CN106623951B - A kind of oscillatory type deep cooling ball milling prepares the device and method of nanocrystalline powder - Google Patents
A kind of oscillatory type deep cooling ball milling prepares the device and method of nanocrystalline powder Download PDFInfo
- Publication number
- CN106623951B CN106623951B CN201611037672.5A CN201611037672A CN106623951B CN 106623951 B CN106623951 B CN 106623951B CN 201611037672 A CN201611037672 A CN 201611037672A CN 106623951 B CN106623951 B CN 106623951B
- Authority
- CN
- China
- Prior art keywords
- ball milling
- ball
- liquid nitrogen
- logical
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000498 ball milling Methods 0.000 title claims abstract description 84
- 239000000843 powder Substances 0.000 title claims abstract description 65
- 230000003534 oscillatory effect Effects 0.000 title claims abstract description 28
- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 100
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 239000012298 atmosphere Substances 0.000 claims abstract description 9
- 238000003801 milling Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 13
- 239000011229 interlayer Substances 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000010412 perfusion Effects 0.000 claims description 2
- 238000004886 process control Methods 0.000 claims description 2
- 238000000227 grinding Methods 0.000 abstract description 9
- 238000009826 distribution Methods 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 102220043159 rs587780996 Human genes 0.000 description 8
- 235000013339 cereals Nutrition 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000012387 aerosolization Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000005551 mechanical alloying Methods 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002707 nanocrystalline material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
-
- 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
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/049—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by pulverising at particular temperature
Landscapes
- Crushing And Grinding (AREA)
Abstract
The present invention relates to low temperature ball milling field, specially a kind of oscillatory type deep cooling ball milling prepares the device and method of nanocrystalline powder.The equipment includes：Logical protective gas pipeline, logical liquid nitrogen pipeline, temperature feedback circuit, pressure feedback line, ball grinder, spring, eccentric wheel, main shaft, pressure inside the tank and temperature control system; and driving motor, liquid nitrogen and protective gas source etc.; nanocrystalline powder is prepared using the method for oscillatory type ball milling combination liquid nitrogen refrigerating; raw material granularity is 5~50 μm, the commercial gas-atomised powders of 0.5~5 μm of crystallite dimension.It is different from existing planetary, stirring type low temperature ball-grinding machine, the ball milling principle of the equipment is crushed with vibration-extrusion, based on compacting, and it can flexibly control milling atmosphere, prepare granularity, morphology controllable, and the nanocrystalline powder of the high thermal stability of size distribution concentration in a short time by adjusting ball milling parameter.
Description
Technical field：
The present invention relates to low temperature ball milling field, specially a kind of oscillatory type deep cooling ball milling using liquid nitrogen refrigerating prepares nanometer
The equipment of crystalline flour body, and method that nanocrystalline powder is prepared using the equipment.
Background technology：
Ball grinding technique (mechanical alloying) refer to metal or alloy powder ball milling be concentrated through powder granule and abrading-ball it
Between intensely impact for a long time, so that powder granule is iteratively produced cold welding, fracture, lead to powder granule atoms permeating, to
Obtain a kind of Preparation Technique of Powders of alloying powder.
Ball grinding technique is also the important processing method for preparing non-equilibrium material, and metal-powder can be prepared by ball milling
Supersaturated solid solution, the increased alloy of disordering degree and intermetallic compound, amorphous and quasicrystalline alloy, metastable phase and nanocrystalline
Material.
Low temperature ball grinding technique significantly reduces the dynamic recovery energy in powder deformation process due to its lower operating temperature
Power.Particularly useful for making face-centred cubic structure material, such as：The high thermal stability nanocrystalline powder of aluminium, copper, nickel and its alloy.
The advantages of low temperature ball milling includes：(1) compared with conventional ball mill, due to lower operating temperature and and when short ball milling
Between, the pollution of oxygen in air is greatly decreased；(2) lower operating temperature is conducive to broken toughness material cold welding product；(3) relatively low
Operating temperature reduce the dynamic recovery ability of material, significantly reduce by powder grain size be milled to nanoscale when
Between；(4) oxynitrides quantity and disperse degree in material can be improved in the environment of liquid nitrogen, improve the thermostabilization of material
Property.
Invention content
The purpose of the present invention is to provide the device and method that a kind of oscillatory type deep cooling ball milling prepares nanocrystalline powder, use
The method of oscillatory type ball milling combination liquid nitrogen refrigerating realizes low temperature ball milling, relies on the characteristics of vibrating low temperature ball milling itself, prepares one
The high thermal stability nanocrystalline powder that kind granularity, morphology controllable, size distribution are concentrated.
Technical scheme is as follows：
A kind of equipment that oscillatory type deep cooling ball milling prepares nanocrystalline powder, the equipment include：Logical protective gas pipeline, logical liquid
Nitrogen pipeline, pressure feedback line, temperature feedback circuit, pressure inside the tank and temperature control system, ball grinder, driving motor, main shaft,
Eccentric wheel, spring and liquid nitrogen and protective gas source, concrete structure are as follows：
Ball grinder is connected to by logical protective gas pipeline, logical liquid nitrogen pipeline with liquid nitrogen and protective gas source respectively, described
Valve is respectively set in logical protective gas pipeline, logical liquid nitrogen pipe road；Pressure feedback line, temperature feedback circuit one end be connected to ball
Grinding jar, the other end of pressure feedback line are connected to the valve on logical protective gas pipeline, and the other end of temperature feedback circuit is connected to
The valve of logical liquid nitrogen pipe road, setting pressure inside the tank and temperature control system on pressure feedback line, temperature feedback circuit, in tank
Pressure and temperature control system are according to the pressure and temperature signal in ball grinder, control pressure feedback line, temperature feedback circuit
The aperture of upper valve and keying；
Ball grinder is rigidly connected with main shaft, and main shaft is connect with driving motor, and eccentric wheel is arranged on main shaft and connects one end and consolidates
Fixed spring.
Nitrogen interlayer is led in the shell setting of the equipment that the oscillatory type deep cooling ball milling prepares nanocrystalline powder, ball grinder, leads to
Liquid nitrogen pipeline divides two-way, is connected in ball grinder all the way, and another way is connected in logical nitrogen interlayer.
The method that the oscillatory type deep cooling ball milling of the equipment prepares nanocrystalline powder, using oscillatory type ball milling combination liquid nitrogen system
Cold method prepares nanocrystalline powder, and raw material granularity is 5~50 μm, the commercial gas-atomised powders of 0.5~5 μm of crystallite dimension；Ball
It is as follows to grind parameter：The ball milling under liquid nitrogen atmosphere or protective gas atmosphere, ball milling temperature are adjusted in room temperature to -196 DEG C of ranges, ball milling
2~8mm of amplitude, vibration frequency 50Hz, ball material mass ratio (5~15):1,1~5h of Ball-milling Time.
The method that the oscillatory type deep cooling ball milling prepares nanocrystalline powder, by adjusting stainless steel abrading-ball size and process
Controlling agent addition accurately controls the granularity by milling body.
The method that the oscillatory type deep cooling ball milling prepares nanocrystalline powder, can be in room temperature by adjusting liquid nitrogen flow
Ball milling temperature is freely controlled within the scope of to -196 DEG C.
The method that the oscillatory type deep cooling ball milling prepares nanocrystalline powder, by adjusting eccentric wheel angle, quality and drive
Dynamic power of motor control ball milling amplitude and vibration frequency.
The method that the oscillatory type deep cooling ball milling prepares nanocrystalline powder, ball grinder realize that perfusion liquid nitrogen is with ball in tank
Mill, or lead in liquid nitrogen interlayer outside tank and fill liquid nitrogen refrigerating, and protective gas is filled in tank with ball milling, realize deep cooling ball milling gas
Atmosphere freely controls.
Advantages of the present invention and advantageous effect are：
1, the present invention uses oscillatory type low temperature ball-grinding machine, the nanocrystalline aluminium powder of preparation to have higher thermal stability.
2, the present invention can be distributed with prepared sizes concentrate etc. the nanocrystalline aluminium powder of shaft-like, and accurately control the granularity model of powder
It encloses (D50=15~500 μm).
3, the present invention can prepare thickness be 100~200nm two-dimensional slice at the nanocrystalline aluminium powder of shape.
Description of the drawings
Fig. 1 is oscillatory type deep cooling ball-grinding machine schematic diagram.In figure, 1 logical protective gas pipeline；2 logical liquid nitrogen pipelines；3 pressure
Feedback line；4 temperature feedback circuits；5 pressure inside the tanks and temperature control system；6 ball grinders；7 driving motors；8 main shafts；9 is eccentric
Wheel；10 springs.
Fig. 2 is the two-dimensional slice of ball milling preparation into shape morphology microstructure figure.Wherein, (b) figure be (a) figure enlarged drawing.
Fig. 3 is D50=400 μm of nanocrystalline powder shape appearance figure prepared by ball milling.
Fig. 4 is D50=100 μm of nanocrystalline powder shape appearance figure prepared by ball milling.
Fig. 5 is the organization chart of nanocrystalline powder.Wherein, the nanocrystalline aluminium powder body TEM diffraction that (a) is D50=400 μm
Photo；(b) the nanocrystalline aluminium powder body TEM details in a play not acted out on stage, but told through dialogues photos for being D50=400 μm.
Specific implementation mode
As shown in Figure 1, the equipment that oscillatory type deep cooling ball milling of the present invention prepares nanocrystalline powder, by vibrating device, multi-functional
Oscillatory type ball milling combination liquid nitrogen refrigerating is realized that low temperature ball milling, the equipment mainly wrap by ball grinder, external auxiliary control system composition
It includes：Logical protective gas pipeline 1, logical liquid nitrogen pipeline 2, pressure feedback line 3, temperature feedback circuit 4, pressure inside the tank and temperature control
System 5, ball grinder 6, driving motor 7, main shaft 8, eccentric wheel 9, spring 10 and liquid nitrogen and protective gas source etc., concrete structure is such as
Under：
Ball grinder 6 is connected to by logical protective gas pipeline 1, logical liquid nitrogen pipeline 2 with liquid nitrogen and protective gas source respectively, in institute
It states logical protective gas pipeline 1, valve is respectively set on logical liquid nitrogen pipeline 2；One end of pressure feedback line 3, temperature feedback circuit 4
It is connected to ball grinder 6, the other end of pressure feedback line 3 is connected to the valve on logical protective gas pipeline 1, temperature feedback circuit 4
The other end is connected to the valve on logical liquid nitrogen pipeline 2, and pressure inside the tank and temperature is arranged on pressure feedback line 3, temperature feedback circuit 4
Control system 5, pressure inside the tank and temperature control system 5 are according to the pressure and temperature signal in ball grinder 6, control pressure feedback line
The aperture of valve and keying on road 3, temperature feedback circuit 4.
Ball grinder 6 is rigidly connected with main shaft 8, and main shaft 8 is connect with driving motor 7, and eccentric wheel 9 is arranged on main shaft 8；Spring 10
One end fix, the other end of spring 10 connects main shaft 8.
Nitrogen interlayer is led in the shell setting of ball grinder 6, and logical liquid nitrogen pipeline 2 divides two-way, is connected to all the way in ball grinder 6, another way
It is connected in the logical nitrogen interlayer of ball grinder 6.
It is as follows that the present invention using above equipment prepares the adjustable technological parameter of nanocrystalline powder：Liquid nitrogen atmosphere or protection gas
Ball milling under body atmosphere, ball milling temperature are adjusted in room temperature to -196 DEG C of ranges, ball milling 2~8mm of amplitude, vibration frequency 50Hz.Also,
By adjusting Material quality of grinding balls, size and process control agent addition, ball material mass ratio and fill factor etc., can accurately control
The high thermal stability manocrystalline powders that system is concentrated by the granularity of milling body, prepared sizes, morphology controllable, and size distribution.
In particular, the present invention can freely control ball milling temperature by adjusting liquid nitrogen flow within the scope of room temperature extremely -196 DEG C
Degree；The present invention can control ball milling amplitude and vibration frequency by adjusting eccentric wheel angle, quality and driving motor power.This hair
The bright liquid nitrogen that can be perfused in ball grinder is with ball milling, or liquid nitrogen refrigerating is filled in tank outside sandwich, and a level pressure is filled in tank
The protective gas of power realizes freely controlling for milling atmosphere with ball milling.
In the following, being further elaborated on to the present invention by embodiment.
Embodiment 1
In the present embodiment, commercial aerosolization aluminium powder that ball milling initial grain size is about 1~5 μm.- 180 DEG C of ball milling temperature,
Ball milling amplitude 5mm, vibration frequency 50Hz, Ball-milling Time 2 hours, using stainless steel abrading-ball, ball material mass ratio 10:1, it is added stearic
Acid amount be abrasive material quality 2%, prepare thickness be 100~200nm two-dimensional slice at shape nanocrystalline powder, crystallite dimension is about
35nm。
Embodiment 2
In the present embodiment, commercial aerosolization aluminium powder that ball milling initial grain size is about 1~5 μm.- 180 DEG C of ball milling temperature,
Ball milling amplitude 6mm, vibration frequency 50Hz, Ball-milling Time 4 hours, using stainless steel abrading-ball, ball material mass ratio 10:1, adjust abrading-ball
Can be prepared after size size distribution concentrate, D50 accurately controlled in 15~500 μ ms etc. shaft-like nanocrystalline powder,
Crystallite dimension is about 50nm.
Embodiment 3
In the present embodiment, commercial aerosolization aluminium powder that ball milling initial grain size is about 1~5 μm.- 180 DEG C of ball milling temperature,
Ball milling amplitude 4mm, vibration frequency 50Hz, Ball-milling Time 2 hours, using stainless steel abrading-ball, ball material mass ratio 10:1, adjust abrading-ball
Can be prepared after size size distribution concentrate, D50 accurately controlled in 15~500 μ ms etc. shaft-like Ultra-fine Grained powder,
Crystallite dimension is about 200nm.
As shown in Fig. 2, the two-dimensional slice prepared using ball milling of the present invention understands powder at the SEM photograph of shape powder by figure (a)
It is in micro-meter scale on two dimensions；Two-dimensional slice is about 100~200nm at the thickness of shape powder known to figure (b).
As shown in Figure 3, Figure 4, D50=400 μm and D50=100 μm of the nanocrystalline powder prepared using ball milling of the present invention
SEM photograph, powder is in isometric bulk as seen from the figure, has good mobility and Pneumatic acceleration effect, and size distribution collection
In.
As shown in figure 5, the TEM photos of the D50=400 μm of nanocrystalline powder prepared using ball milling of the present invention.It is powder to scheme (a)
The TEM diffraction patterns of body are annular, are typical nanocrystalline structure diffraction patterns, and figure (b) is region TEM details in a play not acted out on stage, but told through dialogues photos, by
The average grain size of powder is about 50nm known to photo.
Embodiment the result shows that, using oscillatory type ball-milling technology combination liquid nitrogen (liquid nitrogen) freeze realize oscillatory type low temperature ball milling
Powder processed, is different from existing planetary, stirring type low temperature ball-grinding machine, and the ball milling principle of the equipment is crushed with vibration-extrusion, is rammed
It actually leads, and can flexibly control milling atmosphere.It is thus possible to prepared in a short time by adjusting ball milling parameter granularity,
Morphology controllable, and the nanocrystalline powder of the high thermal stability of size distribution concentration.It can be selected in protective gas in mechanical milling process
The ball milling in liquid nitrogen atmosphere also may be selected to reduce the pollution of oxygen in ball milling in atmosphere, makes to contain Dispersed precipitate in by milling body
Nitrogen oxides, enhance the stability of powder.
Claims (5)
1. a kind of oscillatory type deep cooling ball milling prepares the application of the equipment of nanocrystalline powder, it is characterised in that：The equipment includes：It is logical to protect
Protect gas piping, logical liquid nitrogen pipeline, pressure feedback line, temperature feedback circuit, pressure inside the tank and temperature control system, ball milling
Tank, driving motor, main shaft, eccentric wheel, spring and liquid nitrogen and protective gas source, concrete structure are as follows：
Ball grinder is connected to by logical protective gas pipeline, logical liquid nitrogen pipeline with liquid nitrogen and protective gas source respectively, in the logical guarantor
Valve is respectively set in shield gas piping, logical liquid nitrogen pipe road；Pressure feedback line, temperature feedback circuit one end be connected to ball milling
Tank, the other end of pressure feedback line are connected to the valve on logical protective gas pipeline, and the other end of temperature feedback circuit is connected to logical
The valve of liquid nitrogen pipe road, setting pressure inside the tank and temperature control system, tank internal pressure on pressure feedback line, temperature feedback circuit
Power and temperature control system are according to the pressure and temperature signal in ball grinder, on control pressure feedback line, temperature feedback circuit
The aperture of valve and keying；
Ball grinder and main shaft are rigidly connected, and main shaft is connect with driving motor, setting eccentric wheel and to connect one end fixed on main shaft
Spring；
Nitrogen interlayer is led in the shell setting of ball grinder, and logical liquid nitrogen pipeline divides two-way, is connected in ball grinder all the way, another way is connected to logical nitrogen
In interlayer；
The method for preparing nanocrystalline powder using the oscillatory type deep cooling ball milling of the equipment, using oscillatory type ball milling combination liquid nitrogen system
Cold method prepares nanocrystalline powder, and raw material granularity is 5~50 μm, the commercial gas-atomised powders of 0.5~5 μm of crystallite dimension；Ball
It is as follows to grind parameter：The ball milling under liquid nitrogen atmosphere or protective gas atmosphere, ball milling temperature are adjusted in room temperature to -196 DEG C of ranges, ball milling
2~8mm of amplitude, vibration frequency 50Hz, ball material mass ratio (5~15):1,1~5h of Ball-milling Time.
2. oscillatory type deep cooling ball milling described in accordance with the claim 1 prepares the application of the equipment of nanocrystalline powder, which is characterized in that
By adjusting stainless steel abrading-ball size and process control agent addition, the granularity by milling body is accurately controlled.
3. oscillatory type deep cooling ball milling described in accordance with the claim 1 prepares the application of the equipment of nanocrystalline powder, which is characterized in that
Ball milling temperature can be freely controlled by adjusting liquid nitrogen flow within the scope of room temperature extremely -196 DEG C.
4. oscillatory type deep cooling ball milling described in accordance with the claim 1 prepares the application of the equipment of nanocrystalline powder, which is characterized in that
By adjusting eccentric wheel angle, quality and driving motor power control ball milling amplitude and vibration frequency.
5. oscillatory type deep cooling ball milling described in accordance with the claim 1 prepares the application of the equipment of nanocrystalline powder, which is characterized in that
Ball grinder realizes that perfusion liquid nitrogen is with ball milling in tank, or leads in liquid nitrogen interlayer outside tank and fill liquid nitrogen refrigerating, and guarantor is filled in tank
Gas is protected with ball milling, realizes freely controlling for deep cooling milling atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611037672.5A CN106623951B (en) | 2016-11-23 | 2016-11-23 | A kind of oscillatory type deep cooling ball milling prepares the device and method of nanocrystalline powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611037672.5A CN106623951B (en) | 2016-11-23 | 2016-11-23 | A kind of oscillatory type deep cooling ball milling prepares the device and method of nanocrystalline powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106623951A CN106623951A (en) | 2017-05-10 |
| CN106623951B true CN106623951B (en) | 2018-08-31 |
Family
ID=58812595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611037672.5A Active CN106623951B (en) | 2016-11-23 | 2016-11-23 | A kind of oscillatory type deep cooling ball milling prepares the device and method of nanocrystalline powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106623951B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108371996A (en) * | 2018-05-16 | 2018-08-07 | 湖南行者环保科技有限公司 | Ball milling equipment |
| CN111013795A (en) * | 2019-12-31 | 2020-04-17 | 吉林市圣赢碳纤维制品科技有限公司 | Superfine carbon fiber crushing process and crushing device |
| CN113998897B (en) * | 2021-10-28 | 2023-11-24 | 杭州光学精密机械研究所 | Equipment for rapidly synthesizing chalcogenide glass powder |
| CN114799183B (en) * | 2022-03-18 | 2024-01-26 | 陕西智奇开物新材料有限公司 | High-energy grinding machine and use method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115107A (en) * | 1976-12-14 | 1978-09-19 | Aluminum Company Of America | Method of producing metal flake |
| CN2544807Y (en) * | 2002-04-25 | 2003-04-16 | 吴懿平 | Cryogenic vibration superfine disintegrator |
| CN2621811Y (en) * | 2003-03-26 | 2004-06-30 | 南京大学仪器厂 | Low temp planetary ball mill |
| CN1555949A (en) * | 2004-01-08 | 2004-12-22 | 北京科技大学 | Method of preparing nano powderusing liquid nitrogen low temperature ball mill |
| CN202063864U (en) * | 2011-05-24 | 2011-12-07 | 合肥旭阳铝颜料有限公司 | Production unit of aluminum paste |
| CN205109767U (en) * | 2015-09-29 | 2016-03-30 | 浙江铧淳塑料有限公司 | Vibration ball -milling device |
| CN206263264U (en) * | 2016-11-23 | 2017-06-20 | 中国科学院金属研究所 | The equipment that a kind of oscillatory type deep cooling ball milling prepares nanocrystalline powder |
-
2016
- 2016-11-23 CN CN201611037672.5A patent/CN106623951B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106623951A (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106623951B (en) | A kind of oscillatory type deep cooling ball milling prepares the device and method of nanocrystalline powder | |
| CN110523997B (en) | High-entropy alloy particle reinforced subzero treatment aluminum-based composite material and preparation method thereof | |
| CN103773997B (en) | A kind of aviation instrument grade Aluminum Matrix Composites Strengthened by SiC and preparation method thereof | |
| CN101386926B (en) | Method for preparing Mg-based compound material and preparation apparatus | |
| CN108421985B (en) | Method for preparing oxide dispersion strengthening medium-entropy alloy | |
| CN101671788B (en) | Method for nanocrystallization of magnesium-based hydrogen storage material | |
| US20210197277A1 (en) | MN-CU-Based Damping Alloy Powder For Use In Selective Laser Melting Process And Preparation Method Thereof | |
| CN103386347A (en) | Low-temperature ball-milling experimental apparatus | |
| CN206263264U (en) | The equipment that a kind of oscillatory type deep cooling ball milling prepares nanocrystalline powder | |
| CN110625112A (en) | Titanium or titanium alloy spherical powder with rare earth oxide distributed on surface and preparation method thereof | |
| CN110004349A (en) | A kind of carbon nanotube enhancing high-entropy alloy composite material and preparation method | |
| CN102816991A (en) | Low-temperature nitridation preparation method of iron-based rare earth permanent magnet powder | |
| CN112775440A (en) | Selective laser melting aluminum alloy and additive manufacturing method | |
| CN106141197B (en) | Preparation method of fine-particle tungsten powder | |
| CN102899591B (en) | High-oxygen-content iron-based amorphous composite powder and preparation method thereof | |
| JPH08109406A (en) | Treatment of sponge titanium powder | |
| JP2560565B2 (en) | Method for producing hydrogen storage alloy | |
| Yang et al. | Effect of hydrogen pressure on hydrogenation and pulverization behavior of Sm (CoFeCuZr) z ingot and strip casting flake | |
| CN102021473A (en) | Method for preparing Fe3Al-Al2O3 composite material | |
| CN104232961A (en) | High-strength high-hardness Cu-Cr composite material as well as preparation method and application thereof | |
| CN102161099B (en) | Method and device for producing nanocrystalline high-purity spherical magnesium alloy powder | |
| CN109465464B (en) | Method for preparing alumina-based metal ceramic nano composite powder | |
| ÇANAKÇI | Production and microstructure of AA2024–B4C metal matrix composites by mechanical alloying method | |
| CN113492213A (en) | Preparation method and equipment of high-sphericity low-oxygen-content TiAl alloy powder | |
| CN1189249C (en) | Process for preparing nano cubic boron nitride |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |