CN108624822A - A kind of nitrogenous iron gallium magnetostriction materials and preparation method thereof - Google Patents
A kind of nitrogenous iron gallium magnetostriction materials and preparation method thereof Download PDFInfo
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Abstract
A kind of nitrogenous iron gallium magnetostriction materials and preparation method thereof.The material composition and content of the present invention is expressed as Fe100‑x‑ yGaxMyNz, wherein M is Al, Si or B, x=15~20at%, y=0~1.5at%, z=0.1~1.0at%.The material surface of the present invention includes a certain amount of iron nitride, by the entrance of nitrogen, improves the Magnetostriction of iron gallium magnetostriction materials, and the iron nitride on surface is conducive to the raising of material corrosion resistance.
Description
Technical field
The invention belongs to magnetostriction materials field, in particular to a kind of iron gallium (FeGa) magnetostriction materials and
Preparation method.
Background technology
Ferrimagnet is outside plus under magnetic fields, and shape and volume change, referred to as magnetostrictive effect.It is logical
Normal practical application is line of material magnetostrictive effect, correspondence line magnetostriction coefficient λ=Δ L/L (L is material original length,
Δ L is the variable quantity of the length of material under externally-applied magnetic field).Work as λ>0, i.e., under externally-applied magnetic field, material is extended along magnetic direction, referred to as
Direct magnetostriction effect；Conversely, λ<0, then referred to as negative magnetostriction effect.Material is under externally-applied magnetic field, generated maximum
Dependent variable, referred to as saturation magnetostriction constant (λ s), the size in corresponding magnetic field, referred to as saturated magnetization field (Hs).
Magnetostriction materials can realize the mutual conversion of electromagnetic energy and mechanical energy, have output power, energy density it is high,
The advantages that good reliability, is important energy and information transition material, is one of most important functional material of high-tech sector,
Underwater sound transducing, ultrasonic transducer, electroacoustic conversion, accurate brake, damping and noise control, intelligent machine, micro-displacement control contour skill
Art field has wide practical use.The conventional metals magnetostriction materials such as FeNi, FeAl, Ni developed at present, magnetostriction
Coefficient is relatively low, affects its popularization and application；And using TbDyFe as the rare earth ultra-magnetostriction material of representative, although having high magnetic
Cause telescopicing performance, but poor processability, while rare earth cost of raw material height also limits it and is widely popularized.
Fe-Ga alloys are the one kind occurred after traditional magnetostriction materials and TbDyFe rare earth ultra-magnetostriction materials
New Magnetostrictive Material is an important discovery of the people in the exploration of novel high-performance magnetostriction materials, is answered with height
Force sensitivity, good heat-mechanical performance and Magnetostriction, have filled up traditional magnetostriction materials and rare-earth super-magnetic cause is stretched
Blank between compression material has larger potential using value in ultrasound field and micro positioner etc..FeGa magnetostriction
The preparation method of material is other than traditional directional solidification method, according to the difference of application field, also develops rolling, melt
Quick quenching technique etc., by the material such as powder, film, silk material, plank etc. for preparing different dimensions, to meet the need of different field application
It asks.Especially in high-power magnetostrictive ultrasonic transducer field, due to the resistivity of FeGa low (~9 × 10-7Ω m),
Upper frequency not only reduces energy efficiency, but also can lead to material failure because of fever in use, will produce serious eddy-current loss,
Meanwhile in order to avoid causing material failure under heat condition, the cooling of the media such as water can be used, to be easy to cause the corruption of FeGa
Erosion.
The appearance of FeGa planks brings hope, at present the sound of energy converter for the development of high-frequency high-power ultrasonic transducer
Power obtains at double or even the raising of the order of magnitude with respect to mainstream piezoelectric ultrasonic transducer.But meanwhile with the expansion of application field
Exhibition is various with application environment, and to material, higher requirements are also raised, needs the Magnetostriction for further increasing FeGa,
Improve environmental resistance, optimizes mechanical property, to adapt to increasingly harsh application demand.
Improve FeGa magnetostriction materials aspect of performance, US 20090039714A1 added in FeGa alloys Al or
Be, addition obtain edge as grain growth inhibitor more than 1mol.%NbC by hot rolling, two step warm-rollings and subsequent heat treatment
It rolls to the FeGa magnetostriction alloy sheetings with [001] texture.CN 101465406A are more than by adding atomic ratio
0.5% B, Cr, Nb, VC, TiC, MnS, AlN alloying element, and a small amount of S, Sn, Sb are unfavorable for the alloying element of magnetic property, borrow
Help the H of low content (volume ratio 0.001-0.008%)2S or oxygen are obtained and are preferably taken in higher than 900 DEG C long heat treatment
To Gauss or cubic polycrystalline orientation texture FeGa thin plates.Rare earth material is added in CN 101086912A propositions in FeGa, simultaneously
C=200-600ppm, N=200-600ppm, O=200-700ppm are adulterated, to improve Magnetostriction.CN
103014594A proposes that oligo-element Al, Nb, C, B are added in FeGa bianry alloys forms member as inhibitor or inhibitor
Element induces element, final obtain that there is the secondary recrystallization mangneto of strong goss texture to stretch using element S as secondary recrystallization
Contracting strip, Magnetostriction is up to 300ppm or more.
The method of FeGa magnetostriction materials made above only improves the magnetic of material from ingredient and preparation process etc.
Telescopicing performance is caused, the technology of material overall performance is improved by being surface-treated there is presently no open.
Invention content
For this purpose, one of the objects of the present invention is to provide a kind of nitrogenous FeGa magnetostriction materials.It is provided by the invention
Not only Magnetostriction is been significantly enhanced material, and corrosion resistance be improved significantly, to improve the whole of material
Body performance.
In order to achieve the above object, the present invention uses following technological means：
A kind of nitrogenous FeGa magnetostriction materials, the ingredient and content of the material are expressed as Fe100-x-yGaxMyNz,
Middle M be Al, Si or B, x=15~20at%, for example, 16at%, 16.5at%, 17at%, 17.4at%, 18at%,
18.5at%, 19.1at%, 19.7at% etc., y=0~1.5at%, for example, 0.2at%, 0.4at%, 0.6at%,
0.8at%, 1.0at%, 1.2at%, 1.4at% etc., z=0.1~1.0at%, for example, 0.2at%, 0.35at%,
0.5at%, 0.7at%, 0.85at%, 0.96at% etc..At% is atomic percentage content.
Preferably, the material is plate, it is preferably lamellar.
Preferably, the thickness of the material be 0.1~0.5mm, for example, 0.15mm, 0.2mm, 0.25mm, 0.32mm,
0.38mm, 0.42mm, 0.46mm etc..
Preferably, the material includes the base layer and superficial layer of through-thickness.
Preferably, the thickness of the material surface layer be 5nm~5 μm, for example, 8nm, 10nm, 15nm, 30nm,
50nm, 100nm, 300nm, 500nm, 800nm, 1 μm, 3 μm, 3.5 μm, 4 μm, 4.5 μm etc..
Preferably, the material surface layer includes iron nitride, α "-Fe are preferably included16N2、γ′-Fe4N、ε-FexN
(2<x≤3)、ζ-Fe2One kind or two or more combination in N and a certain amount of amorphous and α-Fe, further preferably mainly
Including α "-Fe16N2。
An object of the present invention, which also resides in, provides a kind of preparation method of iron gallium material of the present invention, including following
Step：Prepare Fe100-x-yGaxMyBasis material, wherein M are Al, Si, B, x=15~20at%, y=0~1.5at%, to system
The iron gallium material obtained is surface-treated to form iron nitride.
Preferably, being heat-treated after surface treatment.
Preferably, the heat treatment carries out in nitrogenous and hydrogen atmosphere.
