CN103659954B - A kind of abrasion-resistant stee template and preparation method - Google Patents
A kind of abrasion-resistant stee template and preparation method Download PDFInfo
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- CN103659954B CN103659954B CN201410001851.8A CN201410001851A CN103659954B CN 103659954 B CN103659954 B CN 103659954B CN 201410001851 A CN201410001851 A CN 201410001851A CN 103659954 B CN103659954 B CN 103659954B
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- 238000000576 coating method Methods 0.000 claims abstract description 102
- 239000011248 coating agent Substances 0.000 claims abstract description 98
- 239000010936 titanium Substances 0.000 claims abstract description 66
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 66
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000007747 plating Methods 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 21
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 46
- 229910045601 alloy Inorganic materials 0.000 claims description 41
- 239000000956 alloy Substances 0.000 claims description 41
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 229910001257 Nb alloy Inorganic materials 0.000 claims description 15
- RJSRQTFBFAJJIL-UHFFFAOYSA-N niobium titanium Chemical compound [Ti].[Nb] RJSRQTFBFAJJIL-UHFFFAOYSA-N 0.000 claims description 15
- -1 nitrogen aluminum titanium Chemical compound 0.000 claims description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims description 14
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 14
- OFEAOSSMQHGXMM-UHFFFAOYSA-N 12007-10-2 Chemical compound [W].[W]=[B] OFEAOSSMQHGXMM-UHFFFAOYSA-N 0.000 claims description 12
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 12
- 239000010410 layer Substances 0.000 claims description 12
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- 238000012545 processing Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 12
- 229910052804 chromium Inorganic materials 0.000 abstract description 12
- 239000011651 chromium Substances 0.000 abstract description 12
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 12
- 150000002500 ions Chemical class 0.000 description 11
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- SJKRCWUQJZIWQB-UHFFFAOYSA-N azane;chromium Chemical compound N.[Cr] SJKRCWUQJZIWQB-UHFFFAOYSA-N 0.000 description 5
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- 229910017083 AlN Inorganic materials 0.000 description 2
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- CXOWYMLTGOFURZ-UHFFFAOYSA-N azanylidynechromium Chemical compound [Cr]#N CXOWYMLTGOFURZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
Abrasion-resistant stee template, is coated with titanium coating, titanium nitride coating, excessive titanium coating, ceramal coating on metallic substrates successively；The length of Metal Substrate flat board is 2.5-6.5 rice and 1.22-2.5 rice with wide size.Titanium coating, titanium nitride coating, excessive titanium coating, ceramal coating thickness respectively 20 80 nanometers, 26 microns, 20 80 nanometers, 26 microns.At ceramal coating surface titanizing coating again and ceramal coating, the thickness of titanium coating and ceramal coating respectively 100 350 nanometers and 26 microns.More than thousand times of steel form service life of existing electrodeposited chromium can be reached and exceeded the service life of the present invention and revolutionize original steel form and move back the state of chromium, chromium plating, grinding, renovation operation environmental pollution, saving and reduce the waste of a large amount of human, financial, and material resources.The hardness on the film surface of the present invention reaches 2500-3400HV.
Description
Technical field
The present invention relates to important equipment prepared by a kind of plate industry, especially abrasion-resistant stee template and preparation method.
Background technology
The composite floor board sold on existing building materials market, various decoration panel, ceiling board, the multiple sheet material such as furniture board, high pressing fireproof plate, the steel form after mostly adopting plating is formed by hot press compacting.But what existing plate surface one layer of hardness of frequent compound reached the alumina particle of 25 60 microns of about HV1600-1800 overlays thing, require to produce the mirror board of the high brightness that top layer is covered with aluminium oxide wearing layer, abrasion-proof composite floor and wear-resisting PLASTIC LAMINATED and household of handling official business, transportation, during the wear-resisting artificial board such as light industry, existing steel form is with the chromed hardened steel form of chemical-electrical, its case hardness HV1000 is more, the hardness overlaying thing of alumina particle can not be reached, it is difficult to reach the requirement that steel form self is wear-resisting, can only rely at present steel form is repeatedly performed and move back chromium, chromium plating is ground maintenance secondary replacing steel form even more than a day and is maintained production, this method is extremely uneconomical also caving-in bash not environmentally, the demand of decorative panel industry can not be met.And chemical plating method is big to the pollution of environment.
