CN103525505A - Carbonyl iron powder capable of enhancing magnetorheological effect and magnetorheological fluid prepared from carbonyl iron powder - Google Patents
Carbonyl iron powder capable of enhancing magnetorheological effect and magnetorheological fluid prepared from carbonyl iron powder Download PDFInfo
- Publication number
- CN103525505A CN103525505A CN201310533365.6A CN201310533365A CN103525505A CN 103525505 A CN103525505 A CN 103525505A CN 201310533365 A CN201310533365 A CN 201310533365A CN 103525505 A CN103525505 A CN 103525505A
- Authority
- CN
- China
- Prior art keywords
- carbonyl iron
- obtains
- iron dust
- magnetic flow
- flow liquid
- 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.)
- Granted
Links
Images
Landscapes
- Soft Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses carbonyl iron powder capable of enhancing the magnetorheological effect and magnetorheological fluid prepared from the carbonyl iron powder. According to the magnetorheological fluid prepared from the carbonyl iron powder, binary acid is used as the additive, and therefore the yield stress and sedimentation stability of the magnetorheological fluid are effectively improved. The preparing method of the magnetorheological fluid comprises the steps of adding the carbonyl iron powder into the mixed solution of the binary acid and isopropanol, and carrying out ultrasonic dispersion, mechanical milling and vacuum drying to obtain the carbonyl iron powder with the surface treated; adding thixotropic agents and lubricant additives into base oil in sequence to obtain carrier liquid after stirring and mixing; adding the carbonyl iron powder into the carrier liquid, carrying out ultrasonic dispersion and mechanical milling to obtain grinding balls through separation, and then obtaining the magnetorheological which is stable and efficient. The magnetorheological liquid can acquire quite high shear yield stress in a small magnetic field, and therefore the magnetorheological fluid has great application value in the automobile industry, in the measuring technique industry, in the machining industry and in the robot industry.
Description
Technical field
The invention belongs to intelligent material Design & preparation technical field, be specifically related to magnetic flow liquid preparation and additive application technology.
Background technology
Magnetic rheology effect, will there is noticeable change in the rheological characteristics such as its stickiness, plasticity under additional the action of a magnetic field, and this transformation is moment, reversible, present controlled shear yield strength.Structure under the structure of magnetic flow liquid and mechanical behavior, especially the action of a magnetic field and mechanical behavior are study hotspot and the emphasis in this field always, are also its effectively critical problems of the essential solution of application institute, and scientific circles and engineering circles are all being made great efforts for this reason for many years.
The mangneto yielding stress of magnetic flow liquid, represents and the size of its solidification intensity has important engineering significance, is one of leading indicator of evaluating this material property.The null field viscosity of most magnetic flow liquid is higher, stability is undesirable.For increasing magnetic rheology effect, conventionally adopt the carrier fluid that viscosity is higher and improve magnetic particle size percentage concentration, this increases the null field viscosity of magnetic flow liquid, limited the application of magnetic flow liquid in some occasion, as magneto-rheologic liquid brake requires friction resistance as far as possible little when not applying magnetic field.Under same magnetic field intensity and shear strain rate, the magnetic flow liquid of the ferroalloy particles based on high magnetic intensity, its mechanical strength is larger.But the alloy material of this high magnetic saturation intensity, preparation cost is higher, is unfavorable for applying.The people such as Tang [J.C.Ulicny; K.S.Snavely; M.A.Golden; D.J.Klingenberg.Enhancing magnetorheology with nonmagnetizable particles.Appl.Phys.Lett.2010,96,231903-231903-3] by the magnetic flow liquid under compression the action of a magnetic field, record static yield stress up to 800kpa, yet this technology may and not be suitable for most magnetorheological devices.
The magnetic flow liquid that has commercial promise is to have high yielding stress to medium tenacity magnetic field, can keep again the liquid of good stability.The present patent application people finds under study for action, the sedimentation stability that uses diprotic acid can effectively strengthen magnetic rheology effect and improve magnetic flow liquid as additive, and preparation technology is simple, cost is low, thereby can be used to produce low density, dynamical magnetic flow liquid.
