CN107841694B - A kind of liquid metal complex fiber material and preparation method thereof that rigidity is controllable - Google Patents
A kind of liquid metal complex fiber material and preparation method thereof that rigidity is controllable Download PDFInfo
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- CN107841694B CN107841694B CN201711039460.5A CN201711039460A CN107841694B CN 107841694 B CN107841694 B CN 107841694B CN 201711039460 A CN201711039460 A CN 201711039460A CN 107841694 B CN107841694 B CN 107841694B
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- liquid metal
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- fiber
- rigidity
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- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 45
- 239000002657 fibrous material Substances 0.000 title claims abstract description 24
- 150000004696 coordination complex Chemical class 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000000835 fiber Substances 0.000 claims abstract description 29
- 239000006249 magnetic particle Substances 0.000 claims abstract description 28
- 238000009826 distribution Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 230000006698 induction Effects 0.000 claims abstract description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 16
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 8
- 239000004917 carbon fiber Substances 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 229910000846 In alloy Inorganic materials 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 3
- 230000005496 eutectics Effects 0.000 claims description 3
- 229910052733 gallium Inorganic materials 0.000 claims description 3
- 239000002105 nanoparticle Substances 0.000 claims description 3
- 229920002972 Acrylic fiber Polymers 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 claims description 2
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 2
- 229920004933 Terylene® Polymers 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 2
- MPZNMEBSWMRGFG-UHFFFAOYSA-N bismuth indium Chemical compound [In].[Bi] MPZNMEBSWMRGFG-UHFFFAOYSA-N 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical group [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 2
- 229910052753 mercury Inorganic materials 0.000 claims description 2
- 239000011859 microparticle Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Powder Metallurgy (AREA)
Abstract
Magnetic-particle and fiber is distributed in liquid metal in a kind of liquid metal complex fiber material that rigidity is controllable, including liquid metal, and when no magnetic field applies, material keeps liquid, has good fluidity；When applying external magnetic field, magnetic-particle along magnetic induction line direction ordered arrangement, arrange under the constraint of magnetic-particle ordered arrangement along specific direction by fiber, plays the role of maintaining stable structure so that can be used as bracket when by external force；When removing externally-applied magnetic field, magnetic-particle distribution at random again, fiber returns to no restrained condition, and material comes back to flexible state, and the present invention also provides the preparation methods of the material.The present invention adds fiber by the structure of blade in simulation nature in the liquid metal for being mixed with magnetic-particle, regulates and controls the distribution of fiber by magnetic field to realize that the rigidity of material regulates and controls, response quickly, control is accurate, and it is convenient to operate, and can apply in the multiple fields such as flexible robot and ectoskeleton.
Description
Technical field
The invention belongs to liquid metal composite fibre technology field, in particular to a kind of liquid metal that rigidity is controllable is compound
Fibrous material and preparation method thereof.
Background technique
How easily and efficiently material intelligence is the important development direction of present material science, the property of controlled material
One of enable to adapt to be a problem to be solved in the functional requirement of different occasions.Rigidity controllability material can be according to people
Demand between rigid support and flexible motion free switching, device space and weight can be greatlyd save, and realize more
Outstanding performance
The controllable material main component of existing rigidity is organic matter, need to be just able to achieve under outfield (mostly electric field) effect
The regulation of rigidity.Mechanics, the electrical properties opposing metallic material of this material are poor, and the condition rigidly regulated and controled is to environmental requirement
It is higher, and it is difficult to realize fast and convenient invertibity regulation.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide a kind of liquid metals that rigidity is controllable
Complex fiber material and preparation method thereof, by the structure of blade in simulation nature, in the liquid metal for being mixed with magnetic-particle
Middle addition special fiber material regulates and controls the distribution of fiber in liquid metal by magnetic field to realize the rigidity tune of material itself
Control.It is multiple using the liquid metal that the manufacturing method can produce quick response, control is accurate and the convenient and fast rigidity of operation is controllable
Condensating fiber material.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of liquid metal complex fiber material that rigidity is controllable, including liquid metal are distributed in liquid metal and are magnetic
Particle and fiber, when no magnetic field applies, material keeps liquid, has good fluidity, and the material can be considered completely soft at this time
Property；When applying external magnetic field, the magnetic-particle is orderly arranged along magnetic induction line direction ordered arrangement, the fiber in magnetic-particle
It can also arrange along specific direction under the constraint of cloth, maintain stable structure so that can be used as bracket when by external force and play
Effect can be distributed fiber at this time using different magnetic field parameters (such as intensity, distribution) and play regulating and controlling effect, to make
The material shows different rigidity；When removing externally-applied magnetic field, magnetic-particle distribution at random again, the fiber is also returned
To no restrained condition, material comes back to flexible state.
The liquid metal can be the low of other components such as mercury, bismuth, gallium-indium-tin alloy, bismuth indium stannum alloy or gallium-indium alloy
Melting point metals, the fiber are elongate, threadlike structure, and the magnetic-particle refers to the magnetic microparticle of tool.
The gallium-indium alloy is preferably eutectic gallium-indium alloy, is 75.5% gallium and 24.5% indium group by mass fraction
At.
The fiber is carbon fiber bundle, terylene (pet fiber), acrylic fibers (polyacrylonitrile fibre)
Or the organic fiber of the other kinds of parameter similar such as nylon (Fypro), the carbon fiber bundle is by 1000~5000 lists
Root diameter is about that 7 microns of carbon fiber wire is polymerized, and diameter is about 0.01~0.6 millimeter, and length can be adjusted voluntarily.
The magnetic-particle can nano particle for iron, cobalt, nickel and its alloy etc. with magnetisable material, partial size is 10~
2000 nanometers.
Heretofore described fiber refers to elongated filiform, generally carbon fiber bundle, single by 1000~5000
Diameter is about that 7 microns of carbon fiber wire is polymerized, and diameter is about 0.01~0.6 millimeter, and length can be adjusted voluntarily.
The mass fraction of liquid metal described in material is 75~80%, and the mass fraction of magnetic-particle is 15~25%,
The heretofore described magnetic field design parameter for rigidity regulation can be adjusted according to actual needs, in general,
Magnetic field strength is bigger, and the rigidity of the material is higher, and the heterogeneous spatial distribution of this external magnetic field, which also has the rigidity of material, centainly to be mentioned
Height effect.
The present invention also provides the preparation methods of the controllable liquid metal complex fiber material of the rigidity, including walk as follows
It is rapid:
1) appropriate magnetic-particle is placed in liquid metal, hydrochloric acid is added, is stirred well to uniformly mixed, uses deionized water
Rinse out the extra magnetic-particle and hydrochloric acid of mixture surface attachment；
2) appropriate fiber is uniformly blended into the liquid metal that magnetic-particle is mixed with obtained in previous step, appropriate stirring enables fine
Dimension is uniformly distributed.
The mass fraction of the hydrochloric acid is 5%, and the volume ratio of hydrochloric acid and liquid metal is 20:1, final resulting composite wood
It is not hydrochloric in material.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention uses magnetic field for stiffness reliability means, compared with means such as traditional automatically controlled, temperature controls, has response speed
Fastly, advantage easy to operate, for it, lossless application provides possibility in vivo.
2, the material stiffness controlled range in the present invention is big, and rigidity can be adjusted to from 0 close to traditional metal materials, traditional
The range of material regulation is often limited only to the scope of macromolecule organic.
3, the material in the present invention has the metallines such as excellent electric conductivity, thermal conductivity, and traditional material predominantly has
Machine object, electric conductivity, thermal conductivity are poor.
4, the rigidity regulation of material is reversible in the present invention, and need to only remove magnetic field can restore flexible, and traditional material
Material is mostly irreversible, can not restore flexible again.
Detailed description of the invention
Fig. 1 is distribution schematic diagram inside the controllable liquid metal complex fiber material of rigidity of the present invention.
Fig. 2 is the liquid metal complex fiber material inside distribution schematic diagram that rigidity is controllable after applying magnetic field.
Fig. 3 is application schematic diagram of the controllable liquid metal complex fiber material of rigidity of the present invention in flexible robot.
Specific embodiment
The present invention is further described in the following with reference to the drawings and specific embodiments.It should be pointed out that being led for this technology
For the those of ordinary skill in domain, under the premise of being detached from the technology of the present invention principle, several improvement and replacement can also be made, this
A little improvement and replacement also should be regarded as protection scope of the present invention.
With reference to Fig. 1, the controllable liquid metal complex fiber material of heretofore described rigidity, mainly by liquid metal 1,
Fiber 2 and magnetic-particle 3 are constituted.
With reference to Fig. 2, specific steps that the rigidity of the liquid metal complex fiber material controllable to this kind of rigidity is regulated and controled
It is as follows:
1, when no magnetic field applies, which keeps liquid, has good mobility, the material can be considered complete at this time
It is flexible.
2, when applying external magnetic field 4, magnetic-particle 3 in liquid metal 1 can be along magnetic direction ordered arrangement, liquid at this time
Fiber 2 can also be arranged by the constraint of particle ordered arrangement along specific direction in state metal, can make when by external force
Play the role of maintaining stable structure for bracket.It can be to fibre at this time using different magnetic field parameters (such as intensity, distribution)
Regulating and controlling effect is played in dimension distribution, so that the material be made to show different rigidity.
3, when removing externally-applied magnetic field, magnetic-particle distribution at random again, fiber are also returned to without about pencil in liquid metal
State, material come back to flexible state.
It is the specific application example of material of the present invention below.
Embodiment 1:
Application of the controllable liquid metal complex fiber material of rigidity in flexible robot:
Heretofore described material can be used as the raw material of the actuator of flexible robot.As shown in figure 3, the flexibility
Principal organ of robot is robot controlling section 11 and the flexible arm 12 made of heretofore described material, without outer plus magnetic
In the case where, which embodies flexibility, and robot can freely change shape according to environment, and being fitted in across obstacle 13 needs
On the object 14 to be grabbed.When applying a magnetic field, which gets higher, and can grasp object, and operate to object.
Specific schematic diagram is shown in Fig. 3.This material can help to reduce the space occupied of flexible robot, can also expand flexible robot's
Application field.
Embodiment 2:
Application of the controllable liquid metal complex fiber material of rigidity in wearable ectoskeleton:
Heretofore described material can be used as the raw material of wearable ectoskeleton.It, should in the case where no externally-applied magnetic field
Material embodies flexibility, and ectoskeleton can be fitted tightly on the wearing person, and not influence its normal activity.When applying a magnetic field, should
The rigidity of material improves, and can play local supporting function to wearing people, help its completion task.Magnetic is removed after the completion of task
, material restores flexible, does not influence the normal life for dressing people.Not only comfort level greatly improves this wearable ectoskeleton, also
It can be preferably bonded the body curvature of wearing people, realize better supporting function.
Claims (8)
1. a kind of liquid metal complex fiber material that rigidity is controllable, which is characterized in that including liquid metal, divide in liquid metal
It is furnished with magnetic-particle and fiber, when no magnetic field applies, material keeps liquid, has good fluidity；Applying external magnetic field
When, for the magnetic-particle along magnetic induction line direction ordered arrangement, the fiber is specific in the constraint lower edge of magnetic-particle ordered arrangement
Direction arrangement is played the role of maintaining stable structure so that can be used as bracket when by external force；When removing externally-applied magnetic field
When, magnetic-particle distribution at random again, the fiber returns to no restrained condition, and material comes back to flexible state.
2. the controllable liquid metal complex fiber material of rigidity according to claim 1, which is characterized in that the liquid metal
For mercury, bismuth, gallium-indium-tin alloy, bismuth indium stannum alloy or gallium-indium alloy, the fiber is elongate, threadlike structure, and the magnetic-particle refers to
Has magnetic microparticle.
3. the controllable liquid metal complex fiber material of rigidity according to claim 2, which is characterized in that the gallium-indium alloy
For eutectic gallium-indium alloy, the fiber is carbon fiber bundle, terylene, acrylic fibers or nylon, the magnetic-particle be iron, cobalt, nickel and its
The nano particle of alloy.
4. the controllable liquid metal complex fiber material of rigidity according to claim 3, which is characterized in that the eutectic gallium indium
Alloy is that 75.5% gallium and 24.5% indium form by mass fraction；The carbon fiber bundle is by 1000~5000 single diameters
Carbon fiber wire for 7 microns is polymerized, and 0.01~0.6 millimeter of diameter, length is adjustable；The partial size of the nano particle be 10~
2000 nanometers.
5. the controllable liquid metal complex fiber material of rigidity according to claim 1, which is characterized in that be used for by adjusting
The magnetic field design parameter of rigidity regulation, to adjust material stiffness, magnetic field strength is bigger, and the rigidity of material is higher.
6. according to claim 1 or the controllable liquid metal complex fiber material of 5 rigidity, which is characterized in that using uneven
The rigidity of material is improved in the magnetic field of even spatial distribution.
7. the preparation method of the controllable liquid metal complex fiber material of rigidity described in claim 1, which is characterized in that including such as
Lower step:
1) appropriate magnetic-particle is placed in liquid metal, hydrochloric acid is added, is stirred well to uniformly mixed, is rinsed with deionized water
Fall the extra magnetic-particle of hydrochloric acid and surface attachment；
2) appropriate fiber is uniformly blended into the liquid metal that magnetic-particle is mixed with obtained in previous step, appropriate stirring enables fiber equal
Even distribution.
8. the preparation method of the controllable liquid metal complex fiber material of rigidity according to claim 7, which is characterized in that institute
The mass fraction for stating hydrochloric acid is 5%, and the volume ratio of hydrochloric acid and liquid metal is 20:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711039460.5A CN107841694B (en) | 2017-10-30 | 2017-10-30 | A kind of liquid metal complex fiber material and preparation method thereof that rigidity is controllable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711039460.5A CN107841694B (en) | 2017-10-30 | 2017-10-30 | A kind of liquid metal complex fiber material and preparation method thereof that rigidity is controllable |
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| Publication Number | Publication Date |
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| CN107841694A CN107841694A (en) | 2018-03-27 |
| CN107841694B true CN107841694B (en) | 2019-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110699585A (en) * | 2019-10-10 | 2020-01-17 | 清华大学 | Lightweight liquid metal composite material and preparation and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108457079B (en) * | 2018-04-27 | 2021-04-02 | 中国科学院理化技术研究所 | Liquid metal/carbon fiber composite material and preparation method and application thereof |
| CN109894510A (en) * | 2019-03-28 | 2019-06-18 | 北京航空航天大学 | A kind of magnetic control 3-d deformable liquid metal machine |
| CN110861119A (en) * | 2019-12-02 | 2020-03-06 | 北京航空航天大学 | Polydimethylsiloxane/liquid metal composite material and preparation method and application thereof |
| CN111168503B (en) * | 2020-01-17 | 2021-02-19 | 三峡大学 | Polishing device with adjustable rigidity and using method |
| CN113043288B (en) * | 2020-12-25 | 2023-06-23 | 天津大学 | Liquid metal-polymer composite soft driver and preparation method thereof |
| CN112957522B (en) * | 2021-02-22 | 2022-10-25 | 重庆大学 | Rigidity-adjustable porous liquid metal bone tissue engineering scaffold and preparation method thereof |
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| CN104862621A (en) * | 2014-02-23 | 2015-08-26 | 刘建华 | Ultrasonic composite material manufacturing technology |
| CN105798275A (en) * | 2016-03-16 | 2016-07-27 | 高诗白 | Electromagnetic induction heating metal liquid forming equipment and process |
| CN106868432B (en) * | 2016-12-05 | 2018-07-10 | 上海阿莱德实业股份有限公司 | Gallium alloy heat sink material and its production technology equipped with fiber reinforcement |
| CN107267832B (en) * | 2017-06-13 | 2019-03-22 | 清华大学 | A kind of porous liquid metal material of temperature control irreversible transition and its preparation and application |
| CN107557703B (en) * | 2017-08-24 | 2019-03-26 | 西华大学 | A kind of method that 3D printing prepares long fiber reinforcement metal-base composites |
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