CN109023005B - A kind of soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature - Google Patents
A kind of soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature Download PDFInfo
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- 239000000956 alloy Substances 0.000 title claims abstract description 91
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 89
- 230000005389 magnetism Effects 0.000 title claims abstract description 33
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- 239000002105 nanoparticle Substances 0.000 claims abstract description 18
- 230000005415 magnetization Effects 0.000 claims abstract description 17
- 229910052742 iron Inorganic materials 0.000 claims abstract description 14
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 230000005307 ferromagnetism Effects 0.000 claims abstract description 7
- 238000005275 alloying Methods 0.000 claims abstract description 5
- 230000005291 magnetic effect Effects 0.000 claims description 7
- 238000012876 topography Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 abstract description 14
- 238000013461 design Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 238000000034 method Methods 0.000 description 15
- 239000010949 copper Substances 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 238000002844 melting Methods 0.000 description 9
- 230000008018 melting Effects 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 239000000470 constituent Substances 0.000 description 5
- 229910052723 transition metal Inorganic materials 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
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- 238000003723 Smelting Methods 0.000 description 2
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- 238000011105 stabilization Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001005 Ni3Al Inorganic materials 0.000 description 1
- 229910000943 NiAl Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
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- 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
- H01F1/12—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 soft-magnetic materials
- H01F1/14—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 soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Abstract
A kind of soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature, belongs to new material technology field, including Fe, Co, Ni, Cr and Al element, the atomic percent of alloying component is expressed as AlxNiyCozFemCrn, wherein x=10~25%, y+z=35~55%, m+n=25~45%, x+y+z+m+n=100%；And y=0~5%, 0.5≤m/n≤5.Material performance index are as follows: room temperature saturation magnetization MS=90~150emu/g, coercivity HC=1~15Oe；Saturation magnetization M at 600 DEG CS=70~130emu/g, coercivity HC=2~25Oe.The present invention realizes the tissue modulation that ferromagnetism BCC nanoparticle coherence in B2 matrix is precipitated by ingredient design, is a kind of soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature to utmostly improve the soft magnet performance of alloy, and preparation process is simple.
Description
Technical field
The invention belongs to new material technology fields, are related to a kind of soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature, especially relate to
And a kind of novel more pivot B2 base soft magnetism high-entropy alloys with the precipitation of BCC nanoparticle coherence, resistance to 600 DEG C of high temperature.
Background technique
Soft magnetic materials is due to that can be greatly improved the conversion effect of electromagnetic field with high saturation magnetization and low coercivity
Rate, and loss of the electric energy in long-distance transmission is reduced, it is basic material important in national economy.Soft magnetic materials is not only met
The growth requirement of traditional industry, but also in emerging technology, the electronic information skill using electric driver and electronic control unit
It is played an important role in art.With the development of material, metal system soft magnetic materials, soft magnetic ferrite, amorphous and nanocrystalline
Soft magnetic materials and soft-magnetic composite material are come out one after another.Traditional magnetically soft alloy design method is with one or two kinds of element
For major components, the tissue and structure of alloy are adjusted by adding other micro-alloying elements, finally using rolling and heat
Processing technique further promotes soft magnet performance, has the shortcomings that preparation process is complicated, at high cost and high temperature soft magnet performance is poor.
