CN103556045B - A kind of New Magnetostrictive Material based on the design of FeGa-RFe2 magnetocrystalline anisotropy compensation principle and preparation method thereof - Google Patents
A kind of New Magnetostrictive Material based on the design of FeGa-RFe2 magnetocrystalline anisotropy compensation principle and preparation method thereof Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 61
- 238000013461 design Methods 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 20
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 44
- 229910045601 alloy Inorganic materials 0.000 claims description 43
- 239000000956 alloy Substances 0.000 claims description 43
- 239000013078 crystal Substances 0.000 claims description 43
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 36
- 238000002844 melting Methods 0.000 claims description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 30
- 229910052802 copper Inorganic materials 0.000 claims description 30
- 239000010949 copper Substances 0.000 claims description 30
- 238000003723 Smelting Methods 0.000 claims description 24
- 229910052786 argon Inorganic materials 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 22
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 18
- 238000005266 casting Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 18
- 238000010926 purge Methods 0.000 claims description 18
- 239000000377 silicon dioxide Substances 0.000 claims description 18
- 230000008018 melting Effects 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 12
- 239000000155 melt Substances 0.000 claims description 6
- 239000012459 cleaning agent Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 101150096058 Erfe gene Proteins 0.000 abstract description 15
- 229910052761 rare earth metal Inorganic materials 0.000 abstract description 13
- 230000005291 magnetic effect Effects 0.000 abstract description 9
- 150000002910 rare earth metals Chemical class 0.000 abstract description 9
- 229910002056 binary alloy Inorganic materials 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005275 alloying Methods 0.000 abstract description 2
- 239000000470 constituent Substances 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 92
- 241001062472 Stokellia anisodon Species 0.000 description 6
- 229910052733 gallium Inorganic materials 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000007670 refining Methods 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- 229910000807 Ga alloy Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002074 melt spinning Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
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- 229910052775 Thulium Inorganic materials 0.000 description 1
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Abstract
The invention discloses a kind of based on FeGa-RFe
2new Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design and preparation method thereof, this magnetostriction materials composition is (Fe
100-Xga
x)
y(RFe
2)
z, wherein 10≤X≤40, Y and Z regulates ratio Y:Z=1 ~ 20 of compensating component in pseudo-binary system, RFe
2for TbFe
2, SmFe
2, DyFe
2, HoFe
2, ErFe
2, TmFe
2in one or several, X, Y, Z are mole percent level.The present invention is based on FeGa-RFe
2the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design is by non-rare earth FeGa base magnetic striction alloying constituent, and trace adds the rare earth RFe with large magneto-strain performance
2composition, carries out magnetocrystalline anisotropy compensation to FeGa composition simultaneously, thus obtains the New Magnetostrictive Material with advantage performances such as large magneto-strain, low driving field, strong mechanical performance, low costs.
Description
Technical field
The present invention relates to a kind of magnetostriction materials, more particularly, refer to a kind of based on FeGa-RFe
2new Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design and preparation method thereof.
Background technology
Ferromagnetic material and ferrimagnetic material are due to the change of magnetized state, and its length and volume can along with small change occur, and this phenomenon is called magnetostriction.Magnetostriction materials are a kind of important functional materialss.It applies to robot, computer, automobile, actuator, controller, transverter, sensor, micro positioner widely, the field such as vibration abatement, ultrasonic wave.Sonar be magnetostriction materials the earliest with topmost application element thereof, its core parts are piezoelectric and magnetostriction materials, magnetostriction materials all comparatively piezoelectric excellent property in power, response frequency, low pressure effect and reliability.The widespread use of magnetostriction materials will cause the revolution of a series of control and power element.
The magnetostriction materials with big magnetostriction performance found at present mainly contain TbDyFe and FeGa two kinds of alloy systems.Wherein, TbDyFe alloy system Magnetostriction is very large, and saturated magneto-strain can reach 1800 ~ 2000ppm, but magnetic anisotropy after compensating, can still have slightly large driving magnetic field; And rare earth element accounts for more than 60%, cost is high, and fragility is large, is unfavorable for mechanical workout.The saturated magneto-strain of FeGa alloy system is 300ppm, but driving magnetic field is low, and cost is low, and toughness of material is good, can mechanical workout.How can integrate the advantage performance of bi-material system? this will be that a new material system just can present.
Chinese Patent Application No. CN200710101498.0, April 24 2007 applying date, publication number CN101086912A, denomination of invention " a kind of FeGa-RE series magnetostriction material and manufacturing process thereof ".The document discloses and add the rare earth element crystal grain thinnings such as La, Ce to improve the mechanical property of Fe-Ga alloy in Fe-Ga alloy, the magnetostriction value simultaneously obtained, at about 300ppm, is worked as with FeGa alloy phase.
In order to obtain the significantly raising of Magnetostriction, there is the excellent specific property of low driving magnetic field and low cost simultaneously, first need the Composition Design that suitable, secondly also will be aided with suitable preparation method, just can prepare the novel material that has excellent specific property.Therefore from design of material, the novel material (with reference to " Fundamentals of Material Science " that Zhang Jun woods etc. is write, 2006 July the 1st edition) having a specified property by Design Theory " customized " is the important channel of the new material system of generation one.
Magnetocrystalline anisotropy describes the magneticanisotropy of magnetic mono crystal body, and it reflects the magnetization of the crystallization magnet characteristic relevant with crystallographic axis (as if " Magnetic Materials is of science " (revised edition) write with reference to moral good fortune etc., 1999 April the 1st edition).Magneticanisotropy is an important problem in the research of physics and material, for the technological property that magneticsubstance is described, as magnetic permeability and coercive force, has primary importance.Ferromagnetic magnetostriction is the same with the source of magnetocrystalline anisotropy, because atom or the spin of ion and the coupling of track produce.Magnetostriction model shows, anisotropy energy effect causes magnetostriction.
Summary of the invention
In order to realize the excellent properties such as the large magneto-strain of magnetostriction materials, low driving magnetic field, good toughness, low cost, the present invention devises a kind of based on FeGa-RFe
2the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, by non-rare earth FeGa base magnetic striction alloying constituent, trace adds the rare earth RFe with large magneto-strain performance
2composition, carries out magnetocrystalline anisotropy compensation to FeGa composition simultaneously, thus obtains the advantage performance New Magnetostrictive Materials such as large magneto-strain, low driving field, strong mechanical performance, low cost.
Two of object of the present invention proposes one to prepare based on FeGa-RFe
2the method of the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design.This multicomponent alloy composition is difficult to obtain monophase materials by the method that common arc melting is mixing, and to obtain monophase materials be the guarantee finally obtaining large magneto-strain performance.The step of method of the present invention is that designing material system-melting ingot-mono-roller system gets rid of band.
One of the present invention is based on FeGa-RFe
2the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, this magnetostriction materials composition is (Fe
100-Xga
x)
y(RFe
2)
z, wherein, X, Y, Z are mole percent level, 10≤X≤40, and Y and Z regulates ratio Y:Z=1 ~ 20 of compensating component in pseudo-binary system, RFe
2for TbFe
2, SmFe
2, DyFe
2, HoFe
2, ErFe
2, TmFe
2in one or several.These magnetostriction materials (Fe
100-Xga
x)
y(RFe
2)
zmagnetostriction coefficient higher than 400ppm, coercive force is generally lower than 20Oe, and magnetocrystalline anisotropy constant is lower than 4 × 10
4j/m
3.
Prepare of the present invention based on FeGa-RFe
2the method of the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, it includes the following step:
Step one: according to target composition is prepared burden;
Described target component is (Fe
100-Xga
x)
y(RFe
2)
z, wherein, X, Y, Z are atom number, 10≤X≤40, and Y and Z regulates ratio Y:Z=1 ~ 20 of compensating component in pseudo-binary system, RFe
2for TbFe
2, SmFe
2, DyFe
2, HoFe
2, ErFe
2, TmFe
2in one or several;
Step 2: with vacuum non-consumable arc-melting furnace smelting nut alloy
Batching step one obtained puts into the stove of vacuum non-consumable arc-melting furnace;
To vacuum non-consumable arc-melting furnace suction to 4.0 × 10
-3~ 5.0 × 10
-3after Pa, after pouring ar purging, then suction to 2.0 × 10
-3~ 3.0 × 10
-3pa; The volume percent purity of argon gas is 99.99%;
Then being filled with argon gas to vacuum tightness is 2Pa ~ 1 × 10
-1pa, melts batching under melting electric current 100A ~ 150A, and smelting time is 3 ~ 5min, melt back 4 ~ 5 times, obtained mother alloy ingot;
Step 3: single roller system gets rid of band
Step 301: mother alloy ingot step 2 melting obtained carries out Linear cut, obtains ingot casting sample;
Step 302: adopt ultrasonic wave to carry out cleaning rear drying treatment on ingot casting sample, obtain clean sample;
Utilize industrial ultrasonic cleaning agent or acetone under the condition of frequency for 30KHz ~ 50KHz, ultrasonic cleaning 5min ~ 10min, be put in after cleaning in baking oven and dry 10min ~ 30min under 80 DEG C ~ 120 DEG C conditions, obtain clean sample;
Step 303: clean sample is placed in the silica tube that vacuum gets rid of band machine, first suction to 4.0 × 10
-3~ 5.0 × 10
-3after Pa, pour ar purging, then suction to 2.0 × 10
-3~ 3.0 × 10
-3pa, being filled with argon gas to vacuum tightness is 2Pa ~ 1 × 10
-1pa, and make the pressure difference of body of heater and gas-holder be 0.04 ~ 0.08MPa; Smelting temperature 1600 ~ 1800 DEG C, under smelting time 5 ~ 30s, after clean sample melts completely, be ejected into the copper roller surface cool of rotation, copper roll surface temperature is 20 ~ 50 DEG C, obtained RFe
2with the magnetostriction crystal strip sample of FeGa compound;
Get rid of in band process, silica tube lower end and copper roller surface are at a distance of 1mm ~ 2mm; Copper roller linear velocity is 10m/s ~ 30m/s, and melt jet pressure is 0.04Mpa ~ 0.08Mpa.
Of the present invention based on FeGa-RFe
2the advantage of the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design is:
1. the present invention is based on FeGa-RFe
2the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, on Composition Design, has considered FeGa alloy and rare earth RFe
2alloy magnetocrystalline anisotropy and magnetostrictive relation, carry out magnetocrystalline anisotropy compensation simultaneously, improve the magnetostriction of magnetostriction materials of the present invention, if magnetostriction coefficient is higher than 400ppm, coercive force is generally lower than 20Oe, and magnetocrystalline anisotropy constant is lower than 4 × 10
4j/m
3.
2. the present invention obtain based on FeGa-RFe
2the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, rare earth is with TbFe
2, SmFe
2, DyFe
2, HoFe
2, ErFe
2, TmFe
2form to carry out Composition Design.
3. get rid of in band preparation method in designing material system-melting ingot-mono-roller system of the present invention, because adopting melt spinning, rate of cooling can reach 10
6k/s, so grain boundaries is not containing rare earth Second Phase Precipitation in sample, be single-phase columanar structure, so Magnetostriction is very high, saturation magnetostriction value can reach 1600ppm.
Accompanying drawing explanation
Fig. 1 is that the present invention adopts embodiment 1 method to obtain (Fe
83ga
17)
16(TbFe
2)
1the Magnetostrictive curve figure of magnetostriction strip.
Fig. 2 is that the present invention adopts embodiment 1 method to obtain (Fe
83ga
17)
16(TbFe
2)
1the XRD figure spectrum of magnetostriction strip.
Fig. 3 is that the present invention adopts embodiment 1 method to obtain (Fe
83ga
17)
16(TbFe
2)
1the stereoscan photograph of magnetostriction strip.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
The present invention is a kind of based on FeGa-RFe
2the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, this magnetostriction materials composition is (Fe
100-Xga
x)
y(RFe
2)
z, wherein, X, Y, Z are mole percent level, 10≤X≤40, and Y and Z regulates ratio Y:Z=1 ~ 20 of compensating component in pseudo-binary system, RFe
2for TbFe
2, SmFe
2, DyFe
2, HoFe
2, ErFe
2, TmFe
2in one or several.(Fe of the present invention
100-Xga
x)
y(RFe
2)
zmagnetostriction materials Composition Design has taken into full account the RFe with having big magnetostriction performance
2with the design philosophy that the magnetocrystalline anisotropy of FeGa alloy compensates, thus reach the object improving Magnetostriction.
Prepare one of the present invention based on FeGa-RFe
2the method of the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, have employed the processing step getting rid of band according to target component designing material system-melting ingot-mono-roller system.
Prepare one of the present invention based on FeGa-RFe
2the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design includes following steps:
Step one: according to target composition is prepared burden;
Described target component is (Fe
100-Xga
x)
y(RFe
2)
z, wherein, X, Y, Z are atom number, 10≤X≤40, and Y and Z regulates ratio Y:Z=1 ~ 20 of compensating component in pseudo-binary system, RFe
2for TbFe
2, SmFe
2, DyFe
2, HoFe
2, ErFe
2, TmFe
2in one or several.
In order to realize compensating the magnetocrystalline anisotropy of FeGa alloy, improve (Fe
100-Xga
x)
y(RFe
2)
zmagnetostriction, interpolation rare earth element in, be carry out Composition Design with the material system of ferrous iron and rare earth element.
Step 2: with vacuum non-consumable arc-melting furnace smelting nut alloy
Batching step one obtained puts into the stove of vacuum non-consumable arc-melting furnace;
To vacuum non-consumable arc-melting furnace suction to 4.0 × 10
-3~ 5.0 × 10
-3after Pa, after pouring ar purging, then suction to 2.0 × 10
-3~ 3.0 × 10
-3pa; The volume percent purity of argon gas is 99.99%;
Then being filled with argon gas to vacuum tightness is 2Pa ~ 1 × 10
-1pa, melts batching under melting electric current 100A ~ 150A, and smelting time is 3 ~ 5min, melt back 4 ~ 5 times, obtained mother alloy ingot;
In the present invention, melting is for 4 ~ 5 times the homogeneity in order to ensure mother alloy composition.
Step 3: single roller system gets rid of band
Step 301: mother alloy ingot step 2 melting obtained carries out Linear cut, obtains ingot casting sample;
Step 302: adopt ultrasonic wave to carry out cleaning rear drying treatment on ingot casting sample, obtain clean sample;
Utilize industrial ultrasonic cleaning agent or acetone under the condition of frequency for 30KHz ~ 50KHz, ultrasonic cleaning 5min ~ 10min, be put in after cleaning in baking oven and dry 10min ~ 30min under 80 DEG C ~ 120 DEG C conditions, obtain clean sample;
Step 303: clean sample is placed in the silica tube that vacuum gets rid of band machine, first suction to 4.0 × 10
-3~ 5.0 × 10
-3after Pa, pour ar purging, then suction to 2.0 × 10
-3~ 3.0 × 10
-3pa, being filled with argon gas to vacuum tightness is 2Pa ~ 1 × 10
-1pa, and make the pressure difference of body of heater and gas-holder be 0.04 ~ 0.08MPa; Smelting temperature 1600 ~ 1800 DEG C, under smelting time 5 ~ 30s, after clean sample melts completely, be ejected into the copper roller surface cool of rotation, copper roll surface temperature is 20 ~ 50 DEG C, obtained RFe
2with the magnetostriction crystal strip sample of FeGa compound;
Get rid of in band process, silica tube lower end and copper roller surface are at a distance of 1mm ~ 2mm; Copper roller linear velocity is 10m/s ~ 30m/s, and melt jet pressure is 0.04Mpa ~ 0.08Mpa.
In the present invention, the volume percent purity of argon gas is 99.99%.
embodiment 1
Target component (the Fe of preparation 10g
83ga
17)
16(TbFe
2)
1magnetostriction alloy, consumption is Fe:7.953g, Ga:2.031g, Tb:0.016g.The mass percent purity of Fe, Ga and Tb is 99.99%.
Smelt with vacuum non-consumable arc-melting furnace, be first evacuated to 4.0 × 10
-3pa, after pouring ar purging, then is evacuated to 2.0 × 10
-3pa, being then filled with argon gas to vacuum tightness is 1 × 10
-1arc melting again after Pa, with 140A electric current, starting material to be fused into after alloy refining 5 minutes, melt back 4 times, obtains (Fe
83ga
17)
16(TbFe
2)
1ingot casting;
By (Fe
83ga
17)
16(TbFe
2)
14 parts that ingot casting Linear cut size is close, and with acetone be that under the condition of 40KHz, ultrasonic cleaning 8min, is put in after cleaning in baking oven and dries 15min under 80 DEG C of conditions, obtain clean (Fe in frequency
83ga
17)
16(TbFe
2)
1sample;
By clean (Fe
83ga
17)
16(TbFe
2)
1sample is placed in the silica tube that vacuum gets rid of band machine, and silica tube lower end and copper roller surface are at a distance of 1mm; Suction to 4.0 × 10
-3after Pa, after pouring ar purging, then suction to 3.0 × 10
-3pa, being filled with argon gas to vacuum tightness is 1 × 10
-1pa, and make the pressure difference of body of heater and gas-holder be 0.07MPa;
Smelting temperature 1600 DEG C, under smelting time 10s, treat (Fe
83ga
17)
16(TbFe
2)
1completely after fusing, being ejected into linear velocity is that the copper roller surface of 20m/s cools, and copper roll surface temperature is 25 DEG C, thus obtained (Fe
83ga
17)
16(TbFe
2)
1magnetostriction crystal strip.Measure through X-ray diffractometer, (Fe
83ga
17)
16(TbFe
2)
1magnetostriction sample is single-phase crystal, as shown in Figure 2.Through (the Fe that scanning electron microscope obtains
83ga
17)
16(TbFe
2)
1magnetostriction alloy sample photo, can find out that from photo crystal grain is along the growth of strip thickness direction, and be column crystal.In embodiment 1, because adopting melt spinning, rate of cooling can reach 10
6k/s, so (Fe
83ga
17)
16(TbFe
2)
1in sample, grain boundaries is not containing rare earth Second Phase Precipitation, and be single-phase columanar structure, so Magnetostriction is very high, saturation magnetostriction value can reach 1900ppm.
Sample is obtained to employing embodiment 1 preparation method and carries out performance test:
(1) crystal anisotropy constant K
1be 4 × 10
4j/m
3.In the present invention, crystal anisotropy constant K
1calculated by test magnetzation curve, account form please refer to " Magnetic Materials of science " the 336th page to the 342nd page.
(2) magnetostriction coefficient λ
sfor 1900ppm, as shown in Figure 1.
(3) coercivity H i is 11Oe.
Pass through crystal anisotropy constant K
1, coercivity H i composition graphs 1, contemplated by the invention FeGa alloy and rare earth RFe
2alloy magnetocrystalline anisotropy and magnetostrictive relation, carried out magnetocrystalline anisotropy compensation simultaneously, improves the magnetostriction of magnetostriction materials of the present invention, as magnetostriction coefficient reaches 4 × 10
4j/m
3, coercivity H i is 11Oe, magnetostriction coefficient λ
sfor 1900ppm.
The vacuum non-consumable arc-melting furnace applied in embodiment 1 is the model that Beijing WuKe opto-electrical Technology Co., Ltd produces is WS-4.Vacuum get rid of band machine be Beijing WuKe opto-electrical Technology Co., Ltd produce model be WK-2.Measure magnetostriction coefficient λ
sfor the magnetostriction measurement system that Beijing WuKe opto-electrical Technology Co., Ltd produces.Measurement coercivity H i is the model that Quantum Design company of the U.S. produces is PPMS-9T.
The processing condition identical with embodiment 1 preparation method are adopted to prepare different target composition.
(A) target component (Fe of 10g is prepared
81ga
19)
6(DyFe
2)
1magnetostriction alloy, consumption is Fe:7.71g, Ga:2.25g, Dy:0.04g.Crystal anisotropy constant K
1be 2.5 × 10
4j/m
3, magnetostriction coefficient λ
sfor 1100ppm, coercivity H i is 10Oe.
(B) target component (Fe of 10g is prepared
85ga
15)
20(HoFe
2)
3magnetostriction alloy, consumption is Fe:8.16g, Ga:1.79g, Ho:0.05g.Crystal anisotropy constant K
1be 3 × 10
4j/m
3, magnetostriction coefficient λ
sfor 1200ppm, coercivity H i is 6Oe.
(C) target component (Fe of 10g is prepared
75ga
25)
7(ErFe
2)
2magnetostriction alloy, consumption is Fe:7.02g, Ga:2.90g, Er:0.08g.Crystal anisotropy constant K
1be 1 × 10
4j/m
3, magnetostriction coefficient λ
sfor 900ppm, coercivity H i is 11Oe.
(D) target component (Fe of 10g is prepared
70ga
30)
10(TmFe
2)
1magnetostriction alloy, consumption is Fe:6.50g, Ga:3.47g, Dy:0.07g.Crystal anisotropy constant K
1be 2.4 × 10
4j/m
3, magnetostriction coefficient λ
sfor 400ppm, coercivity H i is 15Oe.
(E) target component (Fe of 10g is prepared
80ga
20)
4(TbDyFe
4)
1magnetostriction alloy, consumption is Fe:7.54g, Ga:2.32g, Tb:0.07g, Dy:0.07g.Crystal anisotropy constant K
1be 3.9 × 10
4j/m
3, magnetostriction coefficient λ
sfor 1000ppm, coercivity H i is 11Oe.
(F) target component (Fe of 10g is prepared
68ga
32)
12(SmHoFe
4)
1magnetostriction alloy, consumption is Fe:6.28g, Ga:3.67g, Sm:0.025g, Ga:0.025g.Crystal anisotropy constant K
1be 3.5 × 10
4j/m
3, magnetostriction coefficient λ
sfor 430ppm, coercivity H i is 7.5Oe.
(G) target component (Fe of 10g is prepared
86ga
14)
3(TmErFe
4)
2magnetostriction alloy, consumption is Fe:8.05g, Ga:1.59g, Tm:0.18g, Er:0.18g.Crystal anisotropy constant K
1be 1.5 × 10
4j/m
3, magnetostriction coefficient λ
sfor 700ppm, coercivity H i is 7Oe.
(H) target component (Fe of 10g is prepared
65ga
35)
9(TbDyHoFe
6)
2magnetostriction alloy, consumption is Fe:5.92g, Ga:3.90g, Tb:0.06g, Dy:0.06g, Ho:0.06g.Crystal anisotropy constant K
1be 1.3 × 10
4j/m
3, magnetostriction coefficient λ
sfor 460ppm, coercivity H i is 15Oe.
(I) target component (Fe of 10g is prepared
73ga
27)
15(SmErTmFe
6)
4magnetostriction alloy, consumption is Fe:6.74g, Ga:3.05g, Sm:0.065g, Er:0.072g, Tm:0.073g.Crystal anisotropy constant K
1be 4 × 10
4j/m
3, magnetostriction coefficient λ
sfor 1200ppm, coercivity H i is 11Oe.
(J) target component (Fe of 10g is prepared
83ga
17)
4(TbDyHoErFe
4)
1magnetostriction alloy, consumption is Fe:7.767g, Ga:1.963g, Tb:0.066g, Dy:0.067g, Ho:0.068g, Er:0.069g.Crystal anisotropy constant K
1be 1.6 × 10
4j/m
3, magnetostriction coefficient λ
sfor 1700ppm, coercivity H i is 9Oe.
embodiment 2
Target component (the Fe of preparation 10g
83ga
17)
4(DyFe
2)
1magnetostriction alloy, consumption is Fe:7.918g, Ga:2.012g, Dy:0.070g.The mass percent purity of Fe, Ga and Dy is 99.99%.
Smelt with vacuum non-consumable arc-melting furnace, be first evacuated to 4.0 × 10
-3pa, after pouring ar purging, then is evacuated to 2.0 × 10
-3pa, being then filled with argon gas to vacuum tightness is 1 × 10
-1arc melting again after Pa, with 125A electric current, starting material to be fused into after alloy refining 5 minutes, melt back 4 times, obtains (Fe
83ga
17)
4(DyFe
2)
1ingot casting;
By (Fe
83ga
17)
4(DyFe
2)
14 parts that ingot casting Linear cut size is close, and with acetone be that under the condition of 30KHz, ultrasonic cleaning 5min, is put in after cleaning in baking oven and dries 10min under 120 DEG C of conditions, obtain clean (Fe in frequency
83ga
17)
4(DyFe
2)
1sample;
By clean (Fe
83ga
17)
4(DyFe
2)
1sample is placed in the silica tube that vacuum gets rid of band machine, and silica tube lower end and copper roller surface are at a distance of 2mm; Suction to 4.0 × 10
-3after Pa, after pouring ar purging, then suction to 3.0 × 10
-3pa, being filled with argon gas to vacuum tightness is 1 × 10
-1pa, and make the pressure difference of body of heater and gas-holder be 0.08MPa;
Smelting temperature 1600 DEG C, under smelting time 10s, (the Fe treated
83ga
17)
4(DyFe
2)
1after fusing, melt jet cools to the copper roller surface that linear velocity is 25m/s completely, and copper roll surface temperature is 25 DEG C, thus obtained (Fe
83ga
17)
4(DyFe
2)
1magnetostriction crystal strip.
Through (the Fe that the preparation method of embodiment 2 obtains
83ga
17)
4(DyFe
2)
1the performance perameter of magnetostriction crystal strip has:
(1) crystal anisotropy constant K
1be 3.8 × 10
4j/m
3,
(2) magnetostriction coefficient λ
sfor 1200ppm,
(3) coercivity H i is 5Oe.
embodiment 3
Target component (the Fe of preparation 10g
83ga
17)
6(HoFe
2)
1magnetostriction alloy, consumption is Fe:7.934g, Ga:2.021g, Ho:0.045g.The mass percent purity of Fe, Ga and Ho is 99.99%.
Smelt with vacuum non-consumable arc-melting furnace, be first evacuated to 4.0 × 10
-3pa, after pouring ar purging, then is evacuated to 2.0 × 10
-3pa, being then filled with argon gas to vacuum tightness is 1 × 10
-1arc melting again after Pa, with 120A electric current, starting material to be fused into after alloy refining 5 minutes, melt back 4 times, obtains (Fe
83ga
17)
6(HoFe
2)
1ingot casting;
By (Fe
83ga
17)
6(HoFe
2)
14 parts that ingot casting Linear cut size is close, and with acetone be that under the condition of 40KHz, ultrasonic cleaning 8min, is put in after cleaning in baking oven and dries 10min under 100 DEG C of conditions, obtain clean (Fe in frequency
83ga
17)
6(HoFe
2)
1sample;
By clean (Fe
83ga
17)
6(HoFe
2)
1sample is placed in the silica tube that vacuum gets rid of band machine, and silica tube lower end and copper roller surface are at a distance of 1mm; Suction to 4.0 × 10
-3after Pa, after pouring ar purging, then suction to 3.0 × 10
-3pa, being filled with argon gas to vacuum tightness is 1 × 10
-1pa, and make the pressure difference of body of heater and gas-holder be 0.07MPa;
Smelting temperature 1600 DEG C, under smelting time 10s, (the Fe treated
83ga
17)
6(HoFe
2)
1being ejected into linear velocity completely after fusing is that the copper roller surface of 17m/s cools, and copper roll surface temperature is 25 DEG C, obtained (Fe
83ga
17)
6(HoFe
2)
1magnetostriction crystal strip.
Through (the Fe that the preparation method of embodiment 3 obtains
83ga
17)
6(HoFe
2)
1the performance perameter of magnetostriction crystal strip has:
(1) crystal anisotropy constant K
1be 3.5 × 10
4j/m
3,
(2) magnetostriction coefficient λ
sfor 1000ppm,
(3) coercivity H i is 6.5Oe.
embodiment 4
The target component of preparation 10g is (Fe
83ga
17)
5(SmFe
2)
1magnetostriction alloy, consumption is Fe:7.930g, Ga:2.018g, Sm:0.052g.The mass percent purity of Fe, Ga and Sm is 99.99%.
Smelt with vacuum non-consumable arc-melting furnace, be first evacuated to 5.0 × 10
-3pa, after pouring ar purging, then is evacuated to 3.0 × 10
-3pa, being then filled with argon gas to vacuum tightness is 1 × 10
-1arc melting again after Pa, with 135A electric current, starting material to be fused into after alloy refining 5 minutes, melt back 4 times, obtains (Fe
83ga
17)
5(SmFe
2)
1ingot casting;
By (Fe
83ga
17)
5(SmFe
2)
14 parts that ingot casting Linear cut size is close, and with acetone be that under the condition of 40KHz, ultrasonic cleaning 8min, is put in after cleaning in baking oven and dries 15min under 80 DEG C of conditions, obtain clean (Fe in frequency
83ga
17)
5(SmFe
2)
1sample;
By clean (Fe
83ga
17)
5(SmFe
2)
1sample is placed in the silica tube that vacuum gets rid of band machine, and silica tube lower end and copper roller surface are at a distance of 1mm; Suction to 4.0 × 10
-3after Pa, after pouring ar purging, then suction to 3.0 × 10
-3pa, being filled with argon gas to vacuum tightness is 1 × 10
-1pa, and make the pressure difference of body of heater and gas-holder be 0.08MPa;
Smelting temperature 1600 DEG C, under smelting time 10s, treat (Fe
83ga
17)
5(SmFe
2)
1after fusing, melt jet cools to the copper roller surface that linear velocity is 28m/s completely, and copper roll surface temperature is 25 DEG C, obtained (Fe
83ga
17)
5(SmFe
2)
1magnetostriction crystal strip.
Through (the Fe that the preparation method of embodiment 4 obtains
83ga
17)
5(SmFe
2)
1the performance perameter of magnetostriction crystal strip has:
(1) crystal anisotropy constant K
1be 2 × 10
4j/m
3,
(2) magnetostriction coefficient λ
sfor 500ppm,
(3) coercivity H i is 15Oe.
embodiment 5
Target component (the Fe of preparation 10g
83ga
17)
7(ErFe
2)
1magnetostriction alloy, consumption is Fe:7.937g, Ga:2.023g, Er:0.040g.The mass percent purity of Fe, Ga and Er is 99.99%.
Smelt with vacuum non-consumable arc-melting furnace, be first evacuated to 4.5 × 10
-3pa, after pouring ar purging, then is evacuated to 2.5 × 10
-3pa, being then filled with argon gas to vacuum tightness is 1 × 10
-1arc melting again after Pa, with 140A electric current, starting material to be fused into after alloy refining 5 minutes, melt back 4 times, obtains (Fe
83ga
17)
7(ErFe
2)
1ingot casting;
By (Fe
83ga
17)
7(ErFe
2)
14 parts that ingot casting Linear cut size is close, and with acetone be that under the condition of 40KHz, ultrasonic cleaning 8min, is put in after cleaning in baking oven and dries 15min under 80 DEG C of conditions, obtain clean (Fe in frequency
83ga
17)
7(ErFe
2)
1sample;
By clean (Fe
83ga
17)
7(ErFe
2)
1sample is placed in the silica tube that vacuum gets rid of band machine, and silica tube lower end and copper roller surface are at a distance of 1.5mm; Suction to 4.0 × 10
-3after Pa, after pouring ar purging, then suction to 3.0 × 10
-3pa, being filled with argon gas to vacuum tightness is 1 × 10
-1pa, and make the pressure difference of body of heater and gas-holder be 0.04MPa;
Smelting temperature 1800 DEG C, under smelting time 10s, treat (Fe
83ga
17)
7(ErFe
2)
1after fusing, melt jet cools to the copper roller surface that linear velocity is 30m/s completely, and copper roll surface temperature is 25 DEG C, obtained (Fe
83ga
17)
7(ErFe
2)
1magnetostriction crystal strip.
Through (the Fe that the preparation method of embodiment 5 obtains
83ga
17)
7(ErFe
2)
1the performance perameter of magnetostriction crystal strip has:
(1) crystal anisotropy constant K
1be 3 × 10
4j/m
3,
(2) magnetostriction coefficient λ
sfor 400ppm,
(3) coercivity H i is 10Oe.
embodiment 6
Target component (the Fe of preparation 10g
83ga
17)
12(TmFe
2)
1magnetostriction alloy, consumption is Fe:7.948g, Ga:2.029g, Tm:0.023g.The mass percent purity of Fe, Ga and Tm is 99.99%.
Smelt with vacuum non-consumable arc-melting furnace, be first evacuated to 4.0 × 10
-3pa, after pouring ar purging, then is evacuated to 3.0 × 10
-3pa, being then filled with argon gas to vacuum tightness is arc melting again after 2Pa, and with 140A electric current, starting material to be fused into after alloy refining 5 minutes, melt back 4 times, obtains (Fe
83ga
17)
12(TmFe
2)
1ingot casting;
By (Fe
83ga
17)
12(TmFe
2)
14 parts that ingot casting Linear cut size is close, and with acetone be that under the condition of 50kHz, ultrasonic cleaning 5min, is put in after cleaning in baking oven and dries 30min under 80 DEG C of conditions, obtain clean (Fe in frequency
83ga
17)
12(TmFe
2)
1sample;
By clean (Fe
83ga
17)
12(TmFe
2)
1sample is placed in the silica tube that vacuum gets rid of band machine, and silica tube lower end and copper roller surface are at a distance of 1.5mm; Suction to 4.0 × 10
-3after Pa, after pouring ar purging, then suction to 2.0 × 10
-3pa, being filled with argon gas to vacuum tightness is 1 × 10
-1pa, and make the pressure difference of body of heater and gas-holder be 0.05MPa;
Smelting temperature 1750 DEG C, under smelting time 30s, treat (Fe
83ga
17)
12(TmFe
2)
1being ejected into linear velocity completely after fusing is that the copper roller surface of 19m/s cools, and copper roll surface temperature is 25 DEG C, obtained (Fe
83ga
17)
12(TmFe
2)
1magnetostriction crystal strip.
Through (the Fe that the preparation method of embodiment 6 obtains
83ga
17)
12(TmFe
2)
1the performance perameter of magnetostriction crystal strip has:
(1) crystal anisotropy constant K
1be 2 × 10
4j/m
3,
(2) magnetostriction coefficient λ
sfor 450ppm,
(3) coercivity H i is 4Oe.
Claims (7)
1. preparation is a kind of based on FeGa-RFe
2the method of the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, includes the following step:
Step one: according to target composition is prepared burden;
Step 2: with vacuum non-consumable arc-melting furnace smelting nut alloy;
Step 3: single roller system gets rid of band;
It is characterized in that:
Carry out in the step of preparing burden at according to target composition, described target component is (Fe
83ga
17)
4(DyFe
2)
1, (Fe
83ga
17)
6(HoFe
2)
1, (Fe
83ga
17)
16(TbFe
2)
1, (Fe
85ga
15)
20(HoFe
2)
3, (Fe
80ga
20)
4(TbDyFe
4)
1or (Fe
83ga
17)
4(TbDyHoErFe
4)
1;
In step 2, first the batching that step one obtains is put into the stove of vacuum non-consumable arc-melting furnace;
To vacuum non-consumable arc-melting furnace suction to 4.0 × 10
-3~ 5.0 × 10
-3after Pa, after pouring ar purging, then suction to 2.0 × 10
-3~ 3.0 × 10
-3pa; The volume percent purity of argon gas is 99.99%;
Then being filled with argon gas to vacuum tightness is 2Pa ~ 1 × 10
-1pa, melts batching under melting electric current 100A ~ 150A, and smelting time is 3 ~ 5min, melt back 4 ~ 5 times, obtained mother alloy ingot;
Get rid of in band step in single roller system, concrete steps have:
Step 301: mother alloy ingot step 2 melting obtained carries out Linear cut, obtains ingot casting sample;
Step 302: adopt ultrasonic wave to carry out cleaning rear drying treatment on ingot casting sample, obtain clean sample;
Utilize industrial ultrasonic cleaning agent or acetone under the condition of frequency for 30KHz ~ 50KHz, ultrasonic cleaning 5min ~ 10min, be put in after cleaning in baking oven and dry 10min ~ 30min under 80 DEG C ~ 120 DEG C conditions, obtain clean sample;
Step 303: clean sample is placed in the silica tube that vacuum gets rid of band machine, first suction to 4.0 × 10
-3~ 5.0 × 10
-3after Pa, pour ar purging, then suction to 2.0 × 10
- 3~ 3.0 × 10
-3pa, being filled with argon gas to vacuum tightness is 2Pa ~ 1 × 10
-1pa, and make the pressure difference of body of heater and gas-holder be 0.04 ~ 0.08MPa; Smelting temperature 1600 ~ 1800 DEG C, under smelting time 5 ~ 30s, after clean sample melts completely, be ejected into the copper roller surface cool of rotation, copper roll surface temperature is 20 ~ 50 DEG C, obtained RFe
2with the magnetostriction crystal strip sample of FeGa compound;
Get rid of in band process, silica tube lower end and copper roller surface are at a distance of 1mm ~ 2mm; Copper roller linear velocity is 10m/s ~ 30m/s, and melt jet pressure is 0.04Mpa ~ 0.08Mpa.
2. preparation according to claim 1 is based on FeGa-RFe
2the method of the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, is characterized in that:
(the Fe obtained
83ga
17)
4(DyFe
2)
1the magnetostriction coefficient of magnetostriction materials is 1200ppm, and coercive force is 5Oe, crystal anisotropy constant K
1be 3.8 × 10
4j/m
3.
3. preparation according to claim 1 is based on FeGa-RFe
2the method of the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, is characterized in that:
(the Fe obtained
83ga
17)
6(HoFe
2)
1the magnetostriction coefficient of magnetostriction materials is 1000ppm, and coercive force is 6.5Oe, crystal anisotropy constant K
1be 3.5 × 10
4j/m
3.
4. preparation according to claim 1 is based on FeGa-RFe
2the method of the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, is characterized in that:
(the Fe obtained
83ga
17)
16(TbFe
2)
1the magnetostriction coefficient of magnetostriction materials is 1900ppm, and coercive force is 11Oe, crystal anisotropy constant K
1be 4 × 10
4j/m
3.
5. preparation according to claim 1 is based on FeGa-RFe
2the method of the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, is characterized in that: obtained (Fe
85ga
15)
20(HoFe
2)
3the magnetostriction coefficient of magnetostriction materials is 1200ppm, and coercive force is 6Oe, crystal anisotropy constant K
1be 3 × 10
4j/m
3.
6. preparation according to claim 1 is based on FeGa-RFe
2the method of the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, is characterized in that: obtained (Fe
80ga
20)
4(TbDyFe
4)
1the magnetostriction coefficient of magnetostriction materials is 1000ppm, and coercive force is 11Oe, crystal anisotropy constant K
1be 3.9 × 10
4j/m
3.
7. preparation according to claim 1 is based on FeGa-RFe
2the method of the New Magnetostrictive Material of magnetocrystalline anisotropy compensation principle design, is characterized in that: obtained (Fe
83ga
17)
4(TbDyHoErFe
4)
1the magnetostriction coefficient of magnetostriction materials is 1700ppm, and coercive force is 9Oe, crystal anisotropy constant K
1be 1.6 × 10
4j/m
3.
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| CN104946979B (en) * | 2015-07-10 | 2017-04-26 | 北京航空航天大学 | Giant magnetostriction material doped with trace non-solid-solution large atoms to cause distortion enhancement and preparation method |
| CN106480505A (en) * | 2016-10-19 | 2017-03-08 | 西华大学 | Novel polycrystalline magnetostrictive material based on morphotropic phase boundary and preparation method |
| CN108531873A (en) * | 2017-03-03 | 2018-09-14 | 南京理工大学 | One kind is in SrTiO3High quality Fe is prepared on substrate81Ga19The method of film |
| JP6399502B1 (en) * | 2018-03-26 | 2018-10-03 | パナソニックＩｐマネジメント株式会社 | Magnetostrictive material and magnetostrictive device using the same |
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| JP2003286550A (en) * | 2002-03-27 | 2003-10-10 | Yasubumi Furuya | SUPER-MAGNECTOSTRICTION MATERIAL FOR FeGa ALLOY |
| CN1649183A (en) * | 2005-03-14 | 2005-08-03 | 北京航空航天大学 | Fe-Ga magnetiostriction material of low field large magnetostrain and its preparing method |
| CN103320682A (en) * | 2013-02-28 | 2013-09-25 | 瑞科稀土冶金及功能材料国家工程研究中心有限公司 | High-performance quick-quenching Fe-Ga based magnetostriction thin strip material and preparation technology thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003286550A (en) * | 2002-03-27 | 2003-10-10 | Yasubumi Furuya | SUPER-MAGNECTOSTRICTION MATERIAL FOR FeGa ALLOY |
| CN1649183A (en) * | 2005-03-14 | 2005-08-03 | 北京航空航天大学 | Fe-Ga magnetiostriction material of low field large magnetostrain and its preparing method |
| CN103320682A (en) * | 2013-02-28 | 2013-09-25 | 瑞科稀土冶金及功能材料国家工程研究中心有限公司 | High-performance quick-quenching Fe-Ga based magnetostriction thin strip material and preparation technology thereof |
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Inventor after: Liu Jinghua Inventor after: Jiang Chengbao Inventor after: Wu Wei Inventor after: Zhang Tianli Inventor after: Wang Jingmin Inventor after: Xu Huibin Inventor before: Jiang Chengbao Inventor before: Wu Wei Inventor before: Zhang Tianli Inventor before: Liu Jinghua Inventor before: Wang Jingmin |
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