The PVD method of existing ceramal is mainly used in cutter, there are no preparation and the product Report of significantly abrasion-resistant stee template.
Summary of the invention
It is an object of the invention to: propose a kind of abrasion-resistant stee template and method prepared by PVD, it has big size (breadth), the abrasion-resistant stee template of the multiple structure that case hardness is high, not only there is high-wear resistance, and case hardness is high and fragility is low, has extraordinary service life and durability simultaneously.
The technical scheme is that abrasion-resistant stee template, be coated with titanium coating, titanium nitride coating, excessive titanium coating, ceramal coating on metallic substrates successively；The length of metal basal board is 2.5-6.5 rice and 1.22-2.5 rice with wide size.
Described titanium coating, titanium nitride coating, excessive titanium coating, ceramal coating thickness respectively 20 80 nanometers, 26 microns, 20 80 nanometers, 26 microns.
Further, at ceramal coating surface titanizing coating again and ceramal coating, the thickness of titanium coating and ceramal coating respectively 100 350 nanometers and 26 microns.
The ceramal being coated with on described steel form is nitride and boride, and nitrogen aluminum titanium alloy, nitrogen Cr-Al alloy, tungsten boride alloy, zirconium boride alloy, titanium boride alloy, titanium-niobium alloy, the case hardness of material reaches 2500 3400HV or higher.Steel form is two-sided is plated with coating.
The manufacture method of above-mentioned abrasion-resistant stee template, is characterized in that the metallic substrate surfaces of steel form is through cleaning process and ion source cleaning treatment, carries out coating covering with physical vacuum intermediate processing, and the temperature of metal basal board controls at 150-200 DEG C；First 20 80 nanometers of pure titaniums of plating, then nitrogen titanium-nitride thickness 26 microns is progressively added, excessive titanium coating 20 80 nanometers, ceramal coating 26 microns, being gradually lowered in plating material the content of nitrogen in excessive titanium coating titanium nitride composition is transitioned into pure titanium, at pure titanium coating surface ceramal film, ceramal is for including nitrogen aluminum titanium alloy, chromium nitride, nitrogen Cr-Al alloy, tungsten boride alloy, zirconium boride alloy, titanium boride alloy, titanium-niobium alloy.
Further, carrying out physics plating on above-mentioned coating, still plate the pure titanium of 0.1-0.3 micron, then plate ceramal, ceramal is nitride and boride: nitrogen aluminum titanium alloy, nitrogen Cr-Al alloy, tungsten boride alloy, zirconium boride alloy, titanium boride alloy, titanium-niobium alloy.
Further, steel form is two-sided is plated with rete.
Ceramal coating is formed by multiple-layer stacked, and every layer thickness controls at≤0.08 micron.
Abrasion-resistant stee template, metal basal board is coated with titanium coating, titanium nitride coating, ceramal coating successively.The length of Metal Substrate flat board is 2.5-6.5 rice and 1.22-2.5 rice with wide size.
The case hardness of abrasion-resistant stee template is high, and metal basal board adopts corrosion resistant plate.
Ceramal is nitride and boride, nitrogen aluminum titanium alloy, chromium nitride, TiCN (TiCN), Cr-Al alloy, nitrogen Cr-Al alloy, tungsten boride alloy, zirconium boride alloy, titanium boride alloy, nitride or boride, or titanium-niobium alloy.The case hardness of material can reach 2500 3400HV or higher.
