CN106216697A - The preparation method of 3D printing alloy powder - Google Patents
The preparation method of 3D printing alloy powder Download PDFInfo
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- CN106216697A CN106216697A CN201610863060.5A CN201610863060A CN106216697A CN 106216697 A CN106216697 A CN 106216697A CN 201610863060 A CN201610863060 A CN 201610863060A CN 106216697 A CN106216697 A CN 106216697A
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- 239000000843 powder Substances 0.000 title claims abstract description 49
- 238000010146 3D printing Methods 0.000 title claims abstract description 31
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 28
- 239000000956 alloy Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052802 copper Inorganic materials 0.000 claims abstract description 25
- 239000010949 copper Substances 0.000 claims abstract description 25
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002002 slurry Substances 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000000889 atomisation Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000003979 granulating agent Substances 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 abstract description 13
- 238000005275 alloying Methods 0.000 abstract description 2
- 238000005204 segregation Methods 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000009826 distribution Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007493 shaping process 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/026—Spray drying of solutions or suspensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/045—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling
- B22F2009/046—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling by cutting
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Nanotechnology (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention relates to the preparation method of 3D printing alloy powder, it includes being placed in heating furnace shot copper, and shot copper adds nickel shot and stannum grain after dissolving and carries out melting, until molten clear after drag for clean scum silica frost, obtain aluminium alloy；Aluminium alloy is poured in mould, is immediately placed in cold water together with mould and is cooled to room temperature, obtain alloy pig；Then pulverize after alloy pig being lathed fines, obtain alloyed powder；By alloyed powder and liquid mixing, and add organic bond and stir, be configured to metal powder slurry；Again slurry is made spherical 3D printing metal dust by sponging granulator.Aluminium alloy is thrown away by the present invention by the red copper wheel rotated; aluminium alloy can be made quickly to cool down; ensure that metal is shorter in the hot stage time of staying; alloying element has little time diffusion; thus thinning microstructure; reduce segregation, then can be prepared by sponging granulator that particle diameter is little, the 3D printing metal dust of uniform particle sizes.
Description
Technical field
The present invention relates to 3D printing metal dust, the specifically preparation method of 3D printing alloy powder.
Background technology
" 3D printing " technology, also referred to as increases material manufacturing technology, belongs to the one of rapid shaping technique.It is a kind of with number
Based on word model file, the discrete and numerical control molding system by software hierarchy, utilize the mode such as laser beam, hot melt nozzle by powder
Powder metal or plastics etc. can successively be piled up and cohere superposition molding by jointing material, finally produce the technology of entity products.
The central principle that 3D prints is " Layered manufacturing, successively superposition ", and compared with the manufacturing technology of tradition " subtracting material manufacture ", 3D prints
Technology by machinery, material, computer, communicate, the technological incorporation such as control technology and biomedicine through, have realize integrally manufactured
Complex-shaped workpieces, it is greatly shortened life cycle of the product, saves lot of materials, improve the clear superiority such as production efficiency.Concrete next
Saying: first, the application of 3D printing technique will constantly expand；Secondly, 3D printing technique is in the application of each application
Aspect deepens continuously；Furthermore, the materialization form of 3D printing technique self will be abundanter.Thus, this technology is inevitable soon
Rapid osmotic is to national defence, Aero-Space, electric power, automobile, biomedical mould, casting, electric power, agricultural, household electrical appliances, technique in the future
The numerous areas such as the fine arts, animation, profound influence the design concept in above-mentioned field, and coordinates that other technologies are perfect, even updates
Some quotidian fabrication scheme, makes manufacture the most intelligent, simple and direct, green, and properties of product more press close to perfect condition.Now
3D printing technique has become one of emerging technology of paying close attention to most in the whole world.This novel mode of production and other digital production moulds
Formula will promote the realization of the third time industrial revolution together.The wherein big bottleneck that restriction 3D printing technique develops rapidly is to print material
Material, particularly metallic print material.Research and development and the metal material that production performance is more preferable and versatility is higher are to carry 3D printing technique
Key.Directly use 3D printing technique manufacture view at high-performance metal component, need that particle diameter is thin, uniform particle sizes, high spherical
Degree, all kinds of metal dusts of low oxygen content.
Summary of the invention
For above-mentioned technical problem, the present invention provide one to prepare particle diameter is less, the more uniform 3D of particle diameter prints and uses
The preparation method of alloy powder.
The technical solution used in the present invention is: the preparation method of 3D printing alloy powder, and it comprises the following steps:
(1) being placed in heating furnace by shot copper, shot copper adds nickel shot and stannum grain after dissolving and carries out melting, until molten clear after drag for clean scum silica frost,
Obtain aluminium alloy；
(2) aluminium alloy is poured in mould, is subsequently placed in cold water and is cooled to room temperature, obtain alloy pig；
(3) pulverize after alloy pig being lathed fines, obtain alloyed powder；
(4) by alloyed powder and liquid mixing, and add organic bond and stir, be configured to metal powder slurry；
(5) again slurry is made spherical 3D printing metal dust by sponging granulator.
As preferably, in described stannum grain, shot copper and nickel shot, the content of nickel is 10wt%, and the content of stannum is 12 wt %, remaining
Amount is copper.
As preferably, described liquid uses distilled water or deionized water, and the mass ratio of alloyed powder and liquid is (2.5
3): 1.
As preferably, described organic bond uses metal granulating agent, and its addition is the 2 4% of alloyed powder quality.
As preferably, described sponging granulator uses centrifugal spraying granulator or press atomization comminutor.
As preferably, the rotating speed of described centrifugal spraying granulator is 5,000 8000 revs/min, the pressure of press atomization comminutor
Power is 15 25kg/ cm 2。
As preferably, the inlet temperature of described sponging granulator dry air is 250 350 DEG C, outlet temperature is 100
150℃；The flow of dry air is 100 200 Nm3 /h；Charging rate is 10 20 kg/h.
As can be known from the above technical solutions, aluminium alloy is thrown away by the present invention by the red copper wheel rotated, and aluminium alloy can be made quick
Cooling, it is ensured that metal is shorter in the hot stage time of staying, alloying element has little time to spread, thus thinning microstructure, reduce segregation,
Can be prepared that particle diameter is little, the 3D printing metal dust of uniform particle sizes again by sponging granulator.
Detailed description of the invention
The present invention is described more detail below, and illustrative examples and explanation in this present invention are used for explaining the present invention,
But it is not as a limitation of the invention.
The preparation method of 3D printing alloy powder, it comprises the following steps:
With nickel, copper, stannum grain as raw material, and by the content of nickel be 10wt%, the content of stannum be 12 wt %, surplus be that copper is joined
Material；Then being placed in heating furnace by shot copper, shot copper adds nickel shot and stannum grain after dissolving and carries out melting, until molten clear after drag for clean scum silica frost,
Obtain aluminium alloy；Aluminium alloy is poured in mould, is immediately placed in cold water together with mould and is cooled to room temperature, obtain alloy pig；
Then pulverize after alloy pig being lathed fines, obtain alloyed powder；Then by alloyed powder and liquid mixing, and metal is added
Granulating agent stirs, and is configured to metal powder slurry；Again by slurry by centrifugal spraying granulator or press atomization pelletize mechanism
Standby spherical, that particle diameter is less, the 3D printing metal dust of even particle size distribution.
Embodiment 1
By the content of nickel be 10wt%, the content of stannum be 1 wt %, surplus be that copper carries out dispensing, shot copper is placed in heating furnace, copper
Grain adds nickel shot and stannum grain after dissolving and carries out melting, until molten clear after drag for clean scum silica frost, obtain aluminium alloy；Aluminium alloy is poured into mould
In, it is immediately placed in cold water together with mould and is cooled to room temperature, obtain alloy pig；Then powder is carried out after alloy pig being lathed fines
Broken, obtain alloyed powder；Then alloyed powder is mixed with distilled water, and the mass ratio of alloyed powder and distilled water is 2.5:1, and add
2% metal granulating agent of alloyed powder quality stirs, and is configured to metal powder slurry；Again slurry is passed through centrifugal spraying granulator
Carry out pelletize, wherein the inlet temperature of sponging granulator dry air be 250 DEG C, outlet temperature be 100 DEG C, the stream of dry air
Amount is 100 Nm3 / h, charging rate are 10kg/h, and the rotating speed of centrifugal spraying granulator is 5,000 8000 revs/min, thus obtains
Obtain spherical 3D printing metal dust；The particle size distribution range of this metal dust is 54 72nm, and hardness is up to 38.3HRC.
