CN106216703B - A kind of preparation method of the spherical Al alloy powder of 3D printing - Google Patents
A kind of preparation method of the spherical Al alloy powder of 3D printing Download PDFInfo
- Publication number
- CN106216703B CN106216703B CN201610852958.2A CN201610852958A CN106216703B CN 106216703 B CN106216703 B CN 106216703B CN 201610852958 A CN201610852958 A CN 201610852958A CN 106216703 B CN106216703 B CN 106216703B
- Authority
- CN
- China
- Prior art keywords
- bar
- powder
- alloy powder
- spherical
- alloy
- 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.)
- Active
Links
- 239000000843 powder Substances 0.000 title claims abstract description 59
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 48
- 238000010146 3D printing Methods 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 8
- 229910052786 argon Inorganic materials 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 238000009527 percussion Methods 0.000 claims abstract description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 12
- 230000006698 induction Effects 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 125000003396 thiol group Chemical class [H]S* 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000033228 biological regulation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 150000002739 metals Chemical group 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 229910018134 Al-Mg Inorganic materials 0.000 description 1
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018137 Al-Zn Inorganic materials 0.000 description 1
- 229910018182 Al—Cu Inorganic materials 0.000 description 1
- 229910018467 Al—Mg Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- 229910018573 Al—Zn Inorganic materials 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000011825 aerospace material Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000009466 transformation Effects 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
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- 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
- 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
-
- 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
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0848—Melting process before atomisation
-
- 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
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/088—Fluid nozzles, e.g. angle, distance
-
- 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
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0888—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid casting construction of the melt process, apparatus, intermediate reservoir, e.g. tundish, devices for temperature control
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
A kind of 3D printing preparation method of spherical Al alloy powder, belongs to 3D printing technique field.Including aluminium alloy is processed into bar, diameter is 35~70mm；Bar is mounted on feed device, vacuumize process is carried out and is filled with argon gas protective gas；Heat bar, tip melting temperature metal be more than after 5~30 DEG C of aluminium alloy fusing point opening blower be atomized；Metal liquid stream forms spherical Al alloy powder under the percussion of high-speed gas.The advantage is that the Al alloy powder granularity prepared is tiny, uniform, good fluidity, oxygen content are low, effectively save manufacturing cost.
Description
Technical field
The invention belongs to 3D printing technique field, in particular to the preparation side of the spherical Al alloy powder of a kind of 3D printing
Method.More particularly to a kind of 3D printing preparation method of high pure spherical Al alloy powder.
Background technique
3D printing referred to as causes the intelligent Manufacturing Technology of the third technical revolution, revolutionizes conventional metals part,
The especially cooked mode of the metal parts such as high-performance, difficult processing, configuration complexity, has in aerospace, automobile manufacturing field
Wide application.Metal 3D printing technique is forefront and most potential technology in entire 3D printing system, and 3D from now on
The main direction of development of printing technique.
Globular metallic powder is the raw material and consumptive material of metal 3D printing, and the huge bottle of limitation 3D printing technique development
Neck.Therefore, the research and development of 3D printing proprietary material are the most important things of 3D printing technique development.The preparation of high-performance metal powder by
To the great attention of industrially developed country.The metal-powder industry development in China lags, and product is single, and powder properties are poor, high
Function metals powder greatly constrains the development of China's aerospace industries it is still necessary to largely rely on import.
Aluminium alloy density is small, and specific strength is high, and manufacturing cost is low, is the former material of the crucial load components of aerospace
Material.Aerospace mostly uses powder metallurgy and 3D printing method to prepare with Irregular Shaped Parts, and tissue and performance are uniform, near net
It shapes and machining allowance is small.Along with the rapid development of China's aeronautical and space technology, as powder metallurgy and 3D printing technique
The development of raw material, high performance spherical Al alloy powder is extremely urgent.
3D printing is more demanding to the granularity of spherical powder, mobility, purity, oxygen content, and China and 3D printing at present
It is less with the related patent of powder body material preparation process or document.A method of preparing 3D printing superfine spherical metal powder
And device, application number 201510044848.9, disclose a kind of preparation method of superfine spherical metal powder, but metal bath
Still prepared using the method for crucible for smelting.Spherical TC4 titanium alloy powder and preparation method thereof for laser 3D printing, application number
201610025205.4, a kind of method of vacuum induction gas atomization preparation spherical shape TC4 titanium alloy powder is disclosed, it is used
Material and technological parameter and this patent are entirely different.Article " nitrogen atomization Al-20Si-7.5Ni-3Cu-1Mg-0.25Fe alloy
Powder morphology and tissue " publication is in plastic engineering journal, using equipment such as laser particle size analyzers to the granularity point of alloy powder
Cloth, tissue, pattern, composition are mutually studied with phase evolution rule, do not refer to that nitrogen atomization prepares the work of alloy powder
Process.
Summary of the invention
The purpose of the present invention is to provide a kind of 3D printing preparation methods of spherical Al alloy powder, solve current gold
Belong to the problem that powder product is single, poor quality and manufacturing cost are higher.
A kind of 3D printing with the preparation method of spherical Al alloy powder be it is a kind of by the heating of electrode induction coil, by molten state
Aluminium alloy be directly atomized be made Al alloy powder without crucible for smelting method.Including processing bar, feeding, induction melting, atomization, sieve
Point etc. preparation process.
A kind of preparation method of the spherical Al alloy powder of 3D printing, step and state modulator are as follows:
1, aluminium alloy is processed into bar.The diameter of bar is 35~70mm, is processing 3 at the 10mm of bar top
The groove of~10mm wide, is easily installed on feed device；Bar end be processed into it is coniform, taper be 60~120 °.
2, clean aluminium alloy bar is mounted on continuous feeding device, the screw on adjusting clamp, guarantees bar tool
There is good verticality.Mechanical pump and lobe pump are successively opened, vacuumize process, pole are carried out to charging chamber, working chamber, spray chamber
Limiting vacuum degree is 1 × 10-4~1 × 10-2Pa, is filled with argon gas protective gas, and adjusting melting chamber pressure is 0~0.50MPa, charging
The pressure difference of room and working chamber is 0.001~0.05MPa；
3, start feed device, aluminium alloy bar is sent and is handed to working chamber, decrease speed is 1~5mm/s, and rotational velocity is
100~500r/s.The taper of electrode induction coil is 40~60 °, and caliber is 10~15mm, and tube spacing is 20~30mm, coil
Maximum distance between centers is 100~150mm, and when bar is sent to thiol, bar stops decline.Start heating power supply, adjusts
Power is to 10~30KW；Bar is heated, to tip metal molten, temperature is more than to open blower after 5~30 DEG C of aluminium alloy fusing point, is made
Fusing metal forms continuous, stable liquid stream under blower suction, and the decrease speed of feed device is adjusted to 0.005
~0.08mm/s, rotational velocity are adjusted to 100~500r/s, and heating power is adjusted to 15~40kw.
4, alloy liquid stream is atomized using Lavalle circular seam type close-coupled nozzle, center is away from for 10~40mm, outlet
Mouth convergence angle is 10~40 °, and it is 1~6MPa that nozzle, which sprays gross pressure, and gas flow is 800~2000m3/ h, metal liquid stream
Spherical Al alloy powder is formed under the percussion of high-speed gas.
5, Al alloy powder after cooling is collected to second level cyclonic separation and receives in powder device, sieves under high-purity argon gas atmosphere
Point, the powder of different-grain diameter grade carries out inert gas shielding encapsulation.
The granularity for the 3D printing high purity aluminum alloy powder for using the method for the present invention to prepare is 0~53 μm, oxygen content 500
~1300ppm, purity is high, good fluidity meet the requirement of aerospace 3D printing key components and parts
The present invention is suitable for aluminium alloy trade mark ISO 3522-2007, GB/T 1173-2013 and GB/T 3190-2008 is complete
Portion's product grade, main material are fine aluminium, Al-Si system, Al-Cu system, Al-Mg system or Al-Zn line aluminium alloy.
