CN106198366A - A kind of screening technique of high flux soft magnetic materials surface anticorrosion layer - Google Patents
A kind of screening technique of high flux soft magnetic materials surface anticorrosion layer Download PDFInfo
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- CN106198366A CN106198366A CN201610487628.8A CN201610487628A CN106198366A CN 106198366 A CN106198366 A CN 106198366A CN 201610487628 A CN201610487628 A CN 201610487628A CN 106198366 A CN106198366 A CN 106198366A
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- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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Abstract
The invention discloses the screening technique of a kind of high flux soft magnetic materials surface anticorrosion layer, comprise the following steps: choose anticorrosive coat material, its component is selected from aluminum, cobalt, molybdenum and chromium；By the step each component of anticorrosive coat material by high flux ion beam sputtering, stalloy surface is prepared the coating of different formulations；It is then passed through 300 400 DEG C of low temperature diffusion and 600 700 DEG C of high temperature sinterings, prepares anticorrosive coat sample；Anticorrosive coat sample is accelerated test, and screens according to corresponding corrosion resisting property data result.The present invention uses combinatorial compound and High Throughput Screening Assay, can carry out high flux design and preparation, and efficiency is high, low cost, shorten the cycle of research and development, it is suitable for preparing multielement, many ratios anti-corrosion material, obtains the surface anticorrosion material sample of a large amount of excellent performance with this.
Description
Technical field
The invention belongs to field of material technology, be specifically related to the screening side of a kind of high flux soft magnetic materials surface anticorrosion layer
Method.
Background technology
Soft magnetic materials is because its saturation induction density is high, pcrmeability is high, coercivity is low, it is low to be lost and environmental stability is good etc.
Advantage, is widely used in the fields such as communication, power supply, computer and various electronic products.There is substantial portion of soft magnetic materials
It is applied under various corrosive environment, such as environment such as automobile fueling injection equipment, motor or harsh aqueous solutions.Generally need
The surface of soft magnetic materials covers one layer of coating for protection against corrosion and can use.Common coating includes phosphate coating, plating molybdenum layer, electrodeposited chromium
Layer and physical vapour deposition (PVD) (PVD) plating Al layer etc..The most conventional mode is to prepare not on each different soft magnetic materials base material
Same coating, detects its antiseptic property the most respectively.
Up to now, application combination synthesis, High Throughput Screening Assay research and development soft magnetic materials surface anticorrosion layer are not yet seen
Report both at home and abroad.
When design and manufacture soft magnetic materials surface anticorrosion layer, need to be grasped the performance of anticorrosive coat self.But anticorrosive coat
Structure the most complicated, corrosion resistance all can be had a huge impact by the change of the trace of each element.Current is general
Way is confined to laboratory method mostly, and for selected material, collocation adjusts other different element ratios, prepares the most same
Product, then detect corresponding antiseptic property by salt spray test.In the face of multielement, during the anticorrosive coat of many ratios, efficiency is low, becomes
This height, the longest.
Traditional soft magnetism surface preventing material research and development is to be realized by the method for the preparation of single sample, test
, apply the demand that this research method is growing to soft magnetic materials far from meeting people.
Summary of the invention
The present invention solves the problems referred to above of the prior art, it is provided that a kind of high flux soft magnetic materials surface anticorrosion layer
Screening technique.For combinatorial compound of the present invention, High Throughput Screening Assay, owing to have employed the parallel place of advanced person
Reason method, is allowed to embody huge advantage in soft magnetic materials Protective Research.The screening technique of the present invention is compared with conventional art:
High flux design and preparation can be carried out；Efficiency is high, low cost, and can be greatly shortened the cycle developing surface anticorrosion layer；Special
It is not suitable for preparing multielement, many ratios anti-corrosion material, obtains the surface anticorrosion material sample of a large amount of excellent performance with this；Permissible
On same soft magnetic materials, once directly prepare the anticorrosive coat of multiple formulations, decrease experimental error.
For achieving the above object, the present invention is by the following technical solutions: the present invention provides a kind of high flux soft magnetic materials table
The screening technique of face anticorrosive coat, specifically includes following steps:
(1) choosing anticorrosive coat material, its component is selected from aluminum, cobalt, molybdenum and chromium；
(2) by each component of anticorrosive coat material of step (1) by high flux ion beam sputtering, at the silicon steel of 80mm*80mm
The coating of 64 10mm*10mm different formulations is prepared on sheet surface；
(3) it is then passed through 300-400 DEG C of low temperature diffusion and 600-700 DEG C of high temperature sintering, prepares anticorrosive coat sample；
(4) anticorrosive coat sample is accelerated test, and screens according to corresponding corrosion resisting property data result.
Further, in step 1, the percentage by weight of described anticorrosive coat material component aluminum, cobalt, molybdenum and chromium is 99.6:
0.1-0.3:0～0.1:0～0.2.
Further, in step 2, described low temperature diffusion temperature is 340-370 DEG C.
Further, in step 2, described sintering temperature is 650-670 DEG C.
Further, in step 3, the thickness of described anticorrosive coat sample is 0.2-0.6um.
Further, in step 3, the thickness of described anticorrosive coat sample is 0.4um.
Further, in step 4, described accelerated test uses the NaCl solution of 5% to be accelerated the experiment of mist salt, disposably
Complete the corrosion proof test of anticorrosive coat material.
Further, in step 2, described high flux ion beam sputtering uses high flux combined material ion beam sputtering thin film
The high flux combined material ion beam sputtering thin film that depositing system, preferably Ningbo Ying Feimai material Science and Technology Ltd. produce sinks
Long-pending system.
The present invention uses technique scheme, compared with prior art, has the following technical effect that
The present invention uses the preparation method of the different proportion of passage to realize the combination in any of multiple constituent element, is conducive to widely
Material component parameter space；Being uniformly distributed of the multiple element being conducive to anticorrosive coat of ion beam sputtering device；The anticorrosion of preparation
Layer sample is through same low temperature diffusion and the process of high temperature sintering, it is ensured that the homogeneity of sample, it is ensured that different component equal
Even mixing；Utilize accelerated test that same soft magnetic materials is carried out high frequency zone, disposably complete the corrosion resistance of anticorrosive coat material
Test；The screening technique of the present invention can carry out high flux design and preparation；Efficiency is high, low cost, is substantially shorter research and development week
Phase, decrease experimental error.
Detailed description of the invention
Below by specific embodiment, the present invention is carried out detailed and concrete introduction, so that being better understood from the present invention,
But following embodiment is not limiting as the scope of the invention.
The present invention provides the screening technique of a kind of high flux soft magnetic materials surface anticorrosion layer, comprises the following steps:
(1) choosing anticorrosive coat material, its component is selected from aluminum, cobalt, molybdenum and chromium；
(2) by each component of anticorrosive coat material of step (1) by high flux ion beam sputtering, at the silicon steel of 80mm*80mm
The coating of 64 10mm*10mm different formulations is prepared on sheet surface；
(3) it is then passed through 300-400 DEG C of low temperature diffusion and 600-700 DEG C of high temperature sintering, prepares anticorrosive coat sample；
(4) anticorrosive coat sample is accelerated test, and screens according to corresponding corrosion resisting property data result.
In one embodiment of the invention, in step 1, described anticorrosive coat material component aluminum, cobalt, molybdenum and the weight hundred of chromium
Proportion by subtraction is 99.6:0.1-0.3:0～0.1:0～0.2；In step 2, described low temperature diffusion temperature is 340-370 DEG C；Preferably,
In step 2, described sintering temperature is 650-670 DEG C；In step 3, the thickness of described anticorrosive coat sample is 0.2-0.6um；Preferably
Ground, in step 3, the thickness of described anticorrosive coat sample is 0.4um；In step 4, described accelerated test uses the NaCl solution of 5%
It is accelerated the experiment of mist salt, disposably completes the corrosion proof test of anticorrosive coat material；In step 2, described high flux ion beam
Sputtering uses high flux combined material ion beam sputtering thin film deposition system, preferably Ningbo Ying Feimai material Science and Technology Ltd.
The high flux combined material ion beam sputtering thin film deposition system produced.
Embodiment: the screening of high flux soft magnetic materials surface anticorrosion layer, specifically includes following steps:
(1) choosing anticorrosive coat material, its component is selected from aluminum, cobalt, molybdenum and chromium；Wherein aluminum, cobalt, molybdenum, weight of chromium percentage ratio are:
99.6:0.1-0.3:0～0.1:0～0.2.
(2) by each component of anticorrosive coat material of step (1) by high flux ion beam sputtering, at the silicon steel of 80mm*80mm
The coating of 64 10mm*10mm different formulations is prepared, as shown in table 1 on sheet surface；This ion beam sputtering uses Ningbo English to fly
Step the high flux combined material ion beam sputtering thin film deposition system that material Science and Technology Ltd. produces；
(3) it is then passed through 300-400 DEG C of low temperature diffusion and 600-700 DEG C of high temperature sintering, prepares different anticorrosive coat samples
This, thickness is about 0.4um；
(4) anticorrosive coat sample is carried out antiseptic property test, experimental result under 5%NaCl accelerates the experiment condition of salt fog
As shown in table 2, and according to corresponding corrosion resisting property data result screen.
The coating of 64 different formulations on table 1 stalloy surface
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 |
| 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 |
| 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 |
| 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 |
| 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 |
There is the time of rust staining with the anticorrosive coat corresponding to table 1 in table 2, unit: hour
| 108 | 118 | 96 | 108 | 118 | 96 | 108 | 118 |
| 108 | 118 | 96 | 108 | 118 | 96 | 108 | 118 |
| 156 | 156 | 144 | 156 | 156 | 144 | 156 | 156 |
| 156 | 156 | 144 | 156 | 156 | 144 | 156 | 156 |
| 156 | 156 | 144 | 156 | 156 | 144 | 156 | 156 |
| 108 | 118 | 96 | 108 | 118 | 96 | 108 | 118 |
| 108 | 118 | 96 | 108 | 118 | 96 | 108 | 118 |
| 108 | 118 | 96 | 108 | 118 | 96 | 108 | 118 |
Data are tested, the high flux soft magnetic materials surface anticorrosion that the present invention provides from the antiseptic property of above-described embodiment
The screening technique of layer, uses combinatorial compound and High Throughput Screening Assay, can develop soft magnetic materials surface anticorrosion expeditiously
Layer material, is allowed to embody huge advantage in soft magnetic materials Protective Research, can carry out high flux design and preparation, efficiency is high,
Low cost, shortens the cycle developing surface anticorrosion layer, is suitable for preparing multielement, many ratios anti-corrosion material, obtains in a large number with this
The surface anticorrosion material sample of excellent performance.
Being described in detail the specific embodiment of the present invention above, but it is intended only as example, the present invention does not limit
It is formed on particular embodiments described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and
Substitute the most all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Amendment, all should contain within the scope of the invention.
Claims (9)
1. the screening technique of a high flux soft magnetic materials surface anticorrosion layer, it is characterised in that comprise the following steps:
(1) choosing anticorrosive coat material, its component is selected from aluminum, cobalt, molybdenum and chromium；
(2) by each component of anticorrosive coat material of step (1) by high flux ion beam sputtering, stalloy surface is prepared not
Coating with formula；
(3) it is then passed through 300-400 DEG C of low temperature diffusion and 600-700 DEG C of high temperature sintering, prepares anticorrosive coat sample；
(4) anticorrosive coat sample is accelerated test, and screens according to corresponding corrosion resisting property data result.
The screening technique of high flux soft magnetic materials surface anticorrosion layer the most according to claim 1, it is characterised in that step 1
In, the percentage by weight of described anticorrosive coat material component aluminum, cobalt, molybdenum and chromium is respectively aluminum 99.6%, 0.1-0.3% cobalt, 0～
0.1% molybdenum, 0～0.2% chromium.
The screening technique of high flux soft magnetic materials surface anticorrosion layer the most according to claim 1, it is characterised in that step 2
In, described high flux ion beam sputtering uses high flux combined material ion beam sputtering thin film deposition system.
The screening technique of high flux soft magnetic materials surface anticorrosion layer the most according to claim 1, it is characterised in that step 2
In, described low temperature diffusion temperature is 340-370 DEG C.
The screening technique of high flux soft magnetic materials surface anticorrosion layer the most according to claim 1, it is characterised in that step 2
In, described sintering temperature is 650-670 DEG C.
The screening technique of high flux soft magnetic materials surface anticorrosion layer the most according to claim 1, it is characterised in that step 3
In, the thickness of described anticorrosive coat sample is 0.2-0.6um.
The screening technique of high flux soft magnetic materials surface anticorrosion layer the most according to claim 6, it is characterised in that step 3
In, the thickness of described anticorrosive coat sample is 0.4um.
The screening technique of high flux soft magnetic materials surface anticorrosion layer the most according to claim 1, it is characterised in that step 4
In, described accelerated test uses the NaCl solution of 5% to be accelerated the experiment of mist salt, disposably completes the corrosion resistance of anticorrosive coat material
Test.
The screening technique of high flux soft magnetic materials surface anticorrosion layer the most according to claim 1, it is characterised in that step 2
In, described high flux ion beam sputtering uses high flux combined material ion beam sputtering thin film deposition system.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021083166A1 (en) * | 2019-10-28 | 2021-05-06 | 华南理工大学 | Method for improving coercivity, wear resistance and corrosion resistance properties of neodymium iron boron magnet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021083166A1 (en) * | 2019-10-28 | 2021-05-06 | 华南理工大学 | Method for improving coercivity, wear resistance and corrosion resistance properties of neodymium iron boron magnet |
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Application publication date: 20161207 |