CN107414091A - A kind of preparation system and method for the enhanced titanium alloy powder of nano ceramics - Google Patents
A kind of preparation system and method for the enhanced titanium alloy powder of nano ceramics Download PDFInfo
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- CN107414091A CN107414091A CN201710696335.5A CN201710696335A CN107414091A CN 107414091 A CN107414091 A CN 107414091A CN 201710696335 A CN201710696335 A CN 201710696335A CN 107414091 A CN107414091 A CN 107414091A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- 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
- B22F2009/0836—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 electric or magnetic field or induction
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- 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
Abstract
The present invention provides a kind of preparation system and method for the enhanced titanium alloy powder of nano ceramics, and method includes：The high pressure argon gas for carrying nano ceramic powder is pooled to the spray-hole of annular appendix by argon gas nebulization channel, and the air curtain for carrying nano ceramic powder is sprayed and formed downwards, and continuously it is pooled to the position of the vertex of a cone, collided with the liquid of titanium alloy rod bar drippage, titanium alloy drop is broken up in the position of the vertex of a cone and is formed titanium alloy spherical fine powder；Meanwhile dispersed nano ceramic powder is driven into titanium alloy spherical fine powder in gases at high pressure, and evenly spread to break up after in the titanium alloy spherical fine powder that is formed, ultimately form the titanium alloy spherical fine powder for being evenly distributed with nano ceramic powder.Advantage is：The enhanced titanium alloy powder that nano-ceramic particle is deep into inside Titanium Powder body can be prepared in the present invention, also, fine powder recovery rate is higher, so as to meet the needs of specific area.
Description
Technical field
The invention belongs to high activity metal powder preparing technical field, and in particular to a kind of nano ceramics strengthens Type Titanium Alloy
The preparation system and method for powder.
Background technology
For titanium elements in global distribution than wide, its content exceedes the 0.4% of earth crustal mass, global proved reserves about 34
Hundred million tons, content occupies the 10th in all elements, and preceding 10 bit element is ordered as：Oxygen, silicon, aluminium, iron, calcium, sodium, potassium, magnesium, hydrogen,
Titanium.Titanium is smaller than steel density by 40%, and the intensity of titanium and the intensity of steel are suitable, and this can improve structure efficiency.Meanwhile titanium is heat-resisting
Property, corrosion resistance, elasticity, elastoresistance and shaping processability are good.Titanium alloy is just applied to aircraft industry from occurring.Space shuttle
It is airborne vehicle that is main, having a wide range of application.Titanium is the primary structural material of aircraft, and aerial engine fan, compressor
The preferred material of the important component such as wheel disc and blade, it is described as " space metal ".Aircraft is more advanced, and titanium dosage is more, such as the U.S.
F22 forth generation machines Ti content is 41% (mass fraction), and its F119 engines Ti content is 39%, is to use Ti content at present
High aircraft.For titanium alloy research origin in aviation, the development of aircraft industry also promotes the development of titanium alloy.Titanium Alloys for Aviation
Research be always an important, active branch in titanium alloy field.In aerospace field, there are many titanium alloy parts
All there is labyrinth characteristic, the methods of using powder metallurgy and 3D printing manufacture more.Therefore, titanium alloy needs previously prepared
Into powder morphology, could be used in above-mentioned field.Titanium alloy has very high activity under high-temperature atmosphere, and in the molten state
Reacted with multiple element, cause the preparation of titanium alloy powder different from the preparation method of conventional metal powder.
At present, prepare titanium alloy powder is equipped with rotary electrode method and gas atomization.Rotary electrode method is adapted to produce
Granularity is the powder between 75~150 μm, due to unstability of the titanium alloy electrode bar under high speed rotation state, current nothing
Method produces the powder that granularity is less than 50 μm by improving rotating speed；And powder size prepared by gas atomization can be 0~150
Adjusted between μm, especially producing powder of the granularity less than 50 μm has advantage, is the current unique production method of titanium alloy fine powder.Should
Method is made special equipment and produced in Europe (such as Germany) and North America (such as Canada) country.
Prepare titanium alloy powder field in aerosolization, the major way used at present for：Set in the bottom of titanium alloy bar
Heating coil is melted, the bottom of titanium alloy bar is directly heated by melting heating coil, until titanium alloy bar is fused into liquid drop
Fall.The titanium alloy drop of drippage through atomization, forms powder again.At present, such equipment can only manufacture the Titanium Powder of single component
End, and fine powder recovery rate is than relatively low.
The content of the invention
The defects of existing for prior art, the present invention provide a kind of preparation system of the enhanced titanium alloy powder of nano ceramics
System and method, can effectively solve the above problems.
The technical solution adopted by the present invention is as follows：
The present invention provides a kind of preparation system of the enhanced titanium alloy powder of nano ceramics, including：Argon gas atomization plant, receive
Rice ceramic powders conveying device, argon gas nebulization channel and radio-frequency induction coil；
The argon gas atomization plant includes annular appendix (1), and the surface of the annular appendix (1) is evenly distributed some
Individual spray-hole (2), the outgassing direction of each spray-hole (2) are direction obliquely, also, each spray-hole (2)
Outgassing direction converges to the position of a vertex of a cone (3)；The annular appendix (1) also has air admission hole, the air admission hole and institute
Argon gas nebulization channel is stated to be connected；The argon gas nebulization channel is connected with the nano ceramic powder conveying device；The high frequency sense
Answer coil to be located at the underface of the annular appendix (1), also, the extended line at the center of the radio-frequency induction coil with it is described
The vertex of a cone (3) is intersecting.
The present invention provides a kind of nano ceramics of the preparation system based on the above-mentioned enhanced titanium alloy powder of nano ceramics
The preparation method of enhanced titanium alloy powder, comprises the following steps：
Step 1, the prefabricated nano ceramic powder got ready is fitted into nano ceramic powder conveying device；By titanium alloy rod bar
The center of radio-frequency induction coil is fixedly installed in, makes the axially-extending line of titanium alloy rod bar by the position of the vertex of a cone (3)；
Step 2, then, argon gas atomization plant carries out forvacuum processing, in this forvacuum processing, nano-ceramic powder
Last conveying device also reaches below 0.1Pa by forvacuum；
Step 3, radio-frequency induction coil is started, meanwhile, make argon gas nebulization channel to annular appendix (1) conveying high-pressure argon
Gas；
On the one hand, titanium alloy rod bar is run downwards, also, the end of the titanium alloy rod bar run downwards passes through high-frequency induction
The induced-current of coil is fused into continuous drop and dripped downwards；On the other hand, because high pressure argon gas and nano ceramic powder convey
Nano ceramic powder in device communicates, and therefore, the high pressure argon gas for carrying nano ceramic powder converges by argon gas nebulization channel
Collect the spray-hole (2) of annular appendix (1), and spray and formed the air curtain for carrying nano ceramic powder downwards, and continuously
The position of the vertex of a cone (3) is pooled to, is collided with the liquid of titanium alloy rod bar drippage, makes titanium alloy drop in the position of the vertex of a cone (3)
Put and broken up and form titanium alloy spherical fine powder；Meanwhile dispersed nano ceramic powder is driven into titanium conjunction in gases at high pressure
In golden spherical fine powder, and evenly spread to break up after in the titanium alloy spherical fine powder that is formed, ultimately form and be evenly distributed with nanometer
The titanium alloy spherical fine powder of ceramic powders.
Preferably, the nano ceramic powder is the nano ceramic powder of single component, or is at least two nanometers of potteries
The mixing nano ceramic powder that porcelain powder is formed.
Preferably, the nano ceramic powder is TiC or TiN.
Preferably, in step 3, by adjusting the pressure of argon gas nebulization channel and receiving in nano ceramic powder conveying device
Rice ceramic powders weight, control carries the ejection flow of the high pressure argon gas of nano ceramic powder, and then adjusts and be finally prepared into
To the volume fraction that nano ceramic powder in the titanium alloy spherical fine powder of nano ceramic powder is distributed with, acquisition there are different increasings
Potent fruit and the alloy powder of different performance.
Preferably, in step 3, the downward speed of service of titanium alloy rod bar is 15-40mm/min；The power of radio-frequency induction coil
For 40-80KW；The feed flow of nano ceramic powder is 50-300g/min；The pressure of high pressure argon gas is 2-6Mpa；What is used receives
The granularity of rice ceramic powder stock is 50-200nm.
The preparation system and method for the enhanced titanium alloy powder of a kind of nano ceramics provided by the invention have advantages below：
The enhanced titanium alloy powder that nano-ceramic particle is deep into inside Titanium Powder body can be prepared in the present invention, and
And fine powder recovery rate is higher, so as to meet the needs of specific area.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of the preparation method of the enhanced titanium alloy powder of nano ceramics provided by the invention；
Fig. 2 is a kind of structural representation of the preparation system of the enhanced titanium alloy powder of nano ceramics provided by the invention；
Fig. 3 is that nano-ceramic particle provided by the invention strengthens powder formation basic theory figure；
Wherein：1- annular appendixs；2- spray-holes；The 3- vertex of a cones；4- titanium alloy rod bars；5- contains the argon gas gas of nano particle
Stream；6- titanium alloys melt drop；7- breaks up the final titanium alloy spherical fine powder that nano ceramic powder is distributed with of droplet formation.
Embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein only to
The present invention is explained, is not intended to limit the present invention.
Metal 3D printing technique has more far-reaching development potentiality, is not only able to shape zero, the metal of labyrinth
Part, and for application material, with more flexibility and high-performance, thus it is possible to vary the composition of traditional raw material forms to obtain
The more excellent part of performance.In this field, powdering formula laser 3D printing technology needs the fine powder using 0-53 microns
As raw material, nano-ceramic particle can be used to carry out Material reinforcement technology, and the adding method of nano-ceramic particle is the skill
The core of art.Property is enlivened for titanium alloy, nano-ceramic particle is added using forging type, then carries out metal liquid mist
Changing the method for powder processed can not realize.Therefore, how effectively to realize and nano-ceramic particle is added to titanium alloy powder, be mesh
The problem of preceding in the urgent need to address.
Property is enlivened for titanium alloy, nano-ceramic particle is added using forging type, then carries out metal liquid mist
Changing the method for powder processed can not realize.
Therefore, the present invention proposes a kind of system of the enhanced titanium alloy powder of nano ceramics for the adding technique of ceramic particle
Standby system, it is the device that a kind of continuous smelting atomization prepares titanium alloy fine powder at high proportion, with reference to figure 2, including：Argon gas is atomized
Equipment, nano ceramic powder conveying device, argon gas nebulization channel and radio-frequency induction coil；
Argon gas atomization plant includes annular appendix 1, several evenly distributed spray-holes 2 of surface of annular appendix 1, respectively
The outgassing direction of individual spray-hole 2 is direction, also, the outgassing direction of each spray-hole 2 converges to the position of a vertex of a cone 3 obliquely
Put；Annular appendix 1 also has air admission hole, and air admission hole is connected with argon gas nebulization channel；Argon gas nebulization channel and nano-ceramic powder
Last conveying device is connected；Radio-frequency induction coil is located at the underface of annular appendix 1, also, the center of radio-frequency induction coil
Extended line intersects with the vertex of a cone 3.
Based on the preparation system of the enhanced titanium alloy powder of above-mentioned nano ceramics, with reference to figure 1 and Fig. 3, nano ceramics enhancing
The preparation method of Type Titanium Alloy powder, comprises the following steps：
Step 1, the prefabricated nano ceramic powder (for example, nano ceramic powder is TiC or TiN) got ready is loaded into nanometer pottery
In porcelain powder conveying device；Titanium alloy rod bar is fixedly installed in the center of radio-frequency induction coil, makes titanium alloy rod bar
The position that axially-extending line passes through the vertex of a cone 3；
Step 2, then, argon gas atomization plant carries out forvacuum processing, in this forvacuum processing, nano-ceramic powder
Last conveying device also reaches below 0.1Pa by forvacuum；
After pre- evacuation terminates, the process of argon purge argon gas atomization plant, in the process, nano ceramics can be increased
Powder conveying device does not start first, and after cleaning atomization plant terminates, powder atomization enters normal preparedness.
Step 3, radio-frequency induction coil is started, meanwhile, make argon gas nebulization channel to the annular conveying high-pressure argon gas of appendix 1；
On the one hand, titanium alloy rod bar is run downwards, also, the end of the titanium alloy rod bar run downwards passes through high-frequency induction
The induced-current of coil is fused into continuous drop and dripped downwards；On the other hand, because high pressure argon gas and nano ceramic powder convey
Nano ceramic powder in device communicates, and therefore, the high pressure argon gas for carrying nano ceramic powder converges by argon gas nebulization channel
Collect the spray-hole 2 of annular appendix 1, and spray and formed the air curtain for carrying nano ceramic powder downwards, and continuously collect
To the position of the vertex of a cone 3, collided with the liquid of titanium alloy rod bar drippage, titanium alloy drop is broken up in the position of the vertex of a cone 3
And form titanium alloy spherical fine powder；Meanwhile to be driven into titanium alloy spherical thin for dispersed nano ceramic powder in gases at high pressure
In powder, and evenly spread to break up after in the titanium alloy spherical fine powder that is formed, ultimately form and be evenly distributed with nano ceramic powder
Titanium alloy spherical fine powder.
In this step, following technological parameter specifically can control：The downward speed of service of titanium alloy rod bar is 15-40mm/min；
The power of radio-frequency induction coil is 40-80KW；The feed flow of nano ceramic powder is 50-300g/min；The pressure of high pressure argon gas
Power is 2-6Mpa；The granularity of the nano-ceramic powder powder stock used is 50-200nm.
For above-mentioned technique, emphasis carries out following remark additionally：
(1) because nano ceramic powder conveying device is connected with argon gas injection channel, by adjusting argon gas injection channel
Pressure and the powder weight in nano ceramic powder conveying device, it can further control the ejection flow of ceramic powders.Pass through control
The ejection flow of nano ceramic powder processed, the volume fraction of final obtained enhancing particle can be adjusted, obtains different enhancings
Effect, the alloy powder of different performance is obtained, for different demands field.
(2) during nano ceramic powder ejects, there are two kinds of Main changes：First, with compared with atmospheric pressure
Reunion is untied in argon gas stream, has obtained nano ceramic powder more sufficiently scattered；Second, in the air curtain that argon gas stream is formed
The summit of air curtain circular cone finally is converged to, and is collided with the titanium alloy liquid stream to drop down, into titanium alloy liquid stream
Portion, and spherical powder is divided to form by the aerosol dispersion effect of air-flow.So, nano ceramic powder can be uniformly distributed
Into titanium alloy spherical powder, the ceramic powders without entering in titanium alloy powder dispersed can also adhere to titanium conjunction
The surface at bronze end, as satellite powder.
The ceramic particle being present in inside titanium alloy spherical powder is in the majority, and the satellite powder of outer surface is a small amount of.It is such to defend
In subsequent powdering formula laser fusion 3D printing shaping, ceramic powder particle can uniformly be separated out point star powder by laser fusion
Cloth turns into the main contributions of Section 2 dispersion-strengtherning in the heterogeneous microstructure of titanium alloy, improves titanium alloy high-temperature intensity.
(3) present invention can be such that nano-ceramic particle is deep into inside Titanium Powder body, obtain inside and carry nano ceramics
The titanium alloy powder of grain.In addition, the species by controlling nano-ceramic particle, can obtain the titanium alloy that a variety of nano ceramics strengthen
Powder.Also, a variety of nano-ceramic particles can be mixed and form composite strengthening mechanism, obtain the alloyed powder of composite strengthening pattern
Body.
(4) nano-ceramic particle not only strengthens alloy bulk, and when combining ejection with gases at high pressure, adds in the past
The kinetic energy of pure gases at high pressure, powder can be more refined, so as to obtain the high powder of fine powder recovery rate.
(5) nano-ceramic particle can be made to be distributed in by the impact of gases at high pressure and even dispersion inside powder, reached
The effect of homogenization.
Using the invention thought of this method, crucible melting legal system can be extended to and take the enhanced powder of nano-ceramic particle
Body, such as high temperature alloy, stainless steel, aluminium alloy.It is still using gases at high pressure conveying nano-ceramic particle and dispels alloy height
The pattern for being formed by crucible induction melting of the mode of geothermal liquid stream, only liquid flow, and formed using packet mode is poured
Liquid stream.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
Depending on protection scope of the present invention.
Claims (6)
- A kind of 1. preparation system of the enhanced titanium alloy powder of nano ceramics, it is characterised in that including：Argon gas atomization plant, receive Rice ceramic powders conveying device, argon gas nebulization channel and radio-frequency induction coil；The argon gas atomization plant includes annular appendix (1), several evenly distributed sprays of surface of the annular appendix (1) Perforation (2), the outgassing direction of each spray-hole (2) is direction, also, the outlet of each spray-hole (2) obliquely Direction converges to the position of a vertex of a cone (3)；The annular appendix (1) also has air admission hole, the air admission hole and the argon Aerosolization passage is connected；The argon gas nebulization channel is connected with the nano ceramic powder conveying device；The radio-frequency induction coil Circle is located at the underface of the annular appendix (1), also, the extended line at the center of the radio-frequency induction coil and the vertex of a cone (3) intersect.
- A kind of 2. nano ceramics enhancing of preparation system of the enhanced titanium alloy powder of nano ceramics based on described in claim 1 The preparation method of Type Titanium Alloy powder, it is characterised in that comprise the following steps：Step 1, the prefabricated nano ceramic powder got ready is fitted into nano ceramic powder conveying device；Titanium alloy rod bar is fixed The center of radio-frequency induction coil is installed on, makes the axially-extending line of titanium alloy rod bar by the position of the vertex of a cone (3)；Step 2, then, argon gas atomization plant carries out forvacuum processing, and in this forvacuum processing, nano ceramic powder is defeated Device is sent also to reach below 0.1Pa by forvacuum；Step 3, radio-frequency induction coil is started, meanwhile, make argon gas nebulization channel to annular appendix (1) conveying high-pressure argon gas；On the one hand, titanium alloy rod bar is run downwards, also, the end of the titanium alloy rod bar run downwards passes through radio-frequency induction coil Induced-current be fused into continuous drop and drip downwards；On the other hand, due to high pressure argon gas and nano ceramic powder conveying device In nano ceramic powder communicate, therefore, the high pressure argon gas for carrying nano ceramic powder is pooled to by argon gas nebulization channel The spray-hole (2) of annular appendix (1), and the air curtain for carrying nano ceramic powder is sprayed and formed downwards, and continuously collect To the position of the vertex of a cone (3), collided with the liquid of titanium alloy rod bar drippage, make titanium alloy drop in the position quilt of the vertex of a cone (3) Break up and form titanium alloy spherical fine powder；Meanwhile dispersed nano ceramic powder is driven into titanium alloy ball in gases at high pressure In shape fine powder, and evenly spread to break up after in the titanium alloy spherical fine powder that is formed, ultimately form and be evenly distributed with nano ceramics The titanium alloy spherical fine powder of powder.
- 3. the preparation method of the enhanced titanium alloy powder of nano ceramics according to claim 2, it is characterised in that described to receive Rice ceramic powders are the nano ceramic powder of single component, or the mixing nanometer pottery formed at least two nano ceramic powders Porcelain powder.
- 4. the preparation method of the enhanced titanium alloy powder of nano ceramics according to claim 2, it is characterised in that described to receive Rice ceramic powders are TiC or TiN.
- 5. the preparation method of the enhanced titanium alloy powder of nano ceramics according to claim 2, it is characterised in that step 3 In, by adjusting the pressure of argon gas nebulization channel and the nano ceramic powder weight in nano ceramic powder conveying device, control Carry the ejection flow of the high pressure argon gas of nano ceramic powder, so adjust finally be prepared nano-ceramic powder is distributed with The volume fraction of nano ceramic powder in the titanium alloy spherical fine powder at end, obtain the conjunction with different enhancing effects and different performance Bronze body.
- 6. the preparation method of the enhanced titanium alloy powder of nano ceramics according to claim 2, it is characterised in that step 3 In, the downward speed of service of titanium alloy rod bar is 15-40mm/min；The power of radio-frequency induction coil is 40-80KW；Nano-ceramic powder The feed flow at end is 50-300g/min；The pressure of high pressure argon gas is 2-6Mpa；The granularity of the nano-ceramic powder powder stock of use For 50-200nm.
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Cited By (5)
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| CN108015295A (en) * | 2017-12-29 | 2018-05-11 | 北京康普锡威科技有限公司 | A kind of preparation method of increasing material manufacturing metal-based nano composite powder material |
| CN109530713A (en) * | 2018-12-30 | 2019-03-29 | 北京康普锡威科技有限公司 | A kind of device preparing composite metal powder, method and composite metal powder |
| CN109535900A (en) * | 2018-10-16 | 2019-03-29 | 深圳市信维通信股份有限公司 | A kind of shielding piece and preparation method thereof |
| CN110253029A (en) * | 2019-06-21 | 2019-09-20 | 燕山大学 | A kind of granule enhancement type pre-alloyed powder and the preparation method and application thereof |
| CN113245544A (en) * | 2021-06-08 | 2021-08-13 | 西安欧中材料科技有限公司 | Device and method for preparing metal-ceramic coated powder |
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| CN109530713B (en) * | 2018-12-30 | 2022-02-18 | 北京康普锡威科技有限公司 | Device and method for preparing composite metal powder and composite metal powder |
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