CN109852919A - A kind of non-crystalline material and nanocrystalline processing method - Google Patents
A kind of non-crystalline material and nanocrystalline processing method Download PDFInfo
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- CN109852919A CN109852919A CN201910125908.8A CN201910125908A CN109852919A CN 109852919 A CN109852919 A CN 109852919A CN 201910125908 A CN201910125908 A CN 201910125908A CN 109852919 A CN109852919 A CN 109852919A
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Abstract
The invention discloses a kind of non-crystalline material and nanocrystalline processing methods, are related to metal material field, which includes: by heat treatment process, using carbonitriding medium to non-crystalline material and nanocrystalline progress carbo-nitriding processing.During carbo-nitriding, carbon in carbonitriding medium and non-crystalline material and it is nanocrystalline in iron will form cementite Fe3C, and the nitrogen in carbonitriding medium and non-crystalline material and it is nanocrystalline in iron will form nitrided iron Fe4N, due to cementite Fe3C and nitrided iron Fe4N all has magnetism, the two cooperation, so that the magnetic induction intensity (also referred to as magnetic flux density or B value) of non-crystalline material is obviously improved.
Description
Technical field
The present invention relates to metal material field, in particular to a kind of non-crystalline material and nanocrystalline processing method.
Background technique
Metal material generally comprises: crystalline material and amorphous material, wherein the arrangement of amorphous material interior atoms is in
Random state, the thin ribbon shaped material made of amorphous material are known as non-crystalline material, have high-intensitive, high rigidity and height
The advantages that plasticity.On the basis of amorphous, by special thermal treatment, form nucleus and grow up, but to control grain size and exist
Nano grade avoids the formation of complete crystal, and the structure at this moment formed is exactly nanocrystalline.
Non-crystalline material and it is nanocrystalline be used equally in the electrical equipments such as motor, transformer, however, probe into discovery, amorphous material
Material and nanocrystalline magnetic induction intensity (i.e. B value) is not high, limits its application in the electrical apparatus, for example, will lead to its dosage compared with
It is more, and then lead to increased costs.So how to improve non-crystalline material and nanocrystalline magnetic induction intensity seems very necessary.
Summary of the invention
In consideration of it, the present invention provides a kind of non-crystalline material and nanocrystalline processing method, can effectively improve non-crystalline material or
The nanocrystalline magnetic induction intensity of person.Specifically, including technical solution below:
A kind of non-crystalline material and nanocrystalline processing method, the treating method comprises: by heat treatment process, utilize carbon
Nitrogen diffusion medium is to non-crystalline material and nanocrystalline progress carbo-nitriding processing.
In one possible implementation, the carbonitriding medium is the mixture for including carbon source and nitrogen source, alternatively, being
Organic matter containing carbon and nitrogen simultaneously.
In one possible implementation, the carbon source is grease or resinae；
The nitrogen source is Ammonia or amine.
In one possible implementation, the carbon source further include: carbon dust and/or graphite powder.
In one possible implementation, before being heat-treated, the carbon source passes through coating, instillation or Vaccum Permeating
Lacquer craftwork is placed in the non-crystalline material or the nanocrystal surface, also, when being heat-treated, and is passed through the institute of gas form
State nitrogen source.
In one possible implementation, when being heat-treated, by the non-crystalline material or the nanocrystalline leaching
Not in the carbon source of liquid form, while being passed through the nitrogen source of gas form.
In one possible implementation, when being heat-treated, make the non-crystalline material or the nanocrystalline leaching
Not in the carbonitriding medium of liquid form；Alternatively, making the non-crystalline material or described nanocrystalline being placed in gas form
The carbonitriding medium in.
In one possible implementation, the non-crystalline material includes: amorphous band；
It is described it is nanocrystalline include: nanocrystalline strip.
In one possible implementation, when being heat-treated, heat treatment temperature is 200 DEG C -650 DEG C.
In one possible implementation, when being heat-treated, heat treatment time was at least more than 5 minutes.