Preferably, the atmosphere is NH3、NH3+H2Or N2+H2。
Preferably, the volume ratio of hydrogen is not less than 5%, preferably not lower than 10% in the atmosphere.
Preferably, the surface treatment is using ion implanting or directly, heat treatment carries out.
Preferably, the surface treatment carries out in nitrogen containing atmosphere.
Preferably, the ion implanting processing step includes：Described matrix material is carried out using the ion beam containing N
Ion implanting.
Preferably, the energy of ion beam is 50keV or more, preferably 100~800keV when the ion implanting.
Preferably, the nitrogen containing atmosphere when ion implanting is NH3、NH3+H2、N2+H2Or N2。
Preferably, when atmosphere is NH3+H2Or N2+H2When, NH3Or N2With H2Ratio be more than 1:3.
Preferably, nitrogen partial pressure is more than 40% in the atmosphere.
Preferably, 400-800 DEG C of the heat treatment temperature being directly heat-treated, time 1-24h.
Preferably, the atmosphere being directly heat-treated is NH3、NH3+H2Or N2+H2, it is NH3+H2Or N2+H2When atmosphere in
The volume ratio of hydrogen is not less than 20%, but is below 40%, for example, 23%, 26%, 31%, 36% etc..
Iron gallium material provided by the invention includes that nitrogenous superficial layer not only may be used by the auxiliary collaboration of superficial layer performance
So that the Magnetostriction of iron gallium material is been significantly enhanced, and the corrosion resistance of the material can be obviously improved.
Specific implementation mode
Of the invention for ease of understanding, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that the implementation
Example is used only for helping to understand the present invention, should not be regarded as a specific limitation of the invention.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail with reference to embodiment.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It is that extension iron gallium material is answered by background technology it is found that improving the corrosion resistance and Magnetostriction of iron gallium material
With the key in field.The present invention is directed to the technical problem, proposes a kind of new nitrogenous iron gallium magnetostriction materials.The material
Ingredient is Fe100-x-yGaxMyNz, M Al, Si, B, x=15~20at%, y=0~1.5at%, z=0.1~1.0at%.It should
In aspect, by introducing nitrogen in the material, the interstitial atom effects of nitrogen are formed, and part reacts to form iron nitrification with Fe
Object, the final Magnetostrictive Properties and corrosion resistance for influencing iron gallium material.
The illustrative embodiments according to Fe-based amorphous material provided by the invention are described in more detail below.However,
These illustrative embodiments can be implemented by many different forms, and should not be construed to be limited solely to be explained here
The embodiment stated.It should be understood that these embodiments are provided so that disclosure herein is thoroughly and complete, and
And the design of these illustrative embodiments is fully conveyed to those of ordinary skill in the art.
The nitrogenous iron gallium material of the present invention is basic ingredient with FeGa, adds a certain amount of M on this basis to improve
The processing performance of iron gallium material, at the same time, it is important that containing a certain amount of N in the ingredient, the introducing of N is to improve iron gallium material
The key of correlated performance.Wherein in addition element M, M Al, Si, B, these materials mainly improve FeGa in the operation of rolling
In ductility, improve the degree of orientation；It, can be improving the amorphous of material for the methods of fast quenching preparation process
At ability, solid solutions of the N in FeGa materials can also be improved for the present invention by improving the ratio of the phases such as DO3 in material
Degree.N is the basis of the present invention can generate interstitial atom effects, while can be formed by introducing nitrogen-atoms in FeGa materials
Certain iron nitride, the whole Magnetostriction for improving material and surface anticorrosion performance.
Also certain proportionate relationship in the present invention, i.e. x=15~20at%, y=0~1.5at%, z=0.1~
1.0at%.Wherein the ingredient of x be ensure FeGa structures formation and high-magnetostriction performance it is necessary, the introducing of y is mainly to change
The related processing performance of kind material, while solid solubility of the N in FeGa is improved, therefore the content of y needs in 0~1.5at%, too
The Magnetostriction of material can at most be reduced；For N, due to limited to the solid solubility of nitrogen in Fe, in the present invention, N contains
Amount is in 0.1~1.0at%, to ensure the effect of the present invention.
In foregoing invention, preferably FeGa materials are plate, and plank is due to two-dimensional characteristics, due to larger contact
Area, it is easier to nitrogen be allowed to enter inside iron gallium plank.Simultaneously as nitrogen is in injection process and follow-up heat treatment process, and
N cannot be completely secured to be uniformly distributed in iron gallium matrix, therefore N more forms the dense of nitrogen in iron gallium material from surface to inside
Spend gradient.When plank is too thick, N cannot be completely into material core, to be unfavorable for the raising of performance in the present invention, preferably iron
The thickness of gallium material is 0.1~0.5mm.Preferably, the material includes the base layer and superficial layer of through-thickness.Together
When, as previously described, after nitrogen enters, a part enters the interstitial void of base layer, to change the bulk crystal knot of material
Structure, another part can form iron nitride in superficial layer, and in of the invention, iron nitride includes α "-Fe16N2, γ '-
Fe4N, ε-FexN(2<X≤3), ζ-Fe2N and a certain amount of amorphous and α-Fe etc., the different properties of these nitride, to amorphous
The influence of material overall performance is also different, wherein when the structure is γ '-Fe4N、ζ-Fe2When N, the raising to material corrosion resistance
There is apparent effect.Preferably, the structure of superficial layer includes α "-Fe16N2, wherein α "-Fe16N2Saturation magnetization be up to
The formation of 2.8T, the compound act on obviously the raising of overall performance.
Meanwhile there are many kinds of preparation methods for iron gallium material provided by the invention.Specifically, ion may be used in technical staff
The modes such as injection are surface-treated to form the iron gallium magnetostriction for including high nitrogen-containing unazotized iron gallium basis material
Material.
It will be specifically described the embodiment of the preparation method of above-mentioned iron gallium material below.The preparation method includes following step
Suddenly：Prepare Fe100-x-yGaxMy, wherein M is Al, Si, B, x=15~20at%, y=0~1.5at%；To the iron gallium material
It is surface-treated.
In a kind of preferred embodiment of the present invention, iron-based magnetostrictive material is prepared using ion implantation technology.Ion
The basic principle of injection is incident in material with the ion beam that energy is 100keV magnitudes under certain atmosphere, ion beam with
A series of physical and chemistry interaction will occur for atom or molecule in material, the gradual off-energy of incident ion, most
After stop in the material, and material composition, structure and performance is caused to change, to optimize material property.It is excellent in the present invention
Choosing uses iron gallium plank, carries out ion implanting using nitrogenous ion pair material, in the energy of injection, the energy of ion beam is
100~800keV.
Specifically, in ion implantation process, FeGa magnetostriction materials are put into ion implantation device, atmosphere be containing
The atmosphere of nitrogen, such as preferably NH3, NH3+H2, N2+H2, N2.When atmosphere is NH3(N2)+H2When, NH3(N2) and H2Ratio be less than 1:
3.In the present invention, nitrogen is mainly made to enter in the material of FeGa bases, material matrix temperature etc. is not required.In order to reach this
The nitrogen implantation dosage of invention needs nitrogen partial pressure to be more than 40%.
After being surface-treated to FeGa, there are one be heat-treated in atmosphere the step of, heat treatment is act as
Make being uniformly distributed in FeGa matrixes of the nitrogen after injection, while iron nitride being made to form stable structure, ultimately facilitates
The raising of whole Magnetostriction.As a preference of the present invention, heat treatment step preferably carries out in nitrogenous and hydrogen atmosphere,
The presence of nitrogen may advantageously facilitate the uniform diffusion and reaction of nitrogen in the material, and the presence of hydrogen mainly provides a kind of reducing atmosphere, should
Reducing atmosphere is most important, directly affects the dynamic conditions such as the rate of nitrogen diffusion, while the oxygen for reducing surface exists, to nitrogen
Into and diffusion provide more multichannel.It is furthermore preferred that in the present invention in atmosphere heat treatment, atmosphere NH3, NH3+H2, N2+H2, gas
The volume ratio of hydrogen is not less than 10% in atmosphere.
In another preferred embodiment of the invention, also can the magnetostriction material directly be prepared using heat treatment process
Material, 400-800 DEG C of heat treatment temperature, time 1-24h.Likewise, preferably being carried out in nitrogenous and hydrogen atmosphere in the step, nitrogen
Presence may advantageously facilitate the uniform diffusion and reaction of nitrogen in the material, the presence of hydrogen mainly provides a kind of reducing atmosphere, should be also
Primordial Qi atmosphere is most important, directly affects the dynamic conditions such as rate of nitrogen diffusion, while the oxygen for reducing surface exists, to nitrogen into
Enter and spread and more multichannel is provided.It is furthermore preferred that in the present invention in atmosphere heat treatment, atmosphere NH3, NH3+H2, N2+H2, atmosphere
The volume ratio of middle hydrogen is not less than 20%, but is below 40%, accelerates the efficiency for being heat-treated nitriding to provide more nitrogen.
The material and preparation method thereof of offer is be provided below in conjunction with embodiment.
Embodiment 1
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe82.2Ga17.3N0.5, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure packet of superficial layer
Include α "-Fe16N2With α-Fe etc.；The iron gallium material thickness is 0.35mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is NH3。
Embodiment 2
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe80.5Ga17.9Al0.8N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the knot of superficial layer
Structure includes ε-FexN+ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.35mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 600keV, and the atmosphere of heat treatment process is NH3。
Embodiment 3
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe80.9Ga18.0B0.3N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure of superficial layer
Including γ '-Fe4N、ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.3mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is NH3。
Embodiment 4
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe81.2Ga18.0N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure packet of superficial layer
Include α "-Fe16N2With α-Fe etc.；The iron gallium material thickness is 0.35mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 600keV, and the atmosphere of heat treatment process is NH3+H2, the ratio of hydrogen is 30% wherein in atmosphere.
Embodiment 5
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe83.1Ga16.1N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure packet of superficial layer
Include ε-FexN、ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.2mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is N2+H2, the ratio of hydrogen is 30% wherein in atmosphere.
Embodiment 6
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe80.9Ga18.0Si0.3N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the knot of superficial layer
Structure includes α "-Fe16N2+ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.35mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is N2+H2, the ratio of hydrogen is 20% wherein in atmosphere.
Embodiment 7
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe82.9Ga16.3N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure packet of superficial layer
Include γ '-Fe4N、ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.3mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 400keV, and the atmosphere of heat treatment process is N2+H2, the ratio of hydrogen is 10% wherein in atmosphere.
Embodiment 8
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe81.2Ga18.0N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure packet of superficial layer
Include ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.35mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is NH3+H2, the ratio of hydrogen is 40% wherein in atmosphere.
Embodiment 9
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe82.5Ga16.5N1.0, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure packet of superficial layer
Include α "-Fe16N2With α-Fe etc.；The iron gallium material thickness is 0.5mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 800keV, and the atmosphere of heat treatment process is NH3。
Embodiment 10
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe80.0Ga18.0Al1.2N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the knot of superficial layer
Structure includes γ '-Fe4N、ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.35mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is NH3。
Embodiment 11
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe82.0Ga17.2N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure packet of superficial layer
Include α "-Fe16N2、γ′-Fe4N、ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.4mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is NH3。
Embodiment 12
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe81.0Ga18.0B0.2N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure of superficial layer
Including γ '-Fe4N、ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.35mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 300keV, and the atmosphere of heat treatment process is N2+H2, the ratio of hydrogen is 30% wherein in atmosphere.
Embodiment 13
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe80.7Ga18.0Si0.5N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the knot of superficial layer
Structure includes α "-Fe16N2With α-Fe etc.；The iron gallium material thickness is 0.25mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is N2+H2, the ratio of hydrogen is 30% wherein in atmosphere.
Embodiment 14
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe81.2Ga18.0N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure packet of superficial layer
Include γ '-Fe4N and α-Fe etc.；The iron gallium material thickness is 0.35mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is NH3+H2, the ratio of hydrogen is 25% wherein in atmosphere.
Embodiment 15
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe80.2Ga19.0N0.8, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure packet of superficial layer
Include α "-Fe16N2、ε-FexN and α-Fe etc.；The iron gallium material thickness is 0.35mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is NH3+H2, the ratio of hydrogen is 25% wherein in atmosphere.
Embodiment 16
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe80.2Ga18.0Al1.5N0.3, and the material includes base layer and the superficial layer positioned at matrix layer surface, the knot of superficial layer
Structure includes ε-FexN、ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.1mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 100keV, and the atmosphere of heat treatment process is NH3。
Embodiment 17
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe81.5Ga18.0N0.5, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure packet of superficial layer
Include ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.35mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is NH3。
Embodiment 18
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe81.1Ga18.0Si0.3B0.1N0.5, and the material includes base layer and the superficial layer positioned at matrix layer surface, superficial layer
Structure includes α "-Fe16N2、ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.35mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is NH3。
Embodiment 19
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe79.5Ga20.0N0.5, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure packet of superficial layer
Include ζ-Fe2N and α-Fe etc.；The iron gallium material thickness is 0.3mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is NH3。
Embodiment 20
Present embodiments provide a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe81.9Ga18.0N0.1, and the material includes base layer and the superficial layer positioned at matrix layer surface, the structure packet of superficial layer
Include ε-FexN、γ′-Fe4N and α-Fe etc.；The iron gallium material thickness is 0.35mm.
The step of preparing the iron gallium magnetostriction materials include：First, FeGa magnetostriction materials are prepared according to the ratio；So
Afterwards, it uses nitrogenous ion beam to carry out ion implanting to basis material to form the iron gallium material, then it is heat-treated,
The energy of intermediate ion beam is 500keV, and the atmosphere of heat treatment process is NH3。
Comparative example 1
This comparative example provides a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe82.2Ga17.3。
Comparative example 2
This comparative example provides a kind of iron gallium magnetostriction materials and preparation method thereof, wherein the magnetostriction materials
Ingredient is Fe81.9Ga18.0。
Performance test
The iron gallium magnetostriction materials obtained to embodiment 1 to 20 and comparative example 1 to 2 are tested for the property, test result
As shown in table 1.As it can be seen from table 1 the iron gallium magnetostriction coefficient that embodiment 1 to 20 obtains is in 330ppm or more, and it is right
Ratio 1 to 2 keeps its magnetostriction coefficient relatively small, while the material in embodiment is corrosion-resistant without carrying out Nitrogen ion infiltration
Property significantly better than comparative example 1 to 2 obtain material.
Table 1
As can be seen from the table, the present invention realizes following technique effect：Iron gallium magnetostriction materials provided by the invention
Containing nitrogen, proceed to the structure interval of FeGa by the infiltration of nitrogen, and the iron nitride of certain structure is formed on surface,
To improve the magnetostriction coefficient of material, its corrosion resistance is improved.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of nitrogenous FeGa magnetostriction materials, which is characterized in that the ingredient and content of the material are expressed as Fe100-x- yGaxMyNz, wherein M is Al, Si or B, x=15~20at%, y=0~1.5at%, z=0.1~1.0at%.
2. material according to claim 1, which is characterized in that the material is plate, preferably lamellar；
Preferably, the thickness of the material is 0.1~0.5mm.
3. according to claims 1 or 2 or the material, which is characterized in that the material includes the base layer of through-thickness
With superficial layer；
Preferably, the thickness of the material surface layer is 5nm~5 μm.