Summary of the invention
The object of the invention is to be to provide a kind of carbonyl iron dust that can strengthen magnetic rheology effect, and then provide magnetic flow liquid of a kind of efficient stable and preparation method thereof, this carbonyl iron dust is usingd diprotic acid as additive, has effectively improved yielding stress and the sedimentation stability of magnetic flow liquid.
Technical scheme of the present invention:
One of object of the present invention is to provide a kind of magnetic flow liquid carbonyl iron dust, and described carbonyl iron dust is to adopt diprotic acid carry out surface treatment according to the following steps and obtain:
Step 2, diprotic acid is joined in Virahol by 0.2%～2.5% of carbonyl iron dust quality, stir, obtain mixed solution after dissolved dilution, described diprotic acid is one or more combination of dimeracid, linoleic acid dimer, dodecanedioic acid;
Step 3, dry carbonyl iron dust is joined in the mixed solution that step 2 obtains, after stirring, ultrasonic wave is disperseed, and obtains suspension;
Step 4, the suspension obtaining in step 3 is packed in ball grinder, then add zirconium oxide balls, the mass ratio of mixture and abrading-ball is 1:(3～5), after milled, ball liquid is separated;
When the above magnetic flow liquid of preparation is used carbonyl iron dust, the vacuum tightness of the dry carbonyl iron dust of step 1 is-0.1～0.2MPa, and temperature is 70～100 ℃, time 12～16h.In step 5 step 5, dry vacuum tightness is-0.1～0.2MPa, 60～80 ℃ of temperature, time 6～9h.In step 3, ultrasonic wave jitter time is 15～30min.In step 4, adding zirconic diameter is 5～15mm, is preferably 10mm, and rotational speed of ball-mill 250～600rpm, is preferably 300rpm, time 6～8h.
Two of the object of the invention is to provide the magnetic flow liquid that adopts above carbonyl iron dust to prepare, and it consists of by mass percentage following component:
Surface treated carbonyl iron dust: 55%～89%
Base oil: 10%～42%
Thixotropic agent: 0.5%～1.5%
Slip additive: 0.5%～1.5%
Described base oil is methyl-silicone oil, mineral oil;
Described thixotropic agent is nano silicon, kaolin powder or organic clay;
Described slip additive is graphite, molybdenumdisulphide, boron nitride, tetrafluoroethylene, stearic acid, the combination of one or more in lauric acid or oleic acid.
Preparation process is:
Step 2, slip additive is joined in the mixed solution that step 1 obtains by 0.5%～1.0% of magnetic flow liquid total mass, after stirring, ultrasonic wave is disperseed, and obtains mixed solution;
Step 3, the carbonyl iron dust after surface treatment is joined in the mixed solution that step 2 obtains, after stirring, ultrasonic wave is disperseed, and obtains suspension;
Step 4, the suspension obtaining in step 3 being placed in to ball grinder, is that 1:3 adds zirconium oxide balls by the mass ratio of mixture and abrading-ball, after milled, ball liquid is separated, obtains magnetic flow liquid, packs sealing in dry plastic containers into and gets final product prolonged preservation.
In the preparation of above magnetic flow liquid, the ultrasonic wave jitter time 15～30min of step 1-step 3.The abrading-ball rotating speed of step 4 is 250～600rpm, is preferably 300rpm, and time 10～16h, is preferably 12h.
The invention provides a kind of new method and strengthen magnetic rheology effect, by using diprotic acid as additive, significantly improved the yielding stress of magnetic flow liquid.In addition, as a kind of effective dispersion agent, the composite use of diprotic acid and thixotropic agent, is conducive to improve the sedimentation stability of magnetic flow liquid,
Magnetic flow liquid of the present invention has sedimentation stability, friction and wear behavior and the chemical stability of significant magnetic rheology effect, excellence, and the feature such as low null field viscosity, and preparation technology is simple, cost is lower, can be widely used in the fields such as machinery, automobile, aviation, precision sizing, building, medical treatment.
