CN206089807U - Coaxial powder feeding device of supersonic speed laser deposition - Google Patents
Coaxial powder feeding device of supersonic speed laser deposition Download PDFInfo
- Publication number
- CN206089807U CN206089807U CN201620579603.6U CN201620579603U CN206089807U CN 206089807 U CN206089807 U CN 206089807U CN 201620579603 U CN201620579603 U CN 201620579603U CN 206089807 U CN206089807 U CN 206089807U
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- Prior art keywords
- laser
- laser head
- laval nozzle
- head
- powder feeding
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- 239000000843 powder Substances 0.000 title claims abstract description 34
- 230000008021 deposition Effects 0.000 title claims abstract description 30
- 208000037259 Amyloid Plaque Diseases 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 28
- 239000007921 spray Substances 0.000 claims description 13
- 230000008602 contraction Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 238000005507 spraying Methods 0.000 abstract description 9
- 230000003287 optical effect Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 3
- 241001330002 Bambuseae Species 0.000 abstract 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 3
- 239000011425 bamboo Substances 0.000 abstract 3
- 238000010030 laminating Methods 0.000 abstract 1
- 238000000151 deposition Methods 0.000 description 26
- 238000000576 coating method Methods 0.000 description 18
- 239000011248 coating agent Substances 0.000 description 17
- 230000035611 feeding Effects 0.000 description 15
- 239000000463 material Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 12
- 239000011159 matrix material Substances 0.000 description 10
- 239000003570 air Substances 0.000 description 8
- 238000010288 cold spraying Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000005514 two-phase flow Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008275 binding mechanism Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Landscapes
- Nozzles (AREA)
- Coating By Spraying Or Casting (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The utility model provides a coaxial powder feeding device of supersonic speed laser deposition, includes that laser goes out optical cavity, an installation section of thick bamboo, baffle, an at least protection letter shoot and at least one a laval nozzle, laser goes out the optical cavity and includes laser route and laser head, and laser route and laser head integrated into one piece, the laser route is coaxial with the light -emitting window of laser head, and the light -emitting window department of laser head is equipped with the printing opacity mirror, the laser route runs through coaxial inserting behind the baffle centre bore installation section of thick bamboo inner chamber, the bottom of an installation section of thick bamboo is supported the baffle upper surface, the lower surface of baffle and the laminating of the upper surface of laser head, a laval nozzle embedding the laser head in, a laval nozzle's air inlet and the high -pressure gas powder conveying tube intercommunication of card on the baffle, all a laval nozzle's axis all crosses with the laser that laser play optical cavity jetted out. The utility model discloses an useful technological effect is: need not to adjust one by one the relative position of a laval nozzle and laser head to at the in -process of spraying, the relative position of amyloid plaque and facula can not change yet.
Description
Technical field
The utility model is related to a kind of supersonic speed laser deposition coaxial powder feeding apparatus.
Background technology
Cold spraying is also known as cold-air dynamic spraying (Cold Gas Dynamic Spray, CGDS), and it is with compressed gas
Body (helium, nitrogen, air or mixed gas etc.) is accelerating medium, carries solid granulates and enters Laval nozzle (Laval
Nozzle supersonic speed gas-solid phase is produced in), solid granulates are (critical more than or equal to its with high speed after acceleration
Deposition velocity) collision matrix surface, particle and matrix are made while strong plastic deformation occurs and a kind of new of coating is formed
Spraying technology.Compared with thermal spraying, particle heating-up temperature is low in cold spray process, remains in that solid-state, and solid granulates are high
Stress, strain and strain rate under the conditions of the plastic flow that caused by " adia-batic shear instability " or become by violent plasticity
The mechanical processes such as shape realize deposition on the surface of the workpiece.Therefore in spraying process particle be not susceptible to oxidation, scaling loss, phase transformation,
Crystal grain such as is grown up at the phenomenon, therefore the chemical composition and microstructure of cold spraying coating can be consistent with raw material, especially
It is applied to temperature-sensitive material (such as nano material, non-crystalline material), oxidizable material (such as aluminium, copper, titanium) and easy phase transformation
It is prepared by the coating of material (such as C-base composte material).