The present invention has the advantages that aluminium alloy bar is transferred to working chamber using continuous feeding device, pass through high frequency sense
It answers coil heats directly to melt bar, continuous flow is formed, into spray chamber.In the whole process, alloy and earthenware are avoided
Crucible contact, ensure that the degree of purity of powder, can prepare low purity is high, good sphericity, oxygen content, narrow particle size distribution, flowing
The good high pure spherical Al alloy powder for meeting 3D printing requirement of property.
Preparation method groundwork of the invention is:
1, feeding feeding and the structure optimization that is loaded.By to transmission device screw pitch, revolving speed and the position screw sizes that are loaded
Control, adjust bar to moderate and feed speed, friction feeding is realized in fusion process.
2, the design of high-frequency copper induction coil.By to induction coil caliber, tube layer spacing, center away from and cooling water flow velocity
Etc. parameters control, adjust working chamber inside thermo parameters method, continuous, stable liquid is formed in the melting end of aluminium alloy bar
Stream.
3, nozzle arrangements optimize.By to nozzle gas outlet convergence angle, center away from, the ginseng such as atomizing pressure, gas flow
Several control adjusts the power reciprocation of air-flow and metal liquid stream, to obtain with superperformance (sphericity, the uniformity
Deng) powder.
The principle of preparation method of the present invention smashes the second-rate atomization of metal liquid stream based on high-speed flow, using induction coil
Aluminium alloy bar is smelted into continuous, stable liquid stream, passes through the control to techniques such as orifice gas flow, gas outlet gross pressures
System improves the transformation efficiency between gas kinetic energy and molten drop surface energy, forms tiny powder.
The present invention has the advantages that
1, using aluminium alloy bar as raw material, realize that friction feeding, high-frequency copper induction coil carry out melting using transmission device,
Alloy melt is avoided to contact with crucible, reduce impurity element be mixed into and crucible in melt residual, improve material benefit
With rate and powder degree of purity.
2, for the Lavalle circular seam type close-coupled nozzle used for tangential admission, gas flow is 800~2000m3/ h, nozzle
Ejection gross pressure be 1~6MPa, aluminium alloy liquid stream effectively can be broken into fine particle, thus guarantee powder size be 0~
53μm。
3, small, uniform using spherical Al alloy powder fine size prepared by the present invention, good fluidity, sphericity are high, oxygen contains
Measure low, fine powder recovery rate is up to 25%.
Detailed description of the invention
Fig. 1 is the particle size distribution figure of minute spherical Al-Si-10Mg Al alloy powder prepared by the present invention.
Specific embodiment
Embodiment 1
High-purity Al-Si-10Mg alloy spherical powder preparation
1, high-purity Al-Si-10Mg alloy is processed into the bar that diameter is 45mm, is being processed at the 10mm of bar top
The groove of 5 × 5mm, tail end process the taper of degree in 90 °；
2, clean aluminium alloy bar is mounted on continuous feeding device, charging chamber, working chamber, spray chamber is taken out
It is vacuum-treated, final vacuum is 1 × 10-4Pa, is filled with argon gas protective gas, and working chamber's air pressure is 0.11MPa；
3, start feed device, the decrease speed of bar is 1mm/s, rotational velocity 100r/s, is transported to sense to bar
When answering thiol, bar stops decline, starts heating power supply, power 10kw, and the taper of electrode induction coil is 60 °, pipe
Diameter is 15mm, tube spacing 20mm, and coil maximum distance between centers is 150m, and melting room temperature is more than unlatching after 5 DEG C of aluminium alloy fusing point
Feed device decrease speed is adjusted to 0.02mm/s by blower, and heating power is adjusted to 30kw, forms continuous, stable liquid stream；
4, alloy liquid stream is atomized using Lavalle circular seam type close-coupled nozzle, away from for 40mm, gas outlet is converged at center
Poly- angle is 40 °, and it is 1~6MPa, gas flow 1500m that nozzle, which sprays gross pressure,3Liquid stream is atomized as Al alloy powder by/h
End；
5, Al alloy powder after cooling is collected and carries out screening process under high-purity argon gas atmosphere.It is finally obtained
Al-Si-10Mg alloy spherical oxygen content in power is 600ppm, and powder diameter is 0~53 μm.It can from the scanned photograph of powder
Out, using the Al-Si-10Mg alloy powder sphericity height of this method preparation, even particle size distribution, satellite powder content be low, powder
Non-binding agglomeration meets the appearance requirement of 3D printing metal powder.