The beneficial effect of technical solution provided in an embodiment of the present invention includes at least:
Non-crystalline material provided in an embodiment of the present invention and nanocrystalline processing method, it is total using carbon nitrogen by heat treatment process
Penetration enhancer carries out carbo-nitriding processing, carbon and non-crystalline material during the carbo-nitriding, in carbonitriding medium to non-crystalline material
And it is nanocrystalline in iron will form cementite Fe3C, and the nitrogen in carbonitriding medium and non-crystalline material and it is nanocrystalline in iron can shape
At nitrided iron Fe4N (wherein, non-crystalline material and it is nanocrystalline in iron include its surface and inside iron), due to cementite Fe3C and
Nitrided iron Fe4N all has magnetism, the two cooperation, so that the magnetic induction intensity (also referred to as magnetic flux density or B value) of non-crystalline material is able to
It is obviously improved.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, embodiment of the present invention will be made below further detailed
Thin description.
The embodiment of the invention provides a kind of non-crystalline material and nanocrystalline processing method, which includes: to pass through
Heat treatment process, using carbonitriding medium to non-crystalline material and nanocrystalline progress carbo-nitriding processing.
Non-crystalline material provided in an embodiment of the present invention and nanocrystalline processing method, it is total using carbon nitrogen by heat treatment process
Penetration enhancer carries out carbo-nitriding processing, carbon and non-crystalline material during the carbo-nitriding, in carbonitriding medium to non-crystalline material
And it is nanocrystalline in iron will form cementite Fe3C, and the nitrogen in carbonitriding medium and non-crystalline material and it is nanocrystalline in iron can shape
At nitrided iron Fe4N (wherein, non-crystalline material and it is nanocrystalline in iron include its surface and inside iron), due to cementite Fe3C and
Nitrided iron Fe4N all has magnetism, the two cooperation, so that the magnetic induction intensity (also referred to as magnetic flux density or B value) of non-crystalline material is able to
It is obviously improved.
It is understood that non-crystalline material and nanocrystalline progress carbo-nitriding processing, it can be in non-crystalline material and nanometer
Brilliant surface and internal formation carbo-nitriding compound, also, it is based on carbo-nitriding principle, carburizing amount is higher than nitriding amount, that is, with
Based on carburizing, supplemented by nitriding.
It is above-mentioned to refer to, it to non-crystalline material and nanocrystalline is heat-treated using carbonitriding medium, wherein carbonitriding medium is same
When carbon and nitrogen, carbonitriding medium are provided can be mixture, also that is, carbonitriding medium can be the mixing for including carbon source and nitrogen source
Object；It is also possible to the compound containing carbon and nitrogen simultaneously, also that is, carbonitriding medium is having containing carbon and nitrogen simultaneously
Machine object.For the carbonitriding medium of both forms, included in the molar ratio of carbon and nitrogen can be
2-5:1, to ensure that carburizing amount is higher than nitriding amount.
With include the mixture of carbon source and nitrogen source for example, wherein carbon source and nitrogen source can using gas form or
Person's liquid form, and the two may be the same or different.When the two selects gas form simultaneously, amorphous material can be made
In material and the nanocrystalline carbonitriding medium atmosphere for being placed in flowing, the carbon nitrogen of certain time can also be continually fed into reaction system
Diffusion medium.When the two selects liquid form simultaneously, by non-crystalline material and nanocrystalline can be immersed in carbonitriding medium.
Illustratively, carbon source may include organic carbon source and inorganic carbon source, wherein organic carbon source includes but is not limited to: grease, tree
Rouge, carbohydrate, fatty acid, Organic Alcohol, organic ketone etc..Inorganic carbon source includes but is not limited to: carbon dioxide etc..
In view of non-crystalline material and nanocrystalline material, and need to carry out Carburization Treatment by heat treatment process, in order to
Convenient for carbon source and non-crystalline material and nanocrystalline combination, in the embodiment of the present invention, carbon source can be grease or resinae.
For example with grease comprising but be not limited to: oils and fats can be for example with oils plant
Object oil, mineral oil (such as petroleum, kerosene), organic synthesis oil etc..As an example, Dowtherm is as a kind of thermally conductive oils,
It can be used as the carbon source in the embodiment of the present invention.
For example with resinae comprising but be not limited to: the liquid resins such as epoxy resin, phenolic resin, alkyd resin,
They have adhesivity, convenient for being placed in non-crystalline material or nanocrystal surface.
