CN108746331A - Non-crystaline amorphous metal braid over braid and its preparation method and application - Google Patents
Non-crystaline amorphous metal braid over braid and its preparation method and application Download PDFInfo
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- CN108746331A CN108746331A CN201810527811.5A CN201810527811A CN108746331A CN 108746331 A CN108746331 A CN 108746331A CN 201810527811 A CN201810527811 A CN 201810527811A CN 108746331 A CN108746331 A CN 108746331A
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- amorphous metal
- crystaline amorphous
- alloy strips
- braid
- braid over
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
Abstract
The invention belongs to field of material technology, and in particular to a kind of non-crystaline amorphous metal braid over braid and its preparation method and application.The non-crystaline amorphous metal braid over braid is woven by amorphous alloy strips.The preparation method includes the following steps：Amorphous alloy strips are provided；The amorphous alloy strips are woven into band, obtain non-crystaline amorphous metal braid over braid.Amorphous alloy strips have excellent soft magnet performance, its shield effectiveness is better than the electromagnetic shielding material of existing same thickness after being woven into non-crystaline amorphous metal braid over braid, therefore can be applied to the fields such as electromagnetic shielding material and wireless charging antifreeze plate；In addition non-crystaline amorphous metal has very high intensity, is woven into the interlayer that can be applied to flak jackets with after；Non-crystaline amorphous metal also has good corrosion resistance, can be used for anti-corrosion lapping after being woven into band.
Description
Technical field
The invention belongs to field of material technology, and in particular to a kind of non-crystaline amorphous metal braid over braid and its preparation method and application.
Background technology
Iron-based, Co-based amorphous ribbons (band) are made by melt-quenching method, and thickness is ten a few to tens of microns, and width is several
Millimeter is to hundreds of millimeters, hundreds of meters of length, has excellent soft magnet performance, and strip is turned to multilayer ring-type, or by strip
Pulverize it is last be pressed into after ring-type the fields such as inductance, transformer core, magnetic amplifier and motor that can be widely used for, but directly
The application of strip knitting forming is had not been reported and Related product.
Existing flexible electromagnetic shielding material is mainly fine with metals such as copper wire, nickel wire, corronil line, silver wires in the market
Dimension is formed with fabric fibre Co-knit, or is woven by the fabric fibre of the metals such as cupric, silver, and non-crystaline amorphous metal is also answered
For electromagnetic shielding material, but it is typically that strip is ground into after powdery to constitute composite material together with rubber or macromolecule, this
The material capability of electromagnetic shielding of sample is relatively low.Existing wireless charging antifreeze plate is mainly ferrite rubber piece, magnetic property in the market
Weaker, so thickness is thicker, and thermal conductivity is very poor.
Invention content
The object of the present invention is to provide a kind of non-crystaline amorphous metal braid over braids and its preparation method and application, it is intended to solve existing
The technical problem for having the shielding properties of electromagnetic shielding material undesirable.
For achieving the above object, the technical solution adopted by the present invention is as follows：
One aspect of the present invention provides a kind of non-crystaline amorphous metal braid over braid, and the non-crystaline amorphous metal braid over braid is compiled by amorphous alloy strips
It knits.
Another aspect of the present invention provides a kind of preparation method of non-crystaline amorphous metal braid over braid, includes the following steps：
Amorphous alloy strips are provided；
The amorphous alloy strips are woven into band, obtain non-crystaline amorphous metal braid over braid.
The present invention finally provides a kind of above-mentioned non-crystaline amorphous metal braid over braid of the present invention and is preparing electromagnetic shielding material, wireless charging
Application in antifreeze plate, flak jackets or anti-corrosion material.
Non-crystaline amorphous metal braid over braid provided by the invention is woven by amorphous alloy strips, and amorphous alloy strips itself have
Excellent soft magnet performance, corrosion resistance and mechanical property, but limited area, the present invention can after being woven into non-crystaline amorphous metal braid over braid
Increase usable floor area, non-crystaline amorphous metal braid over braid is made to be suitable for various scenes in this way, application range is wider, and non-crystaline amorphous metal weaves
Band has good electromagnet shield effect, is better than the electromagnetic shielding material of existing same thickness；Therefore, the non-crystaline amorphous metal braid over braid
It can be applied to the fields such as electromagnetic shielding material and wireless charging antifreeze plate.
Amorphous alloy strips are woven zonation pattern, obtain class by the preparation method of non-crystaline amorphous metal braid over braid provided by the invention
It is similar to the non-crystaline amorphous metal braid over braid of cloth, the preparation method is simple for process, low manufacture cost；Finally obtained non-crystaline amorphous metal
Braid over braid increases usable floor area, is applicable to various scenes, is better than existing electromagnetic shielding material.
Non-crystaline amorphous metal braid over braid provided by the invention can be used as in various electromagnetic shielding materials, such as radiation-proof maternity clothes, spy
Kind radiation protection tooling, military electromagnetic shielding tent, computer room electromagnetic shield cloth, Electromagnetic Shield on Electronic Equipments interlayer and radiation protection
Build fitment material for family, the antimagnetic material of transformer, the antimagnetic material of induction coil and flak jackets or anti-corrosion material etc.；And the amorphous
Alloy braid over braid is suitable with ferrite effect as wireless charging antifreeze plate, but thickness is only the 1/5-1/3 of ferrite antifreeze plate,
And heat dissipation performance is greatly improved.
Description of the drawings
Fig. 1 is the result schematic diagram of three kinds of weaving manners of non-crystaline amorphous metal braid over braid of the present invention；
Fig. 2 is that non-crystaline amorphous metal braid over braid of the present invention sticks copper foil layer or plates the result schematic diagram of copper coating；
Fig. 3 is the electromagnet shield effect result figure of three kinds of non-crystaline amorphous metal braid over braids of the embodiment of the present invention 1；
Fig. 4 is the electromagnet shield effect result figure of five kinds of non-crystaline amorphous metal braid over braids of the embodiment of the present invention 2.
Specific implementation mode
In order to make technical problems, technical solutions and advantageous effects to be solved by the present invention be more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain
The present invention is not intended to limit the present invention.
On the one hand, an embodiment of the present invention provides a kind of non-crystaline amorphous metal braid over braids, and the non-crystaline amorphous metal braid over braid is by amorphous
Alloy strip steel rolled stock weaves.
Non-crystaline amorphous metal braid over braid provided in an embodiment of the present invention is woven by amorphous alloy strips, amorphous alloy strips sheet
There is body excellent soft magnet performance, corrosion resistance and mechanical property, but limited area, the present embodiment to be woven into non-crystaline amorphous metal volume
Usable floor area can be increased after ribbon, so that non-crystaline amorphous metal braid over braid is suitable for various scenes in this way, application range is wider, and amorphous
Alloy braid over braid has good electromagnet shield effect, is better than the electromagnetic shielding material of existing same thickness；Therefore, which closes
Golden braid over braid can be applied to the fields such as electromagnetic shielding material and wireless charging antifreeze plate.
Further, the non-crystaline amorphous metal braid over braid of the embodiment of the present invention is non-crystaline amorphous metal plain weave ribbon, non-crystaline amorphous metal twill
At least one of ribbon and non-crystaline amorphous metal crowfoot satin band；I.e. amorphous alloy strips are interlocked mode by longitude and latitude, knitted using plain weave,
Amorphous alloy strips are woven into three kinds of the embodiment of the present invention by the common weaving method of the textile industries such as twill weave and crowfoot satin
Non-crystaline amorphous metal braid over braid (referring to Fig. 1).
Further, above-mentioned amorphous alloy strips are commercially available, such as iron-based or cobalt base amorphous alloy band.At this
In inventive embodiments, amorphous alloy strips are preferably FeSiB amorphous alloy strips (trade mark 1K101), FeCuNbSiB non-crystaline amorphous metals
Any one of band (trade mark 1K107) and Co base noncrystal alloy bands, most preferably FeCuNbSiB amorphous alloy strips.
