CN105458259A - Laser forming method of Cr3C2-NiCr composite material component - Google Patents
Laser forming method of Cr3C2-NiCr composite material component Download PDFInfo
- Publication number
- CN105458259A CN105458259A CN201510895924.7A CN201510895924A CN105458259A CN 105458259 A CN105458259 A CN 105458259A CN 201510895924 A CN201510895924 A CN 201510895924A CN 105458259 A CN105458259 A CN 105458259A
- Authority
- CN
- China
- Prior art keywords
- powder
- laser
- hopper
- laser forming
- powder feeding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 25
- 229910001120 nichrome Inorganic materials 0.000 title claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 92
- 239000002994 raw material Substances 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims abstract description 14
- 239000010439 graphite Substances 0.000 claims abstract description 6
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 6
- 230000035611 feeding Effects 0.000 claims description 35
- 239000000203 mixture Substances 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 230000032798 delamination Effects 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 5
- 239000011812 mixed powder Substances 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 238000007514 turning Methods 0.000 claims description 2
- 239000000956 alloy Substances 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 238000011065 in-situ storage Methods 0.000 description 6
- 239000007769 metal material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical group [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/58—Means for feeding of material, e.g. heads for changing the material composition, e.g. by mixing
-
- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/52—Hoppers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/55—Two or more means for feeding material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/053—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 30% but less than 40%
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
- B22F10/322—Process control of the atmosphere, e.g. composition or pressure in a building chamber of the gas flow, e.g. rate or direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
- B22F10/366—Scanning parameters, e.g. hatch distance or scanning strategy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
-
- 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 relates to a laser forming method of a Cr3C2-NiCr composite material component. Selected raw material powder comprises, by weight percent, 3.28% to 4.80% of graphite, 30.25% to 38.53% of Cr, 1.56% to 3.85% of Mo, 0.38% to 0.71% of rare earth oxide and the balance Ni. The laser forming powder is conveyed quantitatively through a multi-hopper conveying system, four powder feeding devices of the multi-hopper conveying system are all connected with one common laser head through powder feeding pipes; a four-pipe coaxial laser head is adopted in laser forming, and through control over the powder conveying system and the laser head, the inner and outer gradient layered structure of the Cr3C2-NiCr component can be achieved, and the breaking toughness of the Cr3C2-NiCr component can reach more than 70% of a Ni-based alloy.
Description
Technical field
The invention belongs to laser forming field, relate to a kind of Cr
3c
2the laser forming method of-NiCr composite element.
Background technology
The carbide of Cr mainly contains M
3c
2, M
3c,M
7c
3and M
23c
6etc. type, thermodynamic stability is preferably Cr
3c
2, Cr
7c
3and Cr
23c
6, Cr
3c
2and Cr
7c
3the conventional wild phase being metal-base composites (MMC).Wherein Cr
3c
2still can keep quite high hardness under the high temperature conditions, also there is very strong corrosion resistance and wearability.
Cr
3c
2-NiCr only just starts remarkable oxidation at 1000 ° of more than C in atmosphere, and its typical apply product mainly contains coal-burning boiler boiler tube, metallurgical lehr roller, hot forming tool, hydraulic press valve, hot roll, hydraulic turbine nozzle, turbine exhaust support, compressor crank shaft, diesel engine piston and combustion engine blade etc.
The technology of preparing of MMC, according to the difference of the feed postition of enhancing particle, can be divided into in-situ authigenic and pressure to add two kinds.Additional Cr
3c
2the Laser Processing composite of particle, can cause Cr in material
3c
2decompose, and regenerate Cr
7c
3in carbide, become Cr
3c
2one of difficult point of composite Laser Processing.In-situ authigenic technology is by alloy designs, reaction in-situ nucleation in parent metal, generate one or more thermodynamically stable wild phases, The method avoids the decomposition of additional reinforcement, economize energy, resource can emissions reduction, the reinforcement surface no-pollution of material, product properties is excellent.But its technical process requires strictly, more difficult grasp and the composition of wild phase and volume fraction wayward.
The method of laser forming technology utilization small size accumulation forming, can being uniformly distributed at macro-control wild phase, for powder-feeding laser shaped in situ particle reinforce MMC provides possibility.Metal powder differs comparatively large with the bulk density of graphite powder, in laser forming process, easily cause layering because powder density difference is comparatively large, cause the skewness of wild phase, and can change the design mix of wild phase, significantly reduce Cr in molded component
3c
2the performance of-NiCr composite material component.Therefore the present invention adopts the method that on-line continuous powder-feeding laser In-situ reaction is shaped, preparation Cr
3c
2-NiCr composite material component, the wild phase distribution realizing molded component is controlled continuously.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of wild phase and distributes controlled Cr
3c
2the laser forming method of-NiCr composite element.The inventive method is set about from fabricated in situ route and laser forming technique, wild phase can be made to be uniformly distributed in the composite, realize the Cr of function admirable
3c
2the laser forming of-NiCr composite material component.
The inventive method mainly comprises the following steps:
Composition of raw materials and pretreatment
Composition of raw materials is: graphite 3.28 ~ 4.80wt.%, Cr30.25 ~ 38.53wt.%, Mo1.56 ~ 3.85%, rare earth oxide 0.38 ~ 0.71wt.%, Ni surplus; Raw material adopts powder, the particle size of W metal, Cr, Mo powder and graphite powder at 50 ~ 200 microns, by Metal Cr powder and RE oxide powder ball milling 0.5 ~ 5 hour;
Powder feeding and batch mixing
Many hoppers spiral powder feeding hybrid system is adopted to carry out powder feeding and mixing in time, described many hoppers spiral powder feeding hybrid system is connected to form respectively by powder feeding pipe and a common laser head by four powder feeders, the mixed-powder of Cr and rare earth oxide is put into the 1st hopper, Ni powder is placed in the 2nd hopper, Mo powder is placed in the 3rd hopper, graphite powder is placed in the 4th hopper, 4 powder feeder powder feedings simultaneously, and is controlled the ratio of powder by adjustment screw speed;
Laser forming
The laser head of laser forming adopts the coaxial discontinuous nozzle of 4 pipe, realizes encircling powder jetting to laser molten pool, makes each uniform composition distribution of laser molten pool; Utilize delamination software to cut into slices the digital graphic data of design part, and set up the best laser beam scan path of layering and interlayer connection cooperation thereof, arranging every layer thickness is 0.05 ~ 0.4mm, then carries out laser forming at four number of axle word machining tool higher slices; In forming process, control powder feeding composition by adjusting screw(rod) degree of turning, the enhancing that local is generated is coordinated gradient distribution, and namely component skin is wear-resisting Cr
3c
2-NiCr composite, inside is metal matrix material, and the raw material of final utilization meets the proportion requirement in step (1).
In the inventive method step (3), adopt optical fiber/CO
2laser instrument, power output 100 ~ 3000W, spot diameter 0.2 ~ 4mm, overlapping rate 10 ~ 80%, laser head Ar throughput 0.2 ~ 13L/min, powder feeder Ar throughput 0.2 ~ 12L/min, laser head sweep speed 3 ~ 125mm/s.
The present invention's many hoppers spiral powder feeding hybrid system used is connected to form respectively by powder feeding pipe and a common laser head by four powder feeders.As shown in Figure 1.Described powder feeder is made up of hopper, screw rod and Fluidizer, and described screw rod is promoted by DC stepper motor.
The present invention with the instant powder feeding of many hoppers spiral powder feeding mixing system, and utilizes coaxial discontinuous laser nozzle to be shaped Cr
3c
2-NiCr composite material component, achieves the distributed controll of wild phase, eliminates Cr in composite
3c
2the situation of uneven distribution, realizes Cr
3c
2the laser forming of the composite element that content is adjustable.
Parts top layer and internal layer are formed separately by the inventive method, control powder feeding composition and laser scanning route, realize the laser manufacture of the composite material component of inside and outside hierarchy, components interior is made to have the toughness of metal material, top layer has function that is wear-resisting, resistance to high temperature oxidation, and the overall fracture toughness of parts is more than 70% of similar metal parts.
Accompanying drawing explanation
Fig. 1 many hoppers spiral powder feeding hybrid system structural representation.
