CN108118194A - The preparation method of Fe-Co base magnetic strictions alloy and its B alloy wire - Google Patents
The preparation method of Fe-Co base magnetic strictions alloy and its B alloy wire Download PDFInfo
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- CN108118194A CN108118194A CN201711174618.XA CN201711174618A CN108118194A CN 108118194 A CN108118194 A CN 108118194A CN 201711174618 A CN201711174618 A CN 201711174618A CN 108118194 A CN108118194 A CN 108118194A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
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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
Abstract
The invention discloses a kind of Fe Co base magnetic striction alloys, it is characterised in that:The weight percent of alloying component is Fe100‑x‑y‑ zCoxMyREz, the one or more in M Mn, V, Cu, Ti, Al, the one or more in RE La, Ce, Pr, Tb, Dy, Y, Er, wherein x=60 80, y=0 10, z=0.1 1.0, surplus Fe.The invention also discloses a kind of preparation methods of Fe Co base magnetic striction B alloy wires.The present invention solves the problems, such as existing magnetostriction alloy wire magnetic property and unstable mechanical property.
Description
Technical field
The present invention relates to a kind of magnetostriction materials, specifically, are related to a kind of Fe-Co base magnetic strictions alloy and its alloy
The preparation method of silk.
Background technology
Magnetostriction materials have and can change magnetic property can reply deformation and while applying stress in the presence of externally-applied magnetic field
Characteristic, be a kind of important energy and information conversion function material.It is applied to the magnetostriction materials of engineering generally at present
Mainly there are four major classes:First, there is the Metal and Alloy of magnetostrictive effect, such as nickel-base alloy and ferrous alloy, saturated magnetization
Intensity is high, and mechanical property is good, has the characteristics that deformable;Second is that ferrite (such as Ni-Zn, Ni-Co-Cu etc.), saturated magnetization
Intensity is low, cheap, high frequency characteristics is good;Third, using Tb-Dy-Fe materials as the rare earth intermetallic compound of representative, mangneto
Telescopicing performance is far above traditional magnetostriction materials, but its brittleness is big, it is impossible to be processed into silk, and the prices of raw materials are expensive;Fourth,
Fe-Ga giant magnetostriction materials have preferable Magnetostriction and mechanical property.
Magnetostriction materials are widely used in the technical fields such as transducing, driving, sensing as a kind of intellectual material.Profit
The tank gage sensor developed with the Wertheim effect of magnetostriction materials has a wide range of applications in modern industry.Core therein
Heart sensitive components waveguide filament is mostly Fe-Ni alloy/C silk, but the Magnetostriction of Fe-Ni alloy/C silk is relatively low, limits sensing
The precision and measurement range of device.Therefore, a kind of preparation process is simple, with big magnetostriction and the magnetic of good mechanical performance
Flexible B alloy wire is caused to become emphasis of concern.
The content of the invention
Technical problem solved by the invention is to provide the preparation side of a kind of Fe-Co base magnetic strictions alloy and its B alloy wire
Method solves the problems, such as existing magnetostriction alloy wire magnetic property and unstable mechanical property.
Technical solution is as follows:
A kind of Fe-Co base magnetic strictions alloy, it is characterised in that:The weight percent of alloying component is Fe100-x-y- zCoxMyREz, the one or more in M Mn, V, Cu, Ti, Al, one kind or more in RE La, Ce, Pr, Tb, Dy, Y, Er
Kind, wherein x=60-80, y=0-10, z=0.1-1.0, surplus Fe.
Further:X=65-75, y=0, z=0.1-1.0, surplus Fe.
Further:X=65-75, y=0-5, and 65≤x+y≤80, z=0.1-1.0, surplus Fe.
A kind of preparation method of Fe-Co base magnetic strictions B alloy wire, including:
Dispensing is carried out according to the mass percent of alloying component, and adds in suitable scaling loss amount;Dispensing is put into vacuum sense
It answers in stove, is evacuated to 5-10Pa, be passed through argon gas protection and carry out melting, cylindrical Fe-Co alloy/C casting is cast into after melting
Ingot;The weight percent of alloying component is Fe100-x-y-zCoxMyREz, the one or more in M Mn, V, Cu, Ti, Al, RE is
One or more in La, Ce, Pr, Tb, Dy, Y, Er, wherein x=60-80, y=0-10, z=0.1-1.0, surplus Fe;
Fe-Co alloy/C ingot casting is heated to 600-900 DEG C, when heat preservation 1-3 is small after forged, final forging to diameter
The Fe-Co alloy/C pole of 30-35mm;
800-1000 DEG C of progress hot rolling will be heated to by Fe-Co alloy/C pole, wherein, total rolling pass is 7-10 times,
Prepare the Fe-Co alloy/C wire rod of diameter 7.0-8.0mm;
Fe-Co alloy/C wire rod is heated to 800-1000 DEG C of progress hot pull, wherein, total drawing passes is 8-10 times, system
For the Fe-Co alloy/C silk for going out diameter 2.5-3.5mm;
Fe-Co alloy/C silk is surface-treated, carries out cold drawing, wherein, total drawing passes 20-25 times, diameter 0.5-
The Fe-Co base magnetic striction wires of 1.0mm;
Fe-Co base magnetic striction wires are carried out in vacuum furnace to 700-900 DEG C of heat treatment, when heat preservation 0.5-1 is small,
Using water quenching or air-cooled it is cooled to room temperature.
Preferably:Surface is carried out to Fe-Co alloy/C ingot casting and carries out grinding process, removes surface oxide layer and defect.
Preferably:In forging process, for control final forging temperature not less than 500 DEG C, less than 500 DEG C when terminates forging, melts down guarantor
Continue to forge after 10-30 minutes warm.
Preferably:Grinding process is carried out to Fe-Co alloy/C pole surface after completing forging, removal Fe-Co alloy/C pole
Surface oxide layer and defect.
Preferably:In course of hot rolling, for control finishing temperature not less than 700 DEG C, less than 700 DEG C when terminates hot rolling, melts down guarantor
Continue hot rolling after 10-20 minutes warm.
Preferably:Pickling and alkali cleaning processing are carried out before hot pull Fe-Co alloy/C wire rod, Fe-Co is closed after the completion of cold drawing
Spun gold carries out pickling and alkali cleaning processing, removes surface oxide layer.
Preferably:Solution treatment is carried out during cold drawing, 500-700 DEG C for the treatment of temperature is cold when processing time 1-3 is small
But mode is water cooling or air-cooled.
Compared with prior art, the technology of the present invention effect includes:
1st, the present invention solves the problems, such as existing magnetostriction alloy wire magnetic property and unstable mechanical property.Fe-Co magnetic
Causing telescopic material, preparation is simple, and magnetic property and stable mechanical property, magnetostriction coefficient reach 80 × 10-6, compared with
The Magnetostriction of tradition iron-nickel alloy be higher by as many as nearly 5 times, and will not have a negative impact to other magnetic properties.
2nd, the present invention promotes the toughness and tensile property of magnetostrictive wire by adding the elements such as Mn, V, Cu, Ti, Al,
The diameter of B alloy wire is made to reach 0.5-1.0mm.
3rd, the preparation optimization to Fe-Co systems alloy magnetostriction wire rod and improvement reduce manufacturing cost, and can carry
The stability of material preparation is risen, is convenient for large-scale batch production.And then realize Fe-Co systems alloy magnetostriction B alloy wire
Extensive use in the sensor.
Description of the drawings
Fig. 1 is Fe in the present invention26.5Co73Y0.5The Magnetostriction graph of magnetostriction alloy wire;
Fig. 2 is Fe in the present invention20Co79Mn0.8Tb0.2The Magnetostriction graph of magnetostriction alloy wire;
Fig. 3 is Fe in the present invention23.2Co76Cu0.5Ce0.3The Magnetostriction graph of magnetostriction alloy wire.
Specific embodiment
It elaborates below with reference to example embodiment to technical solution of the present invention.However, example embodiment can
Implement in a variety of forms, and be not understood as limited to embodiment set forth herein;On the contrary, it theses embodiments are provided so that
The design of example embodiment more comprehensively and completely, and is comprehensively communicated to those skilled in the art by the present invention.
The preparation method of Fe-Co base magnetic striction B alloy wires is prepared using hot pull method, specific as follows:
Step 1:Dispensing is carried out according to the mass percent of alloying component, and adds in suitable scaling loss amount;Dispensing is put into
In vaccum sensitive stove, 5-10Pa is evacuated to, argon gas protection is passed through and carries out melting, cylindrical Fe-Co is cast into after melting
Alloy cast ingot;
Fe-Co base magnetic striction alloys, the weight percent of alloying component are:Fe100-x-y-zCoxMyREz, M Mn, V,
One or more in Cu, Ti, Al, the one or more in RE La, Ce, Pr, Tb, Dy, Y, Er, wherein x=60-80, y=
0-10, z=0.1-1.0, surplus Fe.
Fe-Co alloy/C ingot casting carries out surface and carries out grinding process, removes surface oxide layer and defect, final to obtain surface light
Clean Fe-Co alloy/C ingot casting.
Step 2:Fe-Co alloy/C ingot casting is heated to 600-900 DEG C, when heat preservation 1-3 is small after forged, final forging is extremely
The Fe-Co alloy/C pole of diameter 30-35mm;
Final forging temperature is controlled not less than 500 DEG C, less than 500 DEG C when terminates forging, continues to forge after melting down heat preservation 10-30 minutes
It makes.Complete forging after to Fe-Co alloy/C pole surface carry out grinding process, remove Fe-Co alloy/C pole surface oxide layer and
Defect, the final Fe-Co alloy/C pole for obtaining any surface finish.
Step 3:800-1000 DEG C will be heated to by Fe-Co alloy/C pole, hot rolling is carried out using four-high mill, wherein,
Total rolling pass is 7-10 times, prepares the Fe-Co alloy/C wire rod of diameter 7.0-8.0mm;
Finishing temperature need to be controlled not less than 700 DEG C, less than 700 DEG C when terminates hot rolling, continues after melting down heat preservation 10-20 minutes
Hot rolling.
Step 4:Fe-Co alloy/C wire rod is heated to 800-1000 DEG C, hot pull is carried out using horizontal wire-drawing machine, wherein,
Total drawing passes is 8-10 times, prepares the Fe-Co alloy/C silk of diameter 2.5-3.5mm;
Pickling and alkali cleaning processing are carried out before hot pull Fe-Co alloy/C wire rod, removes surface oxide layer.
Step 5:Fe-Co alloy/C silk is surface-treated, cold drawing is carried out using horizontal wire-drawing machine, wherein, total drawing
Passage 20-25 times, the Fe-Co base magnetic striction wires of diameter 0.5-1.0mm;
Pickling is carried out to Fe-Co alloy/C silk after the completion of cold drawing and alkali cleaning is handled, removes surface oxide layer.Cold drawing process
In need to carry out solution treatment, 500-700 DEG C for the treatment of temperature, when processing time 1-3 is small, the type of cooling is water cooling or air-cooled.
Step 6:Fe-Co base magnetic striction wires are carried out in vacuum furnace to 700-900 DEG C of heat treatment, keep the temperature 0.5-
1 it is small when, using water quenching or it is air-cooled be cooled to room temperature, obtain Fe-Co base magnetic striction B alloy wires.
Selected material purity is more than 99.95% in the embodiment of the present invention.Magnetostrictive strain in the embodiment of the present invention
It is measured using measuring resistance strain gauge method in parallel direction.
Below by embodiment, technical scheme is described in further detail.
Embodiment 1:
Step 1:The raw material of Fe 26.5%, Co 73%, Y 0.5% are weighed according to weight percent, above-mentioned each component
The sum of weight percent is 100%, and raw material are put into vaccum sensitive stove, are evacuated to 8Pa, is passed through argon gas protection and is melted
Refining, cylindrical ingot is cast into after melting;Then grinding process is carried out to alloy surface, removal Fe-Co alloy/C ingot casting
Surface oxide layer and defect, the final Fe-Co alloy/C ingot casting for obtaining any surface finish;
Step 2:Fe-Co alloy/C ingot casting is heated to 850 DEG C, when heat preservation 1 is small after forged, 700 DEG C of final forging temperature, most
Finish-forging is made to the alloy pole of diameter 31mm, needs to control in the process, and forging is terminated during less than 700 DEG C, melts down 20 points of heat preservation
Continue to forge after clock;Grinding process is carried out to alloy surface after completing forging, remove the surface oxide layer of Fe-Co alloy/C stick and is lacked
It falls into, the final Fe-Co alloy/C pole for obtaining any surface finish;
Step 3:Fe-Co alloy/C pole is heated to 1000 DEG C, hot rolling is carried out using four-high mill, controls finishing temperature
900 DEG C, less than 900 DEG C when terminates hot rolling, continues hot rolling after melting down heat preservation 15 minutes, by 10 passes, prepares diameter
For the Fe-Co alloy/C wire rod of 8.0mm;
Step 4:Fe-Co alloy/C wire rod is subjected to pickling and alkali cleaning processing, 1000 DEG C are heated to after removing surface oxide layer,
Hot pull is carried out using horizontal wire-drawing machine, it is hot candied by 10 passages, prepare the Fe-Co base magnetic striction wires of diameter 3.5mm;
Step 5:Fe-Co alloy/C silk is surface-treated, cold drawing, total drawing passes 20 are carried out using horizontal wire-drawing machine
It is secondary, the Fe-Co base magnetic striction wires of diameter 0.8mm are prepared, carry out needing progress solution treatment in the process, 700 DEG C for the treatment of temperature,
When processing time 1.5 is small, the type of cooling is water cooling;
Step 6:Fe-Co base magnetic striction wires are carried out in vacuum furnace to 800 DEG C of heat treatment, when heat preservation 0.5 is small,
Using water quenching cooling to room temperature, Fe-Co base magnetic striction B alloy wires are obtained.
As shown in Figure 1, it is Fe in the present invention26.5Co73Y0.5The Magnetostriction graph of magnetostriction alloy wire.
In 2000Oe, magnetostriction coefficient reaches 76 × 10 in magnetic field-6;In 4000Oe, magnetic, which is stretched, reaches saturation, is in magnetic field
Number is 81 × 10-6。
Embodiment 2:
Step 1:The raw material of Fe 20%, Co 79%, Mn0.8%, Tb0.2% are weighed according to weight percent, it is above-mentioned each
The sum of weight percent of component is 100%, and raw material are put into vaccum sensitive stove, are evacuated to 10Pa, is passed through argon gas guarantor
Shield carries out melting, and cylindrical ingot is cast into after melting;Then grinding process is carried out to alloy surface, removal Fe-Co is closed
The surface oxide layer and defect of golden ingot casting, the final Fe-Co alloy/C ingot casting for obtaining any surface finish;
Step 2:Fe-Co alloy/C ingot casting is heated to 700 DEG C, when heat preservation 1.5 is small after forged, 600 DEG C of final forging temperature,
Final forging needs to control in the process to the alloy pole of diameter 35mm, and less than 600 DEG C when terminates forging, melts down heat preservation 15
Continue to forge after minute;Complete forging after to alloy surface carry out grinding process, remove Fe-Co alloy/C stick surface oxide layer and
Defect, the final Fe-Co alloy/C stick for obtaining any surface finish;
Step 3:Fe-Co alloy/C pole is heated to 900 DEG C, hot rolling is carried out using four-high mill, controls finishing temperature 700
DEG C, less than 700 DEG C when terminates hot rolling, melts down heat preservation and continues hot rolling after twenty minutes, by 8 passes, prepares a diameter of
The Fe-Co alloy/C wire rod of 7.5mm;
Step 4:Fe-Co alloy/C wire rod is subjected to pickling and alkali cleaning processing, 900 DEG C are heated to after removing surface oxide layer,
Hot pull is carried out using horizontal wire-drawing machine, it is hot candied by 8 passages, prepare the Fe-Co base magnetic striction wires of diameter 3.0mm;
Step 5:Fe-Co alloy/C silk is surface-treated, cold drawing, total drawing passes 23 are carried out using horizontal wire-drawing machine
It is secondary, the Fe-Co base magnetic striction wires of diameter 0.6mm are prepared, carry out needing progress solution treatment in the process, 700 DEG C for the treatment of temperature,
When processing time 1 is small, the type of cooling is air-cooled;
Step 6:Fe-Co base magnetic striction wires are carried out in vacuum furnace to 900 DEG C of heat treatment, when heat preservation 1 is small, are adopted
It is cooled to room temperature with air-cooled mode, obtains Fe-Co base magnetic striction B alloy wires.
As shown in Fig. 2, it is Fe in the present invention20Co79Mn0.8Tb0.2The Magnetostriction curve of magnetostriction alloy wire
Figure.
In 2000Oe, magnetostriction coefficient reaches 78 × 10 in magnetic field-6;In 4000Oe, magnetic, which is stretched, reaches saturation, is in magnetic field
Number is 80 × 10-6。
Embodiment 3:
Step 1:The raw material of Fe 23.2%, Co 76%, Cu 0.5%, Ce0.3% are weighed according to weight percent, it is above-mentioned
The sum of weight percent of each component is 100%, and raw material are put into vaccum sensitive stove, are evacuated to 10Pa, are passed through argon gas
Protection carries out melting, and cylindrical ingot is cast into after melting;Then grinding process is carried out to alloy surface, removes Fe-Co
The surface oxide layer and defect of alloy cast ingot, the final Fe-Co alloy/C ingot casting for obtaining any surface finish;
Step 2:Fe-Co alloy/C ingot casting is heated to 800 DEG C, when heat preservation 2 is small after forged, 600 DEG C of final forging temperature, most
Finish-forging is made to the alloy pole of diameter 35mm, needs to control in the process, and forging is terminated during less than 600 DEG C, melts down 10 points of heat preservation
Continue to forge after clock;Grinding process is carried out to alloy surface after completing forging, remove the surface oxide layer of Fe-Co alloy/C stick and is lacked
It falls into, the final Fe-Co alloy/C pole for obtaining any surface finish;
Step 3:Fe-Co alloy/C pole is heated to 900 DEG C, hot rolling is carried out using four-high mill, controls finishing temperature 700
DEG C, less than 700 DEG C when terminates hot rolling, melts down heat preservation and continues hot rolling after twenty minutes, by 9 passes, prepares a diameter of
The Fe-Co alloy/C wire rod of 7.0mm;
Step 4:Fe-Co alloy/C wire rod is subjected to pickling and alkali cleaning processing, 900 DEG C are heated to after removing surface oxide layer,
Hot pull is carried out using horizontal wire-drawing machine, it is hot candied by 9 passages, prepare the Fe-Co base magnetic striction wires of diameter 3.0mm;
Step 5:Fe-Co alloy/C silk is surface-treated, cold drawing, total drawing passes 25 are carried out using horizontal wire-drawing machine
It is secondary, the Fe-Co base magnetic striction wires of diameter 0.5mm are prepared, carry out needing progress solution treatment in the process, 650 DEG C for the treatment of temperature,
When processing time 2 is small, the type of cooling is water cooling;
Step 6:Fe-Co base magnetic striction wires are carried out in vacuum furnace to 900 DEG C of heat treatment, when heat preservation 1 is small, are adopted
It is cooled to room temperature with air-cooled mode, obtains Fe-Co base magnetic striction B alloy wires.
As shown in figure 3, it is Fe in the present invention23.2Co76Cu0.5Ce0.3The Magnetostriction curve of magnetostriction alloy wire
Figure.
In 2000Oe, magnetostriction coefficient reaches 75 × 10 in magnetic field-6;In 3500Oe, magnetic, which is stretched, reaches saturation, is in magnetic field
Number is 80 × 10-6。
Term used herein is explanation and term exemplary, and not restrictive.Since the present invention can be with a variety of
Form specific implementation without departing from the spiritual or substantive of invention, it should therefore be appreciated that above-described embodiment be not limited to it is any foregoing
Details, and should widely being explained in the spirit and scope that appended claims are limited, thus fall into claim or its etc.
Whole variations and remodeling in the range of effect all should be appended claims and covered.
Claims (10)
1. a kind of Fe-Co base magnetic strictions alloy, it is characterised in that:The weight percent of alloying component is Fe100-x-y- zCoxMyREz, the one or more in M Mn, V, Cu, Ti, Al, one kind or more in RE La, Ce, Pr, Tb, Dy, Y, Er
Kind, wherein x=60-80, y=0-10, z=0.1-1.0, surplus Fe.
2. Fe-Co base magnetic strictions alloy as described in claim 1, it is characterised in that:X=65-75, y=0, z=0.1-1.0,
Surplus is Fe.
3. Fe-Co base magnetic strictions alloy as described in claim 1, it is characterised in that:X=65-75, y=0-5, and 65≤x+y
≤ 80, z=0.1-1.0, surplus Fe.
4. a kind of preparation method of Fe-Co base magnetic strictions B alloy wire, including:
Dispensing is carried out according to the mass percent of alloying component, and adds in suitable scaling loss amount;Dispensing is put into vaccum sensitive stove
In, 5-10Pa is evacuated to, argon gas protection is passed through and carries out melting, cylindrical Fe-Co alloy/C ingot casting is cast into after melting;It closes
The weight percent of golden ingredient is Fe100-x-y-zCoxMyREz, the one or more in M Mn, V, Cu, Ti, Al, RE La, Ce,
One or more in Pr, Tb, Dy, Y, Er, wherein x=60-80, y=0-10, z=0.1-1.0, surplus Fe;
Fe-Co alloy/C ingot casting is heated to 600-900 DEG C, when heat preservation 1-3 is small after forged, final forging to diameter 30-
The Fe-Co alloy/C pole of 35mm;
800-1000 DEG C of progress hot rolling will be heated to by Fe-Co alloy/C pole, wherein, total rolling pass is 7-10 times, is prepared
Go out the Fe-Co alloy/C wire rod of diameter 7.0-8.0mm;
Fe-Co alloy/C wire rod is heated to 800-1000 DEG C of progress hot pull, wherein, total drawing passes is 8-10 times, is prepared
The Fe-Co alloy/C silk of diameter 2.5-3.5mm;
Fe-Co alloy/C silk is surface-treated, carries out cold drawing, wherein, total drawing passes 20-25 times, diameter 0.5-1.0mm
Fe-Co base magnetic striction wires;
Fe-Co base magnetic striction wires are carried out in vacuum furnace to 700-900 DEG C of heat treatment, when heat preservation 0.5-1 is small, are used
Water quenching air-cooled is cooled to room temperature.
5. the preparation method of Fe-Co base magnetic strictions B alloy wire as claimed in claim 4, it is characterised in that:Fe-Co base mangnetos are stretched
A diameter of 0.5-1.0mm of contracting silk.
6. the preparation method of Fe-Co base magnetic strictions B alloy wire as claimed in claim 4, it is characterised in that:In forging process, control
Final forging temperature processed is not less than 500 DEG C, and forging is terminated during less than 500 DEG C, continues to forge after melting down heat preservation 10-30 minutes.
7. the preparation method of Fe-Co base magnetic striction B alloy wires as described in claim 4 or 6, it is characterised in that:To Fe-Co
Alloy cast ingot carries out surface and carries out grinding process, and grinding process, removal are carried out to Fe-Co alloy/C pole surface after completing forging
The surface oxide layer and defect of Fe-Co alloy/C pole.
8. the preparation method of Fe-Co base magnetic striction B alloy wires as described in claim 4 or 6, it is characterised in that:Course of hot rolling
In, for control finishing temperature not less than 700 DEG C, less than 700 DEG C when terminates hot rolling, continues hot rolling after melting down heat preservation 10-20 minutes.
9. the preparation method of Fe-Co base magnetic strictions B alloy wire as claimed in claim 4, it is characterised in that:Hot pull Fe-Co is closed
Pickling and alkali cleaning processing are carried out before golden wire rod, pickling is carried out to Fe-Co alloy/C silk after the completion of cold drawing and alkali cleaning is handled, removes table
Face oxide layer.
10. the preparation method of Fe-Co base magnetic strictions B alloy wire as claimed in claim 4, it is characterised in that:During cold drawing
Solution treatment is carried out, 500-700 DEG C for the treatment of temperature, when processing time 1-3 is small, the type of cooling is water cooling or air-cooled.
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