Although cold spraying has its unique advantage at aspects such as holding coating material primitive component, reduction heat affectings,
It is that simple cold spray technique is still suffered from the drawback that：1) when depositing the higher coating material of hardness, it is necessary to helium as work
Carrier gas, it is relatively costly；2) particle is effectively deposited and the preparation of stable quality coating is largely dependent upon particle and base
The characteristic of plate material；3) coating is mainly mechanical bond with the binding mechanism of matrix, therefore the bond strength of depositing coating is relatively low.
For the deficiency of cold spray technique, William O ' the Neill seminars of univ cambridge uk propose supersonic speed
Laser deposition technique (Supersonic Laser Deposition, SLD), synchronously introduces cold spraying processed laser irradiation
Cheng Zhong, by laser energy radiation thermal softening process is carried out to cold spraying particle, matrix or both simultaneously, and moment adjusts and changes
Kind material mechanical performance and Collision deposition state, thickness, deposition efficiency, consistency and the combination for improving low pressure cold spray layer is strong
Degree, and then improve the performance of coating.Because LASER HEATING is to sprayed particle and the emollescence of base material, sprayed particle faces
Boundary's deposition velocity is down to original half, therefore the cheap nitrogen of available rates substitutes expensive helium, realizes high hardness material
Deposition, the scope of cold spraying deposition materials has been widened while reduces cost.
Supersonic speed laser deposition experimental provision is mainly comprised the following steps：Laser instrument, spray gun, mechanical arm, powder feeding
Device and high-pressure air source and other auxiliary equipments.Wherein, gun system is core apparatus.Sprayed particle is with acceleration gas in spray gun
Middle mixing, and certain speed is accelerated to, clash into substrate and form coating.Traditional supersonic laser deposition system is as shown in figure 1, Bearing score
That jet pipe 101, coating 102, matrix 103, laser head 104.Wherein Laval nozzle distinguishes clamping in mechanical arm with laser head
On, both are separate.Ultrasonic powder particle is deposited in the region of laser beam irradiation.Therefore, before experiment is carried out, all
The relative position for adjusting laser head and nozzle is needed, to ensure that the hot spot and amyloid plaque of laser overlap.This just becomes experimentation
Very complicated.In addition, in experimentation, because the swing of mechanical arm may affect the relative position of hot spot and amyloid plaque, from
And cause the region of the laser irradiation during deposition uneven, have impact on the combination between coating and matrix.And in tradition
In the gun system of supersonic speed laser deposition, only one of which Laval nozzle coordinates with laser instrument, is unfavorable for laser irradiation energy
Make full use of.
Accordingly, it would be desirable to develop a kind of easily operated multifunctional novel supersonic speed laser deposition coaxial powder feeding apparatus.
The content of the invention
For above-mentioned deficiency present in traditional supersonic laser deposition gun system, the purpose of this utility model is to provide
A kind of easily operated multi-functional supersonic speed laser deposition coaxial powder feeding apparatus.
A kind of supersonic speed laser deposition coaxial powder feeding apparatus described in the utility model, it is characterised in that：Go out including laser
Optical cavity, mounting cylinder, baffle plate, at least one protection letter shoot and at least one Laval nozzle, described Laser output chamber bag
Include laser via and laser head, described laser via is integrally formed with described laser head, described laser via with it is described
Laser head light-emitting window it is coaxial, and be provided with transmissive mirror at the light-emitting window of described laser head；Described laser via runs through
Described installation tube inner chamber is co-axially inserted behind described baffle center hole, the bottom of described mounting cylinder is against on described baffle plate
Surface；The lower surface of described baffle plate is fitted with the upper surface of described laser head；Described in described Laval nozzle is embedded
In laser head, the air inlet of described Laval nozzle is connected with the gases at high pressure powder conduit being stuck on baffle plate, all of
The laser that the axis of Laval nozzle is projected with Laser output chamber crosses；Described protection letter shoot it is embedded described
The upper end air inlet of protection letter shoot in laser head and described stretches out from baffle plate upper surface, described shielding gas conveying
The lower end gas outlet of pipe connects with the light-emitting window of the described laser head positioned at transmissive mirror bottom.