Accompanying drawing explanation
Fig. 1: the relation curve of magnetic flow liquid null field viscosity of the present invention and shearing rate.
Fig. 2-1: do not add the magnetic flow liquid (contrast sample) of diprotic acid at the relation curve of different magnetic field intensity down cut stress and shearing rate.
The magnetic flow liquid of Fig. 2-2: embodiment 1 is at the relation curve of different magnetic field intensity down cut stress and shearing rate.
The magnetic flow liquid of Fig. 2-3: embodiment 2 is at the relation curve of different magnetic field intensity down cut stress and shearing rate.
Fig. 3: the volume fraction that the standing postprecipitation thing of magnetic flow liquid of the present invention accounts for total amount is curve over time.
Embodiment
In order to understand better the present invention, below in conjunction with example, further set forth content of the present invention, but content of the present invention is not only confined to the following examples.
The present invention adopts the senior rheometer of the MCR301 modularization intelligent type of Austrian Anton Paar company to measure the rheological characteristics of magnetic flow liquid.
The present invention adds 20ml magnetic flow liquid in graduated test tube, standing for a long time, observes the settling property that throw out characterizes magnetic flow liquid over time.
The carbonyl iron dust median size adopting in following example is 1-5 μ m, distribution spherical in shape, and purity is 99.9%.
Prepare 100 milliliters of (118.3 grams) silicone oil based magnetic rheologic liquids, preparation process is:
Step 2,1.2g dimeracid is joined in 35ml Virahol, stir, after dissolved dilution, obtain mixed solution;
Step 3, dry carbonyl iron dust is joined in the mixed solution that step 2 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 4, the suspension obtaining in step 3 is packed in ball grinder, then to add diameter be the zirconium oxide balls of 10mm, the mass ratio of mixture and abrading-ball is 1:3, with rotating speed ball milling 6～8h of 300rpm, after milled, ball liquid is separated;
Step 7, the carbonyl iron dust after surface treatment is joined in the mixed solution that step 6 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 8, the suspension obtaining in step 7 being placed in to ball grinder, is that 1:3 adds zirconium oxide balls by the mass ratio of mixture and abrading-ball, with the rotating speed ball milling 12h of 300rpm, after milled, ball liquid is separated, obtains magnetic flow liquid.
Embodiment 2
Prepare 100 milliliters of (118.3g) silicone oil based magnetic rheologic liquids, preparation process is:
Step 2,1.2g dodecanedioic acid is joined in 35ml Virahol, stir, after dissolved dilution, obtain mixed solution;
Step 3, dry carbonyl iron dust is joined in the mixed solution that step 2 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 4, the suspension obtaining in step 3 is packed in ball grinder, then to add diameter be the zirconium oxide balls of 10mm, the mass ratio of mixture and abrading-ball is 1:3, with rotating speed ball milling 6～8h of 300rpm, after milled, ball liquid is separated;
Step 7, the carbonyl iron dust after surface treatment is joined in the mixed solution that step 6 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 8, the suspension obtaining in step 7 being placed in to ball grinder, is that 1:3 adds zirconium oxide balls by the mass ratio of mixture and abrading-ball, with the rotating speed ball milling 12h of 300rpm, after milled, ball liquid is separated, obtains magnetic flow liquid.
Embodiment 3
Prepare 100 milliliters of (117.5g) silicone oil based magnetic rheologic liquids, preparation process is:
Step 2,1.2g dimeracid is entered in 35ml Virahol, stir, after dissolved dilution, obtain mixed solution;
Step 3, dry carbonyl iron dust is joined in the mixed solution that step 2 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 4, the suspension obtaining in step 3 is packed in ball grinder, then to add diameter be the zirconium oxide balls of 10mm, the mass ratio of mixture and abrading-ball is 1:3, with rotating speed ball milling 6～8h of 300rpm, after milled, ball liquid is separated;
Step 7, the suspension obtaining in step 6 being placed in to ball grinder, is that 1:3 adds zirconium oxide balls by the mass ratio of mixture and abrading-ball, with the rotating speed ball milling 12h of 300rpm, after milled, ball liquid is separated, obtains magnetic flow liquid.