Further, in order to improve carburizing amount, carbon source provided in an embodiment of the present invention further include: carbon dust and/or graphite powder.
As an example, carbon dust and/or graphite powder can be mixed into oils or resinae carbon source, forms phosphorus content more
High carbon source.Wherein, the doping mass percent of carbon dust and/or graphite powder in total carbon source can be not less than 0.05%, such as
10%, 15%, 20%, 30%, 50%, 100%, 200% etc..
Wherein, the partial size of carbon dust and graphite powder is controlled in nanoscale, to improve carburizing effect.
In order to further increase carburizing amount, carbon source provided in an embodiment of the present invention further include: carburizing promotor, wherein seep
Carbon promotor can be BaCO3、CaCO3Or Na2CO3Deng the doping mass percent of carburizing promotor can the total carbon source quality of Zhan
10% within, such as 3%, 4%, 5% etc..
As an example, such a carbon source can be provided comprising: oils and/or resinae, carbon dust and/or stone
Ink powder and carburizing promotor.
As another example, such a carbon source can be provided comprising: oils and/or resinae and carburizing promote
Into agent.
As another example, such a carbon source can be provided comprising: oils and/or resinae.
In the embodiment of the present invention, the nitrogen source being applicable in can be Ammonia or amine, for example, nitrogen source can be ammonia
Gas, and it is possible to carry out permeation processing by way of being passed through ammonia.Nitrogen source can also for triethanolamine, urea etc., also,
Permeation processing can be carried out by way of instiling or submerging.
For how by carbonitriding medium infiltration non-crystalline material or nanocrystalline surface and inside, following example illustrates:
As an example, before being heat-treated, carbon source is placed in amorphous by coating, instillation or vacuum paint dipping technique
Material or nanocrystal surface, also, when being heat-treated, it is passed through the nitrogen source of gas form.
For example, carbon source can be placed in non-crystalline material surface by modes such as brushing, spraying, instillation, then to non-
Brilliant material or it is nanocrystalline be heat-treated, and during heat treatment, ammonia can be passed through.In further example, in carbon nitrogen
During permeation, carbon source can be placed in non-crystalline material or nanocrystal surface by way of instillation kerosene, ethyl alcohol or acetone, and
It is passed through ammonia.Alternatively, carbo-nitriding can also be carried out by way of continuous drip triethanolamine or dissolved with the alcohol of urea.
As another example, when being heat-treated, by non-crystalline material or the nanocrystalline carbon source for being immersed in liquid form
In, while being passed through the nitrogen source of gas form.
For example, when carbon source is oils, can make non-crystalline material or it is nanocrystalline be immersed in Dowtherm, and be passed through nitrogen
Gas carries out oil bath heating, this kind of mode can not only make carburizing nitrogen uniform, and can make heated perimeter when heat treatment
It is more uniform, improve carburizing effect.
As another example, when being heat-treated, makes non-crystalline material or nanocrystalline be directly immersed in liquid form
In carbonitriding medium.Alternatively, making in non-crystalline material or the nanocrystalline carbonitriding medium for being placed in gas form.
For example, carbon source is Organic Alcohol, and nitrogen source can be urea, and the two is mixed to form the carbo-nitriding of liquid form
Agent is heat-treated in application, non-crystalline material is immersed in carbonitriding medium.
When being heat-treated using heat treatment process, can be carried out by using heat-treatment furnace, so that carbo-nitriding
Journey is simply controllable.
Different based on material when being heat-treated, heat treatment temperature is 200 DEG C -650 DEG C, such as 280 DEG C -380 DEG C,
In further example, can for 200 DEG C, 230 DEG C, 250 DEG C, 280 DEG C, 300 DEG C, 310 DEG C, 320 DEG C, 330 DEG C, 340 DEG C,
350 DEG C, 360 DEG C, 370 DEG C, 380 DEG C, 400 DEG C, 500 DEG C etc..Under normal circumstances, the heat treatment temperature of non-crystalline material is lower, can
With at 450 DEG C hereinafter, and nanocrystalline heat treatment temperature can be higher, can achieve 650 DEG C.