Embodiment 2
By the content of nickel be 10wt%, the content of stannum be 1.5 wt %, surplus be that copper carries out dispensing, shot copper is placed in heating furnace,
Shot copper adds nickel shot and stannum grain after dissolving and carries out melting, until molten clear after drag for clean scum silica frost, obtain aluminium alloy；Aluminium alloy is poured into mould
In tool, it is immediately placed in cold water together with mould and is cooled to room temperature, obtain alloy pig；Then carry out after alloy pig being lathed fines
Pulverize, obtain alloyed powder；Then alloyed powder is mixed with deionized water, and the mass ratio of alloyed powder and deionized water is 2.8:1,
And the 3% metal granulating agent adding alloyed powder quality stirs, it is configured to metal powder slurry；Again slurry is passed through press atomization
Comminutor carries out pelletize, and wherein the inlet temperature of sponging granulator dry air is 300 DEG C, outlet temperature is 130 DEG C, is dried sky
The flow of gas is 150 Nm3 / h, charging rate are 15 kg/h, and the pressure of press atomization comminutor is 25kg/ cm 2, thus
Obtain spherical 3D printing metal dust；The particle size distribution range of this metal dust is 46 70nm, hardness up to
46.4HRC。
Embodiment 3
By the content of nickel be 10wt%, the content of stannum be 2 wt %, surplus be that copper carries out dispensing, shot copper is placed in heating furnace, copper
Grain adds nickel shot and stannum grain after dissolving and carries out melting, until molten clear after drag for clean scum silica frost, obtain aluminium alloy；Aluminium alloy is poured into mould
In, it is immediately placed in cold water together with mould and is cooled to room temperature, obtain alloy pig；Then powder is carried out after alloy pig being lathed fines
Broken, obtain alloyed powder；Then alloyed powder is mixed with deionized water, and the mass ratio of alloyed powder and deionized water is 3:1, and add
The 4% metal granulating agent entering alloyed powder quality stirs, and is configured to metal powder slurry；Again by slurry by press atomization pelletize
Machine carries out pelletize, wherein the inlet temperature of sponging granulator dry air be 350 DEG C, outlet temperature be 150 DEG C, dry air
Flow is 200 Nm3 / h, charging rate are 20 kg/h, and the pressure of press atomization comminutor is 15kg/ cm 2, thus obtain
Spherical 3D printing metal dust；The particle size distribution range of this metal dust is 52 70nm, and hardness is up to 38.3HRC.
The technical scheme provided the embodiment of the present invention above is described in detail, specific case used herein
Principle and embodiment to the embodiment of the present invention are set forth, and the explanation of above example is only applicable to help to understand this
The principle of inventive embodiments；Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party
All will change in formula and range of application, in sum, this specification content should not be construed as limitation of the present invention.
Claims (7)
- The preparation method of 1.3D printing alloy powder, it comprises the following steps:(1) being placed in heating furnace by shot copper, shot copper adds nickel shot and stannum grain after dissolving and carries out melting, until molten clear after drag for clean scum silica frost, Obtain aluminium alloy；(2), during just aluminium alloy is poured into mould, it is subsequently placed in cold water and is cooled to room temperature, obtain alloy pig；(3) pulverize after alloy pig being lathed fines, obtain alloyed powder；(4) by alloyed powder and liquid mixing, and add organic bond and stir, be configured to metal powder slurry；(5) again slurry is made spherical 3D printing metal dust by sponging granulator.
- The preparation method of 3D printing alloy powder the most according to claim 1, it is characterised in that: described stannum grain, shot copper and In nickel shot, the content of nickel is 10wt%, and the content of stannum is 12 wt %, and surplus is copper.
- 3. the preparation method of 3D printing alloy powder as claimed in claim 1, it is characterised in that: described liquid uses distilled water Or deionized water, and the mass ratio of alloyed powder and liquid is (2.5 3): 1.
- 4. the preparation method of 3D printing alloy powder as claimed in claim 1, it is characterised in that: described organic bond uses Metal granulating agent, its addition is the 2 4% of alloyed powder quality.
- 5. the preparation method of 3D printing alloy powder as claimed in claim 1, it is characterised in that: described sponging granulator uses Centrifugal spraying granulator or press atomization comminutor.
- 6. the preparation method of 3D printing alloy powder as claimed in claim 5, it is characterised in that: described centrifugal spraying granulator Rotating speed be 5,000 8000 revs/min, the pressure of press atomization comminutor is 15 25kg/ cm 2。
- 7. the preparation method of 3D printing alloy powder as claimed in claim 5, it is characterised in that: described sponging granulator is dried The inlet temperature of air is 250 350 DEG C, outlet temperature is 100 150 DEG C；The flow of dry air is 100 200 Nm3 /h；Charging rate is 10 20 kg/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610863060.5A CN106216697A (en) | 2016-09-29 | 2016-09-29 | The preparation method of 3D printing alloy powder |
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| CN201610863060.5A CN106216697A (en) | 2016-09-29 | 2016-09-29 | The preparation method of 3D printing alloy powder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109338152A (en) * | 2018-12-24 | 2019-02-15 | 南通金源智能技术有限公司 | 3D printing copper alloy powder and its atomization production |
| CN109943749A (en) * | 2017-12-20 | 2019-06-28 | 东莞市精研粉体科技有限公司 | A copper alloy spherical powder material applied to the first mold of jewelry 3D printing |
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| CN109943749A (en) * | 2017-12-20 | 2019-06-28 | 东莞市精研粉体科技有限公司 | A copper alloy spherical powder material applied to the first mold of jewelry 3D printing |
| CN109338152A (en) * | 2018-12-24 | 2019-02-15 | 南通金源智能技术有限公司 | 3D printing copper alloy powder and its atomization production |
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Application publication date: 20161214 |