Claims (3)
1. a kind of 3D printing preparation method of spherical Al alloy powder, which is characterized in that specific step and parameter is as follows:
1) aluminium alloy is processed into bar, bar diameter is 35~70mm, is processing 3~10mm at the 10mm of bar top
Wide groove, is easily installed on feed device；Bar end be processed into it is coniform, taper be 60~120 °；
2) clean aluminium alloy bar is mounted on continuous feeding device, the screw on adjusting clamp, it is good guarantees that bar has
Good verticality；Mechanical pump and lobe pump are successively opened, vacuumize process is carried out to charging chamber, working chamber, spray chamber, is filled with argon
Gas shielded gas, adjusting melting chamber pressure are 0~0.50MPa, and the pressure difference of charging chamber and working chamber is 0.001~0.05MPa；
3) start feed device, aluminium alloy bar is sent and is handed to working chamber, decrease speed is 1~5mm/s, rotational velocity 100
~500r/s；The taper of electrode induction coil is 40~60 °, and caliber is 10~15mm, and tube spacing is 20~30mm, and coil is maximum
Center is away from for 100~150mm, and when bar is sent to thiol, bar stops decline；Start heating power supply, regulation power
To 10~30KW；Bar is heated, to tip metal molten, temperature is more than to open blower after 5~30 DEG C of aluminium alloy fusing point, makes to melt
Metal forms continuous, stable liquid stream under blower suction, and the decrease speed of feed device is adjusted to 0.005~
0.08mm/s, rotational velocity are adjusted to 100~500r/s, and heating power is adjusted to 15~40kw；
4) alloy liquid stream is atomized using Lavalle circular seam type close-coupled nozzle, center is away from being 10~40mm, gas outlet remittance
Poly- angle is 10~40 °, and it is 1~6MPa that nozzle, which sprays gross pressure, and gas flow is 800~2000m3/ h, metal liquid stream is in height
Spherical Al alloy powder is formed under the percussion of fast gas；
5) Al alloy powder after cooling is collected to second level cyclonic separation and receives in powder device, sieves under high-purity argon gas atmosphere, no
Powder with partial size grade carries out inert gas shielding encapsulation；
The granularity of Al alloy powder is 0~53 μm, and oxygen content is 500~1300ppm, and fine powder recovery rate is up to 25%, is met
The requirement of aerospace 3D printing key components and parts.
2. the 3D printing according to claim 1 preparation method of spherical Al alloy powder, which is characterized in that in step 2)
The vacuumize process, vacuum degree are 1 × 10-4~1 × 10-2Pa。
3. the 3D printing according to claim 1 preparation method of spherical Al alloy powder, which is characterized in that this method is suitable
For aluminium alloy trade mark ISO 3522-2007, GB/T 1173-2013 and the GB/T 3190-2008 all over products trade mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610852958.2A CN106216703B (en) | 2016-09-27 | 2016-09-27 | A kind of preparation method of the spherical Al alloy powder of 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610852958.2A CN106216703B (en) | 2016-09-27 | 2016-09-27 | A kind of preparation method of the spherical Al alloy powder of 3D printing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106216703A CN106216703A (en) | 2016-12-14 |
| CN106216703B true CN106216703B (en) | 2018-12-14 |
Family
ID=58076380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610852958.2A Active CN106216703B (en) | 2016-09-27 | 2016-09-27 | A kind of preparation method of the spherical Al alloy powder of 3D printing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106216703B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735269A (en) * | 2016-12-16 | 2017-05-31 | 南通金源智能技术有限公司 | The method for preparing the 3D printing Al alloy powder of excellent sintering character |
| CN106735268A (en) * | 2016-12-16 | 2017-05-31 | 南通金源智能技术有限公司 | Preparation method for reducing the 3D printing metal powder material of hollow powder |
| CN106670488A (en) * | 2016-12-27 | 2017-05-17 | 深圳微纳增材技术有限公司 | Preparation device and method for high-activity metal powder |
| CN106735173B (en) * | 2016-12-29 | 2019-05-17 | 东莞深圳清华大学研究院创新中心 | A kind of metal-based compound 3D printing material and preparation method thereof |
| CN106735273A (en) * | 2017-02-14 | 2017-05-31 | 上海材料研究所 | A kind of precinct laser fusion shaping Inconel718 Co-based alloy powders and preparation method thereof |
| CN107470642A (en) * | 2017-08-30 | 2017-12-15 | 湖南顶立科技有限公司 | A kind of powder preparation method |
| CN107695338B (en) * | 2017-09-21 | 2019-11-12 | 北京宝航新材料有限公司 | A kind of AlSi7Mg dusty material and preparation method thereof and its application |
| CN109277579A (en) * | 2018-11-09 | 2019-01-29 | 安徽中体新材料科技有限公司 | A kind of low cost 3D printing Al alloy powder aerosolization preparation method |
| CN110610046B (en) * | 2019-05-24 | 2023-05-12 | 中航迈特粉冶科技（北京）有限公司 | Medical porous tantalum implant and method of making same |
| CN110315084B (en) * | 2019-06-18 | 2022-07-12 | 中航迈特粉冶科技（北京）有限公司 | Preparation method of high-temperature alloy powder for aircraft engine turbine disc |
| JP2023512391A (en) * | 2019-11-18 | 2023-03-27 | シックスケー インコーポレイテッド | Unique feedstock and manufacturing method for spherical powders |
| CN111069615B (en) * | 2019-12-04 | 2022-11-18 | 中航迈特粉冶科技(徐州)有限公司 | Spherical high-chromium copper alloy powder for 3D printing and preparation method thereof |
| CN112974820B (en) * | 2021-02-19 | 2022-07-29 | 上海电气集团股份有限公司 | Preparation method of metal powder, 3D printing method and 3D printed product |
| US12040162B2 (en) | 2022-06-09 | 2024-07-16 | 6K Inc. | Plasma apparatus and methods for processing feed material utilizing an upstream swirl module and composite gas flows |
| WO2024044498A1 (en) | 2022-08-25 | 2024-02-29 | 6K Inc. | Plasma apparatus and methods for processing feed material utilizing a powder ingress preventor (pip) |
| CN115808376B (en) * | 2022-12-12 | 2024-05-07 | 滨州学院 | Laser cladding powder flow aggregation measuring method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60116704A (en) * | 1983-11-30 | 1985-06-24 | Daido Steel Co Ltd | Manufacture of alloy powder |
| CN104588669A (en) * | 2014-12-25 | 2015-05-06 | 中国兵器科学研究院宁波分院 | Preparing method for micron-sized pure zirconium or zirconium alloy spherical powder |
| CN105642879A (en) * | 2016-01-14 | 2016-06-08 | 鞍山东大激光科技有限公司 | Spherical TC4 titanium alloy powder used for laser 3D printing and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101259536A (en) * | 2008-04-23 | 2008-09-10 | 北京科技大学 | Method for preparing high niobium containing titanium aluminium alloy powder |
| CN103769594A (en) * | 2013-11-25 | 2014-05-07 | 王利民 | Technological method and device for preparing high-purity spherical superfine/nanoscale powdered materials in plasma atomization mode |
| CN104550984B (en) * | 2014-12-15 | 2016-08-24 | 中国航空工业集团公司北京航空材料研究院 | A kind of preparation method of 3D printing Ni-base Superalloy Powder |
| CN105880612B (en) * | 2016-06-28 | 2018-07-06 | 浙江亚通焊材有限公司 | A kind of increasing material manufacturing active metal powder preparation method |
-
2016
- 2016-09-27 CN CN201610852958.2A patent/CN106216703B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60116704A (en) * | 1983-11-30 | 1985-06-24 | Daido Steel Co Ltd | Manufacture of alloy powder |
| CN104588669A (en) * | 2014-12-25 | 2015-05-06 | 中国兵器科学研究院宁波分院 | Preparing method for micron-sized pure zirconium or zirconium alloy spherical powder |