In addition, heat treatment time was at least more than 5 minutes, such as can be -10 hours 5 minutes, into one when being heat-treated
Step for example, can for 10 minutes, 30 minutes, 1 hour, 2 hours, 3.5 hours, 5 hours, 6.5 hours, 7 hours, it is 7.5 small
When, 15 hours, 25 hours or longer time.Size of the size of heat treatment time based on heat treatment temperature and change,
For example, can reach preferable carburizing nitrogen effect using lower heat treatment time when heat treatment temperature is higher.
It is understood that the size of non-crystalline material and nanocrystalline carburizing nitrogen quantity can by control heat treatment time come
It determines, heat treatment time is longer, and carburizing nitrogen quantity is bigger, and keeps stablizing when reaching certain value.
In the embodiment of the present invention, related non-crystalline material includes but is not limited to amorphous band, related nanocrystalline packet
It includes but is not limited to nanocrystalline strip.
Hereinafter the present invention can be further described by specific example:
In a kind of example, amorphous band can be immersed in Dowtherm (i.e. oil bath), be placed in heat-treatment furnace into
Row heat treatment, during heat treatment, is passed through ammonia in heat treated furnace, obtains the amorphous band of carburizing nitrogen.Wherein, it is heat-treated
At 350 DEG C, heat treatment time was controlled at 6 hours for temperature control.
The fluxmeter sold using lakeshore company, the U.S., respectively to before carbo-nitriding in above-mentioned example and carbon nitrogen
The magnetic induction intensity of amorphous band after permeation measures, and measurement result is shown, before carbo-nitriding, the magnetic of amorphous band
Induction is 1.54T (i.e. tesla), and after carbo-nitriding, the magnetic induction intensity of amorphous band is 1.646T.
In another example, amorphous band can be immersed in Dowtherm (i.e. oil bath), be placed in heat-treatment furnace
It is heat-treated, during heat treatment, is passed through ammonia in heat treated furnace, obtains the amorphous band of carburizing nitrogen.Wherein, at heat
Temperature control is managed at 360 DEG C, heat treatment time was controlled at 7.5 hours.
The fluxmeter sold using lakeshore company, the U.S., respectively to before carbo-nitriding in above-mentioned example and carbon nitrogen
The magnetic induction intensity of amorphous band after permeation measures, and measurement result is shown, before carbo-nitriding, the magnetic of amorphous band
Induction is 1.54T (i.e. tesla), and after carburizing, the magnetic induction intensity of amorphous band is 1.7T.
In another example, nanocrystalline strip can be immersed in Dowtherm (i.e. oil bath), be placed in heat-treatment furnace
In be heat-treated, during heat treatment, be passed through ammonia in heat treated furnace, obtain the nanocrystalline strip of carburizing nitrogen.Wherein,
At 650 DEG C, heat treatment time was controlled at 9 hours for heat treatment temperature control.
The fluxmeter sold using lakeshore company, the U.S., respectively to before carbo-nitriding in above-mentioned example and carbon nitrogen
The magnetic induction intensity of non-crystalline material after permeation measures, and measurement result is shown, before carbo-nitriding, the magnetic of non-crystalline material
Induction is 1.62T (i.e. tesla), and after carburizing, the magnetic induction intensity of non-crystalline material is 1.87T.
By above-mentioned specific example it is found that utilizing non-crystalline material provided in an embodiment of the present invention and nanocrystalline processing method pair
Non-crystalline material and it is nanocrystalline handled after, the magnetic induction intensity of non-crystalline material is obviously improved, also, with heat treatment when
Between extension, the promotion effect of magnetic induction intensity is more obvious.
The above is merely for convenience of it will be understood by those skilled in the art that technical solution of the present invention, not to limit
The present invention.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of non-crystalline material and nanocrystalline processing method, which is characterized in that the treating method comprises: by being heat-treated work
Skill, using carbonitriding medium to non-crystalline material and nanocrystalline progress carbo-nitriding processing.
2. non-crystalline material according to claim 1 and nanocrystalline processing method, which is characterized in that the carbonitriding medium
It is the mixture for including carbon source and nitrogen source, alternatively, for the organic matter containing carbon and nitrogen simultaneously.
3. non-crystalline material according to claim 2 and nanocrystalline processing method, which is characterized in that the carbon source is grease
Or resinae；
The nitrogen source is Ammonia or amine.
4. non-crystalline material according to claim 3 and nanocrystalline processing method, which is characterized in that the carbon source is also wrapped
It includes: carbon dust and/or graphite powder.
5. non-crystalline material according to claim 2 and nanocrystalline processing method, which is characterized in that carrying out being heat-treated it
Before, the carbon source is placed in the non-crystalline material or the nanocrystal surface by coating, instillation or vacuum paint dipping technique, and
And when being heat-treated, it is passed through the nitrogen source of gas form.
6. non-crystalline material according to claim 2 and nanocrystalline processing method, which is characterized in that be heat-treated
When, by the non-crystalline material or it is described it is nanocrystalline be immersed in the carbon source of liquid form, while being passed through gas form
The nitrogen source.
7. non-crystalline material according to claim 1 and nanocrystalline processing method, which is characterized in that be heat-treated
When, make in the non-crystalline material or the nanocrystalline carbonitriding medium for being immersed in liquid form；Alternatively, making described non-
Brilliant material described nanocrystalline is placed in the carbonitriding medium of gas form.
8. non-crystalline material according to claim 1 and nanocrystalline processing method, which is characterized in that the non-crystalline material packet
It includes: amorphous band；
It is described it is nanocrystalline include: nanocrystalline strip.
9. non-crystalline material according to claim 1 and nanocrystalline processing method, which is characterized in that when being heat-treated,
Heat treatment temperature is 200 DEG C -650 DEG C.
10. non-crystalline material according to claim 1 and nanocrystalline processing method, which is characterized in that when being heat-treated,
Heat treatment time was at least more than 5 minutes.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125908.8A CN109852919A (en) | 2019-02-20 | 2019-02-20 | A kind of non-crystalline material and nanocrystalline processing method |
| KR1020217018147A KR20210092773A (en) | 2018-11-14 | 2019-11-13 | Method of processing soft magnetic metal material |
| US17/293,902 US20220018010A1 (en) | 2018-11-14 | 2019-11-13 | Method for increasing magnetic induction intensity of soft magnetic metallic materials |
| PCT/CN2019/117840 WO2020098667A1 (en) | 2018-11-14 | 2019-11-13 | Treatment method for soft magnetic metallic materials |
| EP19886031.4A EP3882368A4 (en) | 2018-11-14 | 2019-11-13 | Treatment method for soft magnetic metallic materials |
| JP2021551328A JP2022510734A (en) | 2018-11-14 | 2019-11-13 | How to treat soft magnetic metal materials |
| BR112021009247-1A BR112021009247A2 (en) | 2018-11-14 | 2019-11-13 | method for processing sweet magnetic metallic materials |
| CN201980075549.8A CN113015820A (en) | 2018-11-14 | 2019-11-13 | Processing method of soft magnetic metal material |
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| CN201910125908.8A CN109852919A (en) | 2019-02-20 | 2019-02-20 | A kind of non-crystalline material and nanocrystalline processing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098667A1 (en) * | 2018-11-14 | 2020-05-22 | 王静然 | Treatment method for soft magnetic metallic materials |
| CN115558885A (en) * | 2022-10-18 | 2023-01-03 | 东北大学 | Profile cooperative processing method based on grinding active carburization |
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| CN104797732A (en) * | 2012-11-29 | 2015-07-22 | 通用汽车环球科技运作有限责任公司 | Method for treating a cast iron workpiece and workpiece formed thereby |
| CN105986202A (en) * | 2015-02-13 | 2016-10-05 | 有研稀土新材料股份有限公司 | Iron base non-crystalline material and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104797732A (en) * | 2012-11-29 | 2015-07-22 | 通用汽车环球科技运作有限责任公司 | Method for treating a cast iron workpiece and workpiece formed thereby |
| CN105986202A (en) * | 2015-02-13 | 2016-10-05 | 有研稀土新材料股份有限公司 | Iron base non-crystalline material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098667A1 (en) * | 2018-11-14 | 2020-05-22 | 王静然 | Treatment method for soft magnetic metallic materials |
| CN115558885A (en) * | 2022-10-18 | 2023-01-03 | 东北大学 | Profile cooperative processing method based on grinding active carburization |
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Application publication date: 20190607 |