CN106847453A - A kind of SmCo4B base permanent magnetism strips and preparation method thereof - Google Patents

A kind of SmCo4B base permanent magnetism strips and preparation method thereof Download PDF

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CN106847453A
CN106847453A CN201710189336.0A CN201710189336A CN106847453A CN 106847453 A CN106847453 A CN 106847453A CN 201710189336 A CN201710189336 A CN 201710189336A CN 106847453 A CN106847453 A CN 106847453A
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smco
pure
permanent magnetism
raw material
composition formula
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CN106847453B (en
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孙继兵
池祥
步绍静
殷福星
崔春翔
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Hebei University of Technology
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered

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  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
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  • Hard Magnetic Materials (AREA)

Abstract

A kind of SmCo of the present invention4B base permanent magnetism strips and preparation method thereof, are related to the magnet of the hard magnetic material with III a races element containing rare earth metal and magnetic transition metal, the SmCo4The element composition formula of B base permanent magnetism strips is SmCoxCuyFezB, is prepared, thus obtained SmCo using melt spun rapid solidification4The thickness of the B base permanent magnetism strips strips is 39 μm~62 μm, its HCJ is 38.7kOe~54.1kOe at room temperature, remanent magnetism is 23.1emu/g~28.1emu/g, saturation magnetization is 24.1emu/g~32.6emu/g, overcomes prior art and adds the SmCo obtained by Sm Co B systems alloy simultaneously in Fe and Cu elements4Hard Magnetic phase high is not formed in B base permanent magnetism strips, strip magnetic property still needs the defect of further raising.

Description

A kind of SmCo4B base permanent magnetism strips and preparation method thereof
Technical field
Technical scheme is related to the hard magnetic material with III a races element containing rare earth metal and magnetic transition metal Magnet, specifically a kind of SmCo4B base permanent magnetism strips and preparation method thereof.
Background technology
Rare earth permanent-magnetic material is using certain with transiting group metal elements such as the rare earth elements such as Pr, Nd, Sm and Fe, Co, Ni The permanent-magnet material that is formed of preparation technology, it has a wide range of applications in fields such as machinery, electronics and aviations.Rare earth element SO coupling effect is strong, and anisotropy field is high, can provide larger magnetic moment, and Curie temperature is higher.Current rare earth is forever Magnetic material has developed SmCo5Based alloy, Sm2Co17Based alloy and Nd-Fe-B alloy three generations's permanent magnets, wherein Nd-Fe-B systems Row permanent magnet has maximum magnetic energy product, and Sm-Co series then possesses bigger advantage under the high temperature conditions.Sm-Co systems alloy In, SmCo5Based alloy has magnetic energy product higher, highest coercivity, anisotropy field higher and excellent temperature stabilization Property, therefore SmCo5Based alloy first generation permanent magnet is still extensively studied and develops at present.
Oesterreicher H et al. (Oesterreicher H, Spada F, Abache C.Anisotropic and high magnetization rare earth transition metal compounds containing metalloids[J].Materials research bulletin,1984,19(8):1069-1076.) research discovery, will be few Amount B atoms dissolve in SmCo5In can form SmCo4B phases, it has CeCo4Type B hexagonal structure, space group is P6/mmm.Therefore, SmCo4B phases are practically due to SmCo5Some of phase Co atoms are replaced and formed by B atoms.Research show (Jiang X, Balamurugan B,Shield J E.Effect of Fe content on structural and magnetic properties of SmCo4-xFexB alloys[J].Journal of Alloys and Compounds,2014,617: 479-484.), SmCo4B phases possess bigger hard magnetic property, and its anisotropy field can reach 120T in 4.2K, and SmCo5 It is only 71T under similarity condition, in 300K, SmCo4The coercivity of B phases can reach 44kOe.
SmCo is replaced with Fe4In B SmCo can be obtained after part Co atoms4-xFexB phases, but Fe is in SmCo4-xFexIn B There is the limitation of solid solubility, work as x<Single-phase Sm (Co, Fe) can be formed when 14B, but can then be formed during x >=1, in alloy Sm (Co, Fe)4B and Sm2(Co,Fe)17ByStructure (Jiang X, Devaraj A, the Balamurugan B, et of two-phase coexistent al.Microstructure of multistage annealed nanocrystalline SmCo2Fe2B alloy with enhanced magnetic properties[J].Journal of Applied Physics,2014,115(6): 063902.).Jiang X et al. (Jiang X, Balamurugan B, Shield J E.Effect of Fe content on structural and magnetic properties of SmCo4-xFexB alloys[J].Journal of Alloys and Compounds,2014,617:479-484.) by studying SmCo4-xFexB fast quenching thin straps find that strip is by 800 DEG C After annealing 30min, with the increase of x, SmCo4-xFexThe coercivity and the intensity of magnetization of B all increase therewith, as x=1, coercive Power reaches maximum, about 44kOe, and when x continues to increase, coercivity can reduce therewith, and as x=2, intensity of magnetization maximum can increase About 24%.
T é llez-Blanco et al. (J.C.T é llez-Blanco, R.R.Sato Turtell i.Structure and magnetic properties of SmCo5-xCux alloys[J].Journal of Alloys and Compounds,1998,281:1-5.) by studying annealed state SmCo5-xCux(x=1,1.5,2,2.5,3,4) alloy hair Existing, as x increases, there is the trend of first increases and then decreases in alloy coercivity, and in x=2.5, coercivity reaches maximum 26kOe.Zhang J et al. (Zhang J, Takahashi Y K, Gopalan R, et al.Microstructures and coercivities of SmCox and Sm(Co,Cu)5films prepared by magnetron sputtering[J] .Journal of magnetism and magnetic materials,2007,310(1):1-7.) by studying SmCo4.5/ Cu plural layers find that appropriate Cu additions can change the micro-structural of annealing thin film and improve its coercivity.Because Cu can To enter SmCo5Lattice, forms Sm (Co, Cu)5Phase, it has magnetic anisotropy field higher.
Gopalan R et al. (Gopalan R, Ping D H, Hono K.Microstructural evolution and the magnetic properties of melt-spun Sm-Co-Cu-B and Sm-Co-Fe-Cu-B ribbons[J] .Journal of magnetism and magnetic materials,2004,284:321-329.) by research Sm12Co60Cu26B2And Sm16.7Co48.3Fe25Cu8.3B1.7Fast quenching thin strap discovery, Sm12Co60Cu26B2Fast quenching thin strap is moved back by 600 DEG C After fiery 10min, the principal phase of strip is by 1:7H types, i.e. TbCu7Structure, is transformed into 2:17H types, i.e. Th2Ni17Structure, coercivity reaches To about 8.0kOe.Sm16.7Co48.3Fe25Cu8.3B1.7Fast quenching thin strap is by 1:5H types principal phase is constituted, when FFR'S fuel assembly is 30m/s, Strip has maximum coercivity 5kOe.
