CN107876794A - The Mo powder of increasing material manufacturing, the preparation method of Mo alloy spherical powder - Google Patents
The Mo powder of increasing material manufacturing, the preparation method of Mo alloy spherical powder Download PDFInfo
- Publication number
- CN107876794A CN107876794A CN201711397091.7A CN201711397091A CN107876794A CN 107876794 A CN107876794 A CN 107876794A CN 201711397091 A CN201711397091 A CN 201711397091A CN 107876794 A CN107876794 A CN 107876794A
- Authority
- CN
- China
- Prior art keywords
- alloy
- electrode
- powder
- reative cell
- bars
- 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
- B22F9/14—Making metallic powder or suspensions thereof using physical processes using electric discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The Mo powder of increasing material manufacturing, the preparation method of Mo alloy spherical powder, step are：1）Mo the and Mo alloy bars of melting are carried out being finish-machined to Mo electrode bars and Mo alloy electrode rods；2）Mo electrode bars and Mo alloy electrode rods are loaded respectively into reative cell, and reative cell is vacuumized, is filled with inert gas to reative cell according to a certain percentage；3) plasma gun includes tungsten cathode and copper anode, Mo electrode bars and Mo alloy electrode rods do not do electrode, Mo electrode bars and Mo alloy electrode stick ends are heated, make end uniform melt, atomized drop is thrown out of from Mo electrode bars and Mo alloy electrode stick ends, drop is quickly cooled to spheric granules in inert gas environment, falls into collector；4）Obtained Mo powder and Mo alloy powders are sieved and packed under inert gas shielding environment；Mo powder and Mo alloy powders prepared by this method have ultra-fine, high-purity, it is high-grade it is spherical, without hollow powder and the characteristics of satellite powder.
Description
Technical field
The invention belongs to increases material manufacturing technology field, and in particular to Mo powder, the Mo alloy spherical powder of increasing material manufacturing
Preparation method.
Background technology
Mo and Mo alloys are because with intensity is high, hardness is good, wearability and thermal conductivity are excellent, the coefficient of expansion is small, anti-corrosion
Performance is good, thermal shock resistance and the features such as good moldability, thus is widely used in steel, electric, intermetallic composite coating, aviation boat
My god, the field such as nuclear industry.Such as：Mo and Mo alloys can be used as the aircraft jet engine under 1000~1650 DEG C of conditions of work
Combustion gas impeller blade, guide vane, nozzle, nose cone, impact engine jet pipe, flame deflector and combustion chamber etc., are alternatively arranged as space
High temperature resistant components such as covering, jet pipe, flame baffle and the aerofoil of cosmos aircraft etc..
With the fast development of increases material manufacturing technology, to its most important raw material --- metal dust it is also proposed new
It is required that.In the 7th laser gain material manufacture seminar that the U.S. in 2015 is held, President of the General Assembly Ingomar Kelbassa are pointed out,
For metal increases material manufacturing technology, select the metal dust of high quality extremely important, the significant shadow of quality of metal dust
Ring the quality of final products.Compared with other PM techniques, performance control needs of the increases material manufacturing technology for powder
It is higher, it is necessary to meet that tiny powder diameter, narrower particle size distribution, sphericity height, good fluidity and apparent density height etc. require.From
From the point of view of current Mo and Mo alloy powder conventional fabrication techniques, Mo and Mo alloy powders prepared by traditional handicraft are primarily present purity
Deficiency low, output capacity is low, productivity ratio is low, and pattern be present and do not advise in Mo the and Mo alloy powder performances of traditional handicraft preparation
Then, the defects of apparent density is small, poor fluidity, it is difficult to meet the needs of increases material manufacturing technology.
The content of the invention
For overcome the deficiencies in the prior art, it is an object of the invention to provide the Mo powder of increasing material manufacturing, Mo alloying pellets
The preparation method of shape powder, solve conventional method and prepare that the powder shape occurred in metal Mo and Mo alloy process is bad, powder
The problem of last poor fluidity；Ensure increasing material manufacturing Mo and Mo alloy spherical powdered ingredients uniformly, fine microstructures, excellent performance,
Meet the requirement of engineer applied.
To achieve the above object, the technical solution adopted by the present invention is：The system of the Mo alloy spherical powder of increasing material manufacturing
Preparation Method, comprise the following steps：
1）By the ingredient composition of Mo alloys, using vacuum induction melting and electroslag remelting process melting Mo alloy bars；
2）Finishing processing is carried out to the Mo alloy bars of melting into Mo alloy electrode rods, the Mo alloy electrode rods after processing it is a diameter of
10-100mm, length 600-800mm, roundness deviation are less than 0.05mm, and linearity deviation is less than 0.1mm/m, and roughness is less than
1.5μm；
3）Mo alloy electrode rods are loaded into reative cell, 10 are evacuated to reative cell-3~10-2Pa, helium is filled with to reative cell
Gas, argon gas or helium are argon-mixed, make cavity indoor pressure be 0.01~1MPa, and oxygen content is less than 0.1wt% in atmosphere；
4）The plasma gun power of PREP powder manufacturing apparatuses is 100~300kW, and plasma gun includes tungsten cathode and copper anode, and Mo is closed
Gold electrode rod does not do electrode, and plasma gun heats to Mo alloy electrodes stick end, makes Mo alloy electrode stick ends uniform melt, Mo
Alloy electrode rod rotating speed is 10000-20000r/min, and atomized drop is got rid of from Mo alloy electrodes stick end under the action of the centrifugal force
Go out, form drop, drop is quickly cooled to spheric granules in inert gas environment, falls into reative cell bottom collector, obtain
Obtain Mo alloy powders；
5）Under inert gas shielding, obtained Mo alloy powders are sieved and packed.
Described Mo alloyed powders particle mean size is 40 μm -200 μm.
Described Mo alloy powder particles sphericity is more than 98%.
The preparation method of the Mo powder of increasing material manufacturing, comprises the following steps：
1）According to pure Mo ingredient compositions, using vacuum induction melting and electroslag remelting process melting Mo rods；
2）To the Mo rods finishing processing of melting into Mo electrode bars, a diameter of 10-100mm of the Mo electrode bars after processing, length
For 600-800mm, roundness deviation is less than 0.05mm, and linearity deviation is less than 0.1mm/m, and roughness is less than 1.5 μm；
3）Mo electrode bars are loaded into reative cell, 10 are evacuated to reative cell-3~10-2Pa, helium, argon gas are filled with to reative cell
Or helium is argon-mixed, cavity indoor pressure is set to be 0.01 ~ 1MPa, oxygen content is less than 0.1wt% in atmosphere；
4）The plasma gun power of PREP powder manufacturing apparatuses is 100-300kW, and plasma gun includes tungsten cathode and copper anode, Mo electrodes
Rod does not do electrode, and plasma gun makes Mo electrode stick ends uniform melt, electrode bar rotating speed is to Mo electrode bar end heats
10000-20000r/min, atomized drop are thrown out of from Mo electrode stick ends under the action of the centrifugal force, form drop, drop is lazy
Property gaseous environment in be quickly cooled to spheric granules, fall into reative cell bottom collector, obtain Mo powder；
5）Under inert gas shielding, to obtained Mo powder sievings and packaging.
Described Mo powder mean particle sizes are 40 μm -200 μm.
Described Mo powder particles sphericity is more than 98%.
The beneficial effects of the invention are as follows：
The present invention uses untransferable arc plasma rotating electrode processing, and under the conditions of ultrahigh rotating speed, high-quality, high ball can be made
The Mo powder and Mo alloyed powders of shape degree, disclosure satisfy that the application demand of increases material manufacturing technology.
The present invention can obtain Mo the and Mo alloyed powders that particle mean size is 40 μm -200 μm by adjusting process parameter, especially can
The superfines that particle mean size is less than 60 μm is enough made, field trash is less than 8/kg, and pulverizing process oxygenation amount is in 100-1000ppm
In the range of it is controllable；And ensure that the sphericity of powder is more than 98%.
Brief description of the drawings
Fig. 1 is the stereoscan photograph of Mo and Mo alloyed powders of the present invention.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
The preparation method of the Mo alloy spherical powder of increasing material manufacturing, comprises the following steps：
1）By the ingredient composition of Mo alloys, using vacuum induction melting and electroslag remelting process melting Mo alloy bars；
2）Finishing processing is carried out into Mo alloy electrode rods to the Mo alloy bars of melting, the Mo alloy electrode rods after processing are a diameter of
55mm, length 700mm, roundness deviation 0.03mm, linearity deviation 0.045mm/450mm, 1.22 μm of roughness；
3）Mo alloy electrode rods are loaded into reative cell, 2 × 10 are evacuated to reative cell-3Pa, helium is filled with to reative cell,
Cavity indoor pressure is set to be 0.13MPa, oxygen content is less than 0.1wt% in atmosphere；
4）The plasma gun power of PREP powder manufacturing apparatuses is 200kW, and plasma gun includes tungsten cathode and copper anode, Mo alloy electrodes
Rod does not do electrode, and plasma heats to Mo alloy electrode stick ends, and Mo alloy electrode rods rotating speed is 10000r/min, is made
End uniform melt, atomized drop are thrown out of from Mo alloy electrode stick ends and form drop under the action of the centrifugal force, and drop exists
Spheric granules is quickly cooled in inert gas environment, is fallen into reative cell bottom collector；
5）Under inert gas shielding, obtained Mo alloyed powders are sieved and packed.
Described Mo alloy powders particle mean size is 55 μm.
Embodiment 2
The preparation method of the Mo alloy spherical powder of increasing material manufacturing, comprises the following steps：
1）According to the ingredient composition of Mo alloys, using vacuum induction melting and electroslag remelting process melting Mo alloy bars；
2）Finishing processing is carried out to the Mo alloy bars of melting into Mo alloy electrode rods, the Mo alloy electrode rods after processing it is a diameter of
10mm, length 600mm, roundness deviation 0.025mm, linearity deviation 0.025mm/650mm, 0.58 μm of roughness；
3）Mo alloy electrode rods are loaded into reative cell, 7 × 10 are evacuated to reative cell-3Pa, argon gas is filled with to reative cell,
It is 0.14MPa to make cavity indoor pressure；
4）The plasma gun power of PREP powder manufacturing apparatuses is 100kW, and plasma gun includes tungsten cathode and copper anode, Mo alloy electrodes
Rod does not do electrode, and plasma heats to Mo alloy electrode stick ends, and Mo alloy electrode rods rotating speed is 20000r/min, is made
End uniform melt, atomized drop are thrown out of from Mo alloy electrode stick ends and form drop under the action of the centrifugal force, and drop exists
Spheric granules is quickly cooled in inert gas environment, is fallen into reative cell bottom collector, obtains Mo alloy powders；
5）Under inert gas shielding, obtained Mo alloy powders are sieved and packed；
Described Mo alloy powders particle mean size is 51 μm；
Described step 4）Mo alloy powders sphericity is 99.6%.
Embodiment 3
The preparation method of the Mo alloy spherical powder of increasing material manufacturing, comprises the following steps：
1）According to the ingredient composition of Mo alloys, using vacuum induction melting and electroslag remelting process melting Mo alloy bars；
2）Finishing processing is carried out to the Mo alloy bars of melting into Mo alloy electrode rods, the Mo alloy electrode rods after processing it is a diameter of
100mm, length 800mm, roundness deviation 0.06mm, linearity deviation 0.04mm/800mm, 1.23 μm of roughness；
3）Mo alloy electrode rods are loaded into reative cell, 3 × 10 are evacuated to reative cell-3Pa, to reative cell be filled with helium and
The mixed gas of argon gas, it is 0.14MPa to make cavity indoor pressure；
4）The plasma gun power of PREP powder manufacturing apparatuses is 300kW, and plasma gun includes tungsten cathode and copper anode, Mo alloy electrodes
Rod does not do electrode, and plasma heats to Mo alloy electrode stick ends, and Mo alloy electrode rods rotating speed is 15000r/min, is made
End uniform melt, atomized drop are thrown out of from Mo alloy electrode stick ends and form drop under the action of the centrifugal force, and drop exists
Spheric granules is quickly cooled in inert gas environment, is fallen into reative cell bottom collector, obtains Mo alloy powders；
5）Under inert gas shielding, obtained Mo alloy powders are sieved and packed.
Described Mo alloy powders particle mean size is 65 μm.
Described step 4）Mo alloy powders sphericity be 99.7%.
Embodiment 4
The preparation method of the Mo powder of increasing material manufacturing, comprises the following steps：
1）By pure Mo ingredient composition, using vacuum induction melting and electroslag remelting process melting Mo rods；
2）Finishing processing is carried out to the Mo rods of melting into Mo electrode bars, a diameter of 10mm of Mo electrode bars after processing, length is
600mm, roundness deviation 0.03mm, linearity deviation 0.045mm/450mm, 1.22 μm of roughness；
3）Mo electrode bars are loaded into reative cell, 2 × 10 are evacuated to reative cell-3Pa, helium is filled with to reative cell, makes chamber
Room pressure is 0.13MPa；
4）The plasma gun power of PREP powder manufacturing apparatuses is 200kW, and plasma gun includes tungsten cathode and copper anode, and Mo electrode bars are not
Electrode is done, plasma heats to Mo electrode stick ends, and Mo electrode bars rotating speed is 10000r/min, end is uniformly melted
Change, atomized drop is thrown out of from Mo electrode stick ends and forms drop under the action of the centrifugal force, and drop is in inert gas environment
Spheric granules quickly is cooled to, is fallen into reative cell bottom collector；
5）Under inert gas shielding, obtained Mo powder is sieved and packed.
Described Mo powder mean particle sizes are 55 μm.
Embodiment 5
The preparation method of the Mo powder of increasing material manufacturing, comprises the following steps：
1）According to pure Mo ingredient composition, using vacuum induction melting and electroslag remelting process melting Mo rods；
2）Carry out finishing processing to the Mo rods of melting is into Mo electrode bars, a diameter of 75mm of the Mo electrode bars after processing, length
700mm, roundness deviation 0.025mm, linearity deviation 0.025mm/650mm, 0.58 μm of roughness；
3）Mo electrode bars are loaded into reative cell, 7 × 10 are evacuated to reative cell-3Pa, argon gas is filled with to reative cell, makes chamber
Room pressure is 0.14MPa；
4）The plasma gun power of PREP powder manufacturing apparatuses is 100kW, and plasma gun includes tungsten cathode and copper anode, and Mo electrode bars are not
Electrode is done, plasma heats to Mo electrode stick ends, and Mo electrode bars rotating speed is 20000r/min, end is uniformly melted
Change, atomized drop is thrown out of from Mo electrode stick ends and forms drop under the action of the centrifugal force, and drop is in inert gas environment
Spheric granules quickly is cooled to, is fallen into reative cell bottom collector；
5）Under inert gas shielding, obtained Mo powder is sieved and packed；
Described Mo powder mean particle sizes are 51 μm.
Described step 4）Mo powder sphericity is 99.6%.
Embodiment 6
The preparation method of the Mo powder of increasing material manufacturing, comprises the following steps：
1）According to pure Mo ingredient composition, using vacuum induction melting and electroslag remelting process melting Mo rods；
2）Carry out finishing processing to the Mo rods of melting is into Mo electrode bars, a diameter of 100mm of the Mo electrode bars after processing, length
800mm, roundness deviation 0.06mm, linearity deviation 0.04mm/800mm, 1.23 μm of roughness；
3）Mo electrode bars are loaded into reative cell, 3 × 10 are evacuated to reative cell-3Pa, helium is filled with to reative cell, makes chamber
Room pressure is 0.14MPa；
4）The plasma gun power of PREP powder manufacturing apparatuses is 300kW, and plasma gun includes tungsten cathode and copper anode, and Mo electrode bars are not
Electrode is done, plasma heats to Mo electrode stick ends, and Mo electrode bars rotating speed is 15000r/min, end is uniformly melted
Change, atomized drop is thrown out of from Mo electrode stick ends and forms drop under the action of the centrifugal force, and drop is in inert gas environment
Spheric granules quickly is cooled to, is fallen into reative cell bottom collector；
5）Under inert gas shielding, obtained Mo powder is sieved and packed.
Described Mo powder mean particle sizes are 65 μm.
Described step 4）Mo powder sphericity is 99.7%.
Described powder entirety pattern as shown in Figure 1, the powder sphericity of this method preparation can be found out from microscopic appearance
Height, surface topography are good.
Claims (10)
1. the preparation method of the Mo alloy spherical powder of increasing material manufacturing, it is characterised in that comprise the following steps：
1）By the ingredient composition of Mo alloys, using vacuum induction melting and electroslag remelting process melting Mo alloy bars；
2）Finishing processing is carried out to the Mo alloy bars of melting into Mo alloy electrode rods, the Mo alloy electrode rods after processing it is a diameter of
10-100mm, length 600-800mm, roundness deviation are less than 0.05mm, and linearity deviation is less than 0.1mm/m, and roughness is less than
1.5μm；
3）Mo alloy electrode rods are loaded into reative cell, 10 are evacuated to reative cell-3~10-2Pa, to reative cell be filled with helium,
Argon gas or helium are argon-mixed, make cavity indoor pressure be 0.01 ~ 1MPa, and oxygen content is less than 0.1wt% in atmosphere；
4）The plasma gun power of PREP powder manufacturing apparatuses is 100-300kW, and plasma gun includes tungsten cathode and copper anode, Mo alloys
Electrode bar does not do electrode, and plasma gun heats to Mo alloy electrodes stick end, makes Mo alloy electrode stick ends uniform melt, and Mo is closed
Gold electrode rod rotating speed is 10000-20000r/min, and atomized drop is got rid of from Mo alloy electrodes stick end under the action of the centrifugal force
Go out, form drop, drop is quickly cooled to spheric granules in inert gas environment, falls into reative cell bottom collector, obtain
Obtain Mo alloy powders；
5）Under inert gas shielding, obtained Mo alloy powders are sieved and packed.
2. the preparation method of the Mo alloy spherical powder of increasing material manufacturing according to claim 1, it is characterised in that described
Mo alloy powders particle mean size be 40 μm -200 μm.
3. the preparation method of the Mo alloy spherical powder of increasing material manufacturing according to claim 1, it is characterised in that described
Mo alloy powder particles sphericity be more than 98%.
4. the preparation method of the Mo powder of increasing material manufacturing, it is characterised in that comprise the following steps：
1）According to pure Mo ingredient compositions, using vacuum induction melting and electroslag remelting process melting Mo rods；
2）To the Mo rods finishing processing of melting into Mo electrode bars, a diameter of 10-100mm of the Mo electrode bars after processing, length
For 600-800mm, roundness deviation is less than 0.05mm, and linearity deviation is less than 0.1mm/m, and roughness is less than 1.5 μm；
3）Mo electrode bars are loaded into reative cell, 10 are evacuated to reative cell-3~10-2Pa, helium, argon gas are filled with to reative cell
Or helium is argon-mixed, cavity indoor pressure is set to be 0.01 ~ 1MPa, oxygen content is less than 0.1wt% in atmosphere；
4）The plasma gun power of PREP powder manufacturing apparatuses is 100-300kW, and plasma gun includes tungsten cathode and copper anode, Mo electrodes
Rod does not do electrode, and plasma gun makes Mo electrode stick ends uniform melt, electrode bar rotating speed is to Mo electrode bar end heats
10000-20000r/min, atomized drop are thrown out of from Mo electrode stick ends under the action of the centrifugal force, form drop, drop is lazy
Property gaseous environment in be quickly cooled to spheric granules, fall into reative cell bottom collector, obtain Mo powder；
5）Under inert gas shielding, to obtained Mo powder sievings and packaging.
5. the increasing material manufacturing according to claim 4 preparation method of Mo powder, it is characterised in that described Mo powder is put down
Equal granularity is 40 μm -200 μm.
6. the increasing material manufacturing according to claim 4 preparation method of Mo powder, it is characterised in that described Mo powder
Grain sphericity is more than 98%.
7. the preparation method of the Mo alloy spherical powder of increasing material manufacturing according to claim 1, it is characterised in that including
Following steps：
The preparation method of the Mo alloy spherical powder of increasing material manufacturing, comprises the following steps：
1）According to the ingredient composition of Mo alloys, using vacuum induction melting and electroslag remelting process melting Mo alloy bars；
2）Finishing processing is carried out to the Mo alloy bars of melting into Mo alloy electrode rods, the Mo alloy electrode rods after processing it is a diameter of
10mm, length 600mm, roundness deviation 0.025mm, linearity deviation 0.025mm/650mm, 0.58 μm of roughness；
3）Mo alloy electrode rods are loaded into reative cell, 7 × 10 are evacuated to reative cell-3Pa, argon gas is filled with to reative cell, is made
Cavity indoor pressure is 0.14MPa；
4）The plasma gun power of PREP powder manufacturing apparatuses is 100kW, and plasma gun includes tungsten cathode and copper anode, Mo alloy electrodes
Rod does not do electrode, and plasma heats to Mo alloy electrode stick ends, and Mo alloy electrode rods rotating speed is 20000r/min, is made
End uniform melt, atomized drop are thrown out of from Mo alloy electrode stick ends and form drop under the action of the centrifugal force, and drop exists
Spheric granules is quickly cooled in inert gas environment, is fallen into reative cell bottom collector, obtains Mo alloy powders；
5）Under inert gas shielding, obtained Mo alloy powders are sieved and packed；
Described Mo alloy powders particle mean size is 51 μm；
Described step 4）Mo alloy powders sphericity is 99.6%.
8. the preparation method of the Mo alloy spherical powder of increasing material manufacturing according to claim 1, it is characterised in that including
Following steps：
1）According to the ingredient composition of Mo alloys, using vacuum induction melting and electroslag remelting process melting Mo alloy bars；
2）Finishing processing is carried out to the Mo alloy bars of melting into Mo alloy electrode rods, the Mo alloy electrode rods after processing it is a diameter of
100mm, length 800mm, roundness deviation 0.06mm, linearity deviation 0.04mm/800mm, 1.23 μm of roughness；
3）Mo alloy electrode rods are loaded into reative cell, 3 × 10 are evacuated to reative cell-3Pa, to reative cell be filled with helium and
The mixed gas of argon gas, it is 0.14MPa to make cavity indoor pressure；
4）The plasma gun power of PREP powder manufacturing apparatuses is 300kW, and plasma gun includes tungsten cathode and copper anode, Mo alloy electrodes
Rod does not do electrode, and plasma heats to Mo alloy electrode stick ends, and Mo alloy electrode rods rotating speed is 15000r/min, is made
End uniform melt, atomized drop are thrown out of from Mo alloy electrode stick ends and form drop under the action of the centrifugal force, and drop exists
Spheric granules is quickly cooled in inert gas environment, is fallen into reative cell bottom collector, obtains Mo alloy powders；
5）Under inert gas shielding, obtained Mo alloy powders are sieved and packed；
Described Mo alloy powders particle mean size is 65 μm；
Described step 4）Mo alloy powders sphericity be 99.7%.
9. the preparation method of the Mo powder of increasing material manufacturing according to claim 4, it is characterised in that including following step
Suddenly：
1）According to pure Mo ingredient composition, using vacuum induction melting and electroslag remelting process melting Mo rods；
2）Carry out finishing processing to the Mo rods of melting is into Mo electrode bars, a diameter of 75mm of the Mo electrode bars after processing, length
700mm, roundness deviation 0.025mm, linearity deviation 0.025mm/650mm, 0.58 μm of roughness；
3）Mo electrode bars are loaded into reative cell, 7 × 10 are evacuated to reative cell-3Pa, argon gas is filled with to reative cell, makes chamber
Interior pressure is 0.14MPa；
4）The plasma gun power of PREP powder manufacturing apparatuses is 100kW, and plasma gun includes tungsten cathode and copper anode, and Mo electrode bars are not
Electrode is done, plasma heats to Mo electrode stick ends, and Mo electrode bars rotating speed is 20000r/min, end is uniformly melted
Change, atomized drop is thrown out of from Mo electrode stick ends and forms drop under the action of the centrifugal force, and drop is in inert gas environment
Spheric granules quickly is cooled to, is fallen into reative cell bottom collector；
5）Under inert gas shielding, obtained Mo powder is sieved and packed；
Described Mo powder mean particle sizes are 51 μm；
Described step 4）Mo powder sphericity is 99.6%.
10. the preparation method of the Mo powder of increasing material manufacturing according to claim 4, it is characterised in that including following step
Suddenly：
1）According to pure Mo ingredient composition, using vacuum induction melting and electroslag remelting process melting Mo rods；
2）Carry out finishing processing to the Mo rods of melting is into Mo electrode bars, a diameter of 100mm of the Mo electrode bars after processing, length
800mm, roundness deviation 0.06mm, linearity deviation 0.04mm/800mm, 1.23 μm of roughness；
3）Mo electrode bars are loaded into reative cell, 3 × 10 are evacuated to reative cell-3Pa, helium is filled with to reative cell, makes chamber
Interior pressure is 0.14MPa；
4）The plasma gun power of PREP powder manufacturing apparatuses is 300kW, and plasma gun includes tungsten cathode and copper anode, and Mo electrode bars are not
Electrode is done, plasma heats to Mo electrode stick ends, and Mo electrode bars rotating speed is 15000r/min, end is uniformly melted
Change, atomized drop is thrown out of from Mo electrode stick ends and forms drop under the action of the centrifugal force, and drop is in inert gas environment
Spheric granules quickly is cooled to, is fallen into reative cell bottom collector；
5）Under inert gas shielding, obtained Mo powder is sieved and packed；
Described Mo powder mean particle sizes are 65 μm；
Described step 4）Mo powder sphericity is 99.7%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711397091.7A CN107876794A (en) | 2017-12-21 | 2017-12-21 | The Mo powder of increasing material manufacturing, the preparation method of Mo alloy spherical powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711397091.7A CN107876794A (en) | 2017-12-21 | 2017-12-21 | The Mo powder of increasing material manufacturing, the preparation method of Mo alloy spherical powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107876794A true CN107876794A (en) | 2018-04-06 |
Family
ID=61772142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711397091.7A Pending CN107876794A (en) | 2017-12-21 | 2017-12-21 | The Mo powder of increasing material manufacturing, the preparation method of Mo alloy spherical powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107876794A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380895A (en) * | 2018-04-23 | 2018-08-10 | 安徽哈特三维科技有限公司 | A kind of preparation method and application of Ti-Al-V-Fe-O alloy powders |
| CN108405872A (en) * | 2018-04-23 | 2018-08-17 | 安徽哈特三维科技有限公司 | Preparation method and application of Fe-36Ni iron-based alloy powder |
| CN108480651A (en) * | 2018-04-23 | 2018-09-04 | 安徽哈特三维科技有限公司 | A kind of preparation method and application of Ti-48Al-2Cr-2Nb alloy powders |
| CN108543951A (en) * | 2018-04-23 | 2018-09-18 | 安徽哈特三维科技有限公司 | A kind of preparation method and application of Nb-Si base alloy powders |
| CN108543950A (en) * | 2018-04-23 | 2018-09-18 | 安徽哈特三维科技有限公司 | A kind of preparation method and application of Ni-Co-Fe Co-based alloy powders |
| CN109014230A (en) * | 2018-08-31 | 2018-12-18 | 金堆城钼业股份有限公司 | A kind of preparation method of molybdenum grid |
| CN109112346A (en) * | 2018-09-29 | 2019-01-01 | 西安欧中材料科技有限公司 | A kind of preparation method of increasing material manufacturing copper alloy powder |
| CN109622983A (en) * | 2018-12-28 | 2019-04-16 | 西安欧中材料科技有限公司 | A kind of preparation method of increasing material manufacturing mould steel globular metallic powder |
| CN110405221A (en) * | 2019-08-19 | 2019-11-05 | 昆明理工大学 | A kind of method that DC arc plasma prepares refractory metal nano powder |
| CN110405220A (en) * | 2019-07-10 | 2019-11-05 | 陕西斯瑞新材料股份有限公司 | A method of GRCop-84 spherical powder is prepared based on plasma rotating atomization |
| WO2021179431A1 (en) * | 2020-03-10 | 2021-09-16 | 深圳航科新材料有限公司 | Multielement alloy powder and fast preparation method therefor |
| WO2023133911A1 (en) * | 2022-01-11 | 2023-07-20 | 郑州机械研究所有限公司 | Preparation process for multi-component spherical alloy powder |
| CN116652198A (en) * | 2023-05-31 | 2023-08-29 | 西安建筑科技大学 | Method for preparing tantalum powder by gas atomization of plasma rotary electrode |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02156003A (en) * | 1988-12-07 | 1990-06-15 | Nippon Steel Weld Prod & Eng Co Ltd | Manufacture of alloy powder containing titanium-aluminum intermetallic compound |
| CN104028770A (en) * | 2014-06-09 | 2014-09-10 | 宝鸡飞利有色金属材料有限公司 | Method for preparing medical spherical Co-Cr-Mo alloy particles |
| CN105537603A (en) * | 2016-03-14 | 2016-05-04 | 西安欧中材料科技有限公司 | Preparing method for ultra-fine high-purity Ti2AlNb alloy powder |
| CN105817636A (en) * | 2015-01-09 | 2016-08-03 | 蔡小魁 | Method for preparing metal powder for 3D printing through rotating electrode with assist of plasmas |
| CN106670482A (en) * | 2016-12-19 | 2017-05-17 | 西安欧中材料科技有限公司 | Preparing method for superfine high-grade spherical GH4133 alloy powder |
| CN106735276A (en) * | 2016-12-19 | 2017-05-31 | 西安欧中材料科技有限公司 | A kind of preparation method of high-quality globular powdered nickel |
| CN107008913A (en) * | 2017-04-21 | 2017-08-04 | 西安赛隆金属材料有限责任公司 | A kind of vertical powder manufacturing apparatus of plasma rotating electrode and flouring technology |
-
2017
- 2017-12-21 CN CN201711397091.7A patent/CN107876794A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02156003A (en) * | 1988-12-07 | 1990-06-15 | Nippon Steel Weld Prod & Eng Co Ltd | Manufacture of alloy powder containing titanium-aluminum intermetallic compound |
| CN104028770A (en) * | 2014-06-09 | 2014-09-10 | 宝鸡飞利有色金属材料有限公司 | Method for preparing medical spherical Co-Cr-Mo alloy particles |
| CN105817636A (en) * | 2015-01-09 | 2016-08-03 | 蔡小魁 | Method for preparing metal powder for 3D printing through rotating electrode with assist of plasmas |
| CN105537603A (en) * | 2016-03-14 | 2016-05-04 | 西安欧中材料科技有限公司 | Preparing method for ultra-fine high-purity Ti2AlNb alloy powder |
| CN106670482A (en) * | 2016-12-19 | 2017-05-17 | 西安欧中材料科技有限公司 | Preparing method for superfine high-grade spherical GH4133 alloy powder |
| CN106735276A (en) * | 2016-12-19 | 2017-05-31 | 西安欧中材料科技有限公司 | A kind of preparation method of high-quality globular powdered nickel |
| CN107008913A (en) * | 2017-04-21 | 2017-08-04 | 西安赛隆金属材料有限责任公司 | A kind of vertical powder manufacturing apparatus of plasma rotating electrode and flouring technology |
Non-Patent Citations (1)
| Title |
|---|
| 宁阳等: "钼合金炮筒衬套的新粉末工艺", 《中国钼业》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405872A (en) * | 2018-04-23 | 2018-08-17 | 安徽哈特三维科技有限公司 | Preparation method and application of Fe-36Ni iron-based alloy powder |
| CN108480651A (en) * | 2018-04-23 | 2018-09-04 | 安徽哈特三维科技有限公司 | A kind of preparation method and application of Ti-48Al-2Cr-2Nb alloy powders |
| CN108543951A (en) * | 2018-04-23 | 2018-09-18 | 安徽哈特三维科技有限公司 | A kind of preparation method and application of Nb-Si base alloy powders |
| CN108543950A (en) * | 2018-04-23 | 2018-09-18 | 安徽哈特三维科技有限公司 | A kind of preparation method and application of Ni-Co-Fe Co-based alloy powders |
| CN108380895A (en) * | 2018-04-23 | 2018-08-10 | 安徽哈特三维科技有限公司 | A kind of preparation method and application of Ti-Al-V-Fe-O alloy powders |
| CN109014230B (en) * | 2018-08-31 | 2021-11-05 | 金堆城钼业股份有限公司 | Preparation method of molybdenum metal grid |
| CN109014230A (en) * | 2018-08-31 | 2018-12-18 | 金堆城钼业股份有限公司 | A kind of preparation method of molybdenum grid |
| CN109112346A (en) * | 2018-09-29 | 2019-01-01 | 西安欧中材料科技有限公司 | A kind of preparation method of increasing material manufacturing copper alloy powder |
| CN109622983A (en) * | 2018-12-28 | 2019-04-16 | 西安欧中材料科技有限公司 | A kind of preparation method of increasing material manufacturing mould steel globular metallic powder |
| CN110405220A (en) * | 2019-07-10 | 2019-11-05 | 陕西斯瑞新材料股份有限公司 | A method of GRCop-84 spherical powder is prepared based on plasma rotating atomization |
| CN110405221A (en) * | 2019-08-19 | 2019-11-05 | 昆明理工大学 | A kind of method that DC arc plasma prepares refractory metal nano powder |
| WO2021179431A1 (en) * | 2020-03-10 | 2021-09-16 | 深圳航科新材料有限公司 | Multielement alloy powder and fast preparation method therefor |
| WO2023133911A1 (en) * | 2022-01-11 | 2023-07-20 | 郑州机械研究所有限公司 | Preparation process for multi-component spherical alloy powder |
| CN116652198A (en) * | 2023-05-31 | 2023-08-29 | 西安建筑科技大学 | Method for preparing tantalum powder by gas atomization of plasma rotary electrode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107876794A (en) | The Mo powder of increasing material manufacturing, the preparation method of Mo alloy spherical powder | |
| CN105537603B (en) | A kind of superfine high-purity degree Ti2The preparation method of AlNb alloy powders | |
| CN106166617B (en) | A kind of preparation method of 3D printing titanium alloy powder | |
| CN110405220B (en) | Method for preparing GRCop-84 spherical powder based on plasma rotary atomization method | |
| CN105624474A (en) | Preparation method of superfine high-grade spherical EP741NP alloy powder | |
| CN106964782B (en) | Method for preparing spherical niobium alloy powder | |
| CN106670484A (en) | Preparation method of spherical 304 stainless steel powder | |
| CN106670482A (en) | Preparing method for superfine high-grade spherical GH4133 alloy powder | |
| CN112317752B (en) | TiZrNbTa high-entropy alloy for 3D printing and preparation method and application thereof | |
| CN108705096B (en) | Preparation method of fine-particle-size spherical 18Ni300 powder | |
| CN105689730A (en) | Method for preparing Inconel 625 alloy spherical powder | |
| CN107326218A (en) | A kind of preparation method of 3D printing DD5 Ni-base Superalloy Powders | |
| CN106853535A (en) | A kind of preparation method of high-quality γ TiAl spherical powders | |
| CN101758238A (en) | Methods for preparing titanium alloy TC4 prill by plasma auxiliary rotation electrode | |
| CN101927351A (en) | Method for preparing high temperature alloy GH 4169 metal globule by utilizing auxiliary plasma rotation electrode | |
| CN109622983A (en) | A kind of preparation method of increasing material manufacturing mould steel globular metallic powder | |
| CN108543950A (en) | A kind of preparation method and application of Ni-Co-Fe Co-based alloy powders | |
| CN106735276A (en) | A kind of preparation method of high-quality globular powdered nickel | |
| CN107999778A (en) | A kind of method for preparing AF1410 spherical powders | |
| CN107671299A (en) | A kind of method that vacuum aerosolization prepares Cu Cr alloy powders | |
| CN109014228A (en) | A method of copper alloy powder is prepared based on plasma rotating electrode | |
| CN101352757A (en) | Method for producing beryllium prill using plasma auxiliary rotating electrode | |
| CN101733408A (en) | Method for preparing titanium alloy TA15 metal balls by employing plasma auxiliary rotating electrode | |
| CN107866564A (en) | A kind of Ultra Low-oxygen TA7 titanium alloy powder preparation methods | |
| CN109332717B (en) | Preparation method of spherical molybdenum titanium zirconium 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: 20180406 |
|
| RJ01 | Rejection of invention patent application after publication |