Embodiment 4
Preparation 102.3g silicone oil based magnetic rheologic liquid, preparation process is:
Step 2,1.0g linoleic acid dimer is joined in 35ml Virahol, stir, after dissolved dilution, obtain mixed solution;
Step 3, dry carbonyl iron dust is joined in the mixed solution that step 2 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 4, the suspension obtaining in step 3 is packed in ball grinder, then to add diameter be the zirconium oxide balls of 10mm, the mass ratio of mixture and abrading-ball is 1:3, with rotating speed ball milling 6～8h of 300rpm, after milled, ball liquid is separated;
Step 7, the carbonyl iron dust after surface treatment is joined in the mixed solution that step 6 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 8, the suspension obtaining in step 7 being placed in to ball grinder, is that 1:3 adds zirconium oxide balls by the mass ratio of mixture and abrading-ball, with the rotating speed ball milling 12h of 300rpm, after milled, ball liquid is separated, obtains magnetic flow liquid.
Preparation 103.7g silicone oil based magnetic rheologic liquid, preparation process is:
Step 2,0.8g linoleic acid dimer is joined in 35ml Virahol, stir, after dissolved dilution, obtain mixed solution;
Step 3, dry carbonyl iron dust is joined in the mixed solution that step 2 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 4, the suspension obtaining in step 3 is packed in ball grinder, then to add diameter be the zirconium oxide balls of 10mm, the mass ratio of mixture and abrading-ball is 1:3, with rotating speed ball milling 6～8h of 300rpm, after milled, ball liquid is separated;
Step 7,1.2g tetrafluoroethylene is joined in the mixed solution that step 6 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains mixed solution;
Step 8, the carbonyl iron dust after surface treatment is joined in the mixed solution that step 7 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 9, the suspension obtaining in step 8 being placed in to ball grinder, is that 1:3 adds zirconium oxide balls by the mass ratio of mixture and abrading-ball, with the rotating speed ball milling 12h of 300rpm, after milled, ball liquid is separated, obtains magnetic flow liquid.
Preparation 112.9g silicone oil based magnetic rheologic liquid, preparation process is:
Step 2,1.0g dodecanedioic acid is joined in 35ml Virahol, stir, after dissolved dilution, obtain mixed solution;
Step 3, dry carbonyl iron dust is joined in the mixed solution that step 2 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 4, the suspension obtaining in step 3 is packed in ball grinder, then to add diameter be the zirconium oxide balls of 10mm, the mass ratio of mixture and abrading-ball is 1:3, with rotating speed ball milling 6～8h of 300rpm, after milled, ball liquid is separated;
Step 7,1.0g graphite is joined in the mixed solution that step 6 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains mixed solution;
Step 8, the carbonyl iron dust after surface treatment is joined in the mixed solution that step 7 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 9, the suspension obtaining in step 8 being placed in to ball grinder, is that 1:3 adds zirconium oxide balls by the mass ratio of mixture and abrading-ball, with the rotating speed ball milling 12h of 300rpm, after milled, ball liquid is separated, obtains magnetic flow liquid.
Claims (10)
1. a magnetic flow liquid carbonyl iron dust, is characterized in that, described carbonyl iron dust is to adopt diprotic acid carry out surface treatment according to the following steps and obtain:
Step 1, carbonyl iron dust is dry, removes surperficial planar water, and described carbonyl iron dust median size is 1-5 μ m, distribution spherical in shape, and purity is 99.9%;
Step 2, diprotic acid is joined in Virahol by 0.2%～2.5% of carbonyl iron dust quality, stir, obtain mixed solution after dissolved dilution, described diprotic acid is one or more combination of dimeracid, linoleic acid dimer, dodecanedioic acid;
Step 3, dry carbonyl iron dust is joined in the mixed solution that step 2 obtains, after stirring, ultrasonic wave is disperseed, and obtains suspension;
Step 4, the suspension obtaining in step 3 is packed in ball grinder, then add zirconium oxide balls, the mass ratio of mixture and abrading-ball is 1:(3～5), after milled, ball liquid is separated;
Step 5, that the suspension obtaining in step 4 is placed in to vacuum drying oven is dry, the blocks of solid of gained is pulverized after dry and obtains the carbonyl iron dust after surface treatment.