High-entropy alloy, or be multi-principal elements alloy, characteristic is that multiple main components can be existed simultaneously.High-entropy alloy
Initially refer to that alloy is mixed by five kinds or five kinds or more elements according to equimolar or nearly equimolar ratio, and every kind of constituent content is all
Between 5%~35%.With the continuous development of high-entropy alloy, major components number can be reduced to quaternary, and mixed proportion can also be put
Width is to non-equimolar ratio.This more pivot mixing bring high entropy effects make alloy be more likely to form simple structure, such as body-centered
Cube (BCC), face-centered cubic (FCC), close-packed hexagonal (HCP) solid solution and its orderly superstructure (B2-NiAl and L12-Ni3Al
Deng), it is a kind of novel complicated component alloy, is expected to develop into novel high-performance engineering/function suitable for extreme environment
Energy alloy material, and new ingredient platform is provided for alloy structure design.In conventional high-entropy alloy AlxNiCoFeCr series
In, with increasing for Al content x, alloy is gradually changed into two-phase (FCC+BCC/B2) from single-phase FCC, is finally single-phase BCC/B2
Structure；Wherein, it is enriched with Fe and Co element in FCC phase, Fe, Co and Cr element are enriched in BCC phase, richness Al, Ni and Co member in B2 phase
Element.Classify according to element magnetism, Fe, Co and Ni are ferromagnetic elements, and Cr is anti-ferromagnetism element, and Al is paramagnetic element.From
The magnetic angular of phase structure, FCC phase itself are magnetic very weak；BCC phase is usually expressed as ferromagnetism.According to FINEMET magnetically soft alloy
(Fe73.5Si13.5B9Nb3Cu1, at.%) it is found that only when nano-level iron magnetism BCC uniform particle is distributed on matrix, alloy
Just show excellent soft magnet performance；And BCC nano-particles size is smaller, and the coercivity of alloy will be smaller.In fact,
In most cases, when BCC coexists with orderly B2 phase, it is usually formed the spinodal decomposition tissue of woven mesh, this can reduce conjunction
Golden soft magnet performance (low saturation magnetization and high coercivity).Spinodal decomposition tissue is formed as BCC and B2 phase
Caused by component difference is larger, so that the lattice constant mispairing between two-phase is larger.In simple alloy system, it is difficult to adjust
The dot matrix mispairing of BCC and B2 phase, and in the high entropy system of multicomponent, it is expected to by changing the molar ratio between multiple pivots,
The dot matrix mispairing of suitable BCC and B2 phase is obtained, so that the spinodal decomposition structural transformation of woven mesh is BCC nanoparticle in B2
The coherence tissue being precipitated on matrix.So far, the B2 base soft magnetism high-entropy alloy quilt not being precipitated with BCC nanoparticle coherence also
Report.
Summary of the invention
The purpose of the present invention is be directed to be difficult to obtain in B2 based alloy system to have body-centered cubic ferromagnetism BCC nanoparticle
The microstructure morphology that sub- coherence is precipitated, provide it is a kind of be precipitated with BCC nanoparticle coherence and resistance to 600 DEG C of high temperature it is novel
More pivot B2 base soft magnetism high-entropy alloys.
In order to achieve the above object, the technical solution adopted by the present invention is that:
A kind of soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature, the soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature
Including Fe, Co, Ni, Cr and Al element, the atomic percent of alloying component is expressed as AlxNiyCozFemCrn, wherein x=10
~25%, y+z=35~55%, m+n=25~45%, x+y+z+m+n=100%.
In addition, also needing to meet following (a) and (b) group, then the corresponding element contained can be easier to obtain novel resistance to 600 DEG C of height
The soft magnetism high-entropy alloy of temperature, the present invention are more highly preferred to.
(a) Ni Elements Atom percentage is y=0~5%；
(b) ratio of the atomic percent of Fe element and Cr element is 0.5≤m/n≤5.
In addition, the soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature has special coherence tissue topography: orderly
Ferromagnetism BCC nanoparticle is precipitated in coherence on B2 phase matrix, to farthest promote alloy soft magnetic performance.
Realizing the design of above-mentioned technical proposal is: transition metal TMs (Ni, Co, Fe, Cr) is divided into two classes first: B2 is steady
Determine element (Ni, Co) and BCC stable element (Fe, Cr)；Then it is designed using " cluster+connection atom " structural model of applicant
Al-Ni-Co-Fe-Cr high-entropy alloy ingredient.Solid solution structure is divided into " cluster " with " cluster+connection atom " model and " connection is former
Son " two parts, wherein " cluster " is the arest neighbors coordination polyhedrom formed centered on some atom, " connection atom " is placed in
The atom of cluster stacking interstitial site is usually located at next neighbour's shell of cluster.For example, cluster is coordination in BCC structure
The granatohedron that number is 14, by 8 atoms of arest neighbors shell and time neighbour's 6 atomic buildings of shell.Thus it can determine
A simple cluster empirical formula [cluster] (connection atom) outX, i.e. a cluster and several X connect atom and match.At this
In five yuan of high-entropy alloy systems of the Al-Ni-Co-Fe-Cr being related in application, since Al and transition metal element TMs have
Stronger reciprocation, and the reciprocation between transition metal element TMs is weaker, therefore all TMs elements can averagely be turned to
One virtual element M, i.e. " average atom M ".Thus Al-Ni-Co-Fe-Cr multi-element alloy system can be reduced to Al-M puppet binary
System, wherein Al is solute atoms, and M is solvent substrate atom.When using cluster empirical formula method design alloy, with solvent M
Cluster center is preferentially occupied with strong interactive solute element, connection atom usually interacts work with weak with solute
With will form [Al-M in BCC structure14] cluster；It may be noted that Al can also occupy connection atom when Al content is excessively high
Position, to form [Al-M14](Al,M)XCluster formula, wherein X is the number for connecting atom.In the above empirical formula, average original
Sub- M is the combination of the transition metal element TMs of multiple and different ratios mixing, therefore can adjust the content of transition metal element TMs
Change M, the content of Al element is adjusted by the variation of connection atom number X, thus formed last multicomponent alloy at
Atomic percent (at.%) expression divided, is AlxNiyCozFemCrn.It is taken off according to the empirical formula that this cluster structure unit gives
Being associated with for the ingredient of industrial alloy and structure and performance is shown, to implement design of alloy and optimization provides and a kind of completely new thinks
Road.
The efficiency of research and development high performance alloys is substantially increased using cluster empirical formula method design multi-principal high-entropy alloy, but
It is that coherence precipitation BCC nanoparticle also needs other two constraint condition on B2 matrix.For B2 phase, institute in the application
Ni the and Co element being related to all easily forms B2 phase with Al element, and element of Fe, Co and Cr primarily form element for BCC phase.Wherein
The reciprocation of Ni and Al is stronger, and when the content of Ni is excessive, Ni and Al can preferentially form B2 phase, and Co elements diffusion is caused to arrive
BCC is made to become matrix in BCC phase.So in order to guarantee that B2 for matrix phase, needs the content of strict control Ni element in the application,
So that Co and Al preferentially form B2 phase.Simultaneously in order to guarantee that the application alloy has more excellent soft magnet performance, need
The content for ensuring ferromagnetic element in BCC nanometers of precipitation particles, i.e., will guarantee the content of Fe element.Therefore, the application is further
It defines atom percentage content y, m and n of Ni, Fe and Cr element, forms following two condition, be (a) Ni Elements Atom hundred
Divide than y=0~5%；(b) ratio 0.5≤m/n≤5 of the atomic percent of Fe element and Cr element.
Preparation method of the invention is for example following: carrying out ingredient according to mass percent using high-purity constituent element raw material；In electricity
Prepared 15g mixture is put into the water jacketed copper crucible of arc smelting furnace, then in the case where argon gas protects atmosphere using non-consumable electricity
Arc smelting process carries out melting, pays attention at least 5 melt backs to guarantee to obtain the uniform alloy pig of ingredient；It is again that melting is uniform
Alloy pig fusing, and sucked melt in cylindrical, copper model cavity using copper mold technique, obtain the rodlike examination that diameter is 6mm
Sample.
Utilize metallographic microscope (OM), scanning electron microscope (SEM), transmission electron microscope (TEM) and X-ray diffraction
Instrument (XRD, Cu KαRadiation, λ=0.15406nm) detect alloy structure and structure；It is tested using vibration sample magnetometer (VSM)
Room temperature and high temperature hysteresis loop.Thereby determine that out that the present invention is the soft magnetism high-entropy alloy of the above-mentioned novel resistance to 600 DEG C of high temperature of one kind.
The atomic percent of alloying component is expressed as AlxNiyCozFemCrn, wherein x=10~25%, y+z=35~55%, m+n=
25~45%, x+y+z+m+n=100%.The above-mentioned a kind of performance indicator of high temperature resistant soft magnetism high entropy alloy material being related to are as follows:
Room temperature saturation magnetization MS=90~150emu/g, coercivity HC=1~15Oe；Saturation magnetization M at 600 DEG CS=70~
130emu/g, coercivity HC=2~25Oe.
Compared with the prior art, the advantages of the present invention are as follows: the present invention is the cluster ingredient voluntarily researched and developed according to applicant
The soft magnetism high-entropy alloy of the novel resistance to 600 DEG C of high temperature of one kind that formula method is designed and developed, passes through and changes Al content and transition gold
Belong to TMs ratio to adjust the dot matrix mispairing of BCC/B2 phase, to realize to the tune that BCC nanoparticle tissue is precipitated on B2 matrix
Control, and ingredient critical regulation standards are established, shield the cumbersome empirical alloy design method of current " cooking formula "；It is effectively improved
The soft magnet performance of B2 base high-entropy alloy since BCC and B2 phase all maintains good symbiosis and epibiosis at a room temperature and a high temperature, and has
There is suitable dot matrix mispairing, causes the BCC nanoparticle of rich Fe/Co ferromagnetic element to be precipitated on B2 matrix, so that alloy exists
Excellent soft magnet performance is all had under room temperature and high temperature, farthest promotes alloy saturation magnetization, and reduce coercivity,
To go out B2 base soft magnetism high-entropy alloy with multi-principal elements alloy mode development；Since ferromagnetism BCC nanoparticle is on B2 matrix
Coherence is precipitated, so that BCC nanoparticle is not easy to grow up, therefore this coherence tissue has excellent high temperature microstructure stability, thus
So that alloy still is able to keep good soft magnet performance in 600 DEG C of hot environments, to obtain a kind of novel resistance to 600 DEG C of high temperature
Soft magnetism high-entropy alloy.Its material typical performance indicators are as follows: series alloy room temperature saturation magnetization MS=90~150emu/g,
Coercivity HC=1~15Oe；Saturation magnetization M at 600 DEG CS=70~130emu/g, coercivity HC=2~25Oe.
The invention has the advantages that: it is 1. designed by alloy, so that the constituent element element addition content proportion of alloy is closed
Reason, to realize a kind of soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature；2. the preparation process of alloy is simple, using vacuum
Electric arc melting；3. with the ferromagnetism BCC nanoparticle tissue that coherence is precipitated on B2 matrix so that high-entropy alloy shows
Excellent soft magnet performance out.
Detailed description of the invention
Fig. 1 is Al prepared by embodiment 117.65Co47.06Fe17.65Cr17.65(at.%) the TEM organizational topography of alloy, it is deep
Color BCC nanoparticle (diameter d~10nm) coherence is precipitated on light tone B2 matrix；
Fig. 2 is Al prepared by embodiment 117.65Co47.06Fe17.65Cr17.65(at.%) the hysteresis loop figure of alloy, it is horizontal in figure
Coordinate is to apply magnetic field, and ordinate is the intensity of magnetization；
Fig. 3 is Al prepared by embodiment 117.65Co47.06Fe17.65Cr17.65(at.%) coercive of alloy is tried hard to, horizontal seat in figure
It is designated as applying magnetic field, ordinate is the intensity of magnetization.
Specific embodiment
Below in conjunction with the technical solution specific embodiment that the present invention will be described in detail.
Embodiment 1:Al17.65Co47.06Fe17.65Cr17.65(at.%) alloy
Step 1: alloy preparation
A kind of soft magnetism high-entropy alloy Al of novel resistance to 600 DEG C of high temperature17.65Co47.06Fe17.65Cr17.65(at.%).Using height
Purity constituent element raw material, element carry out ingredient by mass percentage, are Al9.24Co53.82Fe20.18Cr17.81(wt.%).It is molten in electric arc
Prepared 15g mixture is put into the water jacketed copper crucible of furnace, it is then molten using non-consumable electric arc in the case where argon gas protects atmosphere
Refining method carries out melting, pays attention at least 5 melt backs to guarantee to obtain the uniform alloy pig of ingredient；Again by the uniform alloy of melting
Ingot fusing, and sucked melt in cylindrical, copper model cavity using copper mold technique, obtain the bar samples that diameter is 6mm.
Step 2: alloy microstructure and magnetism testing
Utilize alloy structure and structure after OM, SEM, TEM and XRD detection stabilization processes, as the result is shown conjunction of the invention
Fitting has specific nanometer that tissue is precipitated: BCC nanoparticle coherence is precipitated in ordered phase B2 matrix, sees attached drawing 1；Utilize vibration
Sample magnetometer (VSM) tests hysteresis loop, room temperature saturation magnetization MS=110emu/g, coercivity HC=4Oe；600 DEG C full
And magnetization MS=102emu/g, coercivity HC=7Oe.
Meanwhile soft magnetism high-entropy alloy No.1~21 of the novel resistance to 600 DEG C of high temperature of one kind shown in following table 1 chemistry at
Divide identical as this ingredient origin.
Embodiment 2:Al18.75Ni1.75Co43.50Fe24.00Cr12.00(at.%) alloy
Step 1: alloy preparation
The soft magnetism high-entropy alloy Al of the novel resistance to 600 DEG C of high temperature of one kind of the invention18.75Ni1.75Co43.50Fe24.00Cr12.00
(at.%) alloy.The high-entropy alloy uses high-purity constituent element raw material, and element carries out ingredient, Al by mass percentage9.96Ni2.02
Co50.50Fe26.40Cr12.29(wt.%).Prepared 15g mixture is put into the water jacketed copper crucible of arc-melting furnace, then
Melting is carried out using non-consumable arc melting method in the case where argon gas protects atmosphere, notices that at least 5 melt backs are to guarantee to obtain into
Divide uniform alloy pig；The uniform alloy pig of melting is melted again, and melt is sucked into cylindrical, copper using copper mold technique
In model cavity, the bar samples that diameter is 6mm are obtained.
Step 2: alloy microstructure and magnetism testing
Utilize alloy structure and structure after OM, SEM, TEM and XRD detection stabilization processes, as the result is shown conjunction of the invention
Fitting has specific nanometer that tissue is precipitated: BCC nanoparticle coherence is precipitated in ordered phase B2 matrix；Utilize vibration sample magnetic strength
It counts (VSM) and tests hysteresis loop, room temperature saturation magnetization MS=118emu/g, coercivity HC=3Oe；600 DEG C of saturated magnetizations are strong
Spend MS=112emu/g, coercivity HC=6Oe.
Meanwhile the chemical component of soft magnetism high-entropy alloy No.1~21 of novel resistance to 600 DEG C of high temperature shown in following table 1 is equal
It is identical as this ingredient origin.As described above, invention can be realized preferably.
In addition, the chemical component composition in following table 1 belongs to a kind of soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature.
But table is not limited to this by the soft magnetism high-entropy alloy ingredient of the novel resistance to 600 DEG C of high temperature of one kind of this patent design.Wherein "-" indicates
The element is not added.
Table 1
Embodiment described above only expresses embodiments of the present invention, and but it cannot be understood as to the invention patent
Range limitation, it is noted that for those skilled in the art, without departing from the inventive concept of the premise, also
Several modifications and improvements can be made, these are all belonged to the scope of protection of the present invention.
Claims (2)
1. a kind of soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature, it is characterised in that: novel resistance to 600 DEG C of high temperature it is soft
Magnetic high-entropy alloy includes Fe, Co, Ni, Cr and Al element, and the atomic percent of alloying component is expressed as AlxNiyCozFemCrn,
Wherein, x=10~25%, y+z=35~55%, m+n=25~45%, x+y+z+m+n=100%；
The soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature is also simultaneously containing following (a) and (b) group:
(a) Ni Elements Atom percentage is y=0~5%；
(b) ratio of the atomic percent of Fe element and Cr element is 0.5≤m/n≤5；
The soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature has coherence tissue topography: on ordered phase B2 phase matrix altogether
Ferromagnetism BCC nanoparticle is precipitated in lattice.
2. the soft magnetism high-entropy alloy of the novel resistance to 600 DEG C of high temperature of one kind according to claim 1, which is characterized in that described
Soft magnetism high-entropy alloy typical performance indicators are as follows: series alloy room temperature saturation magnetization MS=90~150emu/g, coercivity HC=
1~15Oe；Saturation magnetization M at 600 DEG CS=70~130emu/g, coercivity HC=2~25Oe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096940.XA CN109023005B (en) | 2018-09-20 | 2018-09-20 | A kind of soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096940.XA CN109023005B (en) | 2018-09-20 | 2018-09-20 | A kind of soft magnetism high-entropy alloy of novel resistance to 600 DEG C of high temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109023005A CN109023005A (en) | 2018-12-18 |
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| JP2022175110A (en) * | 2021-05-12 | 2022-11-25 | セイコーエプソン株式会社 | Soft magnetic powder, powder magnetic core, magnetic element, electronic device, and mobile body |
| CN114457273B (en) * | 2022-02-15 | 2022-09-02 | 大连理工大学 | Corrosion-resistant soft magnetic high-entropy alloy and preparation method thereof |
| CN114807720B (en) * | 2022-04-18 | 2024-01-30 | 贵州大学 | High-entropy alloy coating for repairing phosphoric acid reaction tank stirring paddle blade resistant to strong acid erosion and preparation method thereof |
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| CN115747607B (en) * | 2023-01-10 | 2023-04-14 | 西安稀有金属材料研究院有限公司 | High-entropy alloy sheet for fiber metal laminate and preparation method thereof |
| CN116445790B (en) * | 2023-03-17 | 2024-07-16 | 中国科学院宁波材料技术与工程研究所 | Soft magnetic high-entropy alloy, soft magnetic composite material prepared from soft magnetic high-entropy alloy and preparation method of soft magnetic composite material |
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