CN108118417A - A kind of soft magnetism composite metal fiber and its preparation method and application - Google Patents
A kind of soft magnetism composite metal fiber and its preparation method and application Download PDFInfo
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- CN108118417A CN108118417A CN201810086460.9A CN201810086460A CN108118417A CN 108118417 A CN108118417 A CN 108118417A CN 201810086460 A CN201810086460 A CN 201810086460A CN 108118417 A CN108118417 A CN 108118417A
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/12—Threads containing metallic filaments or strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
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Abstract
The invention discloses a kind of composite metal fibers with soft magnetic characteristic and its preparation method and application.The composite metal fiber on radial cross-section by having the bunched fiber that the filament of two concentric metal layers of central core and superficial layer forms；The central core is permalloy (1)；The superficial layer is basis material M1 (2).The preparation method of the composite metal fiber includes being obtained the finished product recombination line of aimed dia with progress boundling tube reducing drawing after the embedded basis material acquisition initial composite line of permalloy (1), encapsulation and carry out the finished product composite wire through Electrochemical separation separation to obtain composite metal fibre bundle.The present invention can also to the finished product recombination line single or more twisted so as to obtain metal fiber ply yarn, to be applied to the fields such as heating element, weaving.The available composite metal fiber simultaneously with preferable mechanical property, preferable corrosion resistance and preferable low-intensity magnetic field magnetic permeability of the present invention.
Description
Technical field
The invention belongs to metallic fiber manufacture field, be related to a kind of soft magnetism composite metal fiber and preparation method thereof and
Using.
Technical background
The production technology of metallic fiber is in the prior art it is widely known that can utilize described by such as US3379000
Clustered drawing obtain metallic fiber.With the further understanding to metallic fiber, people also get over the demand of metallic fiber
Come more extensive, requirement to metallic fiber is also more stringent.By taking stainless steel fibre as an example, high-temperature stability is apparent, and moment is resistance to
High temperature is up to 1000 DEG C, and long-time high temperature resistant will not be modified up to 500 DEG C and the characteristic of itself, stainless steel metal fibre because
This also becomes high temperature resistant products and fire-proof product current found optimal material in the market；It can also be stainless steel fibre and its
Its fiber mixes woven fabric, can be applied to the technical fields such as antistatic, conductive spinning product.
Permalloy is also referred to as magnetically soft alloy, has very high low-intensity magnetic field magnetic permeability, and saturation induction density is general
Between 0.6--1.0T.But its mechanical property is poor, so cause its drawing yield rate low, it is not corrosion-resistant, therefore utilize
200810031540.0 the preparation method of metal fiber ply yarn used is to produce permalloy fiber, there are bundle drawing method processes
Interrupt line is serious, easily corrodes its protective layer and center fiber during Electrochemical separation, it is difficult to obtain complete finished product
Permalloy fiber, so limiting its processing and application, there is presently no the processing methods on permalloy fiber.
The content of the invention
In view of the deficiencies of the prior art, of the invention first is designed to provide a kind of soft magnetism composite metal fibre
Dimension, the composite metal fiber have and have preferable mechanical property with having both similar in pure permalloy while low-intensity magnetic field magnetic permeability
Energy, preferable corrosion resistance.
Second object of the present invention is to provide a kind of preparation method of soft magnetism composite metal fiber.
Third object of the present invention is to provide a kind of application of soft magnetism composite metal fiber.
Technical scheme is as follows：
A kind of soft magnetism composite metal fiber of the present invention, the composite metal fiber are by having on radial cross-section
The bunched fiber of the filament composition of two concentric metal layers of central core and superficial layer；The central core is permalloy (1)；
The superficial layer is basis material M1 (2)；The equivalent diameter of the composite metal fiber is 2um~80 μm.
A kind of soft magnetism composite metal fiber of the present invention, the superficial layer average thickness are composite metal fiber equivalent
The 5%~50% of diameter.As further preferred, the superficial layer average thickness is composite metal fiber equivalent diameter
33%.
A kind of soft magnetism composite metal fiber of the present invention, the nickel content of the permalloy (1) is 70~80wt%.
A kind of soft magnetism composite metal fiber of the present invention, described matrix material M1 (2) is stainless steel, in titanium, titanium alloy
Any one.
Preferably, a kind of soft magnetism composite metal fiber of the present invention, the equivalent diameter of the composite metal fiber is 6
~22 μm.
A kind of preparation method of soft magnetism composite metal fiber of the present invention, comprises the following steps：
Step 1：Make initial composite wire rod
Wire rod centered on selection permalloy (1) wire rod, is embedded into tube reducing in basis material M1 (2) and is drawn to diameter D1
Obtain composite wire W1, after again be embedded in basis material M2 (3) in, obtain initial composite line；
Pass deformation in the tube reducing drawing process is 6%~8%, is annealed between passage, the annealing temperature
For 900~1100 DEG C, the time is 1~10min,
Or
Wire rod centered on selection permalloy (1) wire rod, is embedded into basis material M1 (2), then will be coated with matrix material
In the composite wire W2 of material M1 (2), insertion basis material M2 (3), it is drawn to diameter D2 through tube reducing and obtains initial composite line；
Pass deformation in the tube reducing drawing process is 6%~8%, is annealed between passage, the annealing temperature
For 900~1100 DEG C, the time is 1~10min,
Step 2：The making of secondary composite wire
After more initial composite line tying bunchys secondary recombination line will be obtained with encapsulating material (4) encapsulation；
Step 3 bundle drawing method
Secondary recombination line is drawn to by diameter D3 using bundle drawing method and obtains finished product composite wire；
Pass deformation in the bundle drawing method is 6%~8%, is annealed between passage, and the annealing temperature is 900
~1100 DEG C, the time is 1~10min.
Step 4：Electrochemical separation
The finished product composite wire is separated using Electrochemical separation method, removes encapsulating material and basis material
M2 obtains soft magnetism composite metal fiber.
Preferably, a kind of preparation method of soft magnetism composite metal fiber of the present invention in step 1, selects permalloy
(1) wire rod centered on wire rod is embedded into tube reducing in basis material M1 (2) and is drawn to diameter D1, after be embedded in basis material M2 again
(3) in, initial composite line is obtained；
Pass deformation in the tube reducing drawing process is 6%~8%, is annealed between passage, the annealing temperature
For 900~1000 DEG C, the time is 1~4min.
A kind of preparation method of soft magnetism composite metal fiber of the present invention, in the step 1, selected perm closes
The nickel content of golden (1) is 70~80wt%.
A kind of preparation method of soft magnetism composite metal fiber of the present invention, in the step 1, selected perm closes
A diameter of 3~10mm of golden (1) wire rod, preferred a diameter of 5~6mm.
A kind of preparation method of soft magnetism composite metal fiber of the present invention, in the step 1, basis material M1 (2) is
Stainless steel, titanium, titanium alloy.
In the present invention, basis material M1 (2) is to be to make up permalloy in mechanics and corrosion resistance etc.
Deficiency and be applied on original permalloy (1) wire rod, the good mechanical performance of following three condition and corrosion-resistant need to be met
Other higher metal materials of purity：
1. corrosion resistance, especially acid resistance can protect center layer material during subsequent Electrochemical separation；
2. good deformability can meet the deformation during bundle drawn, there is thinner answer subsequently to provide
The soft magnetism composite metal fiber beam of condensating fiber superficial layer；
3. surface can be coated, separation layer can be formed on surface during following process.
A kind of preparation method of soft magnetism composite metal fiber of the present invention, in the step 1, basis material M2 (3) is
Any one in copper, iron, copper alloy or ferroalloy, nickel or nickel alloy.It is applied to carry out bundle drawn process
Material on original composite wire.
A kind of preparation method of soft magnetism composite metal fiber of the present invention, in the step 1, the permalloy is embedding
Enter the one kind for the mode that the mode of basis material M1 (2) is inserted in for the mode or tubing of metal foil cladding, composite wire W1 insertions
The mode of basis material M2 (3) is the mode of electrochemical electrolysis coating, and the mode of composite wire W2 insertion basis material M2 (3) is
Any one in the mode of metal foil cladding or the mode be inserted in of tubing.
A kind of preparation method of soft magnetism composite metal fiber of the present invention, in step 1, described matrix material M1's (2)
Thickness is 0.5~4mm, is preferably 2~3.0mm.
A kind of preparation method of soft magnetism composite metal fiber of the present invention, in step 1, described matrix material M2's (3)
Thickness is 10 μm~1mm.
Preferably, basis material M2 (3) thickness of the composite wire W1 insertions is 10 μm；The composite wire W2 insertions
The thickness of basis material M2 (3) is 0.7~1mm.
A kind of preparation method of soft magnetism composite metal fiber of the present invention, in step 1, the diameter D1 for 0.1~
2.0mm.Preferably, the diameter D1 is 0.15~0.4mm.As it is further preferably, the diameter D1 for 0.2~
0.24mm。
A kind of preparation method of soft magnetism composite metal fiber of the present invention, in step 1, the diameter D2 for 0.1~
3.0mm.Preferably, the diameter D2 is 0.2~1.0mm.As it is further preferably, a diameter of D2 for 0.2~
0.4mm。
The preparation method of soft magnetism composite metal fiber of the present invention, in step 3, the diameter D3 is 0.1~5.0mm.
As further preferably, the diameter D3 is 0.4~0.9mm.
A kind of preparation method of soft magnetism composite metal fiber of the present invention, in step 2, the encapsulating material (4) is
One kind in iron, aluminium alloy, ferroalloy, nickel or nickel alloy.It is defined as the metal wire for having been coated with basis material on it
The material coated on material beam.
A kind of preparation method of soft magnetism composite metal fiber of the present invention, in step 4, the Electrochemical separation method
For electrolysis using continuous yin and yang mixture, the electrochemical solution system used is sulfuric acid solution, the concentration of sulfuric acid solution for 0.5~
2.5mol/L；The concentration of preferred sulfuric acid solution is 0.5~2.5mol/L, and in electrolytic separation process, decomposition voltage uses 0.2
The Isobarically Control of~4V, is preferably the Isobarically Control that decomposition voltage uses 2.5~4V, and separating rate is 0.8~2.5m/min.Point
Control from speed mainly selects different adaptations according to basis material M1 and the difference of basis material M2 and encapsulating material
Separating rate.
The technical concept total as one, the present invention also provides a kind of applications of soft magnetism composite metal fiber, will be soft
Magnetic coupling formula metallic fiber is applied to the preparation of metal fiber ply yarn.
According to practical application request, by subtracting after drawing obtains finished product recombination line in step 3, to finished product recombination line
Single or multiple is twisted, and so as to obtain metal fiber ply yarn, gained metal fiber ply yarn can be applied to heating element, weaving etc.
Field.
Advantageous effect of the present invention：
The present invention is not corrosion-resistant for permalloy mechanical property is poor, drawing yield rate is low, hardly result in completely into
The problem of product permalloy fiber, provides a kind of effective permalloy composite metal fiber producing processes, passes through
The preparation method of the present invention can obtain while have preferable mechanical property, preferable corrosion resistance and preferable low-intensity magnetic field are led
The composite metal fiber of magnetic rate,
Compared with existing metallic fiber bundle drawing method mode, the invention is characterized in that the center line by the way of compound three times
Compound, compound for the first time rear wire rod and the compound of basis material M2, the initial composite line and encapsulating material of material and basis material M1
It is compound, finally obtain a kind of composite metal fiber with central core and superficial layer.It is needed yet with the present invention to more
It is secondary it is compound after wire rod drawing, since each composite wire has differences in soft or hard degree, preliminary work hardening rate etc., to compound
During wire rod carries out tube reducing drawing, it is susceptible to frequently broken string and leads to not the situation for being drawn to aimed dia.For this
Kind situation, for the present invention by largely testing, adjustment preferably goes out the deflection of tube reducing drawing of the present invention and bundle drawing method, increases simultaneously
Add intermediate heat-treatment process, finally realize the smooth drawing of MULTILAYER COMPOSITE line.
Another feature of the present invention is a kind of corrosion resistant basis material M1 (2) is used to utilize as superficial layer
The characteristic of basis material M1 (2) acid corrosion-resistant can separate fiber with the system of conventional acid solution Electrochemical separation, avoid
The risk that permalloy is corroded during Electrochemical separation.
The present invention is that a kind of to have central core be permalloy (1) superficial layer for preferable corrosion resistance and mechanical property
The bunched fiber or metal fiber ply yarn of the filament composition of two concentric metal layers of the basis material M1 (2) of energy, the base
Body material M1 possesses and has good corrosion resistance and good mechanical property, is preferably stainless steel.It makes in the manner of the present invention
While standby composite metal fiber can retain the soft magnetism of center layer material permalloy, due to the presence of superficial layer, rise
The effect of protection central core is arrived so that fiber is provided simultaneously with corrosion resistance and preferable mechanical property.
Description of the drawings：
Attached drawing 1 is the radial cross-section figure of the secondary recombination line of gained in preparation process of the present invention.
(1) is permalloy in Fig. 1；(2) it is basis material M1；
(3) it is basis material M2；(4) it is encapsulating material.
Specific embodiment
The following examples can make those skilled in the art that the present invention be more fully understood, but not limit in any way
The present invention.
Embodiment 1：
One kind has soft magnetic characteristic composite metal fibre bundle, obtains in the following manner：
(1) preparation of initial composite line：Prepare the core metal wire of a diameter of 6mm, the component of the metal wire rod (with
Wt.% is represented) be：C：0.023%th, P：0.015%th, S：0.017%th, Mn：0.46%th, Ni：79.5%th, Mo：4.0%th, Cu：
0.019%th, surplus is iron；By core metal wire be packaged in steel (basis material M1) set in, steel bushing thickness be 3mm, the matrix
The component of material M1 is represented with wt.%) be：C：0.007%th, Cr：18.19%th, Cu：0.35%th, Si：0.74%th, Mn：
1.28%th, S：0.001%th, P：0.025%th, Ni：9.81%th, Mo：0.43%th, N：0.020%th, surplus is iron；Then by subtracting
Footpath drawing obtains 0.24mm composite wire W1, then above-mentioned initial composite line is coated to the copper of one layer of 10um by way of electrolysis
The initial composite line of (basis material M2)；Pass deformation in tube reducing drawing process is 8%, and annealing temperature is 1000 DEG C, is moved back
The fiery time is 1~4min.
(2) preparation of secondary composite wire：By 2000 initial composite line tying bunchys encapsulation such as iron set (encapsulating material)
It is interior, obtain secondary composite wire；
(3) bundle drawing method：The secondary composite wire of drawing by the way of bundle drawing method, most secondary composite wire drawing at last
Finished product composite wire is obtained to 0.7mm.Pass deformation during bundle drawing method is 6%, and annealing temperature is 1000 DEG C, annealing
Time is 1~4min.
(4) Electrochemical separation：Above-mentioned finished product composite wire is separated using Electrochemical separation method, it is molten using sulfuric acid
For liquid as electrochemical solution system, the concentration of sulfuric acid solution is 1.0mol/L；In electrolytic separation process, decomposition voltage is using permanent
Voltage-controlled system, in 4V, separated speed control is 2m/min for voltage control.
By above 4 steps, can obtain single fiber-bundles number is 2000, the composite metal fibre bundle of a diameter of 8um, institute
Superficial layer average thickness is stated as composite metal fiber equivalent diameter 33%.
The single strength of the metallic fiber beam can reach 7.5cN, and single elongation percentage can reach 1.2%.Bulk metal fiber
Beam has disconnected hair on a small quantity without fracture.
Embodiment 2：
One kind has soft magnetic characteristic composite metal fibre bundle, obtains in the following manner：
(1) preparation of initial composite line：Prepare the core metal wire of a diameter of 6mm, the component of the metal wire rod (with
Wt.% is represented) it is C：0.023%th, P：0.015%th, S：0.017%th, Mn：0.46%th, Ni：79.5%th, Mo：4.0%th, Cu：
0.019%th, surplus is iron；By core metal wire be packaged in steel (basis material M1) set in, steel bushing thickness be 3mm, the matrix
The component of material M1 is represented with wt.%) be：C：0.008%th, Cr：18.31%th, Cu：0.25%th, Si：0.70%th, Mn：
1.24%th, S：0.001%th, P：0.024%th, Ni：9.97%th, Mo：0.50%th, N：0.010%th, surplus is iron；Base will be cased with again
The composite wire of body material M1 is inserted in copper sheathing (basis material M2), and the thickness of copper sheathing is 1.0mm, will be cased with through drawing by subtracting
The recombination line of copper sheathing is drawn to 0.2mm, obtains initial composite wire rod；Pass deformation in tube reducing drawing process is 6%, annealing
Temperature is that 900 DEG C of annealing times are 1~3min.
(2) preparation of secondary composite wire：Above-mentioned 3500 initial composite wire rods are bundled into collar and enter in copper sheathing (encapsulation
Material) secondary composite wire is obtained, the above-mentioned copper sheathing thickness as encapsulating material is 1.0mm；
(3) subtract through drawing：The secondary composite wire of drawing by the way of bundle drawing method, most secondary composite wire drawing at last
To 0.4mm；Pass deformation during bundle drawing method is 8%, and annealing temperature is that 900 DEG C of annealing times are 1~3min.
(4) Electrochemical separation：Above-mentioned finished product composite wire is separated using Electrochemical separation method, it is molten using sulfuric acid
For liquid as electrochemical solution system, the concentration of sulfuric acid solution is 1.0mol/L；In electrolytic separation process, decomposition voltage is using permanent
Voltage-controlled system, in 4V, separated speed control is 2.5m/min for voltage control.
By above 4 steps, the composite metal fibre bundle that single fiber-bundles number is 3500 a diameter of 6um, institute can obtain
Superficial layer average thickness is stated as composite metal fiber equivalent diameter 33%.
The single strength of the metallic fiber beam can reach 4cN, and elongation percentage can reach 1.1%, and it is stainless to reach same specification tradition
The standard of the single strength of steel fibre and elongation percentage.Bulk metal fibre bundle has disconnected hair on a small quantity without fracture.
Embodiment 3
One kind has soft magnetic characteristic composite metal fibre bundle, obtains in the following manner：
(1) preparation of initial composite line：Prepare the core metal wire of a diameter of 6mm, the component of the metal wire rod (with
Wt.% is represented) be：C：0.023%th, P：0.015%th, S：0.017%th, Mn：0.46%th, Ni：79.5%th, Mo：4.0%th, Cu：
0.019%th, surplus is iron；By core metal wire be packaged in steel (basis material M1) set in, steel bushing thickness be 3mm, the matrix
The component of material M1 is represented with wt.%) be：C：0.076%th, Cr：18.87%th, Si：0.36%th, Mn：1.23%th, S：
0.006%th, P：0.028%th, Ni：8.06%th, N：0.04%th, surplus is iron；Then 0.2mm recombination lines are obtained by tube reducing drawing
Then above-mentioned initial composite line is coated the initial composite of the copper (basis material M2) of one layer of 10um by material W1 by way of electrolysis
Line；Pass deformation in tube reducing drawing process is 6%, and annealing temperature is that 950 DEG C of annealing times are 1~4min.
(2) preparation of secondary composite wire：By 3000 initial composite line tying bunchys encapsulation such as iron set (encapsulating material)
It is interior, obtain secondary composite wire；
(3) bundle drawing method：The secondary composite wire of drawing by the way of bundle drawing method, most secondary composite wire drawing at last
Finished product composite wire is obtained to 0.64mm.Pass deformation during bundle drawing method is 6%, and annealing temperature is 950 DEG C, annealing
Time is 1~4min.
(4) Electrochemical separation：Above-mentioned finished product composite wire is separated using Electrochemical separation method, it is molten using sulfuric acid
For liquid as electrochemical solution system, the concentration of sulfuric acid solution is 1.0mol/L；In electrolytic separation process, decomposition voltage is using permanent
Voltage-controlled system, in 2.5V, separated speed control is 1.5m/min for voltage control.
By above 4 steps, can obtain single fiber-bundles number is 3000, the composite metal fibre bundle of a diameter of 8um, institute
Superficial layer average thickness is stated as composite metal fiber equivalent diameter 33%.
The single strength of the metallic fiber beam can reach 8cN, and single elongation percentage can reach 1.2%.Bulk metal fibre bundle
Without fracture, there is disconnected hair on a small quantity.
Embodiment 4
One kind has soft magnetic characteristic composite metal fibre bundle, obtains in the following manner：
(1) preparation of initial composite line：Prepare the core metal wire of a diameter of 6mm, the component of the metal wire rod (with
Wt.% is represented) it is C：0.023%th, P：0.015%th, S：0.017%th, Mn：0.46%th, Ni：79.5%th, Mo：4.0%th, Cu：
0.019%th, surplus is iron；By core metal wire be packaged in steel (basis material M1) set in, steel bushing thickness be 3mm, the matrix
The component of material M1 is represented with wt.%) be：C：0.008%th, Cr：18.31%th, Cu：0.25%th, Si：0.70%th, Mn：
1.24%th, S：0.001%th, P：0.024%th, Ni：9.97%th, Mo：0.50%th, N：0.010%th, surplus is iron；Base will be cased with again
The composite wire of body material M1 is inserted in copper sheathing (basis material M2), and the thickness of copper sheathing is 1.0mm, will be cased with through drawing by subtracting
The recombination line of copper sheathing is drawn to 0.4mm, obtains initial composite wire rod；Pass deformation in tube reducing drawing process is 7%, annealing
Temperature is 900 DEG C, and annealing time is 1~3min.
(2) preparation of secondary composite wire：Above-mentioned 500 initial composite wire rods are bundled into collar and enter in copper sheathing (encapsulation
Material) secondary composite wire is obtained, the above-mentioned copper sheathing thickness as encapsulating material is 1.0mm；
(3) subtract through drawing：The secondary composite wire of drawing by the way of bundle drawing method, most secondary composite wire drawing at last
To 0.9mm；Pass deformation during bundle drawing method is 7%, and annealing temperature is that 900 DEG C of annealing times are 1~3min.
(4) Electrochemical separation：Above-mentioned finished product composite wire is separated using Electrochemical separation method, it is molten using sulfuric acid
For liquid as electrochemical solution system, the concentration of sulfuric acid solution is 1.0mol/L；In electrolytic separation process, decomposition voltage is using permanent
Voltage-controlled system, in 4V, separated speed control is 3.5m/min for voltage control.
By above 4 steps, the composite metal fibre bundle that single fiber-bundles number is 500 a diameter of 22um, institute can obtain
Superficial layer average thickness is stated as composite metal fiber equivalent diameter 33%.
The single strength of the metallic fiber beam can reach 70cN, and elongation percentage can reach 1.5%, and it is stainless to reach same specification tradition
The standard of the single strength of steel fibre and elongation percentage.Bulk metal fibre bundle has disconnected hair on a small quantity without fracture.
Comparative example 1
One kind has soft magnetic characteristic composite metal fibre bundle, obtains in the following manner：
(1) preparation of initial composite line：Prepare the core metal wire of a diameter of 0.24mm, the component of the metal wire rod
(being represented with wt.%) is：C：0.023%th, P：0.015%th, S：0.017%th, Mn：0.46%th, Ni：79.5%th, Mo：4.0%th,
Cu：0.019%th, surplus is iron, then above-mentioned core metal wire is coated to the copper (matrix of one layer of 10um by way of electrolysis
Material M2) initial composite line；Pass deformation in tube reducing drawing process is 8%, and annealing temperature is 1000 DEG C, annealing time
For 1~4min.
(2) preparation of secondary composite wire：By 2000 initial composite line tying bunchys encapsulation such as iron set (encapsulating material)
It is interior, obtain secondary composite wire；
(3) bundle drawing method：The secondary composite wire of drawing by the way of bundle drawing method, most secondary composite wire drawing at last
Finished product composite wire is obtained to 0.75mm.Pass deformation during bundle drawing method is 6%, and annealing temperature is 1000 DEG C, is moved back
The fiery time is 1~4min.
(4) Electrochemical separation：Above-mentioned finished product composite wire is separated using Electrochemical separation method, it is molten using sulfuric acid
For liquid as electrochemical solution system, the concentration of sulfuric acid solution is 1.0mol/L；In electrolytic separation process, decomposition voltage is using permanent
Voltage-controlled system, in 4V, separated speed control is 2m/min for voltage control.
By above 4 steps, last composite wire all dissolves, and does not obtain the metallic fiber of same core wire material.
Comparative example 2
One kind has soft magnetic characteristic composite metal fibre bundle, obtains in the following manner：
(1) preparation of initial composite line：Prepare the core metal wire of a diameter of 6mm, the component of the metal wire rod (with
Wt.% is represented) it is C：0.023%th, P：0.015%th, S：0.017%th, Mn：0.46%th, Ni：79.5%th, Mo：4.0%th, Cu：
0.019%th, surplus is iron；By core metal wire be packaged in steel (basis material M1) set in, steel bushing thickness be 3mm, the matrix
The component of material M1 is represented with wt.%) be：C：0.008%th, Cr：18.31%th, Cu：0.25%th, Si：0.70%th, Mn：
1.24%th, S：0.001%th, P：0.024%th, Ni：9.97%th, Mo：0.50%th, N：0.010%th, surplus is iron；Base will be cased with again
The composite wire of body material M1 is inserted in copper sheathing (basis material M2), and the thickness of copper sheathing is 1.0mm, will be cased with through drawing by subtracting
The recombination line of copper sheathing is drawn to 0.2mm, obtains initial composite wire rod；Pass deformation in tube reducing drawing process is 10%, is moved back
Fiery temperature is 900 DEG C, and annealing time is 1~3min.
(2) preparation of secondary composite wire：Above-mentioned 3500 initial composite wire rods are bundled into collar and enter in copper sheathing (encapsulation
Material) secondary composite wire is obtained, the above-mentioned copper sheathing thickness as encapsulating material is 1.0mm；
(3) subtract through drawing：The secondary composite wire of drawing by the way of bundle drawing method, most secondary composite wire drawing at last
To 0.4mm；Pass deformation during bundle drawing method is 10%, and annealing temperature is that 900 DEG C of annealing times are 1~3min.
(4) Electrochemical separation：Above-mentioned finished product composite wire is separated using Electrochemical separation method, it is molten using sulfuric acid
For liquid as electrochemical solution system, the concentration of sulfuric acid solution is 1.0mol/L；In electrolytic separation process, decomposition voltage is using permanent
Voltage-controlled system, in 4V, separated speed control is 2.5m/min for voltage control.
In the preparation process of first composite wire and secondary composite wire, tube reducing drawing broken string is serious, can not be drawn to target
After diameter, composite wire loss reaches 50%, and it is fine finally to can obtain the composite metal that single fiber-bundles number is 3500 a diameter of 6um
Beam is tieed up, the single strength of the metallic fiber beam can reach 4cN, and elongation percentage can reach 1.1%, reach same specification tradition stainless steel fibre
Tie up single strength and the standard of elongation percentage.Bulk metal fibre bundle fracture is more, there is largely disconnected hair.
Comparative example 3
One kind has soft magnetic characteristic composite metal fibre bundle, obtains in the following manner：
(1) preparation of initial composite line：Prepare the core metal wire of a diameter of 6mm, the component of the metal wire rod (with
Wt.% is represented) be：C：0.023%th, P：0.015%th, S：0.017%th, Mn：0.46%th, Ni：79.5%th, Mo：4.0%th, Cu：
0.019%th, surplus is iron；By core metal wire be packaged in steel (basis material M1) set in, steel bushing thickness be 3mm, the matrix
The component of material M1 is represented with wt.%) be：C：0.076%th, Cr：18.87%th, Si：0.36%th, Mn：1.23%th, S：
0.006%th, P：0.028%th, Ni：8.06%th, N：0.04%th, surplus is iron；Then 0.2mm recombination lines are obtained by tube reducing drawing
Then above-mentioned initial composite line is coated the initial composite of the copper (basis material M2) of one layer of 10um by material W1 by way of electrolysis
Line；Pass deformation in tube reducing drawing process is 6%, and annealing temperature is that 850 DEG C of annealing times are 1~4min.
(2) preparation of secondary composite wire：By 3000 initial composite line tying bunchys encapsulation such as iron set (encapsulating material)
It is interior, obtain secondary composite wire；
(3) bundle drawing method：The secondary composite wire of drawing by the way of bundle drawing method, most secondary composite wire drawing at last
Finished product composite wire is obtained to 0.64mm.Pass deformation during bundle drawing method is 6%, and annealing temperature is 850 DEG C, annealing
Time is 1~4min.
In above step (1), initial composite wire rod tube reducing drawing broken string is serious, and tube reducing is drawn to after aimed dia initially multiple
Zygonema material is lost up to 40%；In step (3), drawing can not be continued when subtracting through being drawn to 6.5mm, it is impossible to obtain metal target fibre
Dimension.
Embodiment 5：
One kind has soft magnetic characteristic composite metal fiber strand, obtains in the following manner：
(1) preparation of initial composite line：Prepare the core metal wire of a diameter of 6mm, the component of the metal wire rod (with
Wt.% is represented) be：C：0.023%th, P：0.015%th, S：0.017%th, Mn：0.46%th, Ni：79.5%th, Mo：4.0%th, Cu：
0.019%th, surplus is iron；By core metal wire be packaged in steel (basis material M1) set in, steel bushing thickness be 3mm, the matrix
The component of material M1 is represented with wt.%) be：C：0.007%th, Cr：18.19%th, Cu：0.35%th, Si：0.74%th, Mn：
1.28%th, S：0.001%th, P：0.025%th, Ni：9.81%th, Mo：0.43%th, N：0.020%th, surplus is iron；Base will be cased with again
The composite wire of body material M1 is inserted in iron set (basis material M2), and the thickness of iron set is 0.7mm, will be cased with through drawing by subtracting
The recombination line of iron set is drawn to 0.64mm, obtains initial composite wire rod；
(2) preparation of secondary composite wire：Above-mentioned 275 initial composite wire rods are bundled into collar and enter (encapsulation in iron set
Material) obtain secondary composite wire；
(3) subtract through drawing：The secondary composite wire of drawing by the way of bundle drawing method, most secondary composite wire drawing at last
To 0.45mm；
(4) twist：Above-mentioned intermediate composite wire is twisted using interior wire intaking type double twisting device, twist direction is left-hand lay, twisting count
It is twisted with the fingers for 175；
(5) sizing drawing：Drawing is carried out again to the intermediate composite wire twisted with 5 glomerocryst molds, obtaining line footpath is
The finished product composite wire of 0.34mm；
(6) Electrochemical separation：Above-mentioned finished product composite wire is separated using Electrochemical separation method, it is molten using sulfuric acid
For liquid as electrochemical solution system, the concentration of sulfuric acid solution is 1.0mol/L；In electrolytic separation process, decomposition voltage is using permanent
Voltage-controlled system, in 3V, separated speed control is 0.8m/min for voltage control.
The metal fiber ply yarn of single composite formula can be made by above-mentioned 6 steps, the metallic fiber number of sub-thread is 275
Root, every fibre diameter are 12 μm, and the superficial layer average thickness is composite metal fiber equivalent diameter 33%, and twist direction is a left side
It twists with the fingers, twisting count is twisted with the fingers for 175.Mechanics properties testing is carried out to it, single fibre strength is up to 20cN, and elongation percentage is up to 1.3%.Stock with
Be well combined between stock, without apparent loose stock, it is stranded, intersect, fold and be damaged the defects of.
Embodiment 6：
One kind has soft magnetic characteristic composite metal fiber strand, obtains in the following manner：
(1) preparation of initial composite line：Prepare the core metal wire of a diameter of 6mm, the component of the metal wire rod (with
Wt.% is represented) be：C：0.023%th, P：0.015%th, S：0.017%th, Mn：0.46%th, Ni：79.5%th, Mo：4.0%th, Cu：
0.019%th, surplus is iron；By core metal wire be packaged in steel (basis material M1) set in, steel bushing thickness be 3mm, the matrix
The component of material M1 is represented with wt.%) be：C：0.007%th, Cr：18.19%th, Cu：0.35%th, Si：0.74%th, Mn：
1.28%th, S：0.001%th, P：0.025%th, Ni：9.81%th, Mo：0.43%th, N：0.020%th, surplus is iron；It will by being electrolysed
Above-mentioned initial composite line coats the copper (basis material M2) of one layer of 10um, then obtains the initial multiple of 1.0mm through drawing by subtracting
Zygonema；
(2) preparation of secondary composite wire：Above-mentioned 90 initial composite wire rods are bundled into collar and enter in copper sheathing (package material
Material) obtain secondary composite wire；
(3) subtract through drawing：The secondary composite wire of drawing by the way of bundle drawing method, most secondary composite wire drawing at last
To 0.3mm；
(4) twist：Above-mentioned intermediate composite wire is twisted using interior wire intaking type double twisting device, twist direction is left-hand lay, twisting count
It is twisted with the fingers for 75；
(5) sizing drawing：Drawing is carried out again to the intermediate composite wire twisted with 5 glomerocryst molds, obtaining line footpath is
The finished product composite wire of 0.2mm；
(6) Electrochemical separation：Above-mentioned finished product composite wire is separated using Electrochemical separation method, it is molten using sulfuric acid
For liquid as electrochemical solution system, the concentration of sulfuric acid solution is 1.0mol/L；In electrolytic separation process, decomposition voltage is using permanent
Voltage-controlled system, in 3V, separated speed control is 1.2m/min for voltage control.
The metal fiber ply yarn of single composite formula can be made by above-mentioned 6 steps, the metallic fiber number of sub-thread is 90,
Every fibre diameter is 14 μm, and the superficial layer average thickness is composite metal fiber equivalent diameter 33%, and twist direction is left-hand lay,
Twisting count is twisted with the fingers for 75.Mechanics properties testing is carried out to it, single fibre strength is up to 25cN, and elongation percentage is up to 1.1%.Stock with stock it
Between be well combined, without apparent loose stock, it is stranded, intersect, fold and be damaged the defects of.
Those skilled in the art can make replacement, deformation according to the present invention, as long as they do not deviate from the basic of the present invention,
Within the scope of the present invention.
Claims (10)
1. a kind of soft magnetism composite metal fiber, it is characterised in that：The composite metal fiber is by radial cross-section
The bunched fiber of the filament composition of two concentric metal layers with central core and superficial layer；The central core is permalloy
(1)；The superficial layer is basis material M1 (2)；The equivalent diameter of the composite metal fiber is 2~80 μm.
2. a kind of soft magnetism composite metal fiber according to claim 1, it is characterised in that：The average thickness of the superficial layer
It spends for the 5%~50% of composite metal fiber equivalent diameter；The nickel content of the permalloy (1) be 70~80wt%, institute
It is any one in stainless steel, titanium, titanium alloy to state basis material M1 (2).
3. preparing a kind of method of soft magnetism composite metal fiber as described in claim 1~2 any one, feature exists
In：Comprise the following steps：
Step 1：Make initial composite wire rod
Wire rod centered on selection permalloy (1) wire rod is embedded into tube reducing in basis material M1 (2) and is drawn to diameter D1 acquisitions
Composite wire W1, after again be embedded in basis material M2 (3) in, obtain initial composite line；
Pass deformation in the tube reducing drawing process is 6%~8%, is annealed between passage, and the annealing temperature is 900
~1100 DEG C, the time is 1~10min；
Or
Wire rod centered on selection permalloy (1) wire rod, is embedded into basis material M1 (2), then will be coated with basis material M1
(2) in composite wire W2, insertion basis material M2 (3), it is drawn to diameter D2 through tube reducing and obtains initial composite line；
Pass deformation in the tube reducing drawing process is 6%~8%, is annealed between passage, and the annealing temperature is 900
~1100 DEG C, the time is 1~10min,
Step 2：The making of secondary composite wire
After more initial composite line tying bunchys secondary recombination line will be obtained with encapsulating material (4) encapsulation；
Step 3 bundle drawing method
Secondary recombination line is drawn to by diameter D3 using bundle drawing method and obtains finished product composite wire；
Pass deformation in the bundle drawing method is 6%~8%, is annealed between passage, the annealing temperature for 900~
1100 DEG C, the time is 1~10min；
Step 4：Electrochemical separation
The finished product composite wire is separated using Electrochemical separation method, encapsulating material and basis material M2 is removed, obtains
To soft magnetism composite metal fiber.
4. a kind of preparation method of soft magnetism composite metal fiber according to claim 3, it is characterised in that：Step 1
In, select permalloy (1) wire rod centered on wire rod, be embedded into tube reducing in basis material M1 (2) and be drawn to diameter D1, after again
In embedded basis material M2 (3), initial composite line is obtained；
Pass deformation in the tube reducing drawing process is 6%~8%, is annealed between passage, and the annealing temperature is 900
~1000 DEG C, the time is 1~4min.
5. a kind of preparation method of soft magnetism composite metal fiber according to claim 3, it is characterised in that：The step
In rapid one, the nickel content of selected permalloy (1) is 70~80wt%；The diameter of selected permalloy (1) wire rod
For 3~10mm；
In step 1, described matrix material M1 (2) is stainless steel, titanium, titanium alloy；The thickness of described matrix material M1 (2) is 0.5
~4mm,
In step 1, described matrix material M2 (3) is any one in copper, iron, copper alloy or ferroalloy, nickel or nickel alloy；
The thickness of described matrix material M2 (3) is 10 μm~1mm.
In step 2, the encapsulating material (4) is one kind in iron, aluminium alloy, ferroalloy, nickel or nickel alloy.
6. a kind of preparation method of soft magnetism composite metal fiber according to claim 5, it is characterised in that：Step 1
In, the thickness of described matrix material M1 (2) is 2~3.0mm；Basis material M2 (3) thickness of composite wire W1 insertion is
10μm；The thickness of the composite wire W2 insertion basis material M2 (3) is 0.7~1mm.
7. a kind of preparation method of soft magnetism composite metal fiber according to claim 3, it is characterised in that：Step 1
In, the diameter D1 is 0.1~2.0mm；The diameter D2 is 0.2~1.0mm；
In step 3, the diameter D3 is 0.1~5.0mm.
8. a kind of preparation method of soft magnetism composite metal fiber according to claim 7, it is characterised in that：It is described straight
Footpath D1 is 0.2~0.24mm；A diameter of D2 is 0.2~0.4mm；The diameter D3 is 0.4~0.9mm.
9. a kind of preparation method of soft magnetism composite metal fiber according to claim 3, it is characterised in that：Step 4
In, the Electrochemical separation method is for electrolysis using continuous yin and yang mixture, and the electrochemical solution system used is sulfuric acid solution,
The concentration of sulfuric acid solution is 0.5~2.5mol/L；In electrolytic separation process, decomposition voltage uses the Isobarically Control of 0.2~4V,
Separating rate is 0.8~2.5m/min.
10. a kind of soft magnetism composite metal fiber as described in any one of claims 1-9 is applied to metallic fiber stock
Line.
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| WO2020052552A1 (en) * | 2018-09-11 | 2020-03-19 | 山东大学 | Machining process for profile with internal micropores |
| CN114713658A (en) * | 2022-04-21 | 2022-07-08 | 湖南惠同新材料股份有限公司 | Method for manufacturing titanium fiber |
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| CN204939979U (en) * | 2015-09-09 | 2016-01-06 | 卜庆革 | Can simultaneously stability low frequency and frequency electromagnetic waves composite fibre and comprise fabric or the clothes of composite fibre |
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| CN1569352A (en) * | 2004-04-30 | 2005-01-26 | 上海瓦恩德特种金属材料有限公司 | Composite stainless steel wire and its manufacturing process |
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