CN101768713A - Method for preparing composite coating by soft metal powder and rigid grains and device therefor - Google Patents
Method for preparing composite coating by soft metal powder and rigid grains and device therefor Download PDFInfo
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- CN101768713A CN101768713A CN200810230249A CN200810230249A CN101768713A CN 101768713 A CN101768713 A CN 101768713A CN 200810230249 A CN200810230249 A CN 200810230249A CN 200810230249 A CN200810230249 A CN 200810230249A CN 101768713 A CN101768713 A CN 101768713A
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- 239000000843 powder Substances 0.000 title claims abstract description 94
- 238000000576 coating method Methods 0.000 title claims abstract description 73
- 239000011248 coating agent Substances 0.000 title claims abstract description 68
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 57
- 239000002184 metal Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000002131 composite material Substances 0.000 title abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 14
- 230000005514 two-phase flow Effects 0.000 claims abstract description 14
- 238000005516 engineering process Methods 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 9
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 53
- 239000002245 particle Substances 0.000 claims description 52
- 150000001875 compounds Chemical class 0.000 claims description 30
- 239000003570 air Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910003460 diamond Inorganic materials 0.000 claims description 8
- 239000010432 diamond Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 230000008021 deposition Effects 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 230000001133 acceleration Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052745 lead Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 229910000648 terne Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000002905 metal composite material Substances 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- 229910018173 Al—Al Inorganic materials 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000011812 mixed powder Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical group C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 1
- -1 aluminum aluminum oxide compound Chemical class 0.000 description 1
- 239000003831 antifriction material Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035922 thirst Effects 0.000 description 1
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(II) oxide Inorganic materials [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
The invention relates to a preparation technology for a metal composite coating, in particular to a method for preparing a composite coating by soft metal powder and rigid grains and a device therefor. In the method, the gas power spraying technology is adopted; the soft metal powder and the rigid grains are mixed; one part of the compressed gas carrying powder is mixed with the gas pre-heated by a heater at a gas inlet of a supersonic flow nozzle by a powder feeder, and then the mixed gas become gas-solid two-phase flow by the nozzle; solid grains in the gas-solid two-phase flow are sprayed onto the surface of a workpiece and are deposited on the surface of the workpiece after serious plastic deformation; and the subsequent high kinetic-energy grains are processed by the procedure to form an alloy. The method has simple process, low cost and high efficiency and can be used for preparing the composite coating. The device is provided with a high-pressure gas source, the heater, the powder feeder and the supersonic flow nozzle, wherein the high-pressure gas source is connected with a gas inlet pipe; the gas inlet pipe connected with the high-pressure gas source is connected with the powder feeder, the heater and the supersonic flow nozzle respectively; therefore, the device has simple and practical structure.
Description
Technical field
The present invention relates to the technology of preparing of metal composite coating, specifically is exactly method and device that a kind of soft metal powder and hard particles prepare compound coating.
Background technology
In existing technology, there is several different methods to prepare metal and ceramic composite coating, but always there is a lot of problems, see " pottery " magazine fourth phase in 2008 " present Research of cermet composite coating technology of preparing " for details, when preparing metal-ceramic coating with hot spray process, the spray material utilization ratio is low, be difficult to prepare the bigger coated material of thickness etc.Spreading its shortcoming of high temperature synthetic technology is to be subjected to the restriction of starting material system selection bigger in using, and the dense coating of the big thickness of preparation is difficulty relatively.The one-time investment of laser melting and coating technique equipment is big, and the running cost height especially during the big area cladding, must be taked the lap joint process measure because spot size is little, has increased the probability that metallurgical imperfection produces.Raw materials used majority is an organic compound in sol-gel method, and cost is high and some is harmful, and the treatment time is long, and goods are easy to crack etc.When the vacuum liquid-phase sintering legal system is equipped with the metal-ceramic compound coating, adopt slip coating or spraying coating process usually, the slurry process coating is not owing to fine and close, so the energy force rate powder method coating of resistance to fracture is low.Prepare the problem that also there is the bonding force difference in some soft metals (as fine aluminium coating etc.) with the aerodynamic force spraying method.
Summary of the invention
The object of the present invention is to provide a kind of soft metal powder and hard particles to prepare the method and the isolated plant thereof of compound coating, this method can prepare the compound coating of different components ratio, and the hard particles disperse is distributed in the coating of soft metal, can on the various material base material, directly prepare coating, and thickness is unrestricted; This apparatus structure is simple, easy to operate.