Described Laval nozzle is circumferentially arranged along the gas outlet of described laser head.
Described Laval nozzle is divided into the direct tube section for being connected with described gases at high pressure powder conduit, as larynx
The contraction section and expansion segment in portion, the throat shape of described contraction section is circular, rectangle or ellipse.
Described transmissive mirror is connected with the gas outlet inner wall sealing of described laser head, and central shaft and the institute of transmissive mirror
The center overlapping of axles in the Laser output chamber stated.
The laser spot diameter that described Laser output chamber is projected is more than the dusty spray that described Laval nozzle is projected
Amyloid plaque diameter.
Bearing score nozzle described in the utility model can be even more more for two, three, four or five, are distributed in laser
Emitting cavity top；Bearing score nozzle powder feeding supply gas control it is separate, can be with one or more powder feedings that cooperate；Bearing score nozzle
Spray distance can with it is equal can also be unequal；The throat diameter of Bearing score nozzle can be the same or different.
Advantageous Effects of the present utility model are：1) Laval nozzle has been integrated in a device with laser head, letter
Experimental facilities is changed；
2) without the need for the relative position for gradually adjusting Laval nozzle and laser head, and during spraying, amyloid plaque and
The relative position of hot spot also will not change；
3) multiple Laval nozzles are realized compound with one laser beam, improves the utilization rate of laser energy；
4) powder feeding between multiple Laval nozzles with supply gas control be it is separate, can selectively to certain several spray
Mouth carries out powder feeding and supplies gas such that it is able to regulation powder feeding rate interior on a large scale；
5) throat shape of multiple Laval nozzles can be with identical with size, it is also possible to different, it is possible to achieve of the same race or different
Plant the compound use of parameters Nozzle；
6) species of deposited powder particle can be with identical with size in multiple Laval nozzles, it is also possible to different, so may be used
With the synchronous composite deposition for realizing multiple material, the matching way of various powders particle is greatly enriched.
Description of the drawings
Fig. 1 is structural representation (the 101- Laval nozzles of traditional supersonic laser deposition system；102- coatings；103-
Matrix；104- laser heads)；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is the schematic diagram that the utility model arranges two identical circle Laval nozzles；
Fig. 4 is that (top view, the direction of arrow is represented for one of Laser output chamber top nozzle and amyloid plaque distribution schematic diagram of Fig. 3
Sweep speed direction, A represents amyloid plaque I；B represents amyloid plaque II)；
Fig. 5 be the utility model arrange two different Laval nozzles schematic diagram (one of trunnion be shaped as circle
Shape, another trunnion is shaped as square)；
Fig. 6 is two (top view, direction of arrow representatives of the Laser output chamber top nozzle of Fig. 5 and amyloid plaque distribution schematic diagram
Sweep speed direction, A represents amyloid plaque I；C represents amyloid plaque III)；
Fig. 7 be the utility model arrange three Laval nozzles schematic diagram (two of which trunnion is generally circular in shape, another
Individual trunnion is shaped as ellipse)；
Fig. 8 is two (top view, direction of arrow representatives of the Laser output chamber top nozzle of Fig. 7 and amyloid plaque distribution schematic diagram
Sweep speed direction, A represents amyloid plaque I；B represents amyloid plaque II；D represents amyloid plaque IV).
Specific embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings
Referring to the drawings：
A kind of supersonic speed laser deposition coaxial powder feeding apparatus described in the utility model of embodiment 1, including Laser output chamber
1st, mounting cylinder 2, baffle plate 3, at least one protection Laval nozzle 5 of letter shoot 4 and at least one, described Laser output chamber 1
Including laser via 11 and laser head 12, described laser via 11 is integrally formed with described laser head 12, described laser
Transmissive mirror 6 is provided with the light-emitting window of the laser head 12 coaxial and described with the light-emitting window of described laser head 12 of path 11；Institute
The laser via stated is co-axially inserted the described inner chamber of mounting cylinder 2 after the described centre bore of baffle plate 3, described mounting cylinder 2
Bottom is against the described upper surface of baffle plate 3；The lower surface of described baffle plate 3 is fitted with the upper surface of described laser head；It is described
Laval nozzle 5 be embedded in described laser head 12, the air inlet and the height being stuck on baffle plate 3 of described Laval nozzle 5
Body powder conduit 7 of calming the anger is connected, and the laser that the axis of all of Laval nozzle 7 is projected with Laser output chamber 1 crosses；
The upper end air inlet of protection letter shoot 4 in the embedded described laser head 12 of described protection letter shoot 4 and described
Stretch out from the upper surface of baffle plate 3, the lower end gas outlet of described protection letter shoot 4 is swashed with the described of the bottom of transmissive mirror 6 is located at
The light-emitting window connection of shaven head 12.
