material parts, including control system, forming cavity, vacuum system
System, carbon-source gas supply chamber, protective gas room；Carbon-source gas detection device, optical system, send powdering system at gas-circulating system
System, it is characterised in that：Powdering system lower end is sent to be provided with the scraper for being laid with globular metallic powder.
2. the integral forming device of Metal Substrate carbon nano-composite material parts according to claim 1, it is characterised in that：
The optical system contains laser and laser transmission apparatus, and laser focuses the laser beam into powder by laser transmission apparatus
Bed is to realize the selective melting to metal powder.
3. the integral forming device of Metal Substrate carbon nano-composite material parts according to claim 1, it is characterised in that：
The forming cavity is equipped with air inlet, gas outlet, pressure sensor, oxygen level sensor, temperature sensor, carbon-source gas detection dress
It sets, hydrogen content sensor；The air inlet is connect with carbon-source gas supply chamber and protective gas room, and carbon-source gas supply chamber supplies
The carbon-source gas given and the protective gas of protective gas room supply enter forming according to after the mixing of a certain concentration ratio through air inlet
Chamber；The gas outlet is connect with exhaust treatment system, and carbon-source gas and foreign gas are discharged after exhaust treatment system is handled.
4. the integral forming device of Metal Substrate carbon nano-composite material parts according to claim 1, it is characterised in that：
The control system control optical system send powdering system, carbon-source gas supply chamber.
5. carrying out integrated chemical conversion to Metal Substrate carbon nano-composite material parts using any one of Claims 1 to 44 described device
Shape method, which is characterized in that include the following steps：
(1) the 3-D graphic file of parts is established, and be layered discrete, generation scanning path data, and imports control system
In system；
(2) first forming cavity is vacuumized, is passed through protective gas when being extracted into oxygen content less than 0.1vol.%, resupplies carbon source gas
Body makes a concentration of 0~100vol.% of carbon-source gas, and protective gas and carbon-source gas are recycled by gas-circulating system；
(3) send the evenly laid out one layer of globular metallic powder of scraper that powdering system controls on substrate；
(4) laser beam realizes the selective melting to metal powder according to 3-D graphic file, in the processing plane of metal powder
Focal beam spot is formed, fusing metal powder forms part single layer section；
(5) simultaneously, by control gaseous carbon source laser beam effect under cracking and deposit carbon nanometer in metal base surface
Material；
(6) scan path generated according to step (1) repeats step (3)~(5), by precinct laser fusion forming technique by
The mode of layer work realizes the three-dimensional structure integral forming of composite material.
6. the integral forming method of Metal Substrate carbon nano-composite material parts according to claim 5, it is characterised in that：
The metal powder can be titanium valve, iron powder, magnesium powder, aluminium powder, copper powder, nickel powder, cobalt powder, stainless steel powder.
7. the integral forming method of Metal Substrate carbon nano-composite material parts according to claim 5, it is characterised in that：
The carbon source kind can be CH4、C2H4、C2H2, one or more mixing in CO.
8. the integral forming method of Metal Substrate carbon nano-composite material parts according to claim 5, which is characterized in that
The carbon nanomaterial of the generation includes Nano carbon balls, carbon nano flower, fullerene, carbon nanocoils, carbon nanotube, carbon Nanowire
One or more mixing in dimension, Nano diamond, graphene, graphite alkane, graphite alkene.
9. the integral forming method of Metal Substrate carbon nano-composite material parts according to claim 5, it is characterised in that：
, it can be achieved that carbon-source gas concentration is from the consecutive variations of 0~100vol.% in step (2).
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Cited By (5)
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| CN111097910A (en) * | 2020-02-06 | 2020-05-05 | 高尚孜 | AI-based environment control system and control method |
| CN111451502A (en) * | 2020-04-10 | 2020-07-28 | 西北工业大学 | Partition regulation and control method for in-situ synthesized TiC-reinforced titanium-based composite material in additive manufacturing |
| CN112296358A (en) * | 2020-11-30 | 2021-02-02 | 华南理工大学 | Device and method for in-situ synthesis of digital material based on atmosphere SLM |
| CN113709997A (en) * | 2021-09-28 | 2021-11-26 | 廖勇志 | Preparation method of flexible conductive film and circuit board |
| CN114514083A (en) * | 2019-09-27 | 2022-05-17 | 弗兰德有限公司 | Additive manufacturing method using hardening |
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| CN111097910B (en) * | 2020-02-06 | 2021-11-30 | 高尚孜 | AI-based environment control system and control method |
| CN111451502A (en) * | 2020-04-10 | 2020-07-28 | 西北工业大学 | Partition regulation and control method for in-situ synthesized TiC-reinforced titanium-based composite material in additive manufacturing |
| CN112296358A (en) * | 2020-11-30 | 2021-02-02 | 华南理工大学 | Device and method for in-situ synthesis of digital material based on atmosphere SLM |
| CN113709997A (en) * | 2021-09-28 | 2021-11-26 | 廖勇志 | Preparation method of flexible conductive film and circuit board |
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