Further, at least one side of the amorphous alloy strips of the embodiment of the present invention is combined with a copper foil layer or institute
At least one side for stating amorphous alloy strips is combined with a copper coating.The copper foil i.e. in the one side of amorphous alloy strips or Double-face adhesive,
Or copper coating (preferable spraying method copper facing) is plated, as shown in Figure 2；The resistance of non-crystaline amorphous metal braid over braid can in this way reduced,
Further obtain better effectiveness.
On the other hand, an embodiment of the present invention provides a kind of preparation method of non-crystaline amorphous metal braid over braid, include the following steps：
S01：Amorphous alloy strips are provided；
S02：The amorphous alloy strips are woven into band, obtain non-crystaline amorphous metal braid over braid.
Amorphous alloy strips are woven zonation pattern by the preparation method of non-crystaline amorphous metal braid over braid provided in an embodiment of the present invention,
The non-crystaline amorphous metal braid over braid similar to cloth is obtained, the preparation method is simple for process, low manufacture cost；It is finally obtained non-
Peritectic alloy braid over braid increases usable floor area, is applicable to various scenes, is better than existing electromagnetic shielding material.
Above-mentioned amorphous alloy strips are commercially available, such as FeSiB amorphous alloy strips, FeCuNbSiB non-crystaline amorphous metals
Band and Co base noncrystal alloy bands etc., most preferably FeCuNbSiB amorphous alloy strips.
Further, the step of amorphous alloy strips being woven into band include：By the amorphous alloy strips through warp
Latitude interlocks, and is knitted by plain weave, is woven into band in the way of at least one of twill weave and crowfoot satin.Amorphous alloy strips are pressed through band
(be similar to warp) and latitude band (being similar to weft) interlock that mode is different to be divided into：Plain weave knits, twill weave and crowfoot satin；Its
In, being interlocked using longitude and latitude band when plain weave mode, number is most, and braid over braid is the most secured, using twill weave and satin weave weaving side
Longitude and latitude band interlocks when formula, and number is less, and braid over braid flexibility is preferable.
Further, at least two layers amorphous alloy strips are woven into band, obtain the non-crystaline amorphous metal braid over braid.I.e.
It can increase the integral thickness of non-crystaline amorphous metal braid over braid by increasing the number of plies through band or latitude band, to increase capability of electromagnetic shielding, tool
Body can be：It is single amorphous alloy strips through band and latitude band, the braiding tape thickness of acquisition is 1+1=2 layers of (amorphous alloy strip
Material)；It is overlapped for 2 amorphous alloy strips through band, latitude band is still 1 amorphous alloy strips, and the braiding tape thickness of acquisition is 1+2=
3 layers (amorphous alloy strips), as shown in Figure 3；It is 2 amorphous alloy strips overlappings, the braiding tape thickness of acquisition through band and latitude band
Degree is 2+2=4 layers (amorphous alloy strips), and so on.
After the amorphous alloy strips are woven into band, edge portions need to carry out receiving side processing, otherwise woven band
Easily fall apart.Receipts side can be carried out by three kinds of methods, the strap ends that edge stretches out first are cut into wedge angle by method one, and then reflexed is primary
It is inserted into the band from edge row second from the bottom, method two is also that the strap ends of stretching are first cut into wedge angle, then reflexed two
It is buckled into after secondary in a line band of most outer, method three then directly takes in the item of stretching and sticks transparent adhesive tape and fix.One He of method
Method two is suitable for the band of toughness preferably, not broken after doubling, and such as 1K101 and 1K107, mode three is then suitable for after doubling easily
The band of fracture, such as Co base amorphous ribbons.Method one is easy to operate, but edge is easy to fall off when sample picks and places；Two side of method operates
Difficulty highest, but edge is very secured, it is not easily to fall off；Method three is most easy to operate, and edge is also very secured, but if to carry out annealing heat
Transparent adhesive tape can be melted if processing.
Further, further include in the amorphous alloy strip before the step of amorphous alloy strips being woven into band
The step of at least one side of material sticks a copper foil layer or plates a copper coating.Sticking a copper foil layer or plate a copper coating can be to most
The resistance of whole non-crystaline amorphous metal braid over braid is adjusted：The copper foil layer sticked is single-sided conductive copper foil layer or two-sided copper-foil conducting electricity
Layer；Single-sided conductive copper foil layer and two-sided conductive copper layers of foil can get good effectiveness.The thickness of the copper foil layer sticked
Degree can be 50-60 μm；The thickness of the copper coating plated is 5-10 μm.Copper coating is in direct contact with non-crystaline amorphous metal braid over braid, is connect
It gets an electric shock resistance very little, so the thickness of copper coating is thinner than the copper foil layer that sticks.Sticking a copper foil layer or plate a copper coating can
So that the resistance of non-crystaline amorphous metal braid over braid is reduced, further obtains better effectiveness.
The present invention finally provides a kind of above-mentioned non-crystaline amorphous metal braid over braid of the present invention and is preparing electromagnetic shielding material, wireless charging
Application in antifreeze plate, flak jackets or anti-corrosion material.
Non-crystaline amorphous metal braid over braid provided in an embodiment of the present invention can be used as in various electromagnetic shielding materials, as radiation protection is pregnant
Woman's dress, extraordinary radiation protection tooling, military electromagnetic shielding tent, computer room electromagnetic shield cloth, Electromagnetic Shield on Electronic Equipments interlayer, and
The antimagnetic material of anti-radiation building fitment material for family, transformer, the antimagnetic material of induction coil；And the non-crystaline amorphous metal braid over braid is used as wirelessly
The antifreeze plate that charges is suitable with ferrite effect, but thickness is only the 1/5-1/3 of ferrite antifreeze plate, and heat dissipation performance greatly changes
It is kind.In addition non-crystaline amorphous metal has very high intensity, is woven into the interlayer that can be applied to flak jackets after non-crystaline amorphous metal braid over braid；Amorphous
Alloy also has good corrosion resistance, can be used for anti-corrosion lapping after being woven into non-crystaline amorphous metal braid over braid.
The present invention successively carried out test of many times, and it is further detailed to invention progress as reference now to lift A partial experiment result
Thin description, is described in detail with reference to specific embodiment.
Embodiment 1
Three kinds of non-crystaline amorphous metal braid over braids, as described below：
1:Entitled 1K101
It is woven by FeSiB amorphous alloy strips (the width 5mm of the amorphous alloy strips, 32 μm of thickness), 1K101 is compiled
The thickness of ribbon is 64 μm.
2:Entitled 1K107
It is woven by FeCuNbSiB amorphous alloy strips (the width 6.5mm of the amorphous alloy strips, 30 μm of thickness),
The thickness of 1K107 braid over braids is 60 μm.
3:Entitled Co base noncrystal alloys braid over braid
It is woven, Co base amorphous by Co base noncrystal alloys band (the width 5mm of the amorphous alloy strips, 26 μm of thickness)
The thickness of alloy braid over braid is 52 μm.
Above-mentioned three kinds of non-crystaline amorphous metal braid over braids be plain weave ribbon, size 30*30cm, by national standard (GJB6190-2008,
" electromagnetic shielding material shield effectiveness measurement method "), it carries out testing three kinds of non-crystaline amorphous metal braid over braids using flange coaxial method
Electromagnet shield effect, the results are shown in Figure 3：The chart is bright, and three kinds of non-crystaline amorphous metal braid over braids have good electromagnet shield effect,
50-80dB is can reach in 9K-3GHz range inner shield effects, better than the existing electromagnetic shielding material of the overwhelming majority.Wherein, 1K107
Non-crystaline amorphous metal braid over braid performance it is best, not only there is fairly good flexibility, and thickness is only 60 μm.
Embodiment 2
Five kinds of non-crystaline amorphous metal braid over braids, as described below：
1:The 1K107 of embodiment 1
Example 1 above has described, and no longer illustrates.
2:1K107+ mono-layer single-face conductive copper layers of foil
That is one layer of single-sided conductive copper foil layer of a face paste of 1K107 braid over braids (copper foil layer thickness is 50 μm).
3:1K107+ single layer copper coatings
That is one side plating (spraying method) one layer of copper coating of 1K107 braid over braids (copper coating thickness is 6 μm).
4:1K107+ dual-layer, single-sided conductive copper layers of foil
I.e. one layer of single-sided conductive copper foil layer is respectively pasted on the two sides of 1K107 braid over braids (every layer of copper foil layer thickness is 50 μm).
5:1K107+ double-layer and double-side conductive copper layers of foil
I.e. one layer of two-sided conductive copper layers of foil is respectively pasted on the two sides of 1K107 braid over braids (every layer of copper foil layer thickness is 60 μm).
Above-mentioned five kinds of non-crystaline amorphous metal braid over braids be plain weave ribbon, size 30*30cm, by national standard (GJB6190-2008,
" electromagnetic shielding material shield effectiveness measurement method "), it carries out testing five kinds of non-crystaline amorphous metal braid over braids using flange coaxial method
Electromagnet shield effect, the results are shown in Figure 4：The chart is bright, is improved in low-frequency range performance after surface copper-surfaced or spray copper,
Though the high band of 1.5-3.0GHz is not as good as not surface treated amorphous braid over braid, in the fluctuation of the entire high bands of 30M-1.5G
It is smaller, especially copper spray and post mono-layer single-face copper-foil conducting electricity braid over braid electromagnet shield effect fluctuation it is smaller.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of non-crystaline amorphous metal braid over braid, which is characterized in that the non-crystaline amorphous metal braid over braid is woven by amorphous alloy strips.
2. non-crystaline amorphous metal braid over braid as described in claim 1, which is characterized in that the non-crystaline amorphous metal braid over braid is non-crystaline amorphous metal
At least one of plain weave ribbon, non-crystaline amorphous metal twill weave band and non-crystaline amorphous metal crowfoot satin band.
3. non-crystaline amorphous metal braid over braid as described in claim 1, which is characterized in that the amorphous alloy strips are FeSiB amorphous
It is any in alloy strip steel rolled stock, FeCuNbSiB amorphous alloy strips and Co base noncrystal alloy bands.
4. non-crystaline amorphous metal braid over braid as described in claim 1, which is characterized in that at least one side knot of the amorphous alloy strips
Conjunction has at least one side of a copper foil layer or the amorphous alloy strips to be combined with a copper coating.
5. non-crystaline amorphous metal braid over braid as claimed in claim 4, which is characterized in that the copper foil layer be single-sided conductive copper foil layer or
Two-sided conductive copper layers of foil.
6. a kind of preparation method of non-crystaline amorphous metal braid over braid, which is characterized in that include the following steps：
Amorphous alloy strips are provided；
The amorphous alloy strips are woven into band, obtain non-crystaline amorphous metal braid over braid.
7. preparation method as claimed in claim 6, which is characterized in that the step of amorphous alloy strips are woven into band is wrapped
It includes：The amorphous alloy strips longitude and latitude is interlocked, knitted by plain weave, be woven into the way of any in twill weave and crowfoot satin
Band.
8. preparation method as claimed in claim 6, which is characterized in that be woven at least two layers amorphous alloy strips
Band obtains the non-crystaline amorphous metal braid over braid.
9. such as claim 6-8 any one of them preparation methods, which is characterized in that the amorphous alloy strips are woven into band
The step of before, further include sticking a copper foil layer in at least one sides of the amorphous alloy strips or plating the step of a copper coating
Suddenly.
10. non-crystaline amorphous metal braid over braid as described in any one in claim 1-5 is preparing electromagnetic shielding material, wireless charging every magnetic
Application in piece, flak jackets or anti-corrosion material.
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| CN113470955A (en) * | 2021-06-25 | 2021-10-01 | 特变电(沈阳)电工新材料有限公司 | Production process and application of conductive belt with shielding function for power transformer |
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Application publication date: 20181106 |
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