CN105598459B - A kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire - Google Patents
A kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire Download PDFInfo
- Publication number
- CN105598459B CN105598459B CN201610047446.9A CN201610047446A CN105598459B CN 105598459 B CN105598459 B CN 105598459B CN 201610047446 A CN201610047446 A CN 201610047446A CN 105598459 B CN105598459 B CN 105598459B
- Authority
- CN
- China
- Prior art keywords
- ferrous alloy
- micro wire
- alloy micro
- flow liquid
- magnetic flow
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
Abstract
The present invention relates to a kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire, belong to intellectual material preparing technical field；Concretely comprise the following steps：Ferrous alloy micro wire is sprayed in directional magnetic field using melt-quenching method；After clipped, it is soaked in silane coupler, at moderate temperatures heating stirring different time, its surface is modified, then dries the ferrous alloy micro wire isolated；Place into ball grinder, and add appropriate silane coupler, high-energy ball milling is carried out with hardened steel ball and is crushed, is dried in vacuo afterwards；Using the ferrous alloy micro wire that obtains by ball mill crushing as magnetic suspension phase, methyl-silicone oil is base fluid, adds thixotropic agent, by high-speed stirred, activates, prepares the magnetic flow liquid of different ratio；This method prepare magnetic flow liquid stability is good, yield strength is high, application field is wide.
Description
Technical field
The present invention relates to a kind of preparation method of magnetic flow liquid, and in particular to one kind prepares magnetic based on ferrous alloy micro wire
The method of rheology liquid, belongs to intellectual material preparing technical field.
Background technology
Magnetic flow liquid（Magnetorheological fluids are MRF）It is that tiny soft magnetic particles are dispersed in liquid Jie
The suspension of the stabilization constituted in matter, is made up of magnetic particle, base fluid and stabilizer.When magnetic flow liquid is by magnetic fields,
Magnetic-particle therein is arranged in chain along magnetic direction, increases apparent viscosity, shows the property of similar solid, mobility
Disappear.Once removing magnetic field, the apparent viscosity of fluid is returned to original state, and its response time only has several milliseconds.It is magnetorheological
Liquid has that power consumption is few, damping force is big, dynamic range is wide, fast response time the features such as, it is considered to be quite promising intelligence
One of material, causes the broad interest of domestic and foreign scholars and industrial quarters.
Various new dampers, brake, shock absorber, clutch, buffering can be made using the characteristic of magnetic flow liquid
The devices such as device, flexible fixture, sensor, in Aero-Space, mechanical engineering, automobile engineering, Precision Machining, architectural engineering, medical treatment
The field extensive use such as health, can complete the functions such as intelligent transmission, braking, vibration damping, noise reduction, grinding (polishing), sealing, lubrication.
Magnetic rheological liquid damper can adjust driving magnetic field intensity according to outside vibration environment difference, easily change the resistance of vibration insulating system
Buddhist nun and rigidity, reach the purpose of active damping, and be conveniently combined with microcomputer control, it has also become high-performance and intelligence of new generation
The vibration absorber of change, in basic vibration isolation of vehicle suspension system, civil engineering structure antidetonation, vibration damping and big energy and power equipment etc.
Aspect, shows good application prospect.Magnetic flow liquid can be used for quick control element, transmitted between controllable mechanical part power or
Torque.Magnetic flow liquid can be additionally used in magnetorheological controllable valve, using magnetic flow liquid under magnetic fields between liquid or solid it is reversible
The characteristic of change, controls the folding of hydraulic circuit.Controllability is good, and reaction is quick, can make in high-torque, the structure of big stroke
With.The feature solidified using magnetic flow liquid under magnetic fields, can the workpiece complex to shape and structure position
And clamping, flexible fixture can be developed, to ensure machining accuracy and reduce non-processing man-hour.In addition, magnetic flow liquid is applied also for
Precision Machining and optical manufacturing.
Current magnetic flow liquid generally uses the particle diameters such as iron, cobalt, nickel and its alloy to be outstanding for micron-sized multidomain soft magnetic granules
Floating phase, response of the magnetic flow liquid to magnetic field is due to that the polarization of suspended particulate off field in magnetic flow liquid outside is caused, these
The interaction of the dipole of polarization, makes particle be formed in parallel with the chain structure of externally-applied magnetic field, and this chain structure is prevented
The motion of fluid, so that the stickiness increase of suspension.Magnetic field is stronger, this chain structure is occurred the mechanical energy of surrender needs
It is bigger.But under magnetic fields, many micropores can be produced in the chain structure that granular magnetic suspension is mutually formed.This micropore is deposited
It is easily broken chain structure, so as to reduce yield strength.It is micro- that addition proper amount of nano magnetic particle can only also fill part
Hole constrains the raising of chain structure intensity.In addition, during chain, the granular suspended particulate outside chain can be to the magnetic in chain
Particle produces squeezing action, can upset the magnetic field orientating of magnetic particle, influence its intensity of magnetization.Current domestic production it is magnetorheological
Liquid generally existing stability difference and the low problem of yield strength.If magnetic suspension exists with the form of thread-like flecks, outside
Plus in the presence of magnetic field, because magnetic pole appears in two ends of soft magnetism micro wire, the micro wire of these polarization will be formed in parallel with
External magnetic field, closely knit chain structure, can obtain the higher yield strength of the chain that is mutually formed of more granular magnetic.High stability and
High yield strength is to influence the key factor of magnetic flow liquid application.
The content of the invention
The problem of present invention exists for prior art is that magnetic suspension is mutually made based on ferrous alloy micro wire there is provided one kind
The method of standby magnetic flow liquid, making the product of preparation has higher response speed, higher yield strength and preferable stability,
Have a wide range of application.
In order to solve the above problems, the technical solution adopted in the present invention is：
A kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire, is comprised the following steps：
（1）From wire ferrous alloy micro wire as the magnetic suspension phase of magnetic flow liquid, existed using melt-quenching method
Ferrous alloy micro wire is sprayed in 1000 ~ 2000Oe directional magnetic field；
（2）After ferrous alloy micro wire is clipped, it is soaked in silane coupler, 1 ~ 2h of heating stirring at 65 ~ 75 DEG C,
Its surface is modified, then dried the ferrous alloy micro wire isolated in vacuum drying chamber；
（3）The ferrous alloy micro wire that surface modification is crossed is placed in ball grinder, adds appropriate silane coupler, with quenching
Fiery steel ball carries out high-energy ball milling and crushed；Adjust after the draw ratio that ball-milling technology changes ferrous alloy micro wire, ball milling at 80 ~ 85 DEG C
It is lower to carry out 1 ~ 2h of vacuum drying；
（4）Using the ferrous alloy micro wire by ball mill crushing as suspended phase, using methyl-silicone oil as base fluid, addition 1 ~ 2%
Thixotropic agent, by 0.5 ~ 1h of 3000rpm high-speed stirreds, activation, prepares the magnetic flow liquid of different ratio.
Step（1）Described ferrous alloy micro wire is to be made by vacuum induction melt heating rapid quenching technique in magnetic field
It is standby.Regulation heating power make it is sample melting in quartz ampoule, when the liquid level lifting of fusing sample touches a sword line is got rid of on copper roll surface
When, silk is got rid of in adjustment feeding motor speed, progress.
By adjusting heating power, feeding motor speed, copper roller rotating speed, the micron-sized iron-based of different line footpaths can be obtained
B alloy wire.
Step（2）Described surface modification is carried out in silane coupler, in 85 ~ 95 DEG C of vacuum drying after modification
0.5~1.5h。
Step（3）The draw ratio of described ferrous alloy micro wire is controlled by adjusting ratio of grinding media to material, rotating speed and Ball-milling Time
System.
Step（4）Described thixotropic agent refers to the CRAYVALLAC SUPER of Arkema's production.
The magnetic flow liquid prepared using this method can make various new dampers, brake, shock absorber, clutch
The devices such as device, buffer, flexible fixture, sensor, in Aero-Space, mechanical engineering, automobile engineering, Precision Machining, building work
Journey, medicine and hygiene fieldses extensive use, can complete intelligent transmission, braking, vibration damping, noise reduction, grinding, polishing, sealing, lubrication work(
Energy.
The beneficial effects of the invention are as follows：
（1）In magnetic flow liquid manufacturing process, ferrous alloy magnetic suspension exists with the form of thread-like flecks, in additional magnetic
In the presence of, because magnetic pole appears in two ends of soft magnetism micro wire, the micro wire of these polarization will be formed in parallel with outer magnetic
, closely knit chain structure, can obtain the higher yield strength of chain that more granular magnetic mutually formed.With melt-quenching method in magnetic
The easy axle of the magnetic micrometer line thrown away in can be orientated along additional induced magnetic field.This micro wire is used as the suspension of magnetic flow liquid
Phase, has higher initial permeability and faster response speed during chain.Overcome magnetic flow liquid conventional at present
The low problem of existing yield strength.
（2）Have simultaneously in silane coupled agent molecule can and metallochemistry combination reactive group and materialized with organic matter
Learn the reactive group combined.In the present invention, after micron-sized ferrous alloy silk is obtained with melt-quenching method, first with silane coupled
Agent carries out surface modification, can obtain preferable modification effect, then carry out ball mill crushing.Ball milling is being carried out to ferrous alloy micro wire
Shi Zaici adds appropriate silane coupler, can constantly repair decorative layer damaged in mechanical milling process, can improve ferrous alloy
Dispersiveness of the micro wire in methyl-silicone oil, prevents that suspended phase is reunited during magnetic flow liquid preparation and use.
（3）The CRAYVALLAC SUPER thixotropic agent for Arkema's production that the present invention is selected, to methyl-silicone oil, iron-based
Alloy system is largely effective, by controlling the content of thixotropic agent, scattered with high speed machine, it can be ensured that prepared by magnetic flow liquid
And the sedimentation stability having had during use.
Brief description of the drawings
The iron silicon boron alloy silk that Fig. 1 is prepared with m elt-spun overqu- enching.
Embodiment
Embodiment 1
A kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire, is comprised the following steps：
（1）The directional magnetic field for applying 1000Oe in iron silicon boron alloy silk, preparation process is prepared with m elt-spun overqu- enching；
（2）It will be placed in after the silk shearing of iron silicon boron alloy in silane coupler, stir 1h at 65 DEG C, iron silicon boron alloy silk is entered
Row surface modification, is then dried in vacuo 1h at 85 DEG C；
（3）Dried iron silicon boron alloy silk is put into ball grinder, and adds a small amount of silane coupler, hardened steel is used
Ball carries out high-energy ball milling and crushed, and adjusts ball-milling technology（Ratio of grinding media to material, rotating speed, Ball-milling Time）Control the major diameter of ferrous alloy micro wire
Than；
（4）1h will be dried in vacuo at 85 DEG C by the iron silicon boron micro wire of ball mill crushing, as magnetic suspension phase, with methyl
Silicone oil is base fluid, and mass fraction is added in methyl-silicone oil for 35% iron silicon boron micro wire, then to iron silicon boron and methyl-silicone oil
Mixture in add mass fraction be 1% thixotropic agent CRAYVALLAC SUPER, through 3000rpm high-speed stirred 0.5h, obtain
Magnetic flow liquid.Sedimentation phenomenon was not found by the natural standing of 6 months.
Embodiment 2
A kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire, is comprised the following steps：
（1）The directional magnetic field for applying 1000Oe in iron silicon boron alloy silk, preparation process is prepared with m elt-spun overqu- enching；
（2）It will be placed in after the silk shearing of iron silicon boron alloy in silane coupler, stir 2h at 75 DEG C, iron silicon boron alloy silk is entered
Row surface modification, is then dried in vacuo 0.5h at 95 DEG C；
（3）Dried iron silicon boron alloy silk is put into ball grinder, and adds a small amount of silane coupler, hardened steel is used
Ball carries out high-energy ball milling and crushed, and adjusts ball-milling technology（Ratio of grinding media to material, rotating speed, Ball-milling Time）Control the major diameter of ferrous alloy micro wire
Than；
（4）2h will be dried in vacuo at 80 DEG C by the iron silicon boron micro wire of ball mill crushing, as magnetic suspension phase, with methyl
Silicone oil is base fluid, and mass fraction is added in methyl-silicone oil for 35% iron silicon boron micro wire, then to iron silicon boron and methyl-silicone oil
Mixture in add mass fraction be 2% thixotropic agent CRAYVALLAC SUPER, through 3000rpm high-speed stirred 0.5h, obtain
Magnetic flow liquid.Sedimentation phenomenon was not found by the natural standing of 6 months.
Embodiment 3
A kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire, is comprised the following steps：
（1）The directional magnetic field for applying 2000Oe in iron silicon boron alloy silk, preparation process is prepared with m elt-spun overqu- enching；
（2）It will be placed in after the silk shearing of iron silicon boron alloy in silane coupler, 1.5h stirred at 70 DEG C, to iron silicon boron alloy silk
Surface modification is carried out, then 1.5h is dried in vacuo at 90 DEG C；
（3）Dried iron silicon boron alloy silk is put into ball grinder, and adds a small amount of silane coupler, hardened steel is used
Ball carries out high-energy ball milling and crushed, and adjusts ball-milling technology（Ratio of grinding media to material, rotating speed, Ball-milling Time）Control the major diameter of ferrous alloy micro wire
Than；
（4）1h will be dried in vacuo at 85 DEG C by the iron silicon boron micro wire of ball mill crushing, as magnetic suspension phase, with methyl
Silicone oil is base fluid, and mass fraction is added in methyl-silicone oil for 35% iron silicon boron micro wire, then to iron silicon boron and methyl-silicone oil
Mixture in add mass fraction be 1.5% thixotropic agent CRAYVALLAC SUPER, through 3000rpm high-speed stirred 1h, obtain
Magnetic flow liquid.Sedimentation phenomenon was not found by the natural standing of 6 months.
Claims (6)
1. a kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire, it is characterised in that：Comprise the following steps：
（1）From wire ferrous alloy micro wire be magnetic flow liquid magnetic suspension phase, using melt-quenching method 1000 ~
Ferrous alloy micro wire is sprayed in 2000 Oe directional magnetic field；
（2）After ferrous alloy micro wire is clipped, it is soaked in silane coupler, 1 ~ 2h of heating stirring at 65 ~ 75 DEG C, to it
Surface is modified, and then dries the ferrous alloy micro wire isolated in vacuum drying chamber；
（3）The ferrous alloy micro wire that surface modification is crossed is placed in ball grinder, is added silane coupler, is carried out with hardened steel ball
High-energy ball milling is crushed；Vacuum is carried out at 80 ~ 85 DEG C after adjusting the draw ratio that ball-milling technology changes ferrous alloy micro wire, ball milling
Dry 1 ~ 2h；
（4）Using the ferrous alloy micro wire by ball mill crushing as suspended phase, using methyl-silicone oil as base fluid, the thixotroping of addition 1 ~ 2%
Agent, by 0.5 ~ 1h of 3000rpm high-speed stirreds, activation, prepares the magnetic flow liquid of different ratio.
2. a kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire according to claim 1, it is characterised in that：
Step（1）The suspended phase of described magnetic flow liquid is wire, is prepared by melt-quenching method, and regulation induction heating power makes
Sample melting in quartz ampoule, when the liquid level lifting for melting sample is touched, and a thread sword line is got rid of on copper roll surface, adjustment feeding motor turns
Silk is got rid of in speed, progress, in the additional directional magnetic field of jet pipe, obtains the ferrous alloy micro wire of high magnetic permeability.
3. a kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire according to claim 2, it is characterised in that：
By adjusting heating power, feeding motor speed, copper roller rotating speed, the micron-sized ferrous alloy silk of different line footpaths is obtained.
4. a kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire according to claim 1, it is characterised in that：
Step（2）After the ferrous alloy micron line shearing, surface modification is carried out with silane coupler, it is then dry in 85 ~ 95 DEG C of vacuum
Dry 0.5 ~ 1.5h.
5. a kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire according to claim 1, it is characterised in that：
Step（3）The draw ratio of described ferrous alloy micro wire is controlled by adjusting ratio of grinding media to material, rotating speed and Ball-milling Time.
6. a kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire according to claim 1, it is characterised in that：
Step（4）Described thixotropic agent is the CRAYVALLAC SUPER of Arkema's production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610047446.9A CN105598459B (en) | 2016-01-25 | 2016-01-25 | A kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610047446.9A CN105598459B (en) | 2016-01-25 | 2016-01-25 | A kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105598459A CN105598459A (en) | 2016-05-25 |
| CN105598459B true CN105598459B (en) | 2017-10-27 |
Family
ID=55979092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610047446.9A Expired - Fee Related CN105598459B (en) | 2016-01-25 | 2016-01-25 | A kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105598459B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531388B (en) * | 2016-10-28 | 2019-02-05 | 广东工业大学 | A kind of preparation method of composite magnetic powder and composite magnetic powder core |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0670921B2 (en) * | 1988-06-03 | 1994-09-07 | 松下電器産業株式会社 | Magnetic fluid, method of manufacturing the same, and magnetic seal device using the same |
| CN1230501C (en) * | 2002-09-25 | 2005-12-07 | 重庆仪表材料研究所 | Stable magnetic rheological liquid and its preparation method |
| CN1317721C (en) * | 2004-06-22 | 2007-05-23 | 上海大学 | A magnetic rheological fluid and preparing method thereof |
| CN100428375C (en) * | 2004-12-25 | 2008-10-22 | 重庆仪表材料研究所 | Magnetic rheological fluid |
| CN100433205C (en) * | 2005-12-15 | 2008-11-12 | 北京钢研高纳科技股份有限公司 | Magnetic rheological fluid containing superfine amorphous muterial |
| CN101266861A (en) * | 2008-01-04 | 2008-09-17 | 重庆大学 | A magneto-rheological liquid without sediment |
| CN101740192B (en) * | 2009-12-24 | 2012-07-18 | 上海交通大学 | Thermoplastic magnetorheological elastomer composite material and preparation method thereof |
| KR101865939B1 (en) * | 2012-03-12 | 2018-07-05 | 현대자동차주식회사 | A method for praparing Magnetorheological Fluid |
| CN102737803B (en) * | 2012-06-29 | 2016-04-13 | 中国科学技术大学 | Phase change type magnetorheological material and preparation method thereof |
| JP6057938B2 (en) * | 2014-03-20 | 2017-01-11 | 株式会社栗本鐵工所 | Magnetorheological fluid and clutch using the same |
-
2016
- 2016-01-25 CN CN201610047446.9A patent/CN105598459B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105598459A (en) | 2016-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Sassi et al. | An innovative magnetorheological damper for automotive suspension: from design to experimental characterization | |
| Baranwal et al. | MR-fluid technology and its application-a review | |
| CN103322113B (en) | Controllable torque device based on magnetorheological materials | |
| Ge et al. | The rheological properties of shear thickening fluid reinforced with SiC nanowires | |
| CN100415903C (en) | Nanolizing method for metal surface | |
| CN105546023B (en) | A kind of combination shock absorber based on MR damper | |
| CN106571206A (en) | Micro-nano magnetorheological fluid and preparation method thereof | |
| CN104314974B (en) | A kind of cylinder roller bearing with integrated damper based on magnetic rheology effect | |
| CN105598459B (en) | A kind of method that magnetic flow liquid is prepared based on ferrous alloy micro wire | |
| CN109243748A (en) | A kind of pair of dispersion magnetorheological fluid and preparation method thereof | |
| KR20150036527A (en) | Magnetorheological fluid for ultrasmooth polishing | |
| Kariganaur et al. | Effect of temperature on sedimentation stability and flow characteristics of magnetorheological fluids with damper as the performance analyser | |
| CN101907138B (en) | Power consumption-free permanent magnet-excited magnetorheological clutch | |
| CN103953667A (en) | High-efficiency magneto-rheological braking device | |
| CN106246796B (en) | A kind of automotive suspension self-supplied magnetic current damper device | |
| CN103148190A (en) | Magneto-rheological clutch, brake and variable speed control drive assembly device | |
| DONG et al. | Properties of magneto-rheological fluids based on amorphous micro-particles | |
| CN208587391U (en) | A kind of sliding bearing brake apparatus based on magnetic rheology effect | |
| CN206468738U (en) | Using the two-channel magnetorheological damper in double acting magnetic field | |
| CN107059154A (en) | A kind of preparation method of magnetic epoxy composite fibre | |
| Ramkumar et al. | Synthesis characterization and functional analysis of magneto rheological fluid–a critical review | |
| Lu et al. | Polishing properties of tiny grinding wheel based on Fe3O4 electrorheological fluid | |
| CN103615490B (en) | A kind of energy feedback self-control magneto-rheological shock absorber | |
| Yiping et al. | Summarization of magneto-rheological fluid and its application in engineering | |
| Gao et al. | Characteristics of a novel atomized spherical magnetic abrasive powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20210125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |