CN108247072A - A kind of method that spherical 3D printing powder is prepared using plasma - Google Patents

A kind of method that spherical 3D printing powder is prepared using plasma Download PDF

Info

Publication number
CN108247072A
CN108247072A CN201711464225.2A CN201711464225A CN108247072A CN 108247072 A CN108247072 A CN 108247072A CN 201711464225 A CN201711464225 A CN 201711464225A CN 108247072 A CN108247072 A CN 108247072A
Authority
CN
China
Prior art keywords
powder
printing
spherical
plasma
printing powder
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
Application number
CN201711464225.2A
Other languages
Chinese (zh)
Inventor
江民德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CN108247072A publication Critical patent/CN108247072A/en
Pending legal-status Critical Current

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
    • 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
    • B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
    • 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
    • B22F9/14—Making metallic powder or suspensions thereof using physical processes using electric discharge
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/62665—Flame, plasma or melting treatment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62695—Granulation or pelletising

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Civil Engineering (AREA)
  • Composite Materials (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Thermal Sciences (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

The invention discloses a kind of methods that spherical 3D printing powder is prepared using plasma, the method does not need to the multiple working procedures such as refining, deoxidation, slag making, fishing Slag treatment, air-blowing balling-up, atomization and produces, spherical shape 3D printing powder obtained, surface is smooth, it is evenly distributed, pollution-free, loose specific weight is big, good fluidity is current more superior form.The present invention prepares 3D printing powder using plasma, realizes the preparation 3D printing powder of simple and fast, and simple for process, low energy consumption, without dust pollution, and the 3D printing powder surface of gained is spherical shape, and good fluidity is at low cost, is worth substantially promoting.The present invention carries out quenching using water to the 3D printing powder of preparation, so that the balling-up probability for the product being prepared greatly improves, water cooling greatly reduces manufacturing cost and working efficiency for preparation process simultaneously, the production especially suitable for heavy industrialization.

Description

A kind of method that spherical 3D printing powder is prepared using plasma
Technical field
The present invention relates to a kind of preparation method technical fields of 3D printing powder, are specifically related to a kind of utilization plasma system The method of standby spherical shape 3D printing powder.
Background technology
At present, it uses both at home and abroad during 3D printing powder and generally requires the extraordinary spherical powder of mobility, this is because aspheric The common powder particle shape of shape is complicated, and flowing is poor, and powder feeding is uneven, causes the product quality printed uneven.Although at present Mainly have and prepare such spherical powder using gas atomization method, but complex process, production cost is high, and restricted application is (only It is less than less than 2000 DEG C of material suitable for fusing point).
3D printing technique now is widely used to promote in every field, and good 3D printing powder is into very powerful and exceedingly arrogant weight Want resource.And it (is mainly that Germany is produced using gas atomization method that most high-quality 3D printing powder, which depends on import, at present 3D printing powder), it is expensive, about between per kilogram 5000-6000 members.
Invention content
The purpose of the present invention is to provide a kind of methods that spherical 3D printing powder is prepared using plasma.The method has Have simple for process, low energy consumption, and the purity for the 3D printing powder being prepared is high, and distribution is concentrated, and is not only increased using the method The product quality of 3D printing powder, and the spheric granules object that obtained 3D printing powder is higher for sphericity, loose specific weight is big, quality Stablize, product sintering warpage is small, and production cost is low (about between the 1/5-1/6 of import 3D printing powder price), is worth substantially pushing away Extensively.
To achieve the above object, the present invention provides following technical solution：
A kind of method that spherical 3D printing powder is prepared using plasma, described method includes following steps：
1) at least one of metal powder, prealloy powder, ceramic powder are sent into plasma torch, carried out at plasma high temperature Reason, the temperature of the plasma torch is 10000-30000 DEG C；
2) at least one of metal powder, prealloy powder, ceramic powder of step 1) are fused into liquid by very high temperature plasma flame Drop, the drop of fusing form ball under surface tension effects；
The spherical droplets drop onto under the effect of gravity to be connected in the cooling device of powder feeding argon gas, and the spherical droplets exist It is cooled down rapidly under the protective effect of powder feeding argon gas, spherical 3D printing powder is prepared；Alternatively,
The spherical droplets are dropped onto in water or dropped onto under the effect of gravity in the cooling device equipped with water, are prepared Spherical 3D printing powder.
As further embodiment of the present invention：In step 1), the temperature of the plasma torch is 11000-29000 DEG C, For example, 11000 DEG C, 12500 DEG C, 15000 DEG C, 18000 DEG C, 20000 DEG C, 25000 DEG C or 29000 DEG C.
As further embodiment of the present invention：In step 1), the grain size of the metal powder is 20-100 μm；The prealloy The grain size of powder is 20-100 μm；The grain size of the ceramic powder is 20-100 μm.
As further embodiment of the present invention：In step 1), in following substance of the metal powder selected from powder type It is at least one：Metal simple-substance, metal oxide, metal carbides, metal nitride or metal silicide.
Preferably, the metal simple-substance of powder type is in titanium valve, copper powder, tantalum powder, niobium powder, molybdenum powder, tungsten powder or aluminium powder It is at least one.
Preferably, metal oxide is selected from least one of calcium oxide, zirconium oxide, titanium oxide or magnesia；Metal carbon Compound is selected from least one of calcium carbide, zirconium carbide, titanium carbide or magnesium carbide；Metal nitride be selected from CaCl2, zirconium nitride, At least one of titanium nitride or magnesium nitride；Metal silicide in calcium silicide, zirconium silicide, titanium silicide or magnesium silicide at least It is a kind of；Metal carbides are selected from least one of calcium carbide, zirconium carbide, titanium carbide or magnesium carbide.
Preferably, the prealloy is selected from least one of cobalt-chromium-tungsten alloy, titanium alloy or stainless steel alloy.
Preferably, the prealloy is selected from least one of high temperature alloy or corrosion resisting alloy.
Preferably, the prealloy is selected from dental prosthetic alloy.
Preferably, the ceramic powder is selected from Metal-ceramie powder.
Preferably, the Metal-ceramie powder is selected from oxide base cermet, carbide-base ceramics, nitride fund Belong at least one of ceramics, boride-base cerment, silicide based ceramic metal.
As illustratively, the oxide-based ceramic powder includes but not limited to aluminium oxide, zirconium oxide, magnesia, oxygen The oxides such as SiClx, beryllium oxide be matrix, the oxide-based ceramic powder being combined with tungsten, chromium or cobalt.
As illustratively, the carbide-base ceramics includes but not limited to titanium carbide, silicon carbide, tungsten carbide etc. Carbide is matrix, the carbide-base ceramics formed with metal composites such as metallic cobalt, nickel, chromium, tungsten, molybdenums.
As illustratively, the nitride based ceramic metal include but not limited to titanium nitride, boron nitride, silicon nitride, The nitride such as tantalum nitride are matrix, are formed with part metals Material cladding.
As illustratively, the boride-base cerment include but not limited to titanium boride, tantalum boride, vanadium boride, The borides such as chromium boride, zirconium boride, tungsten boride, molybdenum boride, niobium (Nb) boride, hafnium boride be matrix, with part metals Material cladding and Into.
As illustratively, the silicide based ceramic metal include but not limited to silication manganese, iron suicide, cobalt silicide, Nickle silicide, titanium silicide, zirconium silicide, niobium silicide, vanadium silicide, niobium silicide, tantalum silicide, molybdenum silicide, tungsten silicide, barium slilicide etc. are silication Object matrix is formed with part or trace meter Material cladding.
In the present invention, the corrosion resisting alloy is known in the art conventional corrosion resisting alloy, for example, ferrous alloy (such as Corrosion-resistant stainless steel alloy etc.)；Nickel-base alloy (such as Ni-Cr alloy, Ni-Cr-Mo alloys, Ni-Cu alloys etc.).The high temperature closes Gold is known in the art conventional high temperature alloy, and for example, iron, nickel, cobalt is base, high temperature that can be at 600 DEG C or more and certain stress One metalloid material of the lower long-term work of effect.The dental prosthetic is known in the art conventional dental reparation with alloy and closes Gold, for example, cobalt-chromium-tungsten alloy, silver amalgam, billon, titanium alloy or nichrome.
As further embodiment of the present invention：In step 1), using automatic continuous dust feeder by metal powder, prealloy At least one of powder, ceramic powder are sent into plasma torch.
As further embodiment of the present invention：In step 1), at least one in the metal powder, prealloy powder, ceramic powder The feeding amount of plasma torch kind is sent into as 10-30g/min, for example, 10g/min, 15g/min, 20g/min, 25g/min or 30g/min。
As further embodiment of the present invention：In step 1), the power of the plasma is 15-100kW, for example, 30kW, 40kW or 50kW.The plasma gas is argon gas, and the purity of the argon gas is 99.99%.The plasma gas Flow is 2.0-3.0m3/ h, for example, 2.0m3/h、2.1m3/h、2.2m3/h、2.3m3/h、2.4m3/h、2.5m3/h、2.6m3/h、 2.7m3/h、2.8m3/h、2.9m3/ h or 3.0m3/h。
As further embodiment of the present invention：In step 2), the flow of the powder feeding argon gas is 0.4-1.2m3/ h, such as For 0.4m3/h、0.5m3/h、0.6m3/h、0.7m3/h、0.8m3/h、0.9m3/h、1.0m3/h、1.1m3/ h or 1.2m3/h.It is described Powder feeding argon gas can not only accelerate that spherical droplets is made to be cooled to solid, be also prevented from its oxidation.
As further embodiment of the present invention：The purity of the powder feeding argon gas is 99.99-99.999%.
As further embodiment of the present invention：In step 2), the cooling device is selected from stainless steel barrel.
As further embodiment of the present invention：In step 2), dropping onto the powder in water can pass through at filtering drying heat Step is managed, obtains final spherical 3D printing powder.
The present invention also provides a kind of 3D printing powder, the 3D printing powder is prepared using the above method.
As further embodiment of the present invention：The 3D printing powder is spherical in shape, and the grain size of the 3D printing powder is 10-100 μ M, preferably 30-80 μm, for example, 30-50 μm.
As further embodiment of the present invention：The grain size is that the balling-up probability of 10-100 μm of spherical 3D printing powder exists 90%-100%.
As further embodiment of the present invention：Median particle diameter (the D of the 3D printing powder50) it is 20-50 μm, preferably 30- 40μm。
As further embodiment of the present invention：The 3D printing powder is cobalt-chromium-tungsten alloy powder.
The present invention also provides the purposes of above-mentioned 3D printing powder, for 3D printing handicraft.
As further embodiment of the present invention：The 3D printing powder is for multi items, few yield and dystectic has spy The industrialized production of the material of kind requirement.
As further embodiment of the present invention：The product can be dental prosthetic product.
As further embodiment of the present invention：The product can be part, component, integral device, apparatus or craftwork Deng.
As further embodiment of the present invention：The 3D printing powder is 3D printing cobalt-chromium-tungsten alloy powder, and the product is used for In the fields such as the repairing of tooth.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention does not need to the multiple working procedures such as refining, deoxidation, slag making, fishing Slag treatment, air-blowing balling-up, atomization and produces, and is made Spherical 3D printing powder, surface is smooth, is evenly distributed, pollution-free, and loose specific weight is big, good fluidity, be at present have it is larger excellent The spherical shape of gesture.
The present invention prepares 3D printing powder using plasma, realizes the preparation 3D printing powder of simple and fast, simple for process, Low energy consumption, without dust pollution, and the 3D printing powder surface of gained is spherical shape, and good fluidity is at low cost, is worth substantially promoting.
The present invention carries out quenching using water to the 3D printing powder of preparation so that the balling-up probability for the product being prepared It greatly improves, while water cooling greatly reduces manufacturing cost for preparation process, and improves work efficiency, it is especially suitable For the industrialized production of multi items, few yield and dystectic material with particular/special requirement.
The present invention is by designing different cooling treatment modes so that the method is both suitable for the ceramics not aoxidized Raw material is also suitable for being difficult to the metal and/or alloy aoxidized, and applicability is wider, it is easier to promote and implement.
Specific embodiment
With reference to specific embodiment, the present invention is further explained.It should be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.Furthermore, it is to be understood that after content disclosed in this invention has been read, ability Field technique personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the protection that the present invention is limited Within the scope of.
Experimental method used in following embodiments is conventional method unless otherwise specified；Institute in following embodiments Reagent, material etc., are commercially available unless otherwise specified.
Embodiment 1
In the embodiment of the present invention, a kind of method that spherical 3D printing powder is prepared using plasma, with prealloy powder (titanium vanadium Aluminium alloy) or metal powder (titanium valve) be raw material, plasma is carried out to it and prepares spherical 3D printing powder, specific preparation process For：Prealloy powder or metal powder are sent into plasma torch, feeding amount is 10-50g/min, and the power of plasma is controlled to exist 15kW；Plasma (orifice) gas is argon gas, flow 2.5m3/h；By 10000-30000 DEG C of high temperature of plasma torch by prealloy powder Or metal powder is fused into drop (instantaneous processing time for 0.01-0.1s or so), the drop of the fusing shape under surface tension effects Balling-up, spherical droplets drop onto under the effect of gravity is connected with powder feeding argon gas (flow 0.65m3/ h) stainless steel barrel in, cooling The powder feeding argon gas being passed through in device can be very good to realize the 3D printing powder protection against oxidation to being prepared, and obtain balling-up probability For 95% spherical 3D printing powder.
3D printing powder is spherical in shape made from the present embodiment, and granularmetric composition is 10-100 μm.
Embodiment 2
In the embodiment of the present invention, a kind of method that spherical 3D printing powder is prepared using plasma, with cobalt chromium tungsten prealloy Powder is raw material, and plasma is carried out to it and prepares 3D printing powder, specific preparation process is：By cobalt chromium tungsten prealloy powder be sent into etc. from Sub- flame, feeding amount are 15g/min, control the power of plasma in 20kW；Ion-gas is argon gas, flow 2-3m3/h；It is logical 10000-30000 DEG C of high temperature of plasma torch is crossed cobalt chromium tungsten prealloy powder to be fused into drop (instantaneous processing time is 0.01- 0.1s or so), the drop of fusing forms ball under surface tension effects, and spherical droplets are dropped onto under the effect of gravity equipped with pure In the stainless steel barrel of water, then drying heat treatment is filtered, obtains the spherical 3D printing cobalt chromium tungsten that balling-up probability is more than 95% Powder.
3D printing powder is spherical in shape made from the present embodiment, and granularmetric composition is 10-100 μm.
Embodiment 3
In the embodiment of the present invention, a kind of method that spherical 3D printing powder is prepared using plasma is right using titanium valve as raw material It carries out plasma and prepares 3D printing powder, and specific preparation process is：Titanium valve is sent into plasma torch, feeding amount 18g/min, The power of plasma is controlled in 15-20kW；Ion-gas is argon gas, flow 2.3m3/h；Pass through the 10000- of flame passes Titanium valve is fused into drop (instantaneous processing time is 0.01-0.1s or so) by 30000 DEG C of (preferably 15000 DEG C) high temperature, fusing Drop forms ball under surface tension effects, and spherical droplets are dropped onto under the effect of gravity in the stainless steel barrel equipped with pure water, It is filtered drying heat treatment again, obtains the spherical 3D printing titanium valve that balling-up probability is more than 95%.
3D printing powder is spherical in shape made from the present embodiment, and granularmetric composition is 10-100 μm.
It can be seen that using method of the present invention, during 3D printing powder is prepared from above-described embodiment 1-3 It does not need to the multiple working procedures such as spray-on process, refining, deoxidation, slag making, fishing Slag treatment, air-blowing balling-up, atomization to produce, spherical shape 3D obtained Powder is printed, surface is smooth, and granularmetric composition is controllable, good fluidity, is the method for the more superior spherical 3D printing powder of preparation at present.
The present invention does not need to the multiple working procedures such as refining, deoxidation, slag making, fishing Slag treatment, air-blowing balling-up, atomization and produces, and is made Spherical 3D printing powder, surface is smooth, is evenly distributed, pollution-free, and loose specific weight is big, good fluidity, be at present have it is larger excellent The spherical shape of gesture.
The present invention prepares 3D printing powder using plasma, realizes the preparation 3D printing powder of simple and fast, simple for process, Low energy consumption, without dust pollution, and the 3D printing powder surface of gained is spherical shape, and good fluidity is at low cost, is worth substantially promoting.
In the above process, the spherical 3D printing powder prepared using the method for the present invention is suitable for the 3D printing skill of tooth Art is suitable for the repairing of tooth.
More than, embodiments of the present invention are illustrated.But the present invention is not limited to the above embodiments.It is all Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention Within the scope of shield.

Claims (10)

  1. A kind of 1. method that spherical 3D printing powder is prepared using plasma, which is characterized in that described method includes following steps：
    1) at least one of metal powder, prealloy powder, ceramic powder are sent into plasma torch, carry out plasma high-temperature process, The temperature of the plasma torch is 10000-30000 DEG C；
    2) at least one of metal powder, prealloy powder, ceramic powder of step 1) are fused into drop by very high temperature plasma flame, are melted The drop of change forms ball under surface tension effects；
    The spherical droplets drop onto under the effect of gravity to be connected in the cooling device of powder feeding argon gas, and the spherical droplets are in powder feeding It is cooled down rapidly under the protective effect of argon gas, spherical 3D printing powder is prepared；Alternatively,
    The spherical droplets are dropped onto in water or dropped onto under the effect of gravity in the cooling device equipped with water, and spherical shape is prepared 3D printing powder.
  2. 2. the method according to claim 1 that spherical 3D printing powder is prepared using plasma, which is characterized in that step 1) In, the temperature of plasma torch is 11000-29000 DEG C, for example, 11000 DEG C, 12500 DEG C, 15000 DEG C, 18000 DEG C, 20000 DEG C, 25000 DEG C or 29000 DEG C.
  3. 3. the method according to claim 1 or 2 that spherical 3D printing powder is prepared using plasma, which is characterized in that step It is rapid 1) in, the grain size of the metal powder is 20-100 μm；The grain size of the prealloy powder is 20-100 μm；The grain of the ceramic powder Diameter is 20-100 μm.
    Preferably, in step 1), the metal powder is selected from least one of following substance of powder type：Metal simple-substance, gold Belong to oxide, metal carbides, metal nitride or metal silicide.
    Preferably, the metal simple-substance of powder type in titanium valve, copper powder, tantalum powder, niobium powder, molybdenum powder, tungsten powder or aluminium powder at least It is a kind of.
    Preferably, the prealloy is selected from least one of cobalt-chromium-tungsten alloy, titanium alloy or stainless steel alloy.
    Preferably, the prealloy is selected from least one of high temperature alloy or corrosion resisting alloy.
    Preferably, the prealloy is selected from dental prosthetic alloy.
    Preferably, the ceramic powder is selected from Metal-ceramie powder.
    Preferably, in step 1), using automatic continuous dust feeder by least one of metal powder, prealloy powder, ceramic powder It is sent into plasma torch.
  4. 4. the method according to any one of claim 1-3 that spherical 3D printing powder is prepared using plasma, feature It is, in step 1), the feeding amount that at least one of the metal powder, prealloy powder, ceramic powder are sent into plasma torch is 10-30g/min, for example, 10g/min, 15g/min, 20g/min, 25g/min or 30g/min.
  5. 5. the method that spherical 3D printing powder is prepared using plasma according to any one of claim 1-4, feature It is, in step 1), the power of the plasma is 15-100kW, for example, 30kW, 40kW or 50kW.
    Preferably, the flow of the plasma gas is 2.0-3.0m3/ h, for example, 2.0m3/h、2.1m3/h、2.2m3/h、 2.3m3/h、2.4m3/h、2.5m3/h、2.6m3/h、2.7m3/h、2.8m3/h、2.9m3/ h or 3.0m3/h。
    Preferably, the plasma gas is argon gas, and the purity of the argon gas is 99.99-99.999%.
  6. 6. the method according to any one of claims 1-5 that spherical 3D printing powder is prepared using plasma, feature It is, in step 2), the flow of the powder feeding argon gas is 0.4-1.2m3/ h, for example, 0.4m3/h、0.5m3/h、0.6m3/h、 0.7m3/h、0.8m3/h、0.9m3/h、1.0m3/h、1.1m3/ h or 1.2m3/h。
    Preferably, the purity of the powder feeding argon gas is 99.99-99.999%.
  7. 7. the method that spherical 3D printing powder is prepared using plasma according to any one of claim 1-6, feature It is, in step 2), the cooling device is selected from stainless steel barrel.
    Preferably, in step 2), the powder in water is dropped onto by filtering drying heat treatment step, final spherical 3D is obtained and beats Print powder.
  8. 8. a kind of 3D printing powder, the 3D printing powder is to utilize plasma system using described in any one of claim 1-7 What the method for standby spherical shape 3D printing powder was prepared.
  9. 9. 3D printing powder according to claim 8, which is characterized in that the 3D printing powder is spherical in shape, the 3D printing powder Grain size for 10-100 μm, preferably 30-80 μm, for example, 30-50 μm.
    Preferably, the grain size is the balling-up probability of 10-100 μm of spherical 3D printing powder in 90%-100%.
    Preferably, the median particle diameter (D of the 3D printing powder50) it is 20-50 μm, preferably 30-40 μm.
    Preferably, the 3D printing powder is cobalt-chromium-tungsten alloy powder.
  10. 10. the purposes of the 3D printing powder described in claim 8 or 9, for 3D printing handicraft.
    Preferably, the 3D printing powder is for multi items, few yield and dystectic industrialization with extraordinary desired material Production.
    Preferably, the product is dental prosthetic product.
    Preferably, the product is part, component, integral device, apparatus or craftwork.
    Preferably, the 3D printing powder is 3D printing cobalt-chromium-tungsten alloy powder, and the product is in the repairing field of tooth.
CN201711464225.2A 2016-12-29 2017-12-28 A kind of method that spherical 3D printing powder is prepared using plasma Pending CN108247072A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611247222.9A CN106670452A (en) 2016-12-29 2016-12-29 Method for preparing spherical 3D printing powder through plasma shaping
CN2016112472229 2016-12-29

Publications (1)

Publication Number Publication Date
CN108247072A true CN108247072A (en) 2018-07-06

Family

ID=58873025

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201611247222.9A Pending CN106670452A (en) 2016-12-29 2016-12-29 Method for preparing spherical 3D printing powder through plasma shaping
CN201711464225.2A Pending CN108247072A (en) 2016-12-29 2017-12-28 A kind of method that spherical 3D printing powder is prepared using plasma

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201611247222.9A Pending CN106670452A (en) 2016-12-29 2016-12-29 Method for preparing spherical 3D printing powder through plasma shaping

Country Status (2)

Country Link
CN (2) CN106670452A (en)
WO (1) WO2018121688A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107159876A (en) * 2016-03-07 2017-09-15 德国贺利氏有限两合公司 Noble metal powder and its manufacture part in purposes
CN108941596A (en) * 2018-09-03 2018-12-07 湖南伊澍智能制造有限公司 A kind of 3D printing special alloy powder and preparation method thereof
CN109749486A (en) * 2019-01-21 2019-05-14 长沙族兴新材料股份有限公司 The method for being used to prepare the non-floating type aluminium pigment of silver dollar shape
CN110102751A (en) * 2019-04-18 2019-08-09 电子科技大学 Metallic particles anti oxidation layer plasma technology of preparing
CN110449594A (en) * 2019-07-23 2019-11-15 中国航天空气动力技术研究院 A method of it reducing HDH method and titanium valve oxygen content is made
CN110845234A (en) * 2019-12-04 2020-02-28 江西科技师范大学 Spherical hollow ZrTiO4Ceramic powder and preparation method and application thereof
CN114394604A (en) * 2022-01-20 2022-04-26 上海海事大学 Preparation method of superhard spherical tungsten boride powder
CN116056900A (en) * 2020-09-08 2023-05-02 株式会社博迈立铖 Ni-based alloy powder and method for producing laminated molded article using same

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106670452A (en) * 2016-12-29 2017-05-17 江民德 Method for preparing spherical 3D printing powder through plasma shaping
CN107252894A (en) * 2017-06-15 2017-10-17 中北大学 A kind of preparation method of gear division 3D printing cobalt-based composite ceramic powder
CN109524227A (en) * 2017-09-20 2019-03-26 江民德 A kind of production method of neodymium iron boron composite magnetic
CN109290585A (en) * 2018-11-07 2019-02-01 深圳市圆梦精密技术研究院 Prepare the device and preparation method thereof of spherical powder
CN110124591A (en) * 2019-05-29 2019-08-16 郑州大学 Sub-micron or nano particle cladding spherical powder and preparation method thereof
CN112820872B (en) * 2019-11-15 2024-06-07 深圳市贝特瑞纳米科技有限公司 Ternary positive electrode material, preparation method thereof and lithium ion battery
CN111085690B (en) * 2020-01-10 2022-11-01 北京矿冶科技集团有限公司 Spherical rhenium powder plasma preparation method with high powder feeding rate, spherical rhenium powder and rhenium product
CN111318717A (en) * 2020-03-23 2020-06-23 黑龙江省科学院高技术研究院 Regeneration method for recovering metal powder through 3D printing
CN114101693A (en) * 2020-08-31 2022-03-01 厦门稀土材料研究所 Low-oxygen europium nickel powder for 3D printing and preparation method thereof
CN114247894A (en) * 2020-09-25 2022-03-29 安泰天龙钨钼科技有限公司 Method for preparing large-particle-size spherical tungsten powder by radio frequency plasma method
CN114346247A (en) * 2020-09-28 2022-04-15 广东省科学院材料与加工研究所 Wire material for preparing 3D printing alloy powder and powder preparation method
CN113134616B (en) * 2021-04-19 2023-01-17 山东理工大学 Plasma preparation method of metal-based ceramic 3D printing composite powder
CN113134618B (en) * 2021-04-19 2023-01-17 山东理工大学 Metal-based ceramic 3D printing composite powder plasma preparation device
CN113927038A (en) * 2021-10-14 2022-01-14 广东省科学院新材料研究所 TiAl alloy powder for 3D printing and preparation method thereof
CN113941703A (en) * 2021-10-18 2022-01-18 合肥工业大学 Method for preparing spherical bronze powder for 3D printing through microwave heating
CN114653959B (en) * 2022-03-30 2023-04-28 中南大学 Spherical tantalum powder, preparation method thereof and application thereof in 3D printing
CN115041699A (en) * 2022-07-22 2022-09-13 华材(山东)新材料有限公司 Production method of spherical zirconium powder for 3D printing

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101269834A (en) * 2008-05-19 2008-09-24 昆明理工大学 Method for producing nano-ITO powder with plasma electrical arc one-step method
CN102672189A (en) * 2012-05-17 2012-09-19 赣州海盛钨钼集团有限公司 Preparation method of spherical tungsten powder
CN104084594A (en) * 2014-06-05 2014-10-08 中国科学院福建物质结构研究所 Method for preparing microfine spherical niobium powder
EP2789414A1 (en) * 2011-12-06 2014-10-15 Shoei Chemical Inc. Plasma device for production of metal powder
CN105522161A (en) * 2015-12-25 2016-04-27 中国科学院重庆绿色智能技术研究院 Rapid large-scale preparing method for small-grain-size spherical powder for 3D printing
CN105537602A (en) * 2015-12-25 2016-05-04 中国科学院重庆绿色智能技术研究院 Rapid large-scale preparing method for spherical ultra-high-temperature alloy powder for 3D printing
CN105562700A (en) * 2015-12-31 2016-05-11 龙岩紫荆创新研究院 Plasma preparation method of spherical titanium powder for 3D printing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974245A (en) * 1973-12-17 1976-08-10 Gte Sylvania Incorporated Process for producing free flowing powder and product
US3909241A (en) * 1973-12-17 1975-09-30 Gte Sylvania Inc Process for producing free flowing powder and product
CH635050A5 (en) * 1977-12-08 1983-03-15 Alusuisse METHOD FOR MELTING MAGNETICALLY SOFT FERRITES.
CN1004614B (en) * 1987-02-27 1989-06-28 江西九江有色金属冶炼厂 Produce method of spheroidization tantalum powder and products thereof
JP3270118B2 (en) * 1992-07-06 2002-04-02 月島機械株式会社 Method and apparatus for producing spheroidized particles by high-frequency plasma
CN103386492A (en) * 2013-07-19 2013-11-13 江西悦安超细金属有限公司 Preparation method for superfine spherical stainless steel powder
CN106670452A (en) * 2016-12-29 2017-05-17 江民德 Method for preparing spherical 3D printing powder through plasma shaping

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101269834A (en) * 2008-05-19 2008-09-24 昆明理工大学 Method for producing nano-ITO powder with plasma electrical arc one-step method
EP2789414A1 (en) * 2011-12-06 2014-10-15 Shoei Chemical Inc. Plasma device for production of metal powder
CN102672189A (en) * 2012-05-17 2012-09-19 赣州海盛钨钼集团有限公司 Preparation method of spherical tungsten powder
CN104084594A (en) * 2014-06-05 2014-10-08 中国科学院福建物质结构研究所 Method for preparing microfine spherical niobium powder
CN105522161A (en) * 2015-12-25 2016-04-27 中国科学院重庆绿色智能技术研究院 Rapid large-scale preparing method for small-grain-size spherical powder for 3D printing
CN105537602A (en) * 2015-12-25 2016-05-04 中国科学院重庆绿色智能技术研究院 Rapid large-scale preparing method for spherical ultra-high-temperature alloy powder for 3D printing
CN105562700A (en) * 2015-12-31 2016-05-11 龙岩紫荆创新研究院 Plasma preparation method of spherical titanium powder for 3D printing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
盛艳伟等: "射频等离子体制备球形钛粉", 《稀有金属材料与工程》 *

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107159876B (en) * 2016-03-07 2019-11-19 德国贺利氏有限两合公司 Noble metal powder and its purposes in manufacture component
CN107159876A (en) * 2016-03-07 2017-09-15 德国贺利氏有限两合公司 Noble metal powder and its manufacture part in purposes
US10744590B2 (en) 2016-03-07 2020-08-18 Haraeus Deutschland Gmbh & Co. Kg Noble-metal powder and the use thereof for producing components
CN108941596A (en) * 2018-09-03 2018-12-07 湖南伊澍智能制造有限公司 A kind of 3D printing special alloy powder and preparation method thereof
CN109749486A (en) * 2019-01-21 2019-05-14 长沙族兴新材料股份有限公司 The method for being used to prepare the non-floating type aluminium pigment of silver dollar shape
CN110102751A (en) * 2019-04-18 2019-08-09 电子科技大学 Metallic particles anti oxidation layer plasma technology of preparing
CN110102751B (en) * 2019-04-18 2021-04-30 电子科技大学 Plasma preparation technology for metal particle oxidation resistant layer
CN110449594B (en) * 2019-07-23 2022-05-24 中国航天空气动力技术研究院 Method for reducing oxygen content of titanium powder prepared by hydrogenation and dehydrogenation method
CN110449594A (en) * 2019-07-23 2019-11-15 中国航天空气动力技术研究院 A method of it reducing HDH method and titanium valve oxygen content is made
CN110845234A (en) * 2019-12-04 2020-02-28 江西科技师范大学 Spherical hollow ZrTiO4Ceramic powder and preparation method and application thereof
CN110845234B (en) * 2019-12-04 2021-10-29 江西科技师范大学 Spherical hollow ZrTiO4Ceramic powder and preparation method and application thereof
CN116056900A (en) * 2020-09-08 2023-05-02 株式会社博迈立铖 Ni-based alloy powder and method for producing laminated molded article using same
CN114394604A (en) * 2022-01-20 2022-04-26 上海海事大学 Preparation method of superhard spherical tungsten boride powder
CN114394604B (en) * 2022-01-20 2024-04-02 上海海事大学 Preparation method of superhard spherical tungsten boride powder

Also Published As

Publication number Publication date
WO2018121688A1 (en) 2018-07-05
CN106670452A (en) 2017-05-17

Similar Documents

Publication Publication Date Title
CN108247072A (en) A kind of method that spherical 3D printing powder is prepared using plasma
CN106166617B (en) A kind of preparation method of 3D printing titanium alloy powder
CN109112346B (en) Preparation method of copper alloy powder for additive manufacturing
CN107900367B (en) Novel atomizer of titanium and titanium alloy powder for 3D printing
CN103752836B (en) A kind of method preparing fine grain spherical niobium titanium base alloy powder
CN105950947B (en) Rich iron high-entropy alloy powder body material and preparation method thereof for 3D printing
CN103846447B (en) The aerosolization preparation method of a kind of superfine spherical titanium or titanium alloy powder
CN102717086B (en) Method for preparing high-niobium titanium-aluminum alloy spherical micro powder in short process
CN107900366B (en) Device and method for continuously preparing titanium or titanium alloy powder for 3D printing through gas atomization
CN104475744A (en) Device and method for preparing spherical titanium powder and titanium alloy powder through gas atomization
CN105950944B (en) A kind of high-melting-point high-entropy alloy NbMoTaWVTi and preparation method thereof
CN105499558B (en) A kind of spherical rhenium alloys powder and preparation method thereof, application
CN101391307A (en) Preparation method of fine globular tungsten powder
CN105618771A (en) Radio frequency plasma preparation method and device for micro spherical titanium powder
CN104227008B (en) A kind of preparation method of titanium zirconium German silver solder powder
CN108031854B (en) Method for modifying metal powder interface for 3D printing
CN103757514A (en) High-entropy AlCoCrFeNiCuC alloy and preparation method thereof
CN110340371A (en) A kind of preparation method of granule intensified titanium-base compound material increasing material manufacturing powder
CN105642905B (en) A kind of plasma preparation method of nickel-base alloy spherical powder
CN106001566A (en) High-strength high-entropy alloy NbMoTaWV and preparation method thereof
CN109234599A (en) A kind of High Performance W alloy bar and preparation method thereof
CN107971499A (en) The method for preparing spherical titanium aluminium-based alloyed powder end
CN102660695A (en) Copper wire and method for preparing shielding copper wire mesh
CN112662929A (en) Refractory high-entropy alloy and preparation method thereof
CN112981231A (en) High-manganese-nitrogen austenitic stainless steel powder and preparation method thereof

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