2. magnetic flow liquid carbonyl iron dust according to claim 1, is characterized in that, the vacuum tightness of the dry carbonyl iron dust of described step 1 is-0.1～0.2MPa, and temperature is 70～110 ℃, time 12～16h; In step 5 step 5, dry vacuum tightness is-0.1～0.2MPa, 60～80 ℃ of temperature, time 6～9h.
3. magnetic flow liquid carbonyl iron dust according to claim 1, is characterized in that, in described step 3, ultrasonic wave jitter time is 15～30min.
4. magnetic flow liquid carbonyl iron dust according to claim 1, is characterized in that, in described step 4, adding zirconic diameter is 5～15mm, is preferably 10mm, and rotational speed of ball-mill 250～600rpm, is preferably 300rpm, time 6～8h.
5. magnetic flow liquid carbonyl iron dust according to claim 1, is characterized in that, described carbonyl iron dust is to adopt diprotic acid carry out surface treatment according to the following steps and obtain:
Step 1, by carbonyl iron dust, in vacuum tightness, be that 0.1MPa, temperature are dry 12h under 70 ℃ of conditions, remove surperficial physical absorption water; Described carbonyl iron dust median size is 1-5 μ m, distribution spherical in shape, and purity is 99.9%;
Step 2, diprotic acid is joined in Virahol by 0.5%～2.0% of magnetic flow liquid total mass, stir, after dissolved dilution, obtain mixed solution;
Step 3, dry carbonyl iron dust is joined in the mixed solution that step 2 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 4, the suspension obtaining in step 3 is packed in ball grinder, then to add diameter be the zirconium oxide balls of 10mm, the mass ratio of mixture and abrading-ball is 1:3, with rotating speed ball milling 6～8h of 300rpm, after milled, ball liquid is separated;
Step 5, the suspension obtaining in step 4 being placed in to electric vacunm drying case, is that 0.1MPa, temperature are dry 6h under 70 ℃ of conditions in vacuum tightness, the blocks of solid of gained is pulverized after dry and obtains the carbonyl iron dust after surface treatment.
6. the magnetic flow liquid that the carbonyl iron dust described in any one of employing claim 1-5 obtains, is characterized in that: described magnetic flow liquid consists of by mass percentage following component:
Surface treated carbonyl iron dust: 55%～89%
Base oil: 10%～42%
Thixotropic agent: 0.5%～1.5%
Slip additive: 0.5%～1.5%
Described base oil is methyl-silicone oil, mineral oil;
Described thixotropic agent is nano silicon, kaolin powder or organic clay;
Described slip additive is graphite, molybdenumdisulphide, boron nitride, tetrafluoroethylene, stearic acid, the combination of one or more in lauric acid or oleic acid.
7. the preparation method of magnetic flow liquid claimed in claim 6, is characterized in that, preparation process is:
Step 1, thixotropic agent is added in base oil by 0.5%～1.5% of magnetic flow liquid total mass, after stirring, ultrasonic wave is disperseed, and obtains mixed solution;
Step 2, slip additive is joined in the mixed solution that step 1 obtains by 0.5%～1.0% of magnetic flow liquid total mass, after stirring, ultrasonic wave is disperseed, and obtains mixed solution;
Step 3, the carbonyl iron dust after surface treatment is joined in the mixed solution that step 2 obtains, after stirring, ultrasonic wave is disperseed, and obtains suspension;
Step 4, the suspension obtaining in step 3 being placed in to ball grinder, is that 1:3 adds zirconium oxide balls by the mass ratio of mixture and abrading-ball, after milled, ball liquid is separated, obtains magnetic flow liquid, packs sealing in dry plastic containers into and gets final product prolonged preservation.