Utilize the abrasion-resistant stee template that surface of the present invention is ceramal coating, it is possible to process high brightness mirror board, softbox and there is the sheet material of embossing pattern, it is possible to overlay the wear-resisting paster of aluminium sesquioxide, and durable in use.Utilizing the object that the steel form of the present invention is processed can also be Anti-wear reinforced flooring, various decorative panel, partition panel etc..The corrosion resistant plate substrate sizes making abrasion-resistant stee template supporting is 1.22m × 2.5m to 2.5m × 6.5m, the abrasion-resistant stee template that certain user should be mated with size according to the size selection of process equipment.
The abrasion-resistant stee template of the present invention, is coated with titanium coating, titanium nitride coating, transition titanium coating, ceramal coating on metallic substrates successively；The length of metal basal board and wide size respectively 2.5-6.5 rice and 1.22-2.5 rice；Titanium coating, titanium nitride coating, transition titanium nitride coating, ceramal coating thickness respectively 20 80 nanometers, 26 microns, 20 80 nanometers, 26 microns；The titanium coating of 100 350 nanometers and the ceramal coating of 26 microns is plated again at ceramal coating surface；Ceramal is one of nitrogen aluminum titanium alloy, nitrogen Cr-Al alloy or titanium-niobium alloy.The manufacture method of abrasion-resistant stee template, the metallic substrate surfaces of steel form is through cleaning process and ion source cleaning treatment, carrying out coating covering with physical vacuum intermediate processing, the temperature of metal basal board controls at 150-200 DEG C, adopts and includes the modes such as vacuum ion plating such as magnetron sputtering；First 20 80 nanometers of pure titaniums of plating, then nitrogen titanium-nitride thickness 26 microns is progressively added, excessive titanium coating 20 80 nanometers, ceramal coating 26 microns, being gradually lowered in plating material the content of nitrogen in excessive titanium coating titanium nitride composition is transitioned into pure titanium, at pure titanium coating surface ceramal film, ceramal includes nitrogen aluminum titanium alloy, chromium nitride, aluminium nitride, nitrogen Cr-Al alloy, tungsten boride alloy, zirconium boride alloy, titanium boride alloy, nitride or boride, or titanium-niobium alloy etc..Measured hardness 2800-3400HV, the adhesion of film reaches 1.6kgf 2.0kgf, especially up to 1.8kgf 2.0kgf.
The power of electric arc titanium target or cermet material target controls at 15 20V, 80 130A, and this technique can reduce target surface temperature, strengthens the speed of rotation of electromagnetic field, is obtain the nano level effective ways of target ion, and even film layer light is carefully clean.
Ceramal is nitride and boride: nitrogen aluminum titanium alloy, chromium nitride, nitrogen Cr-Al alloy, tungsten boride alloy, zirconium boride alloy, titanium boride alloy, nitride or boride, or titanium-niobium alloy etc..
Steel form of the present invention can longer life cycle be applied to produce the materials such as various decoration, floor, and especially the wear-resistant index of large-size abrasion-resistant stee template is better, film will not crackle, can be used for the preparation of mirror board template, chromium chromium plating need not be moved back and reprocess；And the production process of moulded board of the present invention is environmental protection, without any pollution.This moulded board comes out and will reduce the pollution difficult problem reprocessing chromium plating in a large number.
The invention has the beneficial effects as follows: ceramal coating technique plates extensive use at small instruments and tools, nowadays this technology effectively to be applied on the large format steel form of 2500mm × 6500mm, it it is this field professional person difficult problem of always wanting for many years to capture, it not merely want the problem of effective management and control steel form deformation also to improve the adhesion that coating is superior in the process of plating, significantly also controlling to improve hardness and the brightness of steel form overlay coating while reducing the fragility of coating, this is the difficult point place that this technology is captured.Control workpiece temperature within 150 DEG C 200 DEG C, it is possible to the opposed flattened in holding plate face.Plus the particular design of film layer structure, rete toughness is especially good, and hardness is high especially, not easily collapses film, and adhesion improves.Abrasion-resistant stee template of the present invention has large format, high abrasion and case hardness are high, fragility is low and durable in use, more than thousand times of steel form service life of existing electrodeposited chromium can be reached and exceeded the service life of the present invention and revolutionize original steel form and move back the state of chromium, chromium plating, grinding, renovation operation environmental pollution, saving and reduce the waste of a large amount of human, financial, and material resources.The hardness on the film surface of the present invention reaches 2500-3400HV, it is possible to the alumina particle of opposing 25 60 microns of about 1800HV hardness overlay thing, this abrasion-resistant stee template will not be damaged.The result of abrasion-resistant stee template abrasion test of the present invention is as follows: the chromium plating mirror board of prior art and the mirror board plating ceramal, 120 order emery papers, pressure 1000 grams is under equal conditions adopted to do friction test, chromium plating minute surface blackboard eraser one-time surface arises that obvious scuffing, and the mirror board plating ceramal rubs 10000 times, surface has no the vestige of scuffing.The invention solves the difficult problem that steel form is wear-resisting, be a kind of life large-size abrasion-resistant stee template of becoming Radix Achyranthis Bidentatae.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Detailed description of the invention
Metal basal board 1 is sequentially provided with titanium coating 2, titanium nitride coating 3, transition titanium coating 4, ceramal coating 5.Titanium coating, titanium nitride coating, transition titanium coating, ceramal coating thickness respectively 20 80 nanometers, be especially controlled at 50 ran, 26 microns, 20 80 nanometers, 26 microns.The adhesion surveying this ceramal coating and steel plate reaches 1.8 2kgf, and hardness reaches 2500 3400HV, and has good flexibility, it is possible to resist the overlaying thing of alumina particle of 25 60 microns and this abrasion-resistant stee template will not be damaged.
Embodiment 1, the preparation method of the present invention, first 0.08 micron of pure titanium of plating, then progressively adding nitrogen titanium-nitride and reach 2 or 4 microns, transition titanium coating and titanium nitride are transitioned into pure titanium 0.08 micron (being gradually lowered, keep the evaporation in titanium source) by regulating the amount of nitrogen in vacuum, ceramal is plated again on pure titanium, such as nitrogen aluminum titanium to needs thickness 2 or 5 microns, measured hardness is 2500 2800HV, adhesion 1.6kgf 2.0kgf.The temperature of stainless steel substrate and target is at 160 degrees Celsius.
Above ceramal is nitride and boride: nitrogen aluminum titanium alloy, nitrogen Cr-Al alloy, tungsten boride alloy, zirconium boride alloy, titanium boride alloy, titanium-niobium alloy.
Tungsten boride alloy, zirconium boride alloy, titanium boride alloy, titanium-niobium alloy can prepare into alloy target material, it is also possible to every kind of metal puts many target ions coating apparatus in a target source.
Embodiment 2, the preparation method of the present invention, first carry out Ion Cleaning under vacuum condition and carry out physics plating again in 5-15 minute, still plate 0.08 micron of pure titanium, then 3 microns of titanium nitrides of plating, then 0.15 micron of titanium nitride transition zone of plating, to pure titanium, then plates titanium boride to 3 micron thickness ceramals afterwards, adhesion 2kgf, measured hardness 2600 2800HV.The temperature of stainless steel substrate and target is at 180 degrees Celsius.
Embodiment 3, the preparation method of large-size high abrasion moulded board of the present invention, adopts stainless steel substrate, and corrosion resistant plate substrate sizes is 2.5m × 6.5m, process hardness through nitrided surface after ion cleaning and reach 900HV, after drying fixing workpiece running target material or fixing target travelling workpiece；The target of vacuum ionic film can be tubular target；The temperature difference of coating process workpiece controls the temperature controlled temperature difference of stainless steel substrate and target less than 50 degrees Celsius, and the temperature of stainless steel substrate and target, at 150 degrees Celsius, completes the growth of a tunic after cooling；The plating of next tunic is from controlling the temperature of stainless steel substrate and target 200 degrees Celsius of realizations.Ceramal is titanium-niobium alloy, 3-6 micron, case hardness 3000 3400HV.