Detailed description of the invention
The present invention is described further in conjunction with the embodiments.
Embodiment one, a kind of Cr
3c
2-NiCr composite high temperature roll laser manufacturing process, comprises following flow process:
(1) composition of raw materials and pretreatment
Composition of raw materials is: graphite 3.31wt.%, Cr30.25wt.%, Mo3.85%, rare earth oxide 0.38wt.%, Ni surplus.Raw material adopts powder, W metal, Cr, Mo powder and graphite powder particle size 50 ~ 200 microns; Cr powder and rare earth oxide ball milling are mixed 1 hour.
(2) powder feeding and batch mixing
Adopt many hoppers spiral powder feeding hybrid system to carry out powder feeding and instant mixing, the mixed-powder of Cr and rare earth oxide is put into the 1st hopper, and Ni powder is placed in the 2nd hopper, and Mo powder is placed in the 3rd hopper, and graphite powder is placed in the 4th hopper; 4 powder feeder powder feedings simultaneously, and adjust Cr by screw speed
3c
2content in powder product.
(3) laser forming
The laser head of laser forming adopts the coaxial discontinuous nozzle of 4 pipe, realizes encircling powder jetting to laser molten pool, makes each uniform composition distribution of laser molten pool.Utilize delamination software to cut into slices the digital graphic data of design part, and set up the best laser beam scan path of layering and interlayer connection cooperation thereof, arranging every layer thickness is 0.3mm, then carries out laser forming at four number of axle word machining tool higher slices; Control powder feeding composition and laser scanning route, carry out the laser forming of hierarchy inside and outside composite component, namely structural member skin is wear-resisting Cr
3c
2-NiCr composite, inside is NiCr alloy material; This makes components interior have the toughness of metal material, and top layer has function that is wear-resisting, resistance to high temperature oxidation.Laser Processing uses optical fiber laser, its power output 650W, spot diameter 0.4mm, overlapping rate 50%, laser nozzle Ar throughput 6.8L/min, powder feeder Ar throughput 5.5L/min, laser head sweep speed 38mm/s.
Molded component inside has the toughness of metal material, and top layer has function that is wear-resisting, resistance to high temperature oxidation, and the overall fracture toughness of parts is more than 70% of similar metal parts.
Embodiment two
The sliding roller laser forming method of a kind of Cr3C2-NiCr composite heating furnace, comprises following flow process:
(1) composition of raw materials and pretreatment
Graphite 4.80wt.%, Cr38.53wt.%, Mo1.56%, rare earth oxide 0.41wt.%, Ni surplus.Raw material adopts powder, the particle size of W metal, Cr, Mo powder 60 microns; Cr powder and rare earth oxide ball milling are mixed 1.5 hours.
(2) powder feeding and batch mixing
Adopt many hoppers spiral powder feeding hybrid system to carry out powder feeding and instant mixing, the mixed-powder of Cr and rare earth oxide is put into the 1st hopper, and Ni powder is placed in the 2nd hopper, and Mo powder is placed in the 3rd hopper, and graphite powder is placed in the 4th hopper; 4 powder feeder powder feedings simultaneously, and adjust Cr by screw speed
3c
2at the content of Local Members.
(3) laser forming
The laser head of laser forming adopts the coaxial discontinuous nozzle of 4 pipe, realizes encircling powder jetting to laser molten pool, makes each uniform composition distribution of laser molten pool.Utilize delamination software to cut into slices the digital graphic data of design part, and set up the best laser beam scan path of layering and interlayer connection cooperation thereof, arranging every layer thickness is 0.27mm, then carries out laser forming at four number of axle word machining tool higher slices; Control powder feeding composition and laser scanning route, carry out the laser forming of hierarchy inside and outside composite component, namely structural member skin is wear-resisting Cr
3c
2-metallic composite, inside is metal matrix material; This makes components interior have the toughness of metal material, and top layer has function that is wear-resisting, resistance to high temperature oxidation.Laser Processing uses optical fiber laser, its power output 400W, spot diameter 0.35mm, overlapping rate 60%, laser head Ar throughput 4L/min, powder feeder Ar throughput 7L/min, laser head sweep speed 25mm/s.
Molded component inside has the toughness of metal material, and top layer has function that is wear-resisting, resistance to high temperature oxidation, and the overall fracture toughness of parts is more than 70% of similar metal parts.
Embodiment three
A kind of Cr
3c
2-NiCr composite high temperature axle sleeve laser forming method, comprises following flow process:
(1) composition of raw materials and pretreatment
Composition of raw materials is: graphite 3.28wt.%, Cr38.39wt.%, Mo3.70%, rare earth oxide 0.71wt.%, Ni surplus.Raw material adopts powder, the particle size of W metal, Cr, Mo powder 60 microns; Cr powder and rare earth oxide ball milling are mixed 2 hours.
(2) powder feeding and batch mixing
Adopt many hoppers spiral powder feeding hybrid system to carry out powder feeding and instant mixing, the mixed-powder of Cr and rare earth oxide is put into the 1st hopper, and Ni powder is placed in the 2nd hopper, and Mo powder is placed in the 3rd hopper, and graphite powder is placed in the 4th hopper; 4 powder feeder powder feedings simultaneously, and adjust Cr by screw speed
3c
2the content of component is generated in local.
(3) laser forming
The nozzle of laser forming adopts the coaxial discontinuous nozzle of 4 pipe, realizes encircling powder jetting to laser molten pool, makes each uniform composition distribution of laser molten pool.Utilize delamination software to cut into slices the digital graphic data of design part, and set up the best laser beam scan path of layering and interlayer connection cooperation thereof, arranging every layer thickness is 0.16mm, then carries out laser forming at four number of axle word machining tool higher slices; Control powder feeding composition and laser scanning route, carry out the laser forming of hierarchy inside and outside composite component, namely structural member skin is wear-resisting Cr
3c
2-metallic composite, inside is metal matrix material; This makes components interior have the toughness of metal material, and top layer has function that is wear-resisting, resistance to high temperature oxidation.Laser Processing uses CO
2laser instrument, its power output 1000W, spot diameter 0.3mm, overlapping rate 70%, laser head Ar throughput 7.6L/min, powder feeder Ar throughput 9.7L/min, laser head sweep speed 5mm/s.
Claims (3)
1. a Cr
3c
2the laser forming method of-NiCr composite element, is characterized in that comprising the steps:
(1) composition of raw materials and pretreatment
Composition of raw materials is: graphite 3.28 ~ 4.80wt.%, Cr30.25 ~ 38.53wt.%, Mo1.56 ~ 3.85%, rare earth oxide 0.38 ~ 0.71wt.%, Ni surplus; Raw material adopts powder, the particle size of W metal, Cr, Mo powder and graphite powder at 50 ~ 200 microns, by Metal Cr powder and RE oxide powder ball milling 0.5 ~ 5 hour;
(2) powder feeding and batch mixing
Many hoppers spiral powder feeding hybrid system is adopted to carry out powder feeding and mixing in time, described many hoppers spiral powder feeding hybrid system is connected to form respectively by powder feeding pipe and a common laser head by four powder feeders, the mixed-powder of Cr and rare earth oxide is put into the 1st hopper, Ni powder is placed in the 2nd hopper, Mo powder is placed in the 3rd hopper, graphite powder is placed in the 4th hopper, 4 powder feeder powder feedings simultaneously, and is controlled the ratio of powder by adjustment screw speed;
(3) laser forming
The laser head of laser forming adopts the coaxial discontinuous nozzle of 4 pipe, realizes encircling powder jetting to laser molten pool, makes each uniform composition distribution of laser molten pool; Utilize delamination software to cut into slices the digital graphic data of design part, and set up the best laser beam scan path of layering and interlayer connection cooperation thereof, arranging every layer thickness is 0.05 ~ 0.4mm, then carries out laser forming at four number of axle word machining tool higher slices; In forming process, control powder feeding composition by adjusting screw(rod) degree of turning, the enhancing that local is generated is coordinated gradient distribution, and namely component skin is wear-resisting Cr
3c
2-NiCr composite, inside is metal matrix material, and the raw material of final utilization meets the proportion requirement in step (1).
2. laser forming method according to claim 1, is characterized in that, in step (3), adopts optical fiber/CO
2laser instrument, power output 100 ~ 3000W, spot diameter 0.2 ~ 4mm, overlapping rate 10 ~ 80%, laser head Ar throughput 0.2 ~ 13L/min, powder feeder Ar throughput 0.2 ~ 12L/min, laser head sweep speed 3 ~ 125mm/s.
3. laser forming method according to claim 1, is characterized in that, described powder feeder is made up of hopper, screw rod and Fluidizer, and described screw rod is promoted by DC stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895924.7A CN105458259A (en) | 2015-12-08 | 2015-12-08 | Laser forming method of Cr3C2-NiCr composite material component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895924.7A CN105458259A (en) | 2015-12-08 | 2015-12-08 | Laser forming method of Cr3C2-NiCr composite material component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105458259A true CN105458259A (en) | 2016-04-06 |
Family
ID=55596663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510895924.7A Pending CN105458259A (en) | 2015-12-08 | 2015-12-08 | Laser forming method of Cr3C2-NiCr composite material component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105458259A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827520A (en) * | 2017-01-20 | 2017-06-13 | 深圳市安思科电子科技有限公司 | A kind of intelligent 3D printer using the mixing of multinomial raw material |
| CN106891003A (en) * | 2017-02-17 | 2017-06-27 | 泉州泉港璟冠信息科技有限公司 | A kind of accurate and well mixed intelligent 3D printer of dispensing |
| CN110629100A (en) * | 2019-10-29 | 2019-12-31 | 中南大学 | Preparation method of oxide dispersion strengthened nickel-based high-temperature alloy |
| CN110756802A (en) * | 2019-10-24 | 2020-02-07 | 中国科学院力学研究所 | Multi-component 3D printing powder feeding system |
| CN111036899A (en) * | 2019-11-20 | 2020-04-21 | 中国船舶重工集团公司第十二研究所 | Forming method of particle reinforced aluminum matrix composite material part |
| CN111378858A (en) * | 2020-04-20 | 2020-07-07 | 西安石油大学 | Mo-modified chromium carbide-nickel-chromium composite material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5453329A (en) * | 1992-06-08 | 1995-09-26 | Quantum Laser Corporation | Method for laser cladding thermally insulated abrasive particles to a substrate, and clad substrate formed thereby |
| CN101818342A (en) * | 2009-12-15 | 2010-09-01 | 江苏大学 | Method and device for preparing working layer of metallurgical hot roll by laser direct deposition |
| CN103691949A (en) * | 2014-01-09 | 2014-04-02 | 湖北工业大学 | Laser forming method of WC (Wolfram Carbide)-metal composite material structural component |
| CN103993308A (en) * | 2014-04-10 | 2014-08-20 | 江苏新亚特钢锻造有限公司 | Method for re-manufacturing roller shaft part through laser cladding |
| CN104260360A (en) * | 2014-07-28 | 2015-01-07 | 中国科学院重庆绿色智能技术研究院 | Multi-material laser direct writing conformal system and method |
-
2015
- 2015-12-08 CN CN201510895924.7A patent/CN105458259A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5453329A (en) * | 1992-06-08 | 1995-09-26 | Quantum Laser Corporation | Method for laser cladding thermally insulated abrasive particles to a substrate, and clad substrate formed thereby |
| CN101818342A (en) * | 2009-12-15 | 2010-09-01 | 江苏大学 | Method and device for preparing working layer of metallurgical hot roll by laser direct deposition |
| CN103691949A (en) * | 2014-01-09 | 2014-04-02 | 湖北工业大学 | Laser forming method of WC (Wolfram Carbide)-metal composite material structural component |
| CN103993308A (en) * | 2014-04-10 | 2014-08-20 | 江苏新亚特钢锻造有限公司 | Method for re-manufacturing roller shaft part through laser cladding |
| CN104260360A (en) * | 2014-07-28 | 2015-01-07 | 中国科学院重庆绿色智能技术研究院 | Multi-material laser direct writing conformal system and method |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827520A (en) * | 2017-01-20 | 2017-06-13 | 深圳市安思科电子科技有限公司 | A kind of intelligent 3D printer using the mixing of multinomial raw material |
| CN106827520B (en) * | 2017-01-20 | 2019-01-29 | 陕西恒通智能机器有限公司 | A kind of intelligent 3D printer mixed using multinomial raw material |
| CN106891003A (en) * | 2017-02-17 | 2017-06-27 | 泉州泉港璟冠信息科技有限公司 | A kind of accurate and well mixed intelligent 3D printer of dispensing |
| CN106891003B (en) * | 2017-02-17 | 2019-02-19 | 陕西恒通智能机器有限公司 | A kind of accurate and uniformly mixed intelligent 3D printer of ingredient |
| CN110756802A (en) * | 2019-10-24 | 2020-02-07 | 中国科学院力学研究所 | Multi-component 3D printing powder feeding system |
| CN110756802B (en) * | 2019-10-24 | 2020-08-18 | 中国科学院力学研究所 | Multi-component 3D printing powder feeding system |
| CN110629100A (en) * | 2019-10-29 | 2019-12-31 | 中南大学 | Preparation method of oxide dispersion strengthened nickel-based high-temperature alloy |
| CN110629100B (en) * | 2019-10-29 | 2021-05-04 | 中南大学 | Preparation method of oxide dispersion strengthened nickel-based high-temperature alloy |
| CN111036899A (en) * | 2019-11-20 | 2020-04-21 | 中国船舶重工集团公司第十二研究所 | Forming method of particle reinforced aluminum matrix composite material part |
| CN111378858A (en) * | 2020-04-20 | 2020-07-07 | 西安石油大学 | Mo-modified chromium carbide-nickel-chromium composite material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105458259A (en) | Laser forming method of Cr3C2-NiCr composite material component | |
| CN103691949B (en) | A kind of laser forming method of WC-metallic composite structural member | |
| CN105344994A (en) | Laser forming method of TiC-Ti composite component | |
| CN101845579B (en) | Inhomogeneous hard alloy and preparation method thereof | |
| CN105583401A (en) | Method for preparing composite powder for 3D printing, product and application | |
| CN107971490A (en) | A kind of increasing material preparation method of surface high-entropy alloy gradient metallurgy layer | |
| CN107794430B (en) | A kind of ultra-fine crystal particle cermet and preparation method thereof | |
| Konstantinov et al. | Ti-B-based composite materials: Properties, basic fabrication methods, and fields of application | |
| CN102628138A (en) | Trace cobalt-containing tungsten carbide without bonding phase and preparation method thereof | |
| CN104762584A (en) | Method for reactive spraying preparation of ceramic solid solution-based ceramic-metal eutectic nanometer composite coating | |
| CN105478762A (en) | Laser forming method of Cr3C2-FeCr composite component | |
| CN107164679B (en) | A kind of Ultra-fine Grained high performance Ti (C, N)-TiB2- WC composite cermets cutter and preparation method | |
| CN110303163B (en) | High-strength and high-crack-resistance composite powder for laser additive repair and preparation method thereof | |
| Jose et al. | Cermet systems: synthesis, properties, and applications | |
| CN105618956A (en) | Production method for welding rod special for nuclear power 20 control chromium steel | |
| CN104658917B (en) | A kind of preparation method of the metal-based compound electronics packaging part containing high-volume fractional SiC | |
| CN109811338B (en) | Method for manufacturing thermal barrier coating material by laser additive | |
| CN105328190A (en) | Laser forming method for TiC-FeCr-Gr composite material component | |
| CN107584121A (en) | A kind of laser 3D printing method and device using multiple element powder compacting alloy | |
| CN103060586B (en) | Preparation method for complex-shape niobium-based ODS (oxide dispersion strengthening) alloy | |
| CN107641725A (en) | A kind of ferrosilite based ceramic metal and preparation method thereof | |
| CN105478759A (en) | Laser forming method of Cr3C2-Cu composite component | |
| CN107287461B (en) | A kind of Ultra-fine Grained high performance Ti (C, N)-TiB2- WC-TaC composite cermets cutter and preparation method | |
| CN105986139B (en) | A kind of titanium carbide ceramic and preparation method thereof | |
| CN105478763A (en) | Laser forming method of TiC-Al-Gr composite material component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160406 |
|
| RJ01 | Rejection of invention patent application after publication |