CN109468589A - A kind of composite coating and preparation method thereof suitable for carbide chip - Google Patents
A kind of composite coating and preparation method thereof suitable for carbide chip Download PDFInfo
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- CN109468589A CN109468589A CN201811545743.1A CN201811545743A CN109468589A CN 109468589 A CN109468589 A CN 109468589A CN 201811545743 A CN201811545743 A CN 201811545743A CN 109468589 A CN109468589 A CN 109468589A
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- 238000000576 coating method Methods 0.000 title claims abstract description 98
- 239000011248 coating agent Substances 0.000 title claims abstract description 95
- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims description 7
- 239000002344 surface layer Substances 0.000 claims abstract description 31
- 239000010410 layer Substances 0.000 claims description 33
- 238000000151 deposition Methods 0.000 claims description 17
- 239000002356 single layer Substances 0.000 claims description 16
- 238000003754 machining Methods 0.000 abstract description 2
- 229910010037 TiAlN Inorganic materials 0.000 description 30
- 238000000034 method Methods 0.000 description 22
- 229910001220 stainless steel Inorganic materials 0.000 description 20
- 239000010935 stainless steel Substances 0.000 description 20
- 238000007514 turning Methods 0.000 description 20
- 239000013558 reference substance Substances 0.000 description 16
- 230000008021 deposition Effects 0.000 description 13
- 238000005520 cutting process Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 9
- 238000003801 milling Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—Nitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/0021—Reactive sputtering or evaporation
- C23C14/0036—Reactive sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/083—Oxides of refractory metals or yttrium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/3464—Sputtering using more than one target
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
- C23C28/044—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material coatings specially adapted for cutting tools or wear applications
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Physical Vapour Deposition (AREA)
Abstract
The invention discloses a kind of composite coatings suitable for carbide chip comprising Ti1‑x‑yAlxSiyN bottom and with Ti1‑x‑ yAlxSiyN/V2O5For the multicycle surface layer of modulation period, so, so that the blade with the composite coating has excellent high rigidity, high-wearing feature, high red hardness and greasy property, and the bond strength between composite coating and blade base is effectively improved, to make it have good machining property and service life.
Description
Technical field
The present invention relates to a kind of blade face technical field of modification, more particularly to a kind of suitable for carbide chip
Composite coating and preparation method thereof.
Background technique
TiAlSiN coating is answered due to its own with high hardness, high wearability and excellent red hardness on a large scale
For the modified field of blade face, to improve the processing performance and service life of blade.The crystal structure of TiAlSiN coating
The Al content in coating is depended greatly on mechanical property, when Al content is more than certain content, coating can be by list
Phase cubic structure converts to hexagonal structure and declines its mechanics and hot property.In addition, being applied when keeping coating is cubic structure
Layer mechanical property and high-temperature oxidation resistance in coating Al content and Si content it is closely related, therefore, TiAlSiN coating
Ingredient composition control it is extremely important.But the coefficient of friction of TiAlSiN coating is relatively high, will increase coated tool and by
Fretting wear between rapidoprint simultaneously increases the temperature of machining area, aggravates the abrasion of tool.For these reasons, it would be highly desirable to
Technical staff solves the above problems.
Summary of the invention
The present invention provides a kind of composite coating suitable for carbide chip, which includes one layer and be deposited on blade base
The Ti of body1-x-yAlxSiyN bottom and Ti with multi-layer structure1-x-yAlxSiyN/V2O5Surface layer, the coating combine Ti1-x- yAlxSiyN layers of high rigidity and V2O5The advantages of greasy property.
In the composite coating technology scheme of aforementioned present invention, research and experiments have shown that, above-mentioned Ti1-x-yAlxSiyN bottom
Mechanics and hot property and Al content it is closely related, when Al content be more than certain content when, coating can from single phase cubic to
Hexagonal structure converts and declines its hardness and hot property.
In the composite coating technology scheme of aforementioned present invention, research and experiments have shown that, above-mentioned Ti1-x-yAlxSiyN bottom
Mechanics and hot property and Si content it is also closely related, it is appropriate to increase coating Si content under the premise of keeping coating cubic structure
Also it will increase the hardness of coating, but excessively high Si content instead reduces the hardness of coating.Exist in addition, the addition of Si can reduce Al
Solid solubility in TiN promotes coating to convert to hexagonal structure, and makes the reduced performance of coating.
In the composite coating technology scheme of aforementioned present invention, research and experiments have shown that, in order to obtain Ti1-x-yAlxSiyN
The optimal performance of coating, the preferred scope of coating composition are 0.3≤x≤0.5,0≤y≤0.2 and 0.3≤x+y≤0.5.
In the composite coating technology scheme of aforementioned present invention, although Ti1-x-yAlxSiyN/V2O5Periodical coatings combine
Ti1-x-yAlxSiyN layers of high rigidity and V2O5Layer low-friction coefficient, but because Ti1-x-yAlxSiyN layers and V2O5The crystal structure of layer
It differs larger, can have biggish interfacial stress during coatings growth and influences the bond strength of coating and blade base.
And in above-mentioned technical proposal of the invention, the Ti that is previously deposited on blade base1-x-yAlxSiyN bottom can be effectively improved coating
Bond strength between matrix.
In the composite coating technology scheme of aforementioned present invention, Ti1-x-yAlxSiyThe thickness control of N bottom is in 0.5~5 μ
M, preferably 1 μm~3 μm, Ti1-x-yAlxSiyN/V2O5The thickness control of surface layer is at 1~8 μm, and preferably 1 μm~3 μm.Too low
Ti1-x-yAlxSiyN underlayer thickness can reduce the wearability of coating and the bond strength of coating and matrix；Too low Ti1-x- yAlxSiyN/V2O5Surface layer surface thickness will affect the frictional behaviour of coating.
In the composite coating technology scheme of aforementioned present invention, the overall thickness of composite coating is 2.0 μm~10 μm, preferably
2 μm~6 μm.Cover light will affect the protective effect for reducing coating；Blocked up coating reduce composite coating and blade base it
Between bond strength and make coating increased costs.
In the composite coating technology scheme of aforementioned present invention, Ti1-x-yAlxSiyN/V2O5In surface layer, the Ti1-x- yAlxSiyN layers of thickness in monolayer is 20nm~100nm, preferably 50~100nm；V2O5The thickness in monolayer of layer is 50nm~100nm,
It is preferred that 50~80nm.
The technology total as one, the present invention also provides a kind of preparation methods containing above-mentioned composite coating: using object first
Physical vapor deposition technology utilization TiAlSi target depositing Ti1-x-yAlxSiyN bottom, then in the Ti1-x-yAlxSiyN/V2O5On bottom
By TiAlSi target and V target deposition with " Ti1-x-yAlxSiyN/V2O5" be modulation period multicycle coating, in depositing Ti1-x- yAlxSiyAt N layers, turns off V target power supply, be filled with N2Atmosphere；In deposition V2O5When layer, turns off TiAlSi target power supply, be filled with O2Atmosphere.
Above-mentioned composite coating can be applied to various blades, mold and wear part, especially suitable for cutting tip.
Compared with the prior art, the advantages of the present invention are as follows: Ti is combined by composite coating1-x-yAlxSiyN layers of height
Hardness, high-wearing feature, excellent red hardness and V2O5Low-friction coefficient advantage, improve the processing performance and use of blade
Service life.Preparation method of the invention is simple, equipment requirement is low and low production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the composite coating of 1- of embodiment of the present invention embodiment 11.
Marