CN109482894A - The method of direct current plasma atomization preparation 3D printing spherical titanium and Titanium Powder - Google Patents
The method of direct current plasma atomization preparation 3D printing spherical titanium and Titanium Powder Download PDFInfo
- Publication number
- CN109482894A CN109482894A CN201910016080.2A CN201910016080A CN109482894A CN 109482894 A CN109482894 A CN 109482894A CN 201910016080 A CN201910016080 A CN 201910016080A CN 109482894 A CN109482894 A CN 109482894A
- Authority
- CN
- China
- Prior art keywords
- titanium
- direct current
- powder
- current plasma
- printing
- 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
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
- 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
- B22F2009/0824—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 with a specific atomising fluid
Abstract
The invention discloses a kind of methods that direct current plasma is atomized preparation 3D printing spherical titanium and Titanium Powder, belong to 3D printing field of material technology.The present invention is big in order to solve the ultra-fine titanium or titanium alloy powder preparation difficulty of the prior art; technical problem at high cost; provide a kind of method that direct current plasma atomization prepares 3D printing spherical titanium and Titanium Powder; it include: that titanium material is put into direct current plasma heating atomization device; under high-purity helium protection; direct current plasma torch is opened, making titanium material melting is drop；Titanium material drop is atomized under the discrete and impact force action of high-purity helium, then through cooled and solidified to get 3D printing sized spherical titanium powder or Titanium Powder；The titanium material is titanium silk or titanium alloy wire.The present invention can mass prepare the 3D printing spherical titanium and Titanium Powder of 45 μm or less high powder rate, oxygen content is low, good fluidity, and high production efficiency, low energy consumption.
Description
Technical field
The invention belongs to 3D printing field of material technology, and in particular to the side of a kind of 3D printing spherical titanium and Titanium Powder
Method.
Background technique
3D printing metal powder is also the largest value institute as a most important ring in metal parts 3D printing industrial chain
?.3D printing metal powder is in addition to need to have good plasticity, it is necessary to meet tiny powder diameter, narrower particle size distribution,
Sphericity height, good fluidity and apparent density height etc. require.
Although 3D printing technique obtains the development advanced by leaps and bounds over the years, cost is also greatly reduced, at
This is still higher, and therefore, in industry, application field is most wide at present, is to possess the metal product of high added value, such as titanium closes
Gold and titanium are mainly used for the military industry fields such as medical treatment and aerospace.But the development of 3D printing at present be limited by ultra-fine titanium and
The raw material of Titanium Powder obtains difficulty, leads to high expensive, and limit its scope of application.It would therefore be highly desirable to develop a kind of completely new
3D printing titanium or titanium alloy powder technology of preparing and equipment, to reduce preparation cost, and the 3D printing being had excellent performance
With titanium or titanium alloy powder.
Summary of the invention
The present invention is to solve the technical problem that the ultra-fine titanium or titanium alloy powder preparation difficulty of the prior art is big, at high cost.
The technical proposal adopted by the invention to solve the above technical problems is that providing a kind of direct current plasma atomization preparation
The method of 3D printing spherical titanium and Titanium Powder comprising following steps: titanium material is put into direct current plasma heating atomization
In device, under high-purity helium protection, direct current plasma torch is opened, making titanium material melting is drop；Titanium material drop is high-purity
It is atomized under the discrete and impact force action of helium, then through cooled and solidified to get 3D printing sized spherical titanium powder or Titanium Powder；Institute
Stating titanium material is titanium silk or titanium alloy wire.
Wherein, direct current plasma described above atomization is prepared in 3D printing spherical titanium and the method for Titanium Powder, institute
The diameter for stating titanium material is 2mm.
Wherein, direct current plasma described above atomization is prepared in 3D printing spherical titanium and the method for Titanium Powder, institute
The purity for stating high-purity helium is 99.999%.
Wherein, direct current plasma described above atomization is prepared in 3D printing spherical titanium and the method for Titanium Powder, institute
Stating direct current plasma heating atomization device includes titanium or titanium alloy wire tray (1), direct current plasma heating atomization system (2)；Wherein,
Direct current plasma heating atomization system (2) includes high pressure plasma helium gas outlet (2-2), high pressure plasma helium air inlet
(2-3), direct current plasma torch (2-4).