4. according to claim 1-3 any one of them materials, which is characterized in that the material surface layer includes iron nitrification
Object preferably includes α "-Fe16N2、γ′-Fe4N、ε-FexN(2<x≤3)、ζ-Fe21 in N and a certain amount of amorphous and α-Fe
Kind or combination of more than two kinds further preferably include α "-Fe16N2。
5. a kind of preparation method of claim 1-4 any one of them materials, includes the following steps：Prepare Fe100-x-yGaxMy
Basis material, wherein M are Al, Si, B, and x=15~20at%, y=0~1.5at% carry out surface to iron gallium material obtained
Processing is to form iron nitride.
6. preparation method according to claim 5, which is characterized in that be heat-treated after surface treatment；
Preferably, the heat treatment carries out in nitrogenous and hydrogen atmosphere；
Preferably, the atmosphere is NH3、NH3+H2Or N2+H2；
Preferably, the volume ratio of hydrogen is not less than 5%, preferably not lower than 10% in the atmosphere.
7. preparation method according to claim 5 or 6, which is characterized in that the surface treatment is using ion implanting or directly
Heat treatment is connect to carry out；
Preferably, the surface treatment carries out in nitrogen containing atmosphere.
8. according to claim 5-7 any one of them preparation methods, which is characterized in that the ion implanting processing step packet
It includes：Ion implanting is carried out to described matrix material using the ion beam containing N.
9. according to claim 5-8 any one of them preparation methods, which is characterized in that the energy of ion beam when the ion implanting
Amount is 50keV or more, preferably 100~800keV；
Preferably, the atmosphere when ion implanting is NH3、NH3+H2、N2+H2Or N2；
Preferably, when atmosphere is NH3+H2Or N2+H2When, NH3Or N2With H2Ratio be more than 1:3；
Preferably, nitrogen partial pressure is more than 40% in the atmosphere.
10. according to claim 5-9 any one of them preparation methods, which is characterized in that at the heat being directly heat-treated
Manage 400-800 DEG C of temperature, time 1-24h；
Preferably, the atmosphere being directly heat-treated is NH3、NH3+H2Or N2+H2, it is NH3+H2Or N2+H2When atmosphere in hydrogen
Volume ratio be not less than 20%, but be below 40%.
Priority Applications (4)
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| CN201710161659.9A CN108624822B (en) | 2017-03-17 | 2017-03-17 | Nitrogen-containing iron-gallium magnetostrictive material and preparation method thereof |
| ZA2018/01704A ZA201801704B (en) | 2017-03-17 | 2018-03-13 | A nitrogenous fega magnetostrictive material and its preparation method |
| MYPI2018700993A MY186635A (en) | 2017-03-17 | 2018-03-13 | A nitrogenous fega magnetostrictive material and its preparation method |
| KR1020180029732A KR20180106920A (en) | 2017-03-17 | 2018-03-14 | A nitrogenous fega magnetostrictive material and its preparation method |
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| CN201710161659.9A CN108624822B (en) | 2017-03-17 | 2017-03-17 | Nitrogen-containing iron-gallium magnetostrictive material and preparation method thereof |
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| KR (1) | KR20180106920A (en) |
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| CN111349890A (en) * | 2018-12-24 | 2020-06-30 | 有研工程技术研究院有限公司 | Magnetoelectric composite film and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080115864A1 (en) * | 2004-11-23 | 2008-05-22 | Alison Behre Flatau | Method of texturing polycrystalline iron/gallium alloys and compositions thereof |
-
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- 2017-03-17 CN CN201710161659.9A patent/CN108624822B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080115864A1 (en) * | 2004-11-23 | 2008-05-22 | Alison Behre Flatau | Method of texturing polycrystalline iron/gallium alloys and compositions thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111349890A (en) * | 2018-12-24 | 2020-06-30 | 有研工程技术研究院有限公司 | Magnetoelectric composite film and preparation method thereof |
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| ZA201801704B (en) | 2019-06-26 |
| CN108624822B (en) | 2019-12-31 |
| MY186635A (en) | 2021-08-01 |
| KR20180106920A (en) | 2018-10-01 |
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