| CN105642879A (en) * | 2016-01-14 | 2016-06-08 | 鞍山东大激光科技有限公司 | Spherical TC4 titanium alloy powder used for laser 3D printing and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106216703A (en) | 2016-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106216703B (en) | A kind of preparation method of the spherical Al alloy powder of 3D printing | |
| CN106166617B (en) | A kind of preparation method of 3D printing titanium alloy powder | |
| CN104475743B (en) | A kind of preparation method of superfine spherical titanium and titanium alloy powder | |
| CN106378460B (en) | Prepare the plasma atomization method and equipment of spherical pure titanium or titanium alloy powder | |
| CN106363187B (en) | A kind of preparation method of 3D printing superalloy powder | |
| CN104475744B (en) | A kind of aerosolization prepares the device and method of sized spherical titanium powder and titanium alloy powder | |
| CN107096925B (en) | Novel plasma atomization preparation spherical powder system | |
| CN108161019B (en) | Powder making method of induction heating and radio frequency plasma combined atomization powder making system | |
| JP7323250B2 (en) | Plasma atomized metal powder production method and system | |
| CN105855560B (en) | Globular metallic powder and preparation method thereof | |
| CN205414417U (en) | Device of plasma atomizing preparation high performance powder for vibration material disk | |
| EP2701869B1 (en) | LOW COST PROCESSING TO PRODUCE SPHERICAL TITANIUM ALLOY POWDER Ti6Al4V | |
| CN101391307B (en) | Preparation method of fine globular tungsten powder | |
| CN107900366B (en) | Device and method for continuously preparing titanium or titanium alloy powder for 3D printing through gas atomization | |
| CN104148658B (en) | One is prepared increasing material and is manufactured special Ti6Al4V alloy powder process | |
| CN204396886U (en) | For the preparation facilities of spherical rare metal powder | |
| CN105689730A (en) | Method for preparing Inconel 625 alloy spherical powder | |
| CN106956008A (en) | A kind of 3D printing preparation method of Hastelloy X-alloy powder | |
| CN107557737A (en) | A kind of method for preparing tubular target | |
| CN109759598A (en) | A kind of preparation method of 3D printing GH4169 Ni-base Superalloy Powder | |
| CN110480024A (en) | A method of CuCrZr spherical powder is prepared based on VIGA technique | |
| CN108031855A (en) | A kind of sensing heating and radio frequency plasma combined atomizing pulverized coal preparation system | |
| CN105880612A (en) | Method for preparing active metal powder for additive manufacturing | |
| CN107498060A (en) | Preparation facilities and preparation method of a kind of low bulk than metal dust | |
| CN108526472A (en) | A kind of free arc system for spherical metal powder device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200318 Address after: South District, industrial park, Gu'an County, Langfang City, Hebei Province Patentee after: China Aviation Maite Fanye Technology (Guan) Co.,Ltd. Address before: 065500, Hebei County, Langfang province Guan Industrial Park Southern District thriving Street Patentee before: BEIJING AMC POWDER METALLURGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: South District, Guan County, Hebei, Langfang Patentee after: AVIC Maite Additive Manufacturing (Gu'an) Co.,Ltd. Address before: South District, Guan County, Hebei, Langfang Patentee before: China Aviation Maite Fanye Technology (Guan) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231219 Address after: 065000 South District of Gu'an County Industrial Park, Langfang City, Hebei Province Patentee after: AVIC Maite Additive Manufacturing (Gu'an) Co.,Ltd. Patentee after: AVIC Maite Additive Technology (Beijing) Co.,Ltd. Address before: South District, Guan County, Hebei, Langfang Patentee before: AVIC Maite Additive Manufacturing (Gu'an) Co.,Ltd. |
|
| TR01 | Transfer of patent right |