Beneficial effects of the present invention:
The present invention combines heating plasma system and inert gas atomizer system, and mass has been prepared 45 μm or less high
The 3D printing spherical titanium and Titanium Powder of powder rate (more than 60%) are obtained, high production efficiency, low energy consumption；The titanium produced by the method
And the particle of Titanium Powder is spherical in shape, it is the very good material of 3D printing that oxygen content is low, good fluidity；The system of titanium or titanium alloy powder
Take equipment more stable and reliable.
Detailed description of the invention
Fig. 1 is the schematic diagram of direct current plasma heating atomization device of the present invention.
In the figure, it is marked as 1 is titanium or titanium alloy wire tray, 2 be direct current plasma heating atomization system, and 1-1 is that titanium and titanium close
Spun gold, 2-1 are the titanium or titanium alloy drop after direct current plasma heating melting, and 2-2 is high pressure plasma helium gas outlet, 2-3
For high pressure plasma helium air inlet, 2-4 is direct current plasma torch.
Specific embodiment
Specifically, the method for direct current plasma atomization preparation 3D printing spherical titanium and Titanium Powder comprising following step
It is rapid: titanium material being put into direct current plasma heating atomization device, under high-purity helium protection, direct current plasma torch is opened, makes
Titanium material melting is drop；Titanium material drop is atomized under the discrete and impact force action of high-purity helium, then through cooled and solidified,
Up to 3D printing sized spherical titanium powder or Titanium Powder；The titanium material is titanium silk or titanium alloy wire.
The principle of the present invention are as follows: high-purity helium is passed through through high pressure plasma helium air inlet, by adjusting plasma
Electric discharge, to control the temperature of direct current plasma torch, to control the flow velocity and flow of titanium or titanium alloy molten liquid；Direct current etc. from
Sub- torch can generate powerful air whirl while melting titanium or titanium alloy, in the discrete of high-pressure helium and impact masterpiece
Atomization is generated to titanium or titanium alloy molten liquid with lower, the droplet for keeping titanium material droplet distribution fine collects atomization and cooling
Titanium valve or Titanium Powder afterwards obtain ultra-fine 3D printing sized spherical titanium powder or Titanium Powder.
For the ease of the melting of titanium or titanium alloy silk, the diameter of titanium or titanium alloy silk employed in the method for the present invention is 2mm.
To avoid pollution titanium or titanium alloy powder, the purity for the high-purity helium that the present invention uses is 99.999%；In addition, this hair
Each step of bright method carries out under high-purity helium atmosphere protection.
To match the method for the present invention, the invention further relates to a kind of direct current plasma heating atomization devices comprising titanium and
Titanium alloy wire tray (1), direct current plasma heating atomization system (2)；Wherein, direct current plasma heating atomization system (2) includes height
It presses plasma helium gas outlet (2-2), high pressure plasma helium air inlet (2-3), direct current plasma torch (2-4).
Using preparation method and preparation facilities of the invention, realizes the high 3D for obtaining powder rate of 45 μm of mass preparation or less and beat
Print titanium or titanium alloy powder.
Below by embodiment, invention is further described in detail, but does not therefore limit the scope of the present invention
Among the embodiment described range.
Embodiment 1
The titanium alloy wire for taking Ф 2mm is put into direct current plasma heating atomization device, is passed through high-purity helium, passes through adjusting
Torch melts titanium alloy wire, and titanium alloy drop is cooling in the protection environment of high-purity helium after high-purity helium atomization is broken
Solidification, takes out, then sieved after being cooled to room temperature with ultrasonic activation, according to grading, obtains different micron orders
Other spherical shape Titanium Powder becomes product with plastic foil vacuum packaging.
Above-mentioned produced 3D printing is spherical in shape with the granule-morphology of spherical Titanium Powder product, the master of Titanium Powder product
Want chemical element content as shown in table 1；The spherical shape titanium alloy powder 0~200 micron range endoparticle each batch, wherein
45 μm below that powder rate is more than 60%, and oxygen content is lower than 0.06%, and sphericity >=90%, sphere sizes are in 15~45 μ ms
Internal mobility < 12s (uses " Hall flowmeter " to test mobility), bulk density: 0~180 μm of Titanium Powder is greater than 2.35
~2.65g/cm3。
The main chemical compositions of 1 titanium alloy powder product of table
| Chemical component | Ti-6Al-4V class 5 | Ti-6Al-4V grade 23 |
| Carbon (C) | <0.08 | <0.08 |
| Oxygen (O) | <0.15 | <0.11 |
| Nitrogen (N) | <0.03 | <0.03 |
| Hydrogen (H) | <0.015 | <0.0125 |
| Iron (Fe) | <0.40 | <0.25 |
| Aluminium (Al) | 5.5-6.75 | 5.5-6.5 |
| Vanadium (V) | 3.5-4.5 | 3.5-4.5 |
| Other elements | <0.4 | <0.4 |
| Titanium (Ti) | Surplus | Surplus |
Embodiment 2
The titanium silk for taking Ф 2mm is put into direct current plasma heating atomization device, is passed through high-purity helium, by adjusting torch,
Melt titanium silk, after high-purity helium atomization is broken, the cooled and solidified in the protection environment of high-purity helium is cooled to titanium drop
It takes out after room temperature, then is sieved with ultrasonic activation, according to grading, obtain the sized spherical titanium powder of different micron levels,
Become product with plastic foil vacuum packaging.
The 3D printing produced is spherical in shape with the granule-morphology of spherical Titanium Powder product, mainization of Titanium Powder product
It is as shown in table 2 to learn constituent content；The titanium powder 0~200 micron range endoparticle each batch, wherein 45 μm are below
Powder rate is more than 60%, and oxygen content is lower than 0.06%, and sphericity>=90%, sphere sizes are in 15~45 μ m internal mobilities<12s
(" Hall flowmeter " is used to test mobility), bulk density: 0~180 μm of titanium valve is greater than 2.35~2.65g/cm3。
The main chemical compositions of 2 titanium powder product of table
The preparation method high production efficiency of titanium or titanium alloy powder of the invention, low energy consumption；The titanium and titanium produced by the method close
The particle of bronze is spherical in shape, and it is the very good material of 3D printing that oxygen content is low, good fluidity；The producing equipment of titanium or titanium alloy powder
It is more stable and reliable.
Claims (4)
1. the method for direct current plasma atomization preparation 3D printing spherical titanium and Titanium Powder, it is characterised in that: including following step
It is rapid: titanium material being put into direct current plasma heating atomization device, under high-purity helium protection, direct current plasma torch is opened, makes
Titanium material melting is drop；Titanium material drop is atomized under the discrete and impact force action of high-purity helium, then through cooled and solidified,
Up to 3D printing sized spherical titanium powder or Titanium Powder；The titanium material is titanium silk or titanium alloy wire.
2. the method for direct current plasma atomization preparation 3D printing spherical titanium according to claim 1 and Titanium Powder,
Be characterized in that: the diameter of the titanium material is 2mm.
3. the method for direct current plasma atomization preparation 3D printing spherical titanium according to claim 1 and Titanium Powder,
Be characterized in that: the purity of the high-purity helium is 99.999%.
4. described in any item direct current plasma atomization preparation 3D printing spherical titaniums and Titanium Powder according to claim 1~3
Method, it is characterised in that: the direct current plasma heating atomization device includes titanium or titanium alloy wire tray (1), direct current plasma
Heating atomization system (2)；Wherein, direct current plasma heating atomization system (2) includes high pressure plasma helium gas outlet (2-2),
High pressure plasma helium air inlet (2-3), direct current plasma torch (2-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016080.2A CN109482894A (en) | 2019-01-08 | 2019-01-08 | The method of direct current plasma atomization preparation 3D printing spherical titanium and Titanium Powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016080.2A CN109482894A (en) | 2019-01-08 | 2019-01-08 | The method of direct current plasma atomization preparation 3D printing spherical titanium and Titanium Powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109482894A true CN109482894A (en) | 2019-03-19 |
Family
ID=65714213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910016080.2A Pending CN109482894A (en) | 2019-01-08 | 2019-01-08 | The method of direct current plasma atomization preparation 3D printing spherical titanium and Titanium Powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109482894A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041074A (en) * | 2022-06-20 | 2022-09-13 | 安徽中科大禹科技有限公司 | Ultrasonic atomization plasma processing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5707419A (en) * | 1995-08-15 | 1998-01-13 | Pegasus Refractory Materials, Inc. | Method of production of metal and ceramic powders by plasma atomization |
| CN105618771A (en) * | 2016-01-29 | 2016-06-01 | 苏州英纳特纳米科技有限公司 | Radio frequency plasma preparation method and device for micro spherical titanium powder |
| CN106378460A (en) * | 2016-09-22 | 2017-02-08 | 成都优材科技有限公司 | Plasma atomization method and apparatus for preparing pure titanium or titanium alloy powder |
| CN107470643A (en) * | 2017-10-18 | 2017-12-15 | 攀钢集团攀枝花钢铁研究院有限公司 | 3D printing superfine spherical Titanium Powder preparation facilities |
| CN107790735A (en) * | 2017-11-01 | 2018-03-13 | 攀钢集团攀枝花钢铁研究院有限公司 | The method that radio frequency plasma smelting system prepares the spherical Titanium Powder of 3D printing |
-
2019
- 2019-01-08 CN CN201910016080.2A patent/CN109482894A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5707419A (en) * | 1995-08-15 | 1998-01-13 | Pegasus Refractory Materials, Inc. | Method of production of metal and ceramic powders by plasma atomization |
| CN105618771A (en) * | 2016-01-29 | 2016-06-01 | 苏州英纳特纳米科技有限公司 | Radio frequency plasma preparation method and device for micro spherical titanium powder |
| CN106378460A (en) * | 2016-09-22 | 2017-02-08 | 成都优材科技有限公司 | Plasma atomization method and apparatus for preparing pure titanium or titanium alloy powder |
| CN107470643A (en) * | 2017-10-18 | 2017-12-15 | 攀钢集团攀枝花钢铁研究院有限公司 | 3D printing superfine spherical Titanium Powder preparation facilities |
| CN107790735A (en) * | 2017-11-01 | 2018-03-13 | 攀钢集团攀枝花钢铁研究院有限公司 | The method that radio frequency plasma smelting system prepares the spherical Titanium Powder of 3D printing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041074A (en) * | 2022-06-20 | 2022-09-13 | 安徽中科大禹科技有限公司 | Ultrasonic atomization plasma processing device |
| CN115041074B (en) * | 2022-06-20 | 2023-09-29 | 安徽中科大禹科技有限公司 | Ultrasonic atomization plasma treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104475743B (en) | A kind of preparation method of superfine spherical titanium and titanium alloy powder | |
| CN106166617B (en) | A kind of preparation method of 3D printing titanium alloy powder | |
| CN109482897A (en) | The method that rotation electrode prepares 3D printing spherical titanium and Titanium Powder | |
| CN103846447B (en) | The aerosolization preparation method of a kind of superfine spherical titanium or titanium alloy powder | |
| CN103785860B (en) | Metal dust of 3D printer and preparation method thereof | |
| CN107716918B (en) | A kind of AlSi10Mg dusty material and preparation method thereof and its application | |
| CN107695338B (en) | A kind of AlSi7Mg dusty material and preparation method thereof and its application | |
| CN112317752B (en) | TiZrNbTa high-entropy alloy for 3D printing and preparation method and application thereof | |
| CN109877329B (en) | Preparation of titanium and titanium alloy powder for 3D printing based on fluidized bed jet mill technology | |
| WO2020103582A1 (en) | Preparation method for fluidizing and shaping low-cost titanium powder for 3d printing | |
| CN104209526B (en) | A kind of preparation method of superfine spherical titanium alloy powder | |
| CN109759598A (en) | A kind of preparation method of 3D printing GH4169 Ni-base Superalloy Powder | |
| CN107363262A (en) | A kind of preparation method and application of high-purity compact spherical titanium zirconium alloy powder | |
| CN106956008A (en) | A kind of 3D printing preparation method of Hastelloy X-alloy powder | |
| CN107052353A (en) | A kind of method that utilization radio frequency plasma body technique prepares spheroidization TC4 titanium alloy powders | |
| CN110181069A (en) | Using the method for gas atomization preparation high nitrogen powdered steel | |
| CN101716686A (en) | Short-flow preparation method of micro-sized spherical titanium powder | |
| CN104148658A (en) | Technique for preparing special Ti6Al4V alloy powder used for material increase manufacturing | |
| CN106381419B (en) | Cobalt-chromium alloy powder and its preparation method and application | |
| CN106216703A (en) | A kind of preparation method of 3D printing spherical aluminum alloy powder | |
| CN109570521A (en) | The method that plasma spheroidization prepares metal powder | |
| CN111719087B (en) | Preparation method of medical CuFe alloy powder | |
| CN105880612A (en) | Method for preparing active metal powder for additive manufacturing | |
| CN111790913A (en) | Preparation method of medical cobalt-chromium-molybdenum alloy powder for laser 3D printing | |
| CN107900366A (en) | Aerosolization continuously prepares the device and method of 3D printing titanium or titanium alloy powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190319 |
|
| RJ01 | Rejection of invention patent application after publication |