For achieving the above object, technical scheme of the present invention:
A kind of soft metal powder and hard particles prepare the method for compound coating, adopt the aerodynamic force spraying technology, use soft metal powder and hard particles to mix; The source of the gas pressurized gas divides two-way, and one the tunnel enters powder feeder, as carrier powder is introduced superonic flow nozzzle; Another road enters well heater, gas is gone into superonic flow nozzzle through preheating is laggard, inlet mouth at superonic flow nozzzle, two-way gas mixes the gas-solid two-phase flow of formation at inlet mouth, two-phase flow accelerates to velocity of sound in the constriction of superonic flow nozzzle, then continue the acceleration of expanding at the expansion of superonic flow nozzzle by throat, two-phase flow reaches supersonic speed in the exit of nozzle, gas-solid two-phase flow is sprayed to base material, powder deposition at substrate surface, is formed the coating that soft metal powder and hard particles two-phase even dispersion distribute; Its processing parameter is: jet length 5～50mm; Gas pressure intensity 0.5～5.0MPa; In the two-way pressurized gas, the gas temperature that enters powder feeder is a room temperature, and the gas temperature that enters after the heater heats is 150～700 ℃, and the air flow rate of two-way pressurized gas is 10～30g/s, and the granularity of soft metal powder or hard particles is 1～300 μ m.
In the above-mentioned processing parameter, preferable range is as follows: jet length 15～45mm; Gas pressure intensity 1.0～3.0MPa; In the two-way pressurized gas, the gas temperature that enters powder feeder is a room temperature, and the gas temperature that enters after the heater heats is 180～500 ℃, and the air flow rate of two-way pressurized gas is 15～25g/s, and the granularity of soft metal powder or hard particles is 10～50 μ m.
Used powder is the powder of pure soft metal or powdered alloy and the preparation of hard particles employing mechanically mixing method.
Described pure soft metal powder is Al, Cu, Ag, Sn, Zn or Pb; Described powdered alloy is aluminium alloy, copper alloy or terne metal etc.
Described hard particles is Al
2O
3, SnO
2, SiO
2, InO
2Or diamond.
Described gas is air, nitrogen or helium.
Among the present invention, the part by weight of soft metal powder and hard particles is for to mix from 1: 1 to arbitrary proportion the soft metal powder, the part by weight that is soft metal powder and hard particles is 1: (0～1, and be not 0), the preferred weight ratio of soft metal powder and hard particles is (1～100): 1.
A kind of soft metal powder and hard particles prepare the isolated plant of the method for compound coating, this device is provided with high-pressure air source, well heater, powder feeder, the superonic flow nozzzle that links to each other with inlet pipe, the inlet pipe of described connection high-pressure air source is connected with superonic flow nozzzle with well heater through powder feeder respectively, and the pipe section that places well heater is a helix structure.
Among the present invention, superonic flow nozzzle is made up of contraction section, throat and expansion segment three parts, and the sectional area of the sectional area of nozzle inlet mouth, throat, air outlet must meet certain ratio, can reach supersonic speed to guarantee pressurized gas by after the nozzle.Superonic flow nozzzle of the present invention adopts disclosed patent application, and the denomination of invention of this patent application is a cold air driven spray painter, and application number is 01128130.8, and publication number is CN1403210A.
Compared with prior art, the present invention has the following advantages:
1. the present invention adopts the aerodynamic force spraying technology, only by mechanical uniform mixing powder, just can utilize high velocity air that soft metal powder and hard particles directly are sprayed at workpiece surface, by parameters such as control spray angles, make powder deposition on workpiece, form the NEW TYPE OF COMPOSITE coating that even dispersion distributes, can realize that low-temperature and high-speed deposition soft metal powder and hard particles form compound coating, have changed the way that traditional preparation method must be heated to melted state earlier.
2. the present invention can directly prepare soft metal powder and hard particles blended compound coating in surfaces of various materials, for example prepares wear-resisting and conductive coating etc.
3. the present invention can adopt soft metal powder and hard particles mechanically mixing powder; do not need the coating of powder to handle as raw material; the compound coating that therefore can prepare the arbitrary element ratio easily; that is to say that soft metal powder and hard particles content can be arbitrary value, solved traditional method restricted problem on some constituent content.
4. the compound coating process of preparation soft metal powder of the present invention and hard particles can have been avoided the harm to operator of some toxic metal such as lead, more compliance with environmental protection requirements being lower than fusing point even can at room temperature carrying out.
5. the soft metal powder of the method for the invention preparation has composition with the hard particles compound coating and is evenly distributed the advantage that microstructure is tiny mutually.