Glossiness after moulded board plated film is relevant with the gloss of substrate, and the moulded board after plated film can be processed by shot blasting if desired.Polishing material can use the diamond disk of W1 W10, W5 W35 fused alumina zirconia abrasive disc or aluminium oxide abrasive disc.
Ceramal coating is formed by multiple-layer stacked, and every layer refers to once moving (reciprocating into a cycle) of target or workpiece, and the film thickness of moving period's width controls, at≤0.08 micron, once to move thickness 0.02 microns.
Can be that the rule in titanium boride and titanium nitride per cycle or several cycle carries out alternately plating during plating ceramal, jointly be plated to 3-5 micron.
The manufacture method of the abrasion-resistant stee template of the present invention: all size steel form substrate is through ultrasonic waves for cleaning, ion(ic) etching, thoroughly cleaning steel form substrate surface, by the multiple-layer stacked coating process of arc ion plating and the means such as magnetron sputtering, plasma sputtering and advanced person, and effectively controlling steel form temperature distortion in the course of processing, steel form obtains, through the process of multiple coating processes, the abrasion-resistant stee template that surface has the ceramal of 5-12 micron thickness coating.The arc power in target source controls at 15 20V, 80 180A.Solenoid controlled is at 15V 20V, 1 4A.
The embodiment of ceramal is as follows: Cr-Al alloy HV3000 3200, titanium-niobium alloy HV3200 3400, titanium boride alloy HV2600 2800, zirconium boride alloy HV2800 3000, tungsten boride alloy HV2300 2500.The power of magnetron sputtering controls at 60KW450 500V.
The manufacture method of abrasion-resistant stee template of the present invention, the metallic substrate surfaces of steel form is through cleaning process and ion source cleaning treatment, carrying out coating covering with physical vacuum intermediate processing, the temperature of metal basal board controls at 150-200 DEG C, adopts and includes the modes such as vacuum ion plating such as magnetron sputtering；First 50 150 nanometers of pure titaniums of plating, then nitrogen titanium-nitride thickness 26 microns is progressively added, excessive titanium coating 50 150 nanometers, ceramal coating 26 microns, being gradually lowered in plating material the content of nitrogen in excessive titanium coating titanium nitride composition is transitioned into pure titanium, at pure titanium coating surface ceramal film, ceramal is for including nitrogen aluminum titanium alloy, nitrogen Cr-Al alloy, tungsten boride alloy, zirconium boride alloy, titanium boride alloy, titanium-niobium alloy etc..Measured hardness 2500 3400HV, the adhesion of film reaches 1.6gf 2kgf.
The solenoid power of electric arc titanium target controls at 15 20V, 1 4A, and cooling circulating water temperature control is at≤12 DEG C.The power of electric arc titanium target controls at 15 20V, 80 130A, and this technique can reduce target surface temperature, strengthens the speed of rotation of electromagnetic field, is obtain the nano level effective ways of target ion, and even film layer light is carefully clean.
Ceramal is nitrogen aluminum titanium alloy, chromium nitride, aluminium nitride, nitrogen Cr-Al alloy, tungsten boride alloy, zirconium boride alloy, titanium boride alloy, nitride or boride, or titanium-niobium alloy etc..Measured hardness 2800-3400HV, the adhesion of film reaches 1.6kgf 2.0kgf, especially 1.8kgf 2.0kgf.
Two-sided it is coated with hard ceramic ceramal coating, it is possible to two-sided use, it is also possible to one side uses.
Adopt existing Multi-arc type ion coating machine, its coating chamber is plane (square type) plated film chamber, and because workpiece area is big, therefore workpiece or target are reciprocating in plating room, often one cycle of motion plates a tunic, and casing two wall is respectively arranged with electric arc target and magnetic controlled sputtering target.Coating chamber is built with heater, and coating chamber top is equipped with actuating device.This coater installed capacity is big, it is adaptable to be coated with corrosion resistant plate and goods etc. thereof.
