CN106637200A - Method for preparing metallic-matrix ceramic coating by using laser cladding assisted by heat, sound and magnetic complex energy field - Google Patents
Method for preparing metallic-matrix ceramic coating by using laser cladding assisted by heat, sound and magnetic complex energy field Download PDFInfo
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- CN106637200A CN106637200A CN201611222037.4A CN201611222037A CN106637200A CN 106637200 A CN106637200 A CN 106637200A CN 201611222037 A CN201611222037 A CN 201611222037A CN 106637200 A CN106637200 A CN 106637200A
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000005524 ceramic coating Methods 0.000 title claims abstract description 23
- 238000004372 laser cladding Methods 0.000 title claims abstract description 13
- 239000011159 matrix material Substances 0.000 title abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 39
- 239000000843 powder Substances 0.000 claims abstract description 35
- 238000005253 cladding Methods 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 230000006698 induction Effects 0.000 claims abstract description 25
- 239000000919 ceramic Substances 0.000 claims abstract description 21
- 238000002844 melting Methods 0.000 claims abstract description 14
- 230000008018 melting Effects 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000010583 slow cooling Methods 0.000 claims abstract description 10
- 230000007547 defect Effects 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 150000002739 metals Chemical class 0.000 claims description 19
- 230000006798 recombination Effects 0.000 claims description 18
- 238000005215 recombination Methods 0.000 claims description 18
- 238000013019 agitation Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052593 corundum Inorganic materials 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 239000011812 mixed powder Substances 0.000 claims description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 239000013078 crystal Substances 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract 2
- 230000002950 deficient Effects 0.000 abstract 1
- 238000007670 refining Methods 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 9
- 208000037656 Respiratory Sounds Diseases 0.000 description 6
- 230000008030 elimination Effects 0.000 description 5
- 238000003379 elimination reaction Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
-
- 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 invention provides a method for preparing a metallic-matrix ceramic coating by using laser cladding assisted by a heat, sound and magnetic complex energy field. The method is characterized in that the high-performance non-defective metallic-matrix ceramic coating is prepared by adopting a multi-energy-field-assisted laser cladding method which combines induction heating with an electromagnetic-ultrasonic complex energy field; a base material is preheated in real time by a high-frequency induction heating device, meanwhile, an electromagnetic-ultrasonic complex energy field device is started and used for acting on a melting pool, and the induction heating device is used for carrying out slow cooling treatment on the coating again after cladding is finished; the effects of refining crystal grains and removing cracks and pores are achieved while the laser cladding efficiency and the powder utilization rate are improved; the high-performance cladding layer which is uniform in ceramic particle reinforced phase distribution and has a refined microstructure is finally obtained. By introducing the electromagnetic-ultrasonic complex energy field for acting on the laser melting pool, the high-performance cladding layer which is uniform in ceramic particle reinforced phase distribution, has a refined and uniform microstructure and is free from crack and pore defects can be obtained in an efficient and rapid induction heating-assisted laser cladding process.
Description
Technical field
The present invention relates to material surface laser prepares coating field, refers in particular to a kind of heat, sound, magnetic recombination energy field auxiliary laser and melts
The method for covering metal matrix ceramic composite coating.
Background technology
Laser melting and coating technique with its cooling velocity it is fast, coating dilution rate is low, thermal deformation is little and easily realizes Automated condtrol etc.
Advantage has broad application prospects in fields such as machinery, automobile, Aero-Space and petrochemical industries.
Ceramic on metal material is successfully by the property such as excellent wear-resisting, anti-corrosion of the intensity of metal phase, toughness and ceramic material
Can combine, constitute a kind of new composite, both meet the requirement to material surface property, save a large amount of again
Noble element, in being widely used in the surface reforming layer of material.Laser melting coating ceramic on metal material has become at present sharp
The study hotspot of light cladding prepares coating.But laser melting coating metal matrix ceramic composite coating technique still suffers from actual applications some and asks
Topic, such as laser melting coating is less efficient, cladding layer is also easy to produce hole, crackle, microstructure of surface cladding layer and there is thick columnar dendrite and larger
Residual stress easily make the deficiencies such as disbonding, this greatly hinders popularization of the technology in industrial applications.
For above-mentioned problem, existing correlation scholar proposes technologic corrective measure.Patent No.
The patent application of CN200710052457.7 proposes the composite cladding side by laser beam in combination with high-frequency electromagnetic induction heating
Method, to increase substantially the speed and efficiency of cladding.Though but the method can reduce the thermograde of coating and matrix, improve cladding
Efficiency, reduces cracking sensitivity, but because thermograde reduces, molten bath cooldown rate is reduced, and then causes solidified structure molten
Changing in process of setting has more times to grow up, and causes microstructure coarsening, affects the performance of cladding layer.
With the development of laser composite manufacturing, high-performance coating is prepared by the field auxiliary laser cladding of additional energy and is obtained extensively
Concern.The patent SEPARATE APPLICATION of Patent No. CN201310061962.3 and CN201210225593.2 describes ultrasonic activation
And the method for electromagnetic agitation auxiliary laser cladding, short yet with laser molten pool existence time, the ultrasonic cavitation of generation, acoustic streaming are stirred
Mix and magnetic agitation is very short to the action time in molten bath, therefore it is not highly desirable only to carry out auxiliaring effect by single energy field.
Propose in the patent of invention of application number CN201610114914.X electromagnetism-ULTRASONIC COMPLEX energy field auxiliary laser cladding method and
Device, both energy fields are coupled, and microstructure of surface cladding layer is regulated and controled using the cooperative effect of recombination energy field, and performance is changed
It is kind.Though the excellent coating of the method availability, the efficiency of laser melting coating improves not fairly obvious.
Therefore, how the microscopic structure of cladding layer to be regulated and controled while laser melting coating efficiency is improved, crackle hole
It is the problem demanding prompt solution during industrial application that defect carries out elimination.
The content of the invention
For the problem that existing method is present, the present invention starts with from preparation technology, proposes a kind of heat, sound, magnetic recombination energy field
The method of auxiliary laser deposited metals base ceramic coating, using multipotency of the sensing heating in combination with electromagnetism-ULTRASONIC COMPLEX energy field
Field auxiliary laser cladding method prepares high-performance zero defect metal matrix ceramic composite coating, and base material is entered by high-frequency induction heating apparatus
Row preheating in real time, opens electromagnetism-ULTRASONIC COMPLEX energy field device and the molten bath in laser cladding process is entered during preheating temperature to be achieved
Going and act on, and induction heating apparatus is reused after cladding terminates carries out the slow cooling process of coating, is reached with this and is improving sharp
Crystal grain thinning, elimination crackle and hole, final to obtain ceramic particle reinforced phase point while light cladding efficiency and powder using efficiency
Cloth is uniform, the purpose of the high-performance cladding layer of microstructure thinning.It is an object of the invention to provide a kind of heat, sound, magnetic are combined
Can field auxiliary laser deposited metals base ceramic coating method, work is cooperateed with by sensing heating and electromagnetism-ULTRASONIC COMPLEX energy field
Used in crystal grain thinning, elimination crackle and hole while improving laser melting coating efficiency and powder using efficiency, obtain ceramic particle and increase
Strong distributed mutually is uniform, the high-performance cladding layer of microstructure thinning.
The present invention is to realize above-mentioned technical purpose by following technological means.
Technical proposal that the invention solves the above-mentioned problems is：It is concretely comprised the following steps：
A kind of heat, sound, the method for magnetic recombination energy field auxiliary laser deposited metals base ceramic coating, it is characterised in that include
Following steps：
A) base material Jing polishing, after cleaning and drying up is fixed on fixture；
B) the good ceramic on metal powder of proportioning is put in ball mill and is mixed, it is to be mixed it is uniform after powder is put into into powder feeding
Device；
C) load coil and base material spacing are set in 1～5mm, adjusting induction heating power makes substrate surface temperature
Degree is at 280～800 DEG C；
D) after specimen surface temperature reaches predetermined temperature, open electromagnetism-ULTRASONIC COMPLEX energy field device realize sensing heating,
Electromagnetic agitation is coupled with many field coordinations of ultrasonic vibration；
E) open laser instrument and realize that coaxial powder-feeding Multi-energy field auxiliary laser deposited metals base ceramic coating is processed；
F coaxial powder feeding device and electromagnetism-ULTRASONIC COMPLEX energy field device) are closed after cladding terminates, using high-frequency induction heating
Device carries out slow cooling process to cladding layer.
Further, described base material is clamped positioning by four lead screw Jing pads.
Further, described ceramic on metal powder be Ni-based, cobalt-based, ferrio self melting-ability alloy powder with it is a kind of or
Several ceramic particle reinforced phase WC, TiC, Al2O3With the mixture of SiC etc., wherein ceramic particle reinforced phase is in composite powder
Scope shared by weight/mass percentage composition is 5～80wt.%, and mixed-powder is put in vacuum ball mill carries out 8-12h.
Further, described preheating temperature detection carries out real time on-line monitoring using industrial online infrared radiation thermometer.
Further, it is described to fill ultrasonic vibration installation and electromagnetic agitation when monitoring temperature reaches predetermined preheating temperature
Put opening.Wherein electromagnetism-ULTRASONIC COMPLEX energy field control parameter magnetic field intensity scope for 5-50mT alternating magnetic field, base material amplitude model
1-25 μm is enclosed, vibration frequency 20-40kHz.
Further, described laser melting coating machined parameters scope is：Laser power is 800-1800W, and spot diameter is
1-4mm, sweep speed 300-1500mm/min, overlapping rate is 30%-50%.
Further, described high-frequency induction heating apparatus carry out slow cooling temperature ranges to cladding layer for 300-600
DEG C, temperature retention time 1-3h.
Employing of the present invention can improve the high-frequency induction heating and controllable microscopic structure and elimination crackle of laser melting coating efficiency
Method in combination with the electromagnetism-ULTRASONIC COMPLEX energy field of hole prepares high-performance zero defect metal matrix ceramic composite coating.Overcome
Under laser induction composite coating technique, though being remarkably improved the efficiency and speed of laser melting coating, exist due to thermograde
Reduce, molten bath cooldown rate is reduced and the roughening of caused microscopic structure and performance reduce defect, by introducing electromagnetism-ULTRASONIC COMPLEX
Energy field is acted on laser molten pool so that ceramic particle reinforced phase distribution is obtained in efficient fast laser cladding process equal
Even, microstructure thinning and homogenizing, the high-performance cladding layer of flawless porosity defects.
Because high-frequency induction heating is intervened in the present invention so that the time lengthening that laser molten pool is present, electricity can be effectively improved
Magnetic-action effect of the ULTRASONIC COMPLEX energy field to molten bath, is a kind of method of energy-conserving and environment-protective while can also save the corresponding energy.
The present invention is that a kind of flexible, easily operated, highly versatile efficient, high-quality the promotion laser melting and coating technique of regulation and control exists
The method of large-area applications in industrialization.
Description of the drawings
Fig. 1 is heat of the present invention, sound, the device of the method for magnetic recombination energy field auxiliary laser deposited metals base ceramic coating
Schematic diagram.
Fig. 2 is the fixture figure.
In figure：1.IPG optical fiber lasers；2. speculum；3. powder feeder；4. load coil；5. induction heating power；
6. magnet exciting coil；7. field power supply；8. ultrasonic power；9. supersonic generator；10. fixture；11. base materials；12. cladding layers；
13. industrial online infrared radiation thermometers；14. digital display control instrument tables；15. condenser lenses；16. lead screw；17. pads.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
Not limited to this.
Heat of the present invention, sound, the method for magnetic recombination energy field auxiliary laser deposited metals base ceramic coating, using sensing
Multi-energy field auxiliary laser cladding method of the heating in combination with electromagnetism-ULTRASONIC COMPLEX energy field prepares high-performance zero defect Metal Substrate pottery
Porcelain coating, is preheated in real time by high-frequency induction heating apparatus to base material, while opening electromagnetism-ULTRASONIC COMPLEX energy field device pair
Molten bath is acted on, and reuse after cladding terminates induction heating apparatus carry out coating slow cooling process, improve laser
Crystal grain thinning, elimination crackle and hole while cladding efficiency and powder using efficiency, it is final to obtain ceramic particle reinforced phase distribution
Uniformly, the high-performance cladding layer of microstructure thinning.
Fig. 1 is used by the method for heat of the present invention, sound, magnetic recombination energy field auxiliary laser deposited metals base ceramic coating
Device describe the concrete steps of the method for the invention in detail with reference to Fig. 1.
Embodiment 1
1) mould steel Jing polishing, after cleaning and drying up is fixed on fixture 10；As shown in Fig. 2 base material 11 is logical
Cross four Jing pads 17 of lead screw 16 and be clamped positioning；
2) the good Ni+35%WC alloy powders of proportioning are put in ball mill carries out 8h mixing, it is to be mixed it is uniform after by powder
End is put into coaxial powder feeding device 3；
3) load coil 4 and the spacing of base material 11 are set as into 1mm, adjusting induction heating power 5 makes the surface of base material 11
Temperature reaches 280 DEG C；
4) temperature monitoring is carried out to the surface of base material 11 using industrial online infrared radiation thermometer 13, by numerical monitor control
The surface temperature of 14 Real Time Observation base material of instrument 11 changes, and after the surface temperature of base material 11 reaches predetermined temperature, opens electromagnetism-ultrasound
Recombination energy field device realizes that sensing heating, electromagnetic agitation are cooperateed with the multi- scenarios method of ultrasonic vibration, now, magnet exciting coil 6 with it is super
The regulation of the Jing field power supplies 7 of sonic generator 9 and ultrasonic power 8 so that magnetic field intensity is 5mT, base material 11 produces 1 μm and shakes
Width, vibration frequency is 20kHz.
5) open laser instrument 1, the reflected mirror 2 of laser is radiated, condenser lens 15 focus on after, the surface of irradiation base material 11, realize
Synchronous axial powder feed Multi-energy field auxiliary laser deposited metals base ceramic coating processing, laser power is 800W, and spot diameter is
1mm, sweep speed 300mm/min, overlapping rate is 30%.
6) coaxial powder feeding device 3 and electromagnetism-ULTRASONIC COMPLEX energy field device are closed after cladding terminates, using high-frequency induction heating
Device carries out 300 DEG C of slow cooling to cladding layer 12 and processes, temperature retention time 3h.
Embodiment 2
1) nickel base superalloy Jing polishing, after cleaning and drying up is fixed on fixture 10；
2) the good Co+35%TiC alloy powders of proportioning are put in ball mill carries out 12h mixing, it is to be mixed it is uniform after will
Powder is put into coaxial powder feeding device 3；
3) load coil 4 and the spacing of base material 11 are set as into 5mm, adjusting induction heating power 5 makes the surface of base material 11
Temperature reaches 800 DEG C；
4) temperature monitoring is carried out to the surface of base material 11 using industrial online infrared radiation thermometer 13, by numerical monitor control
The surface temperature of 14 Real Time Observation base material of instrument 11 changes, and after the surface temperature of base material 11 reaches predetermined temperature, opens electromagnetism-ultrasound
Recombination energy field device realize sensing preheating, electromagnetic agitation cooperate with the multi- scenarios method of ultrasonic vibration, now, magnet exciting coil 6 with surpass
The regulation of the Jing field power supplies 7 of sonic generator 9 and ultrasonic power 8 so that magnetic field intensity is 50mT, base material 11 produces 25 μm
Amplitude, vibration frequency is 40kHz.
5) open laser instrument 1, the reflected mirror 2 of laser is radiated, condenser lens 15 focus on after, the surface of irradiation base material 11, realize
Synchronous axial powder feed Multi-energy field auxiliary laser deposited metals base ceramic coating processing, laser power is 1800W, and spot diameter is
4mm, sweep speed 1500mm/min, overlapping rate is 50%.
6) coaxial powder feeding device 3 and electromagnetism-ULTRASONIC COMPLEX energy field device are closed after cladding terminates, using high-frequency induction heating
Device carries out 600 DEG C of slow cooling to cladding layer 12 and processes, temperature retention time 1h.
Embodiment 3
1) titanium alloy Jing polishing, after cleaning and drying up is fixed on fixture 10；
2) the good Fe+50%SiC alloy powders of proportioning are put in ball mill carries out 10h mixing, it is to be mixed it is uniform after will
Powder is put into coaxial powder feeding device 3；
3) load coil 4 and the spacing of base material 11 are set as into 3mm, adjusting induction heating power 5 makes the surface of base material 11
Temperature reaches 450 DEG C；
4) temperature monitoring is carried out to the surface of base material 11 using industrial online infrared radiation thermometer 13, by numerical monitor control
The surface temperature of 14 Real Time Observation base material of instrument 11 changes, and after the surface temperature of base material 11 reaches predetermined temperature, opens electromagnetism-ultrasound
Recombination energy field device realize sensing preheating, electromagnetic agitation cooperate with the multi- scenarios method of ultrasonic vibration, now, magnet exciting coil 6 with surpass
The regulation of the Jing field power supplies 7 of sonic generator 9 and ultrasonic power 8 so that magnetic field intensity is 25mT, base material produces 15 μm and shakes
Width, vibration frequency is 30kHz.
5) open laser instrument 1, the reflected mirror 2 of laser is radiated, condenser lens 15 focus on after, the surface of irradiation base material 11, realize
Synchronous axial powder feed Multi-energy field auxiliary laser deposited metals base ceramic coating processing, laser power is 1500W, and spot diameter is
3mm, sweep speed 1000mm/min, overlapping rate is 40%.
6) coaxial powder feeding device 3 and electromagnetism-ULTRASONIC COMPLEX energy field device are closed after cladding terminates, using high-frequency induction heating
Device carries out 500 DEG C of slow cooling to cladding layer 12 and processes, temperature retention time 2h.
The embodiment be the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment, not
In the case of the flesh and blood of the present invention, any conspicuously improved, replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (7)
1. a kind of heat, sound, the method for magnetic recombination energy field auxiliary laser deposited metals base ceramic coating, it is characterised in that using sense
The Multi-energy field auxiliary laser cladding method in combination with electromagnetism-ULTRASONIC COMPLEX energy field should be heated and prepare high-performance zero defect Metal Substrate
Ceramic coating, specifically includes following steps：
A) base material (11) Jing polishing, after cleaning and drying up is fixed on fixture (10)；
B) the good ceramic on metal powder of proportioning is put in ball mill and is mixed, it is to be mixed it is uniform after powder is put into into powder feeder
(3)；
C) load coil (4) and base material (11) spacing are set in 1～5mm, induction heating power (5) is adjusted, are passed through
High-frequency induction heating is preheated to base material (11), makes base material (11) surface temperature at 280～800 DEG C；
D) after specimen surface temperature reaches predetermined temperature, open electromagnetism-ULTRASONIC COMPLEX energy field device and realize sensing heating, electromagnetism
Stirring and the multi- scenarios method of ultrasonic vibration；The electromagnetism-ULTRASONIC COMPLEX energy field device is that ultrasonic vibration installation and electromagnetic agitation are filled
Put；
E) open laser instrument (1) and realize synchronous axial powder feed Multi-energy field auxiliary laser deposited metals base ceramic coating processing；
F coaxial powder feeding device (3) and electromagnetism-ULTRASONIC COMPLEX energy field device) are closed after cladding terminates, is filled using high-frequency induction heating
Put carries out slow cooling process to cladding layer (12).
2. heat according to claim 1, sound, the method for magnetic recombination energy field auxiliary laser deposited metals base ceramic coating, its
Be characterised by, step A) in base material (11) be clamped positioning by four lead screw (16) Jing pads (17).
3. heat according to claim 1, sound, the method for magnetic recombination energy field auxiliary laser deposited metals base ceramic coating, its
Be characterised by, step B) in ceramic on metal powder be Ni-based, cobalt-based or ferrio self melting-ability alloy powder and WC, TiC,
Al2O3With the mixture of one or several ceramic particles in SiC, wherein, to strengthen phase, ceramic particle is compound for ceramic particle
Scope shared by weight/mass percentage composition in powder is 5～80wt.%, and mixed-powder is put in vacuum ball mill carries out 8-12h balls
Mill.
4. heat according to claim 1, sound, the method for magnetic recombination energy field auxiliary laser deposited metals base ceramic coating, its
Be characterised by, step C) in the detection of preheating temperature real-time online prison is carried out using industrial online infrared radiation thermometer (13)
Survey.
5. heat according to claim 1, sound, the method for magnetic recombination energy field auxiliary laser deposited metals base ceramic coating, its
Be characterised by, step D) in when the specimen surface temperature of monitoring reaches predetermined preheating temperature, by ultrasonic vibration installation and
Electromagnetic mixing apparatus are opened, and magnetic field intensity scope is the alternation magnetic of 5-50mT wherein in electromagnetism-ULTRASONIC COMPLEX energy field control parameter
, base material amplitude range 1-25 μm, vibration frequency 20-40kHz.
6. heat according to claim 1, sound, the method for magnetic recombination energy field auxiliary laser deposited metals base ceramic coating, its
Be characterised by, step E) in laser melting coating machined parameters scope be：Laser power is 800-1800W, and spot diameter is 1-
4mm, sweep speed is 300-1500mm/min, and overlapping rate is 30%-50%.
7. heat according to claim 1, sound, the method for magnetic recombination energy field auxiliary laser deposited metals base ceramic coating, its
It is characterised by, step F) medium-high frequency induction heating apparatus carries out slow cooling temperature ranges to cladding layer (12) for 300-
600 DEG C, temperature retention time 1-3h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611222037.4A CN106637200A (en) | 2016-12-27 | 2016-12-27 | Method for preparing metallic-matrix ceramic coating by using laser cladding assisted by heat, sound and magnetic complex energy field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611222037.4A CN106637200A (en) | 2016-12-27 | 2016-12-27 | Method for preparing metallic-matrix ceramic coating by using laser cladding assisted by heat, sound and magnetic complex energy field |
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| Publication Number | Publication Date |
|---|---|
| CN106637200A true CN106637200A (en) | 2017-05-10 |
Family
ID=58831437
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611222037.4A Pending CN106637200A (en) | 2016-12-27 | 2016-12-27 | Method for preparing metallic-matrix ceramic coating by using laser cladding assisted by heat, sound and magnetic complex energy field |
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Cited By (22)
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| CN108588708A (en) * | 2018-05-10 | 2018-09-28 | 福建工程学院 | The ultrasound of composite Nano coating involves the laser cladding method of sensing heating auxiliary |
| CN108714695A (en) * | 2018-06-20 | 2018-10-30 | 华东交通大学 | A kind of preparation method of ingredient and tissue double gradient composite material |
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