In sum, prior art improves SmCo4The method of B base permanent magnetism strip hard magnetic properties is mainly by adding Fe units Element replaces part Co and obtains, and is used to improve its coercitive method then mainly in SmCo5Cu elements are added in based alloy.Mesh Before, although prior art has had Fe and Cu elements to add Sm-Co-B system's alloys simultaneously so as to improve SmCo4B base permanent magnetism strips The method of performance, but due to not forming Hard Magnetic phase high, strip magnetic property still needs further raising.
The content of the invention
The technical problems to be solved by the invention are：A kind of SmCo is provided4B base permanent magnetism strips and preparation method thereof, should SmCo4The element composition formula of B base permanent magnetism strips is SmCoxCuyFezB, is prepared using melt spun rapid solidification, thus obtained SmCo4B base permanent magnetism strips overcome prior art and add the SmCo obtained by Sm-Co-B systems alloy simultaneously in Fe and Cu elements4B Hard Magnetic phase high is not formed in base permanent magnetism strip, strip magnetic property still needs the defect of further raising.
The present invention solves the technical scheme that is used of the technical problem：A kind of SmCo4B base permanent magnetism strips, its element group An accepted way of doing sth is SmCoxFeyCuzB, symbol x, y and z represent the atomic percentage for limiting element compositing range in the formula, limit element group Symbol into scope is met with atomic percentage：X+y+z=4, x=2.64~3.24, y=0.7~1.3, z=0.02~ 0.1, the thickness of the strip is 39 μm~62 μm, and its HCJ is 38.7kOe~54.1kOe at room temperature, and remanent magnetism is 23.1emu/g~28.1emu/g, saturation magnetization is 24.1emu/g~32.6emu/g.
A kind of above-mentioned SmCo4The preparation method of B base permanent magnetism strips, using melt spun rapid solidification, comprises the following steps that：
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage concxFeyCuzThe quality percentage of the component in B Than weighing the desired amount of component raw material by the mass percent：Pure Sm, pure Co, pure Fe, pure Cu and pure B, thus complete raw material and match somebody with somebody System, in above-mentioned composition formula, is limited the symbol of element compositing range and is met with atomic percentage：X+y+z=4, x=2.64 ~3.24, y=0.7~1.3, z=0.02~0.1；
Second step, melt raw material prepares mother alloy ingot：
The raw material that the first step is prepared is while be put into vacuum arc melting furnace or vacuum induction melting furnace crucible, melting When first to body of heater suction to 10-2Pa~10-3Pa, furnace temperature is elevated above the fusing point of pure Co, until whole raw material meltings are equal It is even, SmCo is obtainedxFeyCuzB mother alloy ingots；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second stepxFeyCuzB mother alloy ingots are fitted into fast melt-quenching stove, in 10m/s after re-melting Fast melt-quenching is carried out on the cooling copper disk roller or molybdenum disk roller of the rotation of~50m/s linear velocities, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
SmCo prepared by the 3rd step4B base fast quenching thin straps are fitted into vacuum annealing furnace, and vacuum is 10-2Pa~10-3Pa, Made annealing treatment at 750 DEG C~850 DEG C, soaking time is 20min~40min, and SmCo is thus obtained4B base permanent magnetism strip is produced Product, its element composition formula is SmCoxFeyCuzB, strip thickness is 39 μm~62 μm, and its HCJ is at room temperature 38.7kOe~54.1kOe, remanent magnetism is 23.1emu/g~28.1emu/g, and saturation magnetization is 24.1emu/g~32.6emu/ g。
A kind of above-mentioned SmCo4The preparation method of B base permanent magnetism strips, during the first step raw material is prepared, according to atomic percent Content meter calculates element composition formula SmCoxFeyCuzThe mass percent of the component in B, claims by the mass percent Take on the basis of the pure Sm of required content of starting materials, thus the pure Sm of 5%~10% (mass percent) of outer addition completes raw material and prepare.
A kind of above-mentioned SmCo4The preparation method of B base permanent magnetism strips, used raw material is all by commercially available, institute The equipment used is known chemical industry equipment, and it is ripe that used process operation is those skilled in the art institute The method known.
The beneficial effects of the invention are as follows：Compared with prior art, the substantive distinguishing features of protrusion of the invention are as follows：
(1) the element composition formula of present invention design is SmCoxFeyCuzA kind of SmCo of B4The innovation machine of B base permanent magnetism strips Reason is as follows：
1) B atoms replace SmCo5In part Co atoms after can form R1+nCo5+3nB2nType Sm-Co-B ternary alloy three-partalloys, its Structure is believed that by 1 layer of SmCo5With n-layer RCo3B2(Kuz'ma Y B, Bilonizhko N S.New are formed along c-axis stacking structural types of homologous series borides based on CaCu5and CeCo3B2types [J].Kristallografiya,1973,18(4):710-714.).Ido H et al. (Ido H, Sugiyama K, Hachino H,et al.Magnetic study of Smn+1Co3n+5B2n(n=0,1,2,3) in a pulsed high field [J] .Physica B:Condensed Matter,1992,177(1):265-269.) research discovery, R1+nCo5+3nB2nType Sm-Co-B Ternary alloy three-partalloy has anisotropy field very high, wherein SmCo4The anisotropy field of B can reach 120T in 4.2K, and SmCo5There was only 71T under the same terms, but its Curie temperature and the intensity of magnetization are relatively low.
2) in Sm-Co-B ternary systems, each diversity constant K of alloy1The main sublattice by Sm is provided, by Fe Doping can improve the anisotropy of Sm sublattices.
3) because Fe elements are magnetic element, appropriate doping can increase the overall intensity of magnetization of alloy.Ido H et al. (Ido H,Nashima O,Takahashi T,et al.New magnetic material based on SmCo4B[J] .Journal of Applied Physics,1994,76(10):6165-6167) research finds that appropriate Fe elements are added SmCo4Co atoms in part therein can be replaced in B, Sm (Co, Fe) is formed4B alloys, it has than SmCo4B alloys are higher The intensity of magnetization.
4)SmFe5It is a kind of metastable structure (Miyazaki T, Takahashi M, Yang X, et al.Formation of metastable compounds and magnetic properties in rapidly quenched(Fe1-xCox)5Sm and(Fe1-xCox)7Sm2alloy systems[J].Journal of applied physics,1988,64(10): 5974-5976.), so Fe is in SmCo4Ad infinitum can not be melted admittedly in B.
5) Fe is in SmCo4There is solid solubility limitation in B, for SmCo4-xFexFor B, work as x<Single-phase Sm can be formed when 1 (Co,Fe)4When B, x >=1, Sm (Co, Fe) can be formed in alloy4B and Sm2(Co,Fe)17ByTwo-phase coexistent structure (Jiang X, Devaraj A,Balamurugan B,et al.Microstructure of multistage annealed nanocrystalline SmCo2Fe2B alloy with enhanced magnetic properties[J].Journal of Applied Physics,2014,115(6):, therefore the excessive addition of Fe contents can reduce Sm (Co on the contrary 063902.)1- xFex)4The hard magnetic property of B.
6) Jiang X et al. (Jiang X, Balamurugan B, Shield J E.Effect of Fe content on structural and magnetic properties of SmCo4-xFexB alloys[J].Journal of Alloys and Compounds,2014,617:479-484.) by SmCo4-xFexB fast quenching thin straps carry out 800 DEG C of annealing 30min Found after treatment, with the increase of x, anneal SmCo4-xFexThe Overall magnetization intensity increase of B strips, during x=2, increase reaches 24%.With the increase of x, anneal SmCo4-xFexThere is the trend of first increases and then decreases in the coercivity of B strips, thin as x=1 The coercivity of band reaches maximum, about 44kOe.Illustrate that addition Fe elements can increase SmCo in appropriate amount4-xFexB phases it is each to different Property.
7) as the continuation of Fe contents increases, anneal SmCo4-xFexThe coercivity of B strips begins to decline, because in strip Occur in that Sm2(Co,Fe)17ByPhase, its hard magnetic is less than Sm (Co1-xFex)4B phases, in the case where opposing magnetic field acts on, magnetic domain can be first Reversion.
8) Cu has face-centred cubic structure, its (111) crystal face and six side SmCo5(0001) face can preferably agree with, Mismatch ratio very little.
9) Cu is easy to occupy SmCo52c crystalline substance position Co atoms, form Sm (Co, Cu)5Structure.The addition of Cu can cause magnetic Hardening, improves magnetized orientation, is conducive to keeping coercivity (Zhao Sihai .Sm (Co, M) higher5Electronic structures and magnetism First principle research [D] the Central China University of Science and Technology, 2012.).But the doping of Cu can make to be caused by 3d-5d couplings originally The strong correlations of Sm-Co become the effect of Sm-Cu weak rigidities, cause overall magnetic moment to decline (Sakuma A.First principles study on the electronic structure and effective exchange interaction of Y(Co1-xCux)5[J].Journal of applied physics,2006,99(8).)。
10) Zhang Y et al. (Zhang Y, Gabay A, Wang Y, et al.Microstructure, microchemistry,and coercivity in Sm-Co-Cu and Pr-Co-Cu 1:5alloys[J].Journal of Magnetism and Magnetic Materials,2004,272:E1899-E1900.)SmCo5-xCuxAlloy discovery, As x increases, the coercivity increase of alloy reaches maximum, about 7kOe during x=2.5.
11) doping of Cu can cause SmCo5-xCuxSaturation magnetization and magnetocrystalline anisotropy constant decline, therefore Cu Doping can not be too big.
12) there is presently no Cu doping SmCo4The report of B alloys, therefore for adding the SmCo of Cu4-xCuxThe magnetic of B alloys The characteristics of performance, is also without more visible understanding.But SmCo4B alloys can be regarded as by SmCo5Alloy changes, according to right SmCo5-xCuxThe research of alloy is it is envisioned that the SmCo of Cu element dopings4-xCuxB alloys can possess preferable hard magnetic property, but Cu elements are nonmagnetic elements, may seriously reduce SmCo4The intensity of magnetization of B.Therefore, the present invention passes through Fe, Cu element pair SmCo4B alloys are adulterated simultaneously, the coercivity of alloy is further increased, and the intensity of magnetization is improved, and obtaining comprehensive magnetic can be preferably SmCo4-x-yFexCuyB alloys, i.e., element composition formula of the invention is SmCoxFeyCuzB alloys.
(2) present invention passes through Fe, Cu element to SmCo4B alloys are doped, and form SmCo4-x-yFexCuyB phases.Due to Fe Element is magnetic element, and displacements of the Fe to Co atoms can improve SmCo4The intensity of magnetization and coercivity of B phases.Meanwhile, Cu's is micro- Amount doping can further improve SmCo4-xFexThe coercivity of B phases, because the doping of Cu is little, will not too much reduce magnetic Change intensity, so as to form Hard Magnetic phase high, obtaining comprehensive magnetic can more preferable permanent-magnet alloy.
Compared with prior art, marked improvement of the invention is：The magnetic of magnet is measured using PPMS Can show, with SmCo obtained in the inventive method4B base permanent magnetism strips, at room temperature its HCJ be 38.7~ 54.1kOe, remanent magnetism is 23.1~28.1emu/g, and saturation magnetization is 24.1~32.6emu/g, considerably more than existing SmCo obtained by technology4The agnetic property at room temperature m of B base permanent magnetism strips, overcomes prior art and is added simultaneously in Fe and Cu elements SmCo obtained by Sm-Co-B systems alloy4Hard Magnetic phase high is not formed in B base permanent magnetism strips, strip magnetic property still needs into one Walk the defect for improving.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is that element composition formula obtained in embodiment 1 is SmCo3.08Fe0.9Cu0.02The SmCo of B4B base permanent magnetism strip products XRD spectrum.
Fig. 2 is that element composition formula obtained in embodiment 1 is SmCo3.08Fe0.9Cu0.02The SmCo of B4B base permanent magnetism strip products Hysteresis curve.
Fig. 3 is that element composition formula obtained in embodiment 2 is SmCo3.04Fe0.9Cu0.06The SmCo of B4B base permanent magnetism strip products XRD spectrum.
Fig. 4 is that element composition formula obtained in embodiment 2 is SmCo3.04Fe0.9Cu0.06The SmCo of B4B base permanent magnetism strip products Hysteresis curve.
Fig. 5 is that element composition formula obtained in embodiment 3 is SmCo3.0Fe0.9Cu0.1The SmCo of B4B base permanent magnetism strip products XRD spectrum.