8. the preparation method of magnetic flow liquid claimed in claim 7, is characterized in that, the ultrasonic wave jitter time 15～30min of described step 1-step 3.
9. the preparation method of magnetic flow liquid claimed in claim 7, is characterized in that, the abrading-ball rotating speed of described step 4 is 250～600rpm, is preferably 300rpm, and time 10～16h, is preferably 12h.
10. the preparation method of magnetic flow liquid claimed in claim 7, is characterized in that, preparation process is:
Step 1, thixotropic agent is added in base oil by 0.5%～1.5% of magnetic flow liquid total mass, after stirring, ultrasonic wave is disperseed 20min, obtains mixed solution;
Step 2, slip additive is joined in the mixed solution that step 1 obtains by 0.5%～1.0% of magnetic flow liquid total mass, after stirring, ultrasonic wave is disperseed 20min, obtains mixed solution;
Step 3, the carbonyl iron dust after surface treatment is joined in the mixed solution that step 2 obtains, after stirring, ultrasonic wave is disperseed 20min, obtains suspension;
Step 4, the suspension obtaining in step 3 is placed in to ball grinder, by the mass ratio of mixture and abrading-ball, be that 1:3 adds zirconium oxide balls, with the rotating speed ball milling 12h of 300rpm, after milled, ball liquid is separated, obtain magnetic flow liquid, pack sealing in dry plastic containers into and get final product prolonged preservation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533365.6A CN103525505B (en) | 2013-11-01 | 2013-11-01 | Carbonyl iron powder capable of enhancing magnetorheological effect and magnetorheological fluid prepared from carbonyl iron powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533365.6A CN103525505B (en) | 2013-11-01 | 2013-11-01 | Carbonyl iron powder capable of enhancing magnetorheological effect and magnetorheological fluid prepared from carbonyl iron powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103525505A true CN103525505A (en) | 2014-01-22 |
| CN103525505B CN103525505B (en) | 2015-04-29 |
Family
ID=49927862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310533365.6A Expired - Fee Related CN103525505B (en) | 2013-11-01 | 2013-11-01 | Carbonyl iron powder capable of enhancing magnetorheological effect and magnetorheological fluid prepared from carbonyl iron powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103525505B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104560301A (en) * | 2014-12-12 | 2015-04-29 | 中国矿业大学 | Mineral oil based magnetorheological fluid for high power transmission and preparation method thereof |
| CN104774676A (en) * | 2015-03-16 | 2015-07-15 | 三峡大学 | Magnetorheological fluid with high conductivity and preparation method thereof |
| CN106710774A (en) * | 2016-12-23 | 2017-05-24 | 上海工程技术大学 | High-stability magnetorheological fluid and preparation method thereof |
| WO2017151429A1 (en) * | 2016-02-29 | 2017-09-08 | Gsdi Specialty Dispersions, Inc. | Thermally conductive silicone elastomers |
| CN107716002A (en) * | 2017-11-06 | 2018-02-23 | 齐鲁工业大学 | The apparatus and method that a kind of pure shear ball milling prepares hexagonal boron nitride nanosheet with supersonic synergic |
| CN111266938A (en) * | 2020-03-26 | 2020-06-12 | 大连圣多教育咨询有限公司 | Workpiece polishing method |
-
2013
- 2013-11-01 CN CN201310533365.6A patent/CN103525505B/en not_active Expired - Fee Related
Non-Patent Citations (3)
| Title |
|---|
| 姚金光等: "羰基铁粉表面有机改性及其对磁流变液性能的影响", 《功能材料》 * |
| 孙光飞等: "《磁功能材料》", 31 December 2010, article "磁功能材料", pages: 402-403 * |
| 孙光飞等: "《磁功能材料》", 31 December 2010, 化学工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104560301A (en) * | 2014-12-12 | 2015-04-29 | 中国矿业大学 | Mineral oil based magnetorheological fluid for high power transmission and preparation method thereof |
| CN104774676A (en) * | 2015-03-16 | 2015-07-15 | 三峡大学 | Magnetorheological fluid with high conductivity and preparation method thereof |
| WO2017151429A1 (en) * | 2016-02-29 | 2017-09-08 | Gsdi Specialty Dispersions, Inc. | Thermally conductive silicone elastomers |
| CN106710774A (en) * | 2016-12-23 | 2017-05-24 | 上海工程技术大学 | High-stability magnetorheological fluid and preparation method thereof |
| CN107716002A (en) * | 2017-11-06 | 2018-02-23 | 齐鲁工业大学 | The apparatus and method that a kind of pure shear ball milling prepares hexagonal boron nitride nanosheet with supersonic synergic |
| CN111266938A (en) * | 2020-03-26 | 2020-06-12 | 大连圣多教育咨询有限公司 | Workpiece polishing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103525505B (en) | 2015-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103525505A (en) | Carbonyl iron powder capable of enhancing magnetorheological effect and magnetorheological fluid prepared from carbonyl iron powder | |
| Wattanakul et al. | The adsorption of cationic surfactants on BN surface: Its effects on the thermal conductivity and mechanical properties of BN-epoxy composite | |
| Papo et al. | Sodium tripolyphosphate and polyphosphate as dispersing agents for kaolin suspensions: rheological characterization | |
| CN100447913C (en) | Stable water based magnetic rheologic liquid, and preparation method | |
| Senapati et al. | Predicting viscosity of limestone–water slurry | |
| JP6251258B2 (en) | Microemulsions and their use as nanoreactors or delivery vehicles | |
| Bigg | Rheological behavior of highly filled polymer melts | |
| CN104858422B (en) | A kind of stainless steel composite powder for 3D printing and preparation method thereof | |
| CN100454452C (en) | Stable silicone oil based magnetic rheologic liquid, and preparation method | |
| CN102737803A (en) | Phase change type magnetorheological material and preparation method thereof | |
| CN101250380A (en) | Water-based magneto-rheological polishing liquid for optical processing and preparation method thereof | |
| Shan et al. | Effects of pH on shear thinning and thickening behaviors of fumed silica suspensions | |
| CN101457172B (en) | Stabilizing type magnetic rheological fluid | |
| CN101712904A (en) | Magneto-rheological fluid | |
| RU2422933C2 (en) | Magnetic-rheological composition | |
| JP5222296B2 (en) | Magnetic fluid composition | |
| Meng et al. | Thermal conductivities, rheological behaviors and photothermal properties of ethylene glycol-based nanofluids containing carbon black nanoparticles | |
| CN104342227A (en) | Lubricant additive with extreme pressure resistance as well as preparation and application methods of lubricant additive | |
| CN103215113A (en) | Magneto-rheological fluid with good settling agglomeration resistance | |
| CN111354526B (en) | Method for manufacturing dry-pressed anisotropic sintered ferrite | |
| CN108587743B (en) | Magnetorheological adhesive and preparation method thereof | |
| CN104479844A (en) | Water-based lubricating fluid with ultralow frictional coefficient and preparation method of water-based lubricating fluid | |
| CN103447534B (en) | A kind of gel casting method based on organic physical gel | |
| CN106701277A (en) | Micro-nano engine oil and preparation method thereof | |
| CN102041154B (en) | Preparation method of water-based magneto rheological hydraulic transmission medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Xuemei Inventor after: Yang Jianjian Inventor after: Yan Hua Inventor after: Hu Zhide Inventor after: Guo Junjun Inventor before: Yan Hua Inventor before: Yang Jianjian Inventor before: Hu Zhide Inventor before: Wang Xuemei |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YAN HUA YANG JIANJIAN HU ZHIDE WANG XUEMEI TO: WANG XUEMEI YANG JIANJIAN YAN HUA HU ZHIDE GUO JUNJUN |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20171101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |