CN103507329A - Liquid metal composite material and method for producing same - Google Patents
Liquid metal composite material and method for producing same Download PDFInfo
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- CN103507329A CN103507329A CN201210399157.7A CN201210399157A CN103507329A CN 103507329 A CN103507329 A CN 103507329A CN 201210399157 A CN201210399157 A CN 201210399157A CN 103507329 A CN103507329 A CN 103507329A
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 31
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- 239000007789 gas Substances 0.000 claims description 10
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- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 2
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Abstract
The invention relates to a liquid metal composite material, which comprises: a substrate; a liquid metal layer arranged on one side or two sides of the substrate; and a bonding layer arranged between the substrate and the liquid metal layer to bond the liquid metal layer to one side or two sides of the substrate, wherein the liquid metal layer is formed by rapidly cooling a molten metal in a low temperature environment.
Description
Technical field
The invention relates to a kind of liquid metal composite, espespecially a kind of composite that fits in base material with liquid metal, is applicable to manufacture the shell of electric equipment products.
Background technology
In recent years, because electronic technology is advanced by leaps and bounds, as the electric equipment products of mobile phone and notebook computer etc. are able to day by day stride forward towards frivolous short skilful slimming, and except the electronics zero element of microminiaturized electric equipment products inside, the framework of described electrical equipment is also to determine one of key whether electrical equipment is microminiaturized.The framework of electrical equipment, except providing the space of accommodating zero element, also can be used as in conjunction with communication function, provides sufficient intensity with protective device product core part and use attractive in appearance.
During the shell of known making electric equipment products, if while considering intensity, conventionally can use metal substrate as the material of shell, therefore yet the more difficult plastotype of metal substrate is the light-weighted demand that also do not meet in the required shape of shell and weight, also there is known technology to using the material of plastic base as shell.Though plastic base is easy to be made into the shape of various shells, while can reach suitable intensity if want, need at least thickness of 1mm, and be unfavorable for the development of slimming electrical equipment, and the resistance to scraping of resin substrate is also poor compared with metallic plate, it produces after scratch, and the aesthetic property of this shell is just had a greatly reduced quality.In addition, resin substrate also cannot anti-electromagnetic-radiation.
In order to solve above-mentioned known problem, though having, present stage attempts applying the shell that the liquid metal that can process is made electrical equipment under low temperature.Although use this type of liquid metal to cut down finished cost and compared to common metal more also in processing plastotype, its raw material cost be still its development one greatly obstruction.In addition, knownly also have to electroplate, the mode such as evaporation or sputter is covered with the characteristic of layer of metal film to improve the resistance to scraping of this resin substrate and anti-electromagnetic-radiation is provided in plastic base surface.Yet, with above-mentioned evaporation or sputtering way, the vacuum equipment that metal film need involve great expense is set on plastic base, and is unfavorable for a large amount of manufacturings.In addition, the metal film of producing in this way also cannot effectively improve the intensity of this production shell, for the core part of protective device product, there is no substantial help.
Accordingly, providing simple mode to manufacture one has resistance to scraping, high strength, anti-electromagnetic-radiation simultaneously and can have the required substrate of shell attractive in appearance concurrently for the necessary technology of slimming electric equipment products now.
Summary of the invention
Main purpose of the present invention is that a kind of liquid metal composite is being provided, and comprising at least one, has flexibility, anti-scratch, high strength, anti-electromagnetic-radiation, and the liquid-metal layer that is easy to the feature of processing and fabricating; It is in conjunction with the prepared liquid metal composite of base material, to can make this liquid metal composite can be used as one, there is resistance to scraping, high strength, anti-electromagnetic-radiation simultaneously and can have the required substrate of shell attractive in appearance concurrently, contributing to realize the demand of electric equipment products slimming.
For reaching above-mentioned purpose, an aspect of the present invention provides a kind of liquid metal composite, comprising: a base material; One is arranged at the liquid-metal layer of the one or both sides of this base material; And one be arranged between this base material and this liquid-metal layer, make this liquid-metal layer be incorporated into the binder course of the one or both sides of this base material, wherein, this liquid-metal layer is by motlten metal cooling forming rapidly under a low temperature environment.
In the above-mentioned liquid metal composite of the present invention, the demand based on different electrical equipment and cost consideration, the composition of selected base material can be plastics, metal, pottery, glass or its combination.In a preferred embodiment of the present invention, except considering, except slimming electric equipment products, further to need to reduce product weight, thereby select plastics as base material; Another preferred embodiment of the present invention is selected to using metal as base material, and so that preferably intensity of product casing to be provided, but the present invention is not limited thereto.
In the above-mentioned liquid metal composite of the present invention, the composition of this liquid-metal layer can be selected from aluminium (Al), titanium (Ti), zirconium (Zr), copper (Cu), nickel (Ni), cobalt (Co), platinum (Pd) or its alloy, and this liquid-metal layer more can comprise that the additive of 0.05 to 25 percentage by weight that a content accounts for this liquid-metal layer is to adjust each characteristic of liquid metal, as ductility, anti-drawing together property, fusing point and boiling point etc., wherein this additive can be selected from chromium (Cr), iron (Fe), silicon (Si), carbon (C), boron (B), phosphorus (P), tungsten (W), molybdenum (Mo) or its combination, but the present invention is not limited thereto.
In the above-mentioned liquid metal composite of the present invention, due to this liquid-metal layer be under low temperature environment rapidly cooling its motlten metal with moulding, therefore this liquid-metal layer has an amorphous structure and makes this liquid-metal layer have high rigidity, anti-scratch trace, anticorrosive, high abrasion, high tenacity and be easy to the characteristics such as processing, and wherein this low temperature environment can be one and is selected from the cooling liquid of water, glycerine, ethylene glycol or its combination or can be an inert gas that is selected from nitrogen, argon gas, helium, argon gas or its combination.In addition, the various method for makings that this liquid-metal layer can known the art complete, as get rid of band method, but the present invention is not as limit.And consider that goal of the invention of the present invention, the thickness of this liquid-metal layer can be controlled between 15 microns to 100 microns, be preferably 25 microns to 80 microns.
In the above-mentioned liquid metal composite of the present invention, this binder course can be a resin adhesive agent or a metallic bond, wherein, resin adhesive agent can be epoxy resin, polyurethane resin, acryl resin or its combination institute forms, and metallic bond can be bronze powder, tin, nickel, iron, zinc, silver, lead or its combination institute and forms.Liquid metal composite of the present invention can be used combined in various manners base material and liquid-metal layer, as roll extrusion hot pressing, hard solder or sintering process, look closely selected base material and the composition of binder course, but the present invention is not as limit, if a preferred embodiment of the present invention is to select an acryl resin as binder course, by roll extrusion pressure sintering, make the preferably combination of its plastic basis material and liquid-metal layer; Another preferred embodiment of the present invention using bronze powder as binder course by sintering process metal substrate combining and liquid-metal layer.
Another object of the present invention is in the preparation method that a kind of liquid metal composite is provided, its be in a substrate surface form a binder course with in conjunction with a liquid-metal layer to this substrate surface, prepared liquid metal composite can be used as one to be had resistance to scraping, high strength, anti-electromagnetic-radiation simultaneously and can have the required substrate of shell attractive in appearance concurrently, contributes to realize the demand of electric equipment products slimming.
For reaching above-mentioned purpose, another aspect of the present invention provides a kind of preparation method of liquid metal composite to comprise: a base material is provided; Be coated with a binder course in the one or both sides of base material; And form a liquid-metal layer in the one or both sides of a binder course; Wherein, this liquid-metal layer is by motlten metal cooling forming rapidly under a low temperature environment.
In the preparation method of the above-mentioned liquid metal composite of the present invention, the demand based on different electrical equipment and cost consideration, the composition of selected base material can be plastics, metal, pottery, glass or its combination.In a preferred embodiment of the present invention, for considering, except slimming electric equipment products, further to need to reduce product weight, thereby select plastics as base material; Another preferred embodiment of the present invention is selected to using metal as base material, and so that preferably intensity of product to be provided, but the present invention is not limited thereto.
In the preparation method of the above-mentioned liquid metal composite of the present invention, the composition of this liquid-metal layer can be selected from aluminium (Al), titanium (Ti), zirconium (Zr), copper (Cu), nickel (Ni), cobalt (Co), platinum (Pd) or its alloy, and this liquid-metal layer more can comprise that the additive of 0.05 to 25 percentage by weight that a content accounts for this liquid-metal layer is to adjust each characteristic of liquid metal, as ductility, anti-drawing together property, fusing point and boiling point etc., wherein this additive can be selected from chromium (Cr), iron (Fe), silicon (Si), carbon (C), boron (B), phosphorus (P), tungsten (W), molybdenum (Mo) or its combination, but the present invention is not limited thereto.
In the preparation method of the above-mentioned liquid metal composite of the present invention, due to this liquid-metal layer be in-100 ℃ under the low temperature environment of room temperature rapidly a cooling temperature be the motlten metal of 800 ℃ to 1200 ℃ with moulding, so this liquid-metal layer has an amorphous structure and makes this liquid-metal layer have high rigidity, anti-scratch trace, anticorrosive, high abrasion, high tenacity and be easy to the characteristics such as processing; In the present invention, this low temperature environment can be a cooling liquid or an inert gas forms, and wherein, cooling liquid can be glycerine, ethylene glycol or water, and the optional free nitrogen of inert gas, argon gas, helium, argon gas or its group forming.In addition, the various method for makings that this liquid-metal layer can known the art complete, as get rid of band method, but the present invention is not as limit.And consider that goal of the invention of the present invention, the thickness of this liquid-metal layer can be controlled between 15 microns to 100 microns, be preferably 25 microns to 80 microns.
In the preparation method of the above-mentioned liquid metal composite of the present invention, this binder course can be a resin adhesive agent or a metallic bond, wherein, resin adhesive agent can be epoxy resin, polyurethane resin, acryl resin or its combination institute forms, and metallic bond can be bronze powder, tin, nickel, iron, zinc, silver, lead or its combination institute and forms.Liquid metal composite of the present invention can make composite base material and liquid-metal layer in various manners, as roll extrusion hot pressing, hard solder or sintering process, look closely selected base material and the composition of binder course, the present invention is not as limit, if a preferred embodiment of the present invention is to select an acryl resin as binder course, by roll extrusion pressure sintering, make the preferably combination of its plastic basis material and liquid-metal layer; Another preferred embodiment of the present invention using bronze powder as binder course with sintering process in conjunction with a metal base and liquid-metal layer.
Accompanying drawing explanation
In order further to understand feature of the present invention, feature and technology contents, refer to following about detailed description of the present invention and accompanying drawing, only appended accompanying drawing only provide with reference to and explanation use, non-in order to limit the present invention, wherein:
Fig. 1 is the preparation method schematic flow sheet of one embodiment of the invention.
Fig. 2 is the generalized section of the liquid metal composite of one embodiment of the invention.
Fig. 3 is the schematic perspective view of the liquid metal composite of one embodiment of the invention.
Fig. 4 is the schematic perspective view of the liquid metal composite of another embodiment of the present invention.
The specific embodiment
Be below, by particular specific embodiment, embodiments of the present invention are described, the personage who has the knack of this technology can understand other advantages of the present invention and effect easily by content disclosed in the present specification.The present invention also can be implemented or be applied by other different specific embodiments, and the every details in this description also can, based on different viewpoints and application, be carried out various modifications and change under not departing from spirit of the present invention.
The graphic schematic diagram that is simplification described in embodiments of the invention.Only the icon in described accompanying drawing only shows the element relevant with the present invention, the aspect that its shown element is non-while being actual enforcement, and component number during its actual enforcement, shape equal proportion are for optionally designing, and its component placement kenel may be more complicated.
Please refer to Fig. 1, is the preparation method schematic flow sheet for liquid metal composite according to the present invention.First, provide a base material (step 11); Then, form a binder course (step 12) on base material, meanwhile, cut the liquid-metal layer (step 13) of a suitable size; Finally, the one or both sides of base material that the liquid-metal layer cutting are covered on to binder course are to form a liquid metal composite (step 14).
Fig. 2 is the generalized section of the liquid metal composite of a preferred embodiment of the present invention; Be noted that in the formed liquid metal composite 20 of the present invention, binder course 22 is to be arranged between base material 21 and liquid-metal layer 23; Wherein, liquid-metal layer 23 can be selected from aluminium (Al), titanium (Ti), zirconium (Zr), copper (Cu), nickel (Ni), cobalt (Co), platinum (Pd) or its alloy, and this liquid-metal layer 23 more can comprise that additive that a content accounts for its 0.05 to 25 percentage by weight is to adjust its each characteristic, as ductility, anti-drawing together property, fusing point and boiling point etc., wherein this additive can be selected from chromium (Cr), iron (Fe), silicon (Si), carbon (C), boron (B), phosphorus (P), tungsten (W), molybdenum (Mo) or its combination; In this embodiment, this liquid-metal layer 23 is to be a nickel based metal, and it comprises: the nickel of the silicon of the nickel that contains 15 percentage by weights, 10 percentage by weights, the boron of 2 percentage by weights and 73 percentage by weights forms.
In this embodiment, the preparation method of this liquid-metal layer is that the molten metal that aforementioned formula is formed is heated to 960 ℃ to 1050 ℃, the roller surface to cooling bath by this high temperature melting metal flow again, and make molten metal form a liquid metal thin slice (being liquid-metal layer 23) in roller surface, wherein the thickness of this liquid-metal layer is between 15 microns to 100 microns, be preferably 25 microns to 80 microns, its thickness can be controlled adjustment by roller rotating speed or cooling bath temperature.
In addition, aforesaid cooling bath has a low temperature environment, and this low temperature environment can be a cooling liquid or an inert gas forms, wherein, cooling liquid can be glycerine, ethylene glycol or water, and the optional free nitrogen of inert gas, argon gas, helium, argon gas or its group forming; In this embodiment, to utilize low temperature nitrogen to form the low temperature environment of an inert gas, low temperature environment compared to cooling liquid, this inert gas environment can make molten metal on roller, form the better liquid-metal layer of a flatness, and more can prevent melt and dissolved metal after cooling and cooling liquid generation oxidation reaction and destroy its surface strength and bright degree; In this embodiment, because molten metal (960 ℃ to 1050 ℃) flows under the low temperature nitrogen environment of temperature below room temperature cooling forming rapidly, therefore this liquid-metal layer has an amorphous structure, compared to the crystalline structure of common metal, this liquid-metal layer can provide better high rigidity, anti-scratch trace, anticorrosive, high abrasion, high tenacity and be easy to the characteristics such as processing.
In the present invention, this base material can be plastics, metal, pottery, glass or its combination; This binder course can be a resin adhesive agent or a metallic bond, wherein, resin adhesive agent can be epoxy resin, polyurethane resin, acryl resin or its combination institute forms, and metallic bond can be bronze powder, tin, nickel, iron, zinc, silver, lead or its combination institute and forms; In this embodiment, be to use a magnadure as base material 21, and by bronze powder as binder course 22, the liquid-metal layer 23 of aforementioned nickel based metal is pasted and is incorporated into this substrate surface, to form a liquid metal composite 20.
Please refer to Fig. 3 is the schematic perspective view of the liquid metal composite of one embodiment of the invention, the present embodiment is to select the shell of a mobile communication device as base material 31, because mobile communication device conventionally need be with frivolous for paying the utmost attention to, conventionally select plastics as this sheathing material, therefore in the present embodiment, select an acryl resin as binder course (figure does not show) with in conjunction with liquid-metal layer 33 and base material 31, formation one has the mobile communication device shell of liquid metal composite 30, wherein after this liquid-metal layer 33 is covered on this base material 31, to use the mode of roll extrusion hot pressing that this liquid-metal layer 33 can be fitted tightly with this base material 31.
Please refer to Fig. 4 is the schematic perspective view of the liquid metal composite of another embodiment of the present invention, the present embodiment is to select the shell of a portable computer as base material 41, portable computer is except light consideration, still need and notice that its shell is for the safeguard function of inner member, therefore can select metal substrate as sheathing material, based on this, the present embodiment is to select a bronze powder as binder course material (figure does not show), in this liquid-metal layer 43, be covered on after base material 41, by sintering process in conjunction with this base material 41 and a liquid-metal layer 43 to form a portable computer shell with liquid metal composite 40.
In sum, liquid metal composite of the present invention be by a binder course in conjunction with a base material and a liquid-metal layer, make this base material can there is the feature such as resistance to scraping, high strength, anti-electromagnetic-radiation of liquid metal.In addition, because liquid metal tool is easy to processing and surperficial tool metallic luster, easily according to various electrical equipment external form demands, mould, particularly above-described embodiment is used to get rid of with the made liquid metal of method, therefore, this liquid metal composite is suitable as the shell of slimming electrical equipment.
Above-described embodiment is only to give an example for convenience of description, and the interest field that the present invention advocates should be as the criterion certainly described in claim scope, but not only limits to above-described embodiment.
Claims (26)
1. a liquid metal composite, comprising:
One base material;
One liquid-metal layer, is arranged at the one or both sides of this base material; And
One binder course, is arranged between this base material and this liquid-metal layer, makes this liquid-metal layer be incorporated into the one or both sides of this base material;
Wherein, this liquid-metal layer is by motlten metal cooling forming rapidly under a low temperature environment.
2. liquid metal composite as claimed in claim 1, wherein this base material is plastics, metal, pottery, glass or its combination.
3. liquid metal composite as claimed in claim 1, wherein this liquid-metal layer selects the group that free aluminium, titanium, zirconium, copper, nickel, cobalt, platinum and alloy thereof form.
4. liquid metal composite as claimed in claim 4, wherein this liquid-metal layer also comprises an additive, this additive selects free chromium, iron, silicon, carbon, boron, phosphorus, tungsten, molybdenum or its combination institute to form.
5. liquid metal composite as claimed in claim 5, wherein the content of this additive accounts for 0.05 to 25 percentage by weight of this liquid-metal layer.
6. liquid metal composite as claimed in claim 1, wherein this liquid-metal layer is an amorphous structure.
7. liquid metal composite as claimed in claim 1, wherein the thickness of this liquid-metal layer is 25 microns to 80 microns.
8. liquid metal composite as claimed in claim 1, wherein this low temperature environment is a cooling liquid or an inert gas.
9. liquid metal composite as claimed in claim 9, wherein this inert gas selects free nitrogen, argon gas, helium, argon gas or its group forming.
10. liquid metal composite as claimed in claim 1, wherein this binder course is a resin adhesive agent or a metallic bond.
11. liquid metal composites as claimed in claim 11, wherein this resin adhesive agent is epoxy resin, polyurethane resin, acryl resin or its combination.
12. liquid metal composites as claimed in claim 11, wherein this metallic bond is bronze powder, tin, nickel, iron, zinc, silver, lead or its combination.
The preparation method of 13. 1 kinds of liquid metal composites, comprising:
One base material is provided;
Be coated with a binder course in the one or both sides of base material; And
In the one or both sides of a binder course, form a liquid-metal layer;
Wherein, this liquid-metal layer is by motlten metal cooling forming rapidly under a low temperature environment.
The preparation method of 14. liquid metal composites as claimed in claim 13, wherein this base material is plastics, metal, pottery, glass or and combination.
The preparation method of 15. liquid metal composites as claimed in claim 13, wherein the temperature of this motlten metal is to be 800 ℃ to 1200 ℃.
The preparation method of 16. liquid metal composites as claimed in claim 13, wherein this liquid-metal layer selects the group that free aluminium, titanium, zirconium, copper, nickel, cobalt, platinum and alloy thereof form.
The preparation method of 17. liquid metal composites as claimed in claim 16, wherein this liquid-metal layer also comprises an additive, this additive selects free chromium, iron, silicon, carbon, boron, phosphorus, tungsten, molybdenum or its combination to form.
The preparation method of 18. liquid metal composites as claimed in claim 17, wherein the content of this additive accounts for 0.05 to 25 percentage by weight of this liquid-metal layer.
The preparation method of 19. liquid metal composites as claimed in claim 13, wherein this liquid-metal layer is an amorphous structure.
The preparation method of 20. liquid metal composites as claimed in claim 13, wherein the thickness of this liquid-metal layer is 25 microns to 80 microns.
The preparation method of 21. liquid metal composites as claimed in claim 13, wherein this low temperature environment is a cooling liquid or an inert gas.
The preparation method of 22. liquid metal composites as claimed in claim 13, wherein the temperature of this low temperature environment be-100 ℃ to room temperature.
The preparation method of 23. liquid metal composites as claimed in claim 21, wherein this inert gas selects free nitrogen, argon gas, helium, argon gas or its group forming.
The preparation method of 24. liquid metal composites as claimed in claim 13, wherein this binder course is a resin adhesive agent or a metallic bond.
The preparation method of 25. liquid metal composites as claimed in claim 24, wherein this resin sticks together for epoxy resin, polyurethane resin, acryl resin or its combination.
The preparation method of 26. liquid metal composites as claimed in claim 24, wherein this metallic bond is bronze powder, tin, nickel, iron, zinc, silver, lead or its combination.
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| TW101122376A TW201400289A (en) | 2012-06-22 | 2012-06-22 | Liquid metal composite material and method for fabricating the same |
| TW101122376 | 2012-06-22 |
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| CN107938369A (en) * | 2017-11-06 | 2018-04-20 | 北京梦之墨科技有限公司 | A kind of conductive fabric and preparation method thereof |
| CN108384039A (en) * | 2018-03-02 | 2018-08-10 | 华南理工大学 | A kind of design method of liquid metal and flexible substrate Interface Adhesion structure |
| CN110146200A (en) * | 2018-02-11 | 2019-08-20 | 中国科学院宁波材料技术与工程研究所 | The preparation method and strain gauge of liquid metal matrix flexible structure unit |
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| CN110181902A (en) * | 2019-06-04 | 2019-08-30 | 嘉峪关天源新材料有限责任公司 | A kind of manufacturing method of wear resistant corrosion resistant amorphous composite plate |
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| TW201400289A (en) | 2014-01-01 |
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