Fig. 6 is that element composition formula obtained in embodiment 3 is SmCo3.0Fe0.9Cu0.1The SmCo of B4B base permanent magnetism strip products Hysteresis curve.
Fig. 7 is that element composition formula obtained in embodiment 4 is SmCo3.24Fe0.7Cu0.06The SmCo of B4B base permanent magnetism strip products XRD spectrum.
Fig. 8 is that element composition formula obtained in embodiment 4 is SmCo3.24Fe0.7Cu0.06The SmCo of B4B base permanent magnetism strip products Hysteresis curve.
Fig. 9 is that element composition formula obtained in embodiment 5 is SmCo2.84Fe1.1Cu0.06The SmCo of B4B base permanent magnetism strip products XRD spectrum.
Figure 10 is that element composition formula obtained in embodiment 5 is SmCo2.84Fe1.1Cu0.06The SmCo of B4B base permanent magnetism strip products Hysteresis curve.
Figure 11 is that element composition formula obtained in embodiment 6 is SmCo2.64Fe1.3Cu0.06The SmCo of B4B base permanent magnetism strip products XRD spectrum.
Figure 12 is that element composition formula obtained in embodiment 6 is SmCo2.64Fe1.3Cu0.06The SmCo of B4B base permanent magnetism strip products Hysteresis curve.
Figure 13 is that element composition formula obtained in embodiment 7 is SmCo2.82Fe1.1Cu0.08The SmCo of B4B base permanent magnetism strip products XRD spectrum.
Figure 14 is that element composition formula obtained in embodiment 7 is SmCo2.82Fe1.1Cu0.08The SmCo of B4B base permanent magnetism strip products Hysteresis curve.
Specific embodiment
Embodiment 1
Element composition formula is prepared for SmCo3.08Fe0.9Cu0.02The SmCo of B4B base permanent magnetism strips, the thickness of the strip is 49 μ M, its HCJ is 42.5kOe at room temperature, and remanent magnetism is 27.5emu/g, the maximal magnetization intensity M under 90kOe magnetic fields9T It is 32.6emu/g.
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage conc3.08Fe0.9Cu0.02The quality hundred of the component in B Divide ratio, the desired amount of component raw material is weighed by the mass percent：Pure Sm, pure Co, pure Fe, pure Cu and pure B, it is extra in dispensing The pure Sm of the mass percent 6% that pure Sm is weighed by above-mentioned raw materials proportioning is added, raw material is thus completed and is prepared；
Second step, melt raw material prepares mother alloy ingot：
Raw material that the first step is prepared first is vacuumized to body of heater during melting while be put into vacuum arc melting furnace crucible Spend to 5 × 10-3Pa, furnace temperature is elevated above the fusing point of pure Co, until the melting of whole raw materials is uniform, is obtained SmCo3.08Fe0.9Cu0.02B mother alloy ingots；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second step3.08Fe0.9Cu0.02B foundry alloys are fitted into fast melt-quenching stove, after re-melting with Fast melt-quenching is carried out on the cooling molybdenum disk roller of the peripheral speed rotation of 40m/s, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
The strip that 3rd step fast melt-quenching is prepared is fitted into vacuum annealing furnace, vacuum is 5 × 10-3Pa, at 800 DEG C Made annealing treatment, soaking time is 30min, SmCo is thus obtained4B base permanent magnetism strip products, its element composition formula is SmCo3.08Fe0.9Cu0.02B, the thickness of the strip is 49 μm, and its HCJ is 42.5kOe at room temperature, and remanent magnetism is 27.5emu/g, the maximal magnetization intensity M under 90kOe magnetic fields9TIt is 32.6emu/g.
Fig. 1 is that element composition formula obtained in the present embodiment is SmCo3.08Fe0.9Cu0.02The SmCo of B4B base permanent magnetism strip products XRD spectrum.It can be seen that its phase composition is main by SmCo3.08Fe0.9Cu0.02B phase compositions.
Fig. 2 is that element composition formula obtained in the present embodiment is SmCo3.08Fe0.9Cu0.02The SmCo of B4B base permanent magnetism strip products Hysteresis curve, it can be seen that external magnetic field for 90kOe comprehensive physical property measuring system on measure magnetic property, its it is intrinsic rectify Stupid power is 42.5kOe, and remanent magnetism is 27.5emu/g, the maximal magnetization intensity M under 90kOe magnetic fields9TIt is 32.6emu/g.Using spiral shell The thickness that rotation mircrometer gauge measures the strip is 49 μm.
Embodiment 2
Element composition formula is prepared for SmCo3.04Fe0.9Cu0.06The SmCo of B4B base permanent magnetism strips, the thickness of the strip is 53 μ M, HCJ is 44.4kOe at room temperature, and remanent magnetism is 27.2emu/g, the maximal magnetization intensity M under 90kOe magnetic fields9TFor 31.3emu/g。
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage conc3.04Fe0.9Cu0.06The quality hundred of the component in B Divide ratio, the desired amount of component raw material is weighed by the mass percent：Pure Sm, pure Co, pure Fe, pure Cu and pure B, it is extra in dispensing The pure Sm of the mass percent 6% that pure Sm is weighed by above-mentioned raw materials proportioning is added, raw material is thus completed and is prepared；
Second step, melt raw material prepares mother alloy ingot：
Raw material that the first step is prepared first is vacuumized to body of heater during melting while be put into vacuum arc melting furnace crucible Spend to 5 × 10-3Pa, furnace temperature is elevated above the fusing point of pure Co, until the melting of whole raw materials is uniform, is obtained SmCo3.04Fe0.9Cu0.06B mother alloy ingots；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second step3.04Fe0.9Cu0.06B foundry alloys are fitted into fast melt-quenching stove, in 40m/ after re-melting Fast melt-quenching is carried out on the cooling molybdenum disk roller of the peripheral speed rotation of s, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
The strip that 3rd step fast melt-quenching is prepared is fitted into vacuum annealing furnace, vacuum is 5 × 10-3Pa, at 800 DEG C Made annealing treatment, soaking time is 30min, SmCo is thus obtained4B base permanent magnetism strip products, its element composition formula is SmCo3.04Fe0.9Cu0.06B, the thickness of the strip is 53 μm, and HCJ is 44.4kOe at room temperature, and remanent magnetism is 27.2emu/g, the maximal magnetization intensity M under 90kOe magnetic fields9TIt is 31.3emu/g.
Fig. 3 is that element composition formula obtained in the present embodiment is SmCo3.04Fe0.9Cu0.06The SmCo of B4B base permanent magnetism strip products XRD spectrum.It can be seen that its phase composition is main by SmCo3.04Fe0.9Cu0.06B phase compositions.
Fig. 4 is that element composition formula obtained in the present embodiment is SmCo3.04Fe0.9Cu0.06The SmCo of B4B base permanent magnetism strip products Hysteresis curve, it can be seen that external magnetic field for 90kOe comprehensive physical property measuring system on measure magnetic property, its it is intrinsic rectify Stupid power is 44.4kOe, and remanent magnetism is 27.2emu/g, the maximal magnetization intensity M under 90kOe magnetic fields9TIt is 31.3emu/g.Using spiral shell The thickness that rotation mircrometer gauge measures the strip is 53 μm.
Embodiment 3
Element composition formula is prepared for SmCo3.0Fe0.9Cu0.1The SmCo of B4B base permanent magnetism strips, the thickness of the strip is 45 μm, HCJ is 38.7kOe at room temperature, and remanent magnetism is 24.1emu/g, the maximal magnetization intensity M under 90kOe magnetic fields9TFor 25.0emu/g。
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage conc3.0Fe0.9Cu0.1The quality percentage of the component in B Than weighing the desired amount of component raw material by the mass percent：Pure Sm, pure Co, pure Fe, pure Cu and pure B, additionally add in dispensing Plus by above-mentioned raw materials proportioning weigh pure Sm mass percent 6% pure Sm, thus complete raw material preparation；
Second step, melt raw material prepares mother alloy ingot：
Raw material that the first step is prepared first is vacuumized to body of heater during melting while be put into vacuum arc melting furnace crucible Spend to 5 × 10-3Pa, furnace temperature is elevated above the fusing point of pure Co, until the melting of whole raw materials is uniform, SmCo is obtained3.0Fe0.9Cu0.1B Mother alloy ingot；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second step3.0Fe0.9Cu0.1B foundry alloys are fitted into fast melt-quenching stove, after re-melting with Fast melt-quenching is carried out on the cooling molybdenum disk roller of the peripheral speed rotation of 40m/s, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
The strip that 3rd step fast melt-quenching is prepared is fitted into vacuum annealing furnace, vacuum is 5 × 10-3Pa, at 800 DEG C Made annealing treatment, soaking time is 30min, SmCo is thus obtained4B base permanent magnetism strip products, its element composition formula is SmCo3.0Fe0.9Cu0.1B, the thickness of the strip is 45 μm, and HCJ is 38.7kOe at room temperature, and remanent magnetism is 24.1emu/ G, the maximal magnetization intensity M under 90kOe magnetic fields9TIt is 25.0emu/g.
Fig. 5 is that element composition formula obtained in the present embodiment is SmCo3.0Fe0.9Cu0.1The SmCo of B4B base permanent magnetism strip products XRD spectrum.It can be seen that its phase composition is main by SmCo3.0Fe0.9Cu0.1B phase compositions.
Fig. 6 is that element composition formula obtained in the present embodiment is SmCo3.0Fe0.9Cu0.1The SmCo of B4B base permanent magnetism strip products Hysteresis curve, it can be seen that external magnetic field for 90kOe comprehensive physical property measuring system on measure magnetic property, its it is intrinsic rectify Stupid power is 38.7kOe, and remanent magnetism is 24.1emu/g, the maximal magnetization intensity M under 90kOe magnetic fields9TIt is 25.emu/g.Using spiral shell The thickness that rotation mircrometer gauge measures the strip is 45 μm.
Embodiment 4
Element composition formula is prepared for SmCo3.24Fe0.7Cu0.06The SmCo of B4B base permanent magnetism strips, the thickness of the strip is 42 μ M, HCJ is 43.0kOe at room temperature, and remanent magnetism is 28.1emu/g, the magnetization M under 90kOe magnetic fields9TFor 24.1emu/g。
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage conc3.24Fe0.7Cu0.06The quality hundred of the component in B Divide ratio, the desired amount of component raw material is weighed by the mass percent：Pure Sm, pure Co, pure Fe, pure Cu and pure B, it is extra in dispensing The pure Sm of the mass percent 6% that pure Sm is weighed by above-mentioned raw materials proportioning is added, raw material is thus completed and is prepared；
Second step, melt raw material prepares mother alloy ingot：
Raw material that the first step is prepared first is vacuumized to body of heater during melting while be put into vacuum arc melting furnace crucible Spend to 5 × 10-3Pa, furnace temperature is elevated above the fusing point of pure Co, until the melting of whole raw materials is uniform, is obtained SmCo3.24Fe0.7Cu0.06B mother alloy ingots；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second step3.24Fe0.7Cu0.06B foundry alloys are fitted into fast melt-quenching stove, after re-melting with Fast melt-quenching is carried out on the cooling molybdenum disk roller of the peripheral speed rotation of 40m/s, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
The strip that 3rd step fast melt-quenching is prepared is fitted into vacuum annealing furnace, vacuum is 5 × 10-3Pa, at 800 DEG C Made annealing treatment, soaking time is 30min, SmCo is thus obtained4B base permanent magnetism strip products, its element composition formula is SmCo3.24Fe0.7Cu0.06B, the thickness of the strip is 42 μm, and HCJ is 43.0kOe at room temperature, and remanent magnetism is 28.1emu/g, the magnetization M under 90kOe magnetic fields9TIt is 24.1emu/g.
Fig. 7 is that element composition formula obtained in the present embodiment is SmCo3.24Fe0.7Cu0.06The SmCo of B4B base permanent magnetism strip products XRD spectrum.It can be seen that its phase composition is main by SmCo3.24Fe0.7Cu0.06B phase compositions.
Fig. 8 is that element composition formula obtained in the present embodiment is SmCo3.24Fe0.7Cu0.06The SmCo of B4B base permanent magnetism strip products Hysteresis curve, it can be seen that external magnetic field for 90kOe comprehensive physical property measuring system on measure magnetic property, its it is intrinsic rectify Stupid power is 43.0kOe, and remanent magnetism is 28.1emu/g, the magnetization M under 90kOe magnetic fields9TIt is 24.1emu/g.Surveyed using spiral The thickness that micro- device measures the strip is 42 μm.
Embodiment 5
Element composition formula is prepared for SmCo2.84Fe1.1Cu0.06The SmCo of B4B base permanent magnetism strips, the thickness of the strip is 57 μ M, HCJ is 50.1kOe at room temperature, and remanent magnetism is 24.5emu/g, the maximal magnetization intensity M under 90kOe magnetic fields9TFor 27.9emu/g。
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage conc2.84Fe1.1Cu0.06The quality hundred of the component in B Divide ratio, the desired amount of component raw material is weighed by the mass percent：Pure Sm, pure Co, pure Fe, pure Cu and pure B, it is extra in dispensing The pure Sm of the mass percent 6% that pure Sm is weighed by above-mentioned raw materials proportioning is added, raw material is thus completed and is prepared；
Second step, melt raw material prepares mother alloy ingot：
Raw material that the first step is prepared first is vacuumized to body of heater during melting while be put into vacuum arc melting furnace crucible Spend to 5 × 10-3Pa, furnace temperature is elevated above the fusing point of pure Co, until the melting of whole raw materials is uniform, is obtained SmCo2.84Fe1.1Cu0.06B mother alloy ingots；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second step2.84Fe1.1Cu0.06B foundry alloys are fitted into fast melt-quenching stove, after re-melting with Fast melt-quenching is carried out on the cooling molybdenum disk roller of the peripheral speed rotation of 40m/s, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
The strip that 3rd step fast melt-quenching is prepared is fitted into vacuum annealing furnace, vacuum is 5 × 10-3Pa, at 800 DEG C Made annealing treatment, soaking time is 30min, SmCo is thus obtained4B base permanent magnetism strip products, its element composition formula is SmCo2.84Fe1.1Cu0.06B, the thickness of the strip is 57 μm, at room temperature HCJ 50.1kOe, and remanent magnetism is 24.5emu/ G, the maximal magnetization intensity M under 90kOe magnetic fields9TIt is 27.9emu/g.
Fig. 9 is that element composition formula obtained in the present embodiment is SmCo2.84Fe1.1Cu0.06The SmCo of B4B base permanent magnetism strip products XRD spectrum.It can be seen that its phase composition is main by SmCo2.84Fe1.1Cu0.06B phase compositions.
Figure 10 is that element composition formula obtained in the present embodiment is SmCo2.84Fe1.1Cu0.06The SmCo of B4B base permanent magnetism strip is produced The hysteresis curve of product, it can be seen that in external magnetic field to measure magnetic property in the comprehensive physical property measuring system of 90kOe, its is intrinsic Coercivity is 50.1kOe, and remanent magnetism is 24.5emu/g, the maximal magnetization intensity M under 90kOe magnetic fields9TIt is 27.9emu/g.Using spiral shell The thickness that rotation mircrometer gauge measures the strip is 57 μm.
Embodiment 6
Element composition formula is prepared for SmCo2.64Fe1.3Cu0.06The SmCo of B4B base permanent magnetism strips, the thickness of the strip is 48 μ M, HCJ is 44.6kOe at room temperature, and remanent magnetism is 23.1emu/g, the maximal magnetization intensity M under the 90kOe of magnetic field9TFor 26.7emu/g。
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage conc2.64Fe1.3Cu0.06The quality hundred of the component in B Divide ratio, the desired amount of component raw material is weighed by the mass percent：Pure Sm, pure Co, pure Fe, pure Cu and pure B, it is extra in dispensing The pure Sm of the mass percent 6% that pure Sm is weighed by above-mentioned raw materials proportioning is added, raw material is thus completed and is prepared；
Second step, melt raw material prepares mother alloy ingot：
Raw material that the first step is prepared first is vacuumized to body of heater during melting while be put into vacuum arc melting furnace crucible Spend to 5 × 10-3Pa, furnace temperature is elevated above the fusing point of pure Co, until the melting of whole raw materials is uniform, is obtained SmCo2.64Fe1.3Cu0.06B mother alloy ingots；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second step2.64Fe1.3Cu0.06B foundry alloys are fitted into fast melt-quenching stove, after re-melting with Fast melt-quenching is carried out on the cooling molybdenum disk roller of the peripheral speed rotation of 40m/s, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
The strip that 3rd step fast melt-quenching is prepared is fitted into vacuum annealing furnace, vacuum is 5 × 10-3Pa, at 800 DEG C Made annealing treatment, soaking time is 30min, SmCo is thus obtained4B base permanent magnetism strip products, its element composition formula is SmCo2.64Fe1.3Cu0.06B, the thickness of the strip is 48 μm, and HCJ is 44.6kOe at room temperature, and remanent magnetism is 23.1emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9TIt is 26.7emu/g.
Figure 11 is that element composition formula obtained in the present embodiment is SmCo2.64Fe1.3Cu0.06The SmCo of B4B base permanent magnetism strip is produced The XRD spectrum of product.It can be seen that its phase composition is main by SmCo2.64Fe1.3Cu0.06B phase compositions.
Figure 12 is that element composition formula obtained in the present embodiment is SmCo2.64Fe1.3Cu0.06The SmCo of B4B base permanent magnetism strip is produced The hysteresis curve of product, it can be seen that in external magnetic field to measure magnetic property in the comprehensive physical property measuring system of 90kOe, its is intrinsic Coercivity is 44.6kOe, and remanent magnetism is 23.1emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9TIt is 26.7emu/g.Profit The thickness for measuring the strip with micrometer caliper is 48 μm.
Embodiment 7
Element composition formula is prepared for SmCo2.82Fe1.1Cu0.08The SmCo of B4B base permanent magnetism strips, the thickness of the strip is 41 μ M, HCJ is 54.1kOe at room temperature, and remanent magnetism is 23.5emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9T It is 26.7emu/g.
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage conc2.82Fe1.1Cu0.08The quality hundred of the component in B Divide ratio, the desired amount of component raw material is weighed by the mass percent：Pure Sm, pure Co, pure Fe, pure Cu and pure B, it is extra in dispensing The pure Sm of the mass percent 6% that pure Sm is weighed by above-mentioned raw materials proportioning is added, raw material is thus completed and is prepared；
Second step, melt raw material prepares mother alloy ingot：
Raw material that the first step is prepared first is vacuumized to body of heater during melting while be put into vacuum arc melting furnace crucible Spend to 5 × 10-3Pa, furnace temperature is elevated above the fusing point of pure Co, until the melting of whole raw materials is uniform, is obtained SmCo2.82Fe1.1Cu0.08B mother alloy ingots；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second step2.82Fe1.1Cu0.08B foundry alloys are fitted into fast melt-quenching stove, after re-melting with Fast melt-quenching is carried out on the cooling molybdenum disk roller of the peripheral speed rotation of 40m/s, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
The strip that 3rd step fast melt-quenching is prepared is fitted into vacuum annealing furnace, vacuum is 5 × 10-3Pa, at 800 DEG C Made annealing treatment, soaking time is 30min, SmCo is thus obtained4B base permanent magnetism strip products, its element composition formula is SmCo2.82Fe1.1Cu0.08B, the thickness of the strip is 41 μm, and HCJ is 54.1kOe at room temperature, and remanent magnetism is 23.5emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9TIt is 26.7emu/g.
Figure 13 is that element composition formula obtained in the present embodiment is SmCo2.82Fe1.1Cu0.08The SmCo of B4B base permanent magnetism strip is produced The XRD spectrum of product.It can be seen that its phase composition is main by SmCo2.82Fe1.1Cu0.08B phase compositions.
Figure 14 is that element composition formula obtained in the present embodiment is SmCo2.82Fe1.1Cu0.08The SmCo of B4B base permanent magnetism strip is produced The hysteresis curve of product, it can be seen that in external magnetic field to measure magnetic property in the comprehensive physical property measuring system of 90kOe, its is intrinsic Coercivity is 54.1kOe, and remanent magnetism is 23.5emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9TIt is 26.7emu/g.Profit The thickness for measuring the strip with micrometer caliper is 41 μm.
Embodiment 8
Element composition formula is prepared for SmCo2.82Fe1.1Cu0.08The SmCo of B4B base permanent magnetism strips, the thickness of the strip is 62 μ M, HCJ is 43.8kOe at room temperature, and remanent magnetism is 24.7emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9T It is 28.2emu/g.
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage conc2.82Fe1.1Cu0.08The quality hundred of the component in B Divide ratio, the desired amount of component raw material is weighed by the mass percent：Pure Sm, pure Co, pure Fe, pure Cu and pure B, it is extra in dispensing The pure Sm of the mass percent 10% that pure Sm is weighed by above-mentioned raw materials proportioning is added, raw material is thus completed and is prepared；
Second step, melt raw material prepares mother alloy ingot：
Raw material that the first step is prepared first is vacuumized to body of heater during melting while be put into vacuum induction melting furnace crucible Spend to 10-2Pa, furnace temperature is elevated above the fusing point of pure Co, until the melting of whole raw materials is uniform, SmCo is obtained2.82Fe1.1Cu0.08B is female Alloy cast ingot；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second step2.82Fe1.1Cu0.08B foundry alloys are fitted into fast melt-quenching stove, after re-melting with Fast melt-quenching is carried out on the cooling copper disk roller of the peripheral speed rotation of 10m/s, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
The strip that 3rd step fast melt-quenching is prepared is fitted into vacuum annealing furnace, vacuum is 10-2Pa, enters at 750 DEG C Row annealing, soaking time is 40min, and SmCo is thus obtained4B base permanent magnetism strip products, its element composition formula is SmCo2.82Fe1.1Cu0.08B, the thickness of the strip is 62 μm, and HCJ is 43.8kOe at room temperature, and remanent magnetism is 24.7emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9TIt is 28.2emu/g.
Embodiment 9
Element composition formula is prepared for SmCo2.82Fe1.1Cu0.08The SmCo of B4B base permanent magnetism strips, the thickness of the strip is 55 μ M, HCJ is 46.5kOe at room temperature, and remanent magnetism is 24.3emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9T It is 27.3emu/g.
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage conc2.82Fe1.1Cu0.08The quality hundred of the component in B Divide ratio, the desired amount of component raw material is weighed by the mass percent：Pure Sm, pure Co, pure Fe, pure Cu and pure B, it is extra in dispensing The pure Sm of the mass percent 10% that pure Sm is weighed by above-mentioned raw materials proportioning is added, raw material is thus completed and is prepared；
Second step, melt raw material prepares mother alloy ingot：
Raw material that the first step is prepared first is vacuumized to body of heater during melting while be put into vacuum induction melting furnace crucible Spend to 10-2Pa, furnace temperature is elevated above the fusing point of pure Co, until the melting of whole raw materials is uniform, SmCo is obtained2.82Fe1.1Cu0.08B is female Alloy cast ingot；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second step2.82Fe1.1Cu0.08B foundry alloys are fitted into fast melt-quenching stove, after re-melting with Fast melt-quenching is carried out on the cooling copper disk roller of the peripheral speed rotation of 20m/s, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
The strip that 3rd step fast melt-quenching is prepared is fitted into vacuum annealing furnace, vacuum is 10-2Pa, enters at 750 DEG C Row annealing, soaking time is 40min, and SmCo is thus obtained4B base permanent magnetism strip products, are thus obtained SmCo4B base permanent magnetism is thin Band product, its element composition formula is SmCo2.82Fe1.1Cu0.08B, the thickness for measuring the strip using micrometer caliper is 55 μm, HCJ is 46.5kOe at room temperature, and remanent magnetism is 24.3emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9TFor 27.3emu/g。
Embodiment 10
Element composition formula is prepared for SmCo2.82Fe1.1Cu0.08The SmCo of B4B base permanent magnetism strips, the thickness of the strip is 47 μ M, HCJ is 50.9kOe at room temperature, and remanent magnetism is 23.8emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9T It is 27.1emu/g.
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage conc2.82Fe1.1Cu0.08The quality hundred of the component in B Divide ratio, the desired amount of component raw material is weighed by the mass percent：Pure Sm, pure Co, pure Fe, pure Cu and pure B, it is extra in dispensing The pure Sm of the mass percent 8% that pure Sm is weighed by above-mentioned raw materials proportioning is added, raw material is thus completed and is prepared；
Second step, melt raw material prepares mother alloy ingot：
Raw material that the first step is prepared first is vacuumized to body of heater during melting while be put into vacuum induction melting furnace crucible Spend to 10-2Pa, furnace temperature is elevated above the fusing point of pure Co, until the melting of whole raw materials is uniform, SmCo is obtained2.82Fe1.1Cu0.08B is female Alloy cast ingot；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second step2.82Fe1.1Cu0.08B foundry alloys are fitted into fast melt-quenching stove, after re-melting with Fast melt-quenching is carried out on the cooling copper disk roller of the peripheral speed rotation of 30m/s, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
The strip that 3rd step fast melt-quenching is prepared is fitted into vacuum annealing furnace, vacuum is 10-2Pa, enters at 780 DEG C Row annealing, soaking time is 35min, and SmCo is thus obtained4B base permanent magnetism strip products, are thus obtained SmCo4B base permanent magnetism is thin Band product, its element composition formula is SmCo2.82Fe1.1Cu0.08B, the thickness for measuring the strip using micrometer caliper is 47 μm, HCJ is 50.9kOe at room temperature, and remanent magnetism is 23.8emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9TFor 27.1emu/g。
Embodiment 11
Element composition formula is prepared for SmCo2.82Fe1.1Cu0.08The SmCo of B4B base permanent magnetism strips, the thickness of the strip is 39 μ M, HCJ is 53.5kOe at room temperature, and remanent magnetism is 23.6emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9T It is 26.9emu/g.
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage conc2.82Fe1.1Cu0.08The quality hundred of the component in B Divide ratio, the desired amount of component raw material is weighed by the mass percent：Pure Sm, pure Co, pure Fe, pure Cu and pure B, it is extra in dispensing The pure Sm of the mass percent 5% that pure Sm is weighed by above-mentioned raw materials proportioning is added, raw material is thus completed and is prepared；
Second step, melt raw material prepares mother alloy ingot：
Raw material that the first step is prepared first is vacuumized to body of heater during melting while be put into vacuum induction melting furnace crucible Spend to 10-3Pa, furnace temperature is elevated above the fusing point of pure Co, until the melting of whole raw materials is uniform, SmCo is obtained3.0Fe0.9Cu0.1B is female to be closed Golden ingot casting；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second step2.82Fe1.1Cu0.08B foundry alloys are fitted into fast melt-quenching stove, after re-melting with Fast melt-quenching is carried out on the cooling copper disk roller of the peripheral speed rotation of 50m/s, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
The strip that 3rd step fast melt-quenching is prepared is fitted into vacuum annealing furnace, vacuum is 10-3Pa, enters at 850 DEG C Row annealing, soaking time is 20min, and SmCo is thus obtained4B base permanent magnetism strip products, its element composition formula is SmCo2.82Fe1.1Cu0.08B, the thickness that the strip is measured using micrometer caliper is 39 μm, and HCJ is at room temperature 53.5kOe, remanent magnetism is 23.6emu/g, the maximal magnetization intensity M in the case where magnetic field is 90kOe9TIt is 26.9emu/g.
In above-described embodiment, used raw material is all to be knownization by commercially available, used equipment Construction equipment, used process operation is method known to those skilled in the art.

Claims (3)

1. a kind of SmCo4B base permanent magnetism strips, it is characterised in that：Its element composition formula is SmCoxFeyCuzB, symbol x, y in the formula The atomic percentage for limiting element compositing range is represented with z, the symbol of element compositing range is limited and is met with atomic percentage： X+y+z=4, x=2.64~3.24, y=0.7~1.3, z=0.02~0.1, the thickness of the strip is 39 μm~62 μm, in room Lower its HCJ of temperature is 38.7kOe~54.1kOe, and remanent magnetism is 23.1emu/g~28.1emu/g, and saturation magnetization is 24.1emu/g~32.6emu/g.
2. a kind of SmCo described in claim 14The preparation method of B base permanent magnetism strips, it is characterised in that：Using melt spun fast quenching Technology, comprises the following steps that：
The first step, raw material is prepared：
Element composition formula SmCo is calculated according to atomic percentage concxFeyCuzThe mass percent of the component in B, presses The mass percent weighs the desired amount of component raw material：Pure Sm, pure Co, pure Fe, pure Cu and pure B, thus complete raw material and prepare, In above-mentioned composition formula, limit the symbol of element compositing range and met with atomic percentage：X+y+z=4, x=2.64~ 3.24, y=0.7~1.3, z=0.02~0.1；
Second step, melt raw material prepares mother alloy ingot：
The raw material that the first step is prepared is while be put into vacuum arc melting furnace or vacuum induction melting furnace crucible, elder generation during melting To body of heater suction to 10-2Pa~10-3Pa, furnace temperature is elevated above the fusing point of pure Co, until the melting of whole raw materials is uniform, system Obtain SmCoxFeyCuzB mother alloy ingots；
3rd step, SmCo4The preparation of B base fast quenching thin straps：
By SmCo obtained in second stepxFeyCuzB mother alloy ingots are fitted into fast melt-quenching stove, after re-melting 10m/s~ Fast melt-quenching is carried out on the cooling copper disk roller or molybdenum disk roller of the rotation of 50m/s linear velocities, SmCo is thus obtained4B base fast quenching thin straps；
4th step, SmCo4The preparation of B base permanent magnetism strips：
SmCo prepared by the 3rd step4B base fast quenching thin straps are fitted into vacuum annealing furnace, and vacuum is 10-2Pa~10-3Pa, 750 DEG C~850 DEG C made annealing treatment, soaking time be 20min~40min, thus be obtained SmCo4B base permanent magnetism strip products, its Element composition formula is SmCoxFeyCuzB, strip thickness be 39 μm~62 μm, at room temperature its HCJ be 38.7kOe~ 54.1kOe, remanent magnetism is 23.1emu/g~28.1emu/g, and saturation magnetization is 24.1emu/g~32.6emu/g.
3. a kind of SmCo according to claim 24The preparation method of B base permanent magnetism strips, it is characterised in that：The first step is former During material is prepared, element composition formula SmCo is calculated according to atomic percentage concxFeyCuzThe quality percentage of the component in B Than outer to add the pure of 5%~10% (mass percent) on the basis of the pure Sm of required content of starting materials is weighed by the mass percent Sm, thus completes raw material and prepares.
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CN111180157A (en) * 2019-12-24 2020-05-19 中国计量大学 A method of manufacturing a semiconductor device, comprises the following steps: 17-type SmCoCuFeZrB sintered permanent magnet and preparation method thereof

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CN108735415A (en) * 2018-05-23 2018-11-02 包头天和磁材技术有限责任公司 Samarium cobalt magnet and preparation method thereof
CN108735415B (en) * 2018-05-23 2019-11-19 包头天和磁材科技股份有限公司 Samarium cobalt magnet and preparation method thereof
CN111180157A (en) * 2019-12-24 2020-05-19 中国计量大学 A method of manufacturing a semiconductor device, comprises the following steps: 17-type SmCoCuFeZrB sintered permanent magnet and preparation method thereof
CN111180157B (en) * 2019-12-24 2021-04-06 中国计量大学 A method of manufacturing a semiconductor device, comprises the following steps: 17-type SmCoCuFeZrB sintered permanent magnet and preparation method thereof

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