Ion plating can adopt such as TiAl alloy target and Ti, Al separate targets to be prepared for TiAlN hard film layer for TiAl, TiAl arc ion plating.TiAl alloy target and Ti, Al combine TiAlN rete prepared by target and have been significantly increased the hardness of TC4 alloy surface, bearing capacity, slide abrasion and resistance to solids erosive wear performance, but TiAlN rete crystal grain prepared by TiAl alloy target is more careful.The above rete of above example of the present invention is that multiple-layer stacked forms entirely, often plates a layer thickness≤0.08 micron.Except cleaning, drying temperature is about 200 DEG C, coating temperature controls at about 150 DEG C.Target cooling water temperature controls at about 12 DEG C.By film room being filled with nitrogen and using aluminum titanium alloy target or chromium target during the nitride such as nitrogen aluminum titanium alloy, chromium nitride.
Electric arc ion coating plating system, vacuum chamber is bled by molecular pump by bleeding point.Vacuum chamber inwall is target, makes electromagnetic field with coil outside vacuum chamber, and when operating, plasma is fettered in a vacuum chamber closely, and workpiece is totally submerged in the plasma.The electric arc target automatically controlling electromagnetic field can provide the metal ion of height ionization, increases substantially recoating efficiency.
The measurement of the hardness of the present invention adopts HV-1000ZDT automatic turret microhardness testers.Measurement scope 1-4000HV.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the application principle; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (4)
1. abrasion-resistant stee template, is characterized in that being coated with titanium coating, titanium nitride coating, transition titanium coating, ceramal coating on metallic substrates successively；The length of metal basal board and wide size respectively 2.5-6.5 rice and 1.22-2.5 rice；Titanium coating, titanium nitride coating, transition titanium nitride coating, ceramal coating thickness respectively 20 80 nanometers, 26 microns, 20 80 nanometers, 26 microns；The titanium coating of 100 350 nanometers and the ceramal coating of 26 microns is plated again at ceramal coating surface；Ceramal is one of nitrogen aluminum titanium alloy, nitrogen Cr-Al alloy or titanium-niobium alloy.
2. the preparation method of the abrasion-resistant stee template described in claim 1, is characterized in that the metallic substrate surfaces of steel form is through ion source cleaning treatment, carries out coating covering with physical vacuum intermediate processing, and the temperature of metal basal board controls at 150-200 DEG C；First 20 80 nanometers of pure titaniums of plating, then nitrogen titanium-nitride, thickness 26 microns is progressively added, then plating 20 80 nano transition titanium coatings, transition titanium coating is to be gradually lowered titanium nitride to plate the nitrogen content in material to pure titanium, then at pure titanium coating surface 26 micrometer ceramics alloy layer；Ceramal is nitrogen aluminum titanium alloy, nitrogen Cr-Al alloy, tungsten boride alloy, zirconium boride alloy or titanium-niobium alloy.
3. the preparation method of abrasion-resistant stee template according to claim 2, is characterized in that steel form is two-sided and is plated with coating.
4. the preparation method of abrasion-resistant stee template according to claim 2, is characterized in that ceramal is formed by multiple-layer stacked, and every layer thickness controls less than or equal to 0.08 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001851.8A CN103659954B (en) | 2014-01-02 | 2014-01-02 | A kind of abrasion-resistant stee template and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001851.8A CN103659954B (en) | 2014-01-02 | 2014-01-02 | A kind of abrasion-resistant stee template and preparation method |
Publications (2)
| Publication Number | Publication Date |
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| CN103659954A CN103659954A (en) | 2014-03-26 |
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| CN106564101A (en) * | 2016-11-11 | 2017-04-19 | 重庆欧帆门业有限公司 | Door body coating manufacturing process |
| CN110042353B (en) * | 2019-04-04 | 2020-11-27 | 内蒙古科技大学 | Nano laminated aluminum-based composite material and preparation method thereof |
| CN111394710A (en) * | 2020-05-26 | 2020-07-10 | 阳江市金彪马实业有限公司 | Preparation process of titanium nitride coating stainless steel knife |
| CN117062714A (en) * | 2021-11-04 | 2023-11-14 | 许克莱茵有限公司 | Press die and method for manufacturing pressed board |
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