Described Laval nozzle 5 is circumferentially arranged along the gas outlet of described laser head 12.
5 points described of Laval nozzle is direct tube section, the conduct for being connected with described gases at high pressure powder conduit 7
The contraction section and expansion segment of throat, the throat shape of described contraction section is circular, rectangle or ellipse.
Described transmissive mirror 6 is connected with the gas outlet inner wall sealing of described laser head 12, and the central shaft of transmissive mirror 6
With the center overlapping of axles in described Laser output chamber 1.
The laser spot diameter that described Laser output chamber 1 is projected is more than the dusty spray that described Laval nozzle is projected
Amyloid plaque diameter.
Bearing score nozzle described in the utility model can be even more more for two, three, four or five, are distributed in laser
Emitting cavity top；Bearing score nozzle powder feeding supply gas control it is separate, can be with one or more powder feedings that cooperate；Bearing score nozzle
Spray distance can with it is equal can also be unequal；The throat diameter of Bearing score nozzle can be the same or different.
In 2 examples of embodiment, laser head is provided with two Laval nozzles, and the contraction section of Laval nozzle is shaped as
It is circular；Laser spot diameter more than amyloid plaque diameter, two circular Laval nozzles (51,52) with regard to emitting cavity axisymmetrical point
Cloth Laser output chamber laser head (as shown in Figure 3), two beam powder-gas two phase flows in Laval nozzle clash into simultaneously by
The region of matrix 7 of laser synchronization heating.The amyloid plaque I of nozzle 51 and the amyloid plaque II of nozzle 52 mutually adjoin but do not overlap (along sweeping
The right distribution of the first from left of velocity attitude one is retouched, as shown in Figure 4), and in same horizontal line.It is single compared to traditional spraying process
After secondary spraying, signal layer coating is made up of twice sedimentary overlap joint, substantially increases the width of single spin.
In 3 examples of embodiment, laser head is provided with two Laval nozzles, the shape one of the contraction section of Laval nozzle
It is individual for circle, one is square；Laser spot diameter is more than amyloid plaque diameter, circular Laval nozzle 51 and square Laval nozzle
53 with regard to emitting cavity axis mal-distribution Laser output chamber head, (as shown in Figure 5), the two beam powder-gas in nozzle
Body two phase flow clashes into the matrix region heated by laser synchronization simultaneously.The amyloid plaque I of nozzle 51 and the amyloid plaque III of nozzle 53 it is adjacent but
Do not overlap (be one in front and one in back distributed along on sweep speed direction, as shown in Figure 6).With the spraying process phase of conventional lance system
Than after single spin, signal layer coating is made up of the superposition of twice sedimentary, improves the thickness of single spin coating, and real
The recombination laser deposition of xenogenesis shape nozzle is showed
In 4 examples of embodiment, laser head is provided with three Laval nozzles, the shape two of the contraction section of Laval nozzle
It is individual for circle, one is ellipse；Laser spot diameter is more than amyloid plaque diameter, circular Laval nozzle (51,52) and the 3rd
Oval Laval nozzle (54) is non-uniformly distributed in the surrounding (as shown in Figure 7) of Laser output chamber head, the three beams in nozzle
Powder-gas two phase flow clashes into the matrix region heated by laser synchronization simultaneously.The amyloid plaque I of nozzle 51 and the amyloid plaque II of nozzle 52
Mutually adjoin but do not overlap (along the right distribution of the first from left of sweep speed direction one), the amyloid plaque IV of the 3rd nozzle 54 and nozzle (51,
52) amyloid plaque I, II is overlapped simultaneously, as shown in Figure 8.The powder of three nozzles is with gas by same group of high-pressure air source and powder feeder
Conveying, but there is separate control system, can as needed to one of nozzle, two nozzles or three nozzles
Carry out individually or simultaneously powder feeding to supply gas.Compared with the spraying process of conventional lance system, after single spin, xenogenesis shape can be obtained
The compound single track coating of shape, overlap joint coating or superposition coating, can not only improve the width of one single deposition, and also improve thickness
Degree.
Content described in this specification embodiment is only enumerating for the way of realization to utility model design, and this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model is also wrapped
Include those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (5)
1. a kind of supersonic speed laser deposition coaxial powder feeding apparatus, it is characterised in that：Including Laser output chamber, mounting cylinder, baffle plate, extremely
A few protection letter shoot and at least one Laval nozzle, described Laser output chamber includes laser via and laser head,
Described laser via is integrally formed with described laser head, and described laser via is same with the light-emitting window of described laser head
Transmissive mirror is provided with axle, and the light-emitting window of described laser head；Described laser via is behind described baffle center hole
Described installation tube inner chamber is co-axially inserted, the bottom of described mounting cylinder is against described baffle plate upper surface；Described baffle plate
Lower surface is fitted with the upper surface of described laser head；Described Laval nozzle is embedded in described laser head, described drawing
The air inlet of Wa Er jet pipes is connected with the gases at high pressure powder conduit being stuck on baffle plate, the axis of all of Laval nozzle
The laser for projecting with Laser output chamber crosses；It is in the embedded described laser head of described protection letter shoot and described
The upper end air inlet of protection letter shoot stretch out from baffle plate upper surface, the lower end gas outlet and position of described protection letter shoot
Connect in the light-emitting window of the laser head described in transmissive mirror bottom.
2. a kind of supersonic speed laser deposition coaxial powder feeding apparatus as claimed in claim 1, it is characterised in that：Described Lavalle
Jet pipe is circumferentially arranged along the gas outlet of described laser head.
3. a kind of supersonic speed laser deposition coaxial powder feeding apparatus as claimed in claim 2, it is characterised in that：Described Lavalle
Jet pipe is divided into the direct tube section for being connected with described gases at high pressure powder conduit, as the contraction section and expansion segment of throat,
The throat shape of described contraction section is rectangle or ellipse.
4. a kind of supersonic speed laser deposition coaxial powder feeding apparatus as claimed in claim 1, it is characterised in that：Described transmissive mirror
It is connected with the gas outlet inner wall sealing of described laser head, and the center in the central shaft of transmissive mirror and described Laser output chamber
Overlapping of axles.
5. a kind of supersonic speed laser deposition coaxial powder feeding apparatus as claimed in claim 1, it is characterised in that：Described laser
The laser spot diameter that emitting cavity is projected is more than the dusty spray amyloid plaque diameter that described Laval nozzle is projected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620579603.6U CN206089807U (en) | 2016-06-14 | 2016-06-14 | Coaxial powder feeding device of supersonic speed laser deposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620579603.6U CN206089807U (en) | 2016-06-14 | 2016-06-14 | Coaxial powder feeding device of supersonic speed laser deposition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206089807U true CN206089807U (en) | 2017-04-12 |
Family
ID=58471693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620579603.6U Expired - Fee Related CN206089807U (en) | 2016-06-14 | 2016-06-14 | Coaxial powder feeding device of supersonic speed laser deposition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206089807U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862034A (en) * | 2016-06-14 | 2016-08-17 | 浙江工业大学 | Supersonic laser deposition coaxial powder feeding device |
| CN108950533A (en) * | 2017-05-17 | 2018-12-07 | 上海柘火智能科技有限公司 | A kind of coaxial composite deposition device and method of laser-cold spraying |
-
2016
- 2016-06-14 CN CN201620579603.6U patent/CN206089807U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862034A (en) * | 2016-06-14 | 2016-08-17 | 浙江工业大学 | Supersonic laser deposition coaxial powder feeding device |
| CN108950533A (en) * | 2017-05-17 | 2018-12-07 | 上海柘火智能科技有限公司 | A kind of coaxial composite deposition device and method of laser-cold spraying |
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