6. the inventive method is simple, cost is low, efficient is high, and it is simple in structure, practical, easy to operate to prepare its isolated plant of multiple compound coating.
7. the used powder of the present invention is soft metal powder and hard particles mixed powder, and these powder systems comprise: abrasion-resistant material, and as Al-Al
2O
3, Cu-C (diamond) etc.; Electrical material, as with Ag, Cu, Al as matrix, InO
2, SnO
2Deng as the disperse phase element, form the structure of conduction and heat conduction, to improve the intensity and the high conductivity of material.
Description of drawings
Fig. 1 is apparatus of the present invention synoptic diagram.Among the figure, 1 inlet pipe; 2 powder feeders; 3 well heaters; 4 superonic flow nozzzles; 5 base materials; 6 Gas controllers.
Fig. 2 is embodiment 1 a coating SEM microstructure section photo.
Embodiment
As shown in Figure 1, the preparation method's of soft metal powder and hard particles compound coating isolated plant, have the high-pressure air source that links to each other with inlet pipe 1, powder feeder 2, well heater 3, superonic flow nozzzle 4, Gas controller 6 etc., the inlet pipe 1 that connects high-pressure air source is connected with Gas controller 6, Gas controller 6 is connected by pipeline with powder feeder 2 and well heater 3 respectively, powder feeder 2 is connected with superonic flow nozzzle 4 by pipeline respectively with well heater 3, the pipe section that places well heater 3 is a helix structure, and base material 5 is relative with superonic flow nozzzle 4 outlets.
The present invention adopts the aerodynamic force spraying technology, use mechanical uniform mixing soft metal powder and hard particles, high pressure gas enter powder feeder 2 and well heater 3 through inlet pipe 1, the portion gas that enters powder feeder 2 carries powder by powder feeder and is mixed into gas-solid two-phase flow in the ingress of superonic flow nozzzle and the preheating gas of process well heater 3, through accelerator, two-phase flow reaches the supersonic speed state in the exit of nozzle to gas-solid two-phase flow in superonic flow nozzzle.Metallic particles in the two-phase flow has very high kinetic energy, is adhered to substrate surface taking place in the process of bump serious viscous deformation to take place with substrate surface, and follow-up kinetic energy particle repeats this process and forms alloy or coating.Thereby, utilize high velocity air with powder deposition at substrate surface, form the compound coating of even dispersion.
Embodiment 1
The soft metal powder and the hard particles compound coating of present embodiment preparation are anti-scuff coating Al-Al
2O
3System, used powder are the mixed powder of fine aluminium and aluminum oxide, and the part by weight of fine aluminium and aluminum oxide is 3: 1, and base material is a magnesium alloy.Spraying parameter is as follows: jet length 10mm; Gas pressure intensity 1.9MPa; In the two-way pressurized gas, the gas temperature that enters powder feeder is a room temperature, and the gas temperature that enters after the heater heats is 220 ℃; The air flow rate of two-way pressurized gas is 15g/s; The powder size of soft metal powder and hard particles is 5～50 microns.The result has obtained Al-Al
2O
3Coating, through scanning electron microscopic observation, Al-Al
2O
3Be evenly distributed mutually, do not have poly-partially phenomenon and occur, see Fig. 2.
Embodiment 2
Difference from Example 1 is:
Soft metal powder and the hard particles compound coating wear-resistant coating copper and the diamond coatings of present embodiment preparation, No. 45 steel are as matrix, copper and diamond powder are coated material, copper and adamantine part by weight 10: 1, and spraying parameter is as follows: jet length 20mm; Gas pressure intensity 2.0MPa; In the two-way pressurized gas, the gas temperature that enters powder feeder is a room temperature, and the gas temperature that enters after the heater heats is 350 ℃; The air flow rate of two-way pressurized gas is 30g/s; The powder mean particle sizes of soft metal powder and hard particles is 50 microns.The result has obtained copper and diamond coatings, and through scanning electron microscopic observation, copper and diamond coatings two-phase are evenly distributed compact structure.
Embodiment 3
Difference from Example 1 is:
The soft metal powder and the hard particles compound coating of present embodiment preparation are high conductive coating Ag-SnO
2Coating, Ag and SnO
2Mixed powder, Ag and SnO
2Part by weight 20: 1, base material is a copper.Spraying parameter is as follows: jet length 40mm; Gas pressure intensity 1.8MPa; In the two-way pressurized gas, the gas temperature that enters powder feeder is a room temperature, and the gas temperature that enters after the heater heats is 500 ℃; The air flow rate of two-way pressurized gas is 30g/s; The powder mean particle sizes of soft metal powder and hard particles is 5 microns.The result has obtained Ag-SnO
2Coating, through scanning electron microscopic observation, Ag-SnO
2Two-phase is evenly distributed, and does not have poly-partially phenomenon and occurs.
Embodiment 4
Difference from Example 1 is:
The soft metal powder and the hard particles compound coating of present embodiment preparation are Cu-InO
2Coating, Cu and InO
2Mixed powder, Cu and InO
2Part by weight 5: 1, base material is an aluminium.Spraying parameter is as follows: jet length 15mm; Gas pressure intensity 3.0MPa; In the two-way pressurized gas, the gas temperature that enters powder feeder is a room temperature, and the gas temperature that enters after the heater heats is 330 ℃; The air flow rate of two-way pressurized gas is 20g/s; The powder mean particle sizes of soft metal powder and hard particles is 50 microns.The result has obtained Cu-InO
2Coating, through scanning electron microscopic observation, Cu-InO
2Two-phase is evenly distributed, and does not have poly-partially phenomenon and occurs.
Embodiment result shows that the present invention can effectively improve Bond Strength of Coating by using the method for mixing hard particles in the soft metal, the preparation thick coating, and the preparation coating is with low cost, simultaneously the recyclable utilization of powder.The hardness etc. that can effectively improve Bond Strength of Coating and increase coating by the method for use mixing hard particles has plurality of advantages.This compound coating has a wide range of applications in the following aspects.
1. abrasion-resistant material is that compound coating has application prospect most and obtained the field of widespread use, this class material is usually by two phase composites, hard particles carry load wherein, softer metal is uniformly distributed in the matrix as antifriction material, the wide range of this class material is general, such as: copper diamond composite coating, aluminum aluminum oxide compound coating or the like.
2. in compound coating, contain a kind of such as Ag, Cu and Al, SnO as matrix
2,InO
2Deng as complex element, form the structure of conduction and heat conduction.This compound coating can improve the conduction and the capacity of heat transmission, increases the intensity of coating, improves coating's adhesion.
In addition, soft metal powder and hard particles prepare compound coating and also thirst for using widely other all many-sided acquisition.
Claims (6)
1. soft metal powder and hard particles prepare the method for compound coating, it is characterized in that: adopt the aerodynamic force spraying technology, use soft metal powder and hard particles to mix; The source of the gas pressurized gas divides two-way, and one the tunnel enters powder feeder, as carrier powder is introduced superonic flow nozzzle; Another road enters well heater, gas is gone into superonic flow nozzzle through preheating is laggard, inlet mouth at superonic flow nozzzle, two-way gas mixes the gas-solid two-phase flow of formation at inlet mouth, two-phase flow accelerates to velocity of sound in the constriction of superonic flow nozzzle, then continue the acceleration of expanding at the expansion of superonic flow nozzzle by throat, two-phase flow reaches supersonic speed in the exit of nozzle, gas-solid two-phase flow is sprayed to base material, powder deposition at substrate surface, is formed the coating that soft metal powder and hard particles two-phase even dispersion distribute; Its processing parameter is: jet length 5～50mm; Gas pressure intensity 0.5～5.0MPa; In the two-way pressurized gas, the gas temperature that enters powder feeder is a room temperature, and the gas temperature that enters after the heater heats is 150～700 ℃, and the air flow rate of two-way pressurized gas is 10～30g/s, and the granularity of soft metal powder or hard particles is 1～300 μ m.
2. prepare the method for compound coating according to described soft metal powder of claim 1 and hard particles, it is characterized in that: used soft metal powder is the powder of pure soft metal or powdered alloy and the preparation of hard particles employing mechanically mixing method.
3. prepare the method for compound coating according to described soft metal powder of claim 1 and hard particles, it is characterized in that: described pure soft metal powder is Al, Cu, Ag, Sn, Zn or Pb; Described powdered alloy is aluminium alloy, copper alloy or terne metal.
4. prepare the method for compound coating according to described soft metal powder of claim 1 and hard particles, it is characterized in that: described hard particles is Al
2O
3, SnO
2, SiO
2, InO
2Or diamond.
5. prepare the method for compound coating according to described soft metal powder of claim 1 and hard particles, it is characterized in that: described gas is air, nitrogen or helium.
6. described soft metal powder of claim 1 and hard particles prepare the isolated plant of the method for compound coating, it is characterized in that: this device is provided with high-pressure air source, well heater, powder feeder, the superonic flow nozzzle that links to each other with inlet pipe, the inlet pipe of described connection high-pressure air source is connected with superonic flow nozzzle with well heater through powder feeder respectively, and the pipe section that places well heater is a helix structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810230249A CN101768713A (en) | 2008-12-26 | 2008-12-26 | Method for preparing composite coating by soft metal powder and rigid grains and device therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810230249A CN101768713A (en) | 2008-12-26 | 2008-12-26 | Method for preparing composite coating by soft metal powder and rigid grains and device therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101768713A true CN101768713A (en) | 2010-07-07 |
Family
ID=42501812
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810230249A Pending CN101768713A (en) | 2008-12-26 | 2008-12-26 | Method for preparing composite coating by soft metal powder and rigid grains and device therefor |
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|---|---|
| CN (1) | CN101768713A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105734553A (en) * | 2016-04-07 | 2016-07-06 | 天津德瑞云科技有限公司 | Preparation method for sliver coating |
| CN113529072A (en) * | 2021-07-14 | 2021-10-22 | 济南大学 | Laser cladding boiling type powder feeder |
| CN113737169A (en) * | 2021-08-16 | 2021-12-03 | 江苏大学 | Electroplastic auxiliary cold spraying device and coating preparation method |
| CN113913804A (en) * | 2021-10-12 | 2022-01-11 | 广东省科学院新材料研究所 | Method for manufacturing liquid rocket case, and liquid rocket |
| CN114231880A (en) * | 2021-12-17 | 2022-03-25 | 武汉苏泊尔炊具有限公司 | Cutting tool and method for manufacturing same |
| CN114226729A (en) * | 2020-09-09 | 2022-03-25 | 华中科技大学 | Powder fluid thermal plasticizing injection molding device, composite molding system and method |
| CN115029693A (en) * | 2022-04-25 | 2022-09-09 | 宁波大学 | Method for preparing silver coating by using ultra-high-speed laser cladding technology and product thereof |
| CN115613026A (en) * | 2022-11-13 | 2023-01-17 | 沈阳工业大学 | Preparation method of magnesium alloy surface cold spraying aluminum-based composite wear-resistant coating |
-
2008
- 2008-12-26 CN CN200810230249A patent/CN101768713A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105734553A (en) * | 2016-04-07 | 2016-07-06 | 天津德瑞云科技有限公司 | Preparation method for sliver coating |
| CN114226729A (en) * | 2020-09-09 | 2022-03-25 | 华中科技大学 | Powder fluid thermal plasticizing injection molding device, composite molding system and method |
| CN113529072A (en) * | 2021-07-14 | 2021-10-22 | 济南大学 | Laser cladding boiling type powder feeder |
| CN113529072B (en) * | 2021-07-14 | 2022-07-22 | 济南大学 | Laser cladding boiling type powder feeder |
| CN113737169A (en) * | 2021-08-16 | 2021-12-03 | 江苏大学 | Electroplastic auxiliary cold spraying device and coating preparation method |
| CN113737169B (en) * | 2021-08-16 | 2024-05-14 | 江苏大学 | Electroplastic auxiliary cold spraying device and coating preparation method |
| CN113913804B (en) * | 2021-10-12 | 2022-05-31 | 广东省科学院新材料研究所 | Method for manufacturing liquid rocket case, and liquid rocket |
| CN113913804A (en) * | 2021-10-12 | 2022-01-11 | 广东省科学院新材料研究所 | Method for manufacturing liquid rocket case, and liquid rocket |
| CN114231880A (en) * | 2021-12-17 | 2022-03-25 | 武汉苏泊尔炊具有限公司 | Cutting tool and method for manufacturing same |
| CN114231880B (en) * | 2021-12-17 | 2024-02-02 | 武汉苏泊尔炊具有限公司 | Tool and method for manufacturing the same |
| CN115029693A (en) * | 2022-04-25 | 2022-09-09 | 宁波大学 | Method for preparing silver coating by using ultra-high-speed laser cladding technology and product thereof |
| CN115029693B (en) * | 2022-04-25 | 2023-10-20 | 宁波大学 | Method for preparing silver coating by using ultra-high-speed laser cladding technology and product thereof |
| CN115613026A (en) * | 2022-11-13 | 2023-01-17 | 沈阳工业大学 | Preparation method of magnesium alloy surface cold spraying aluminum-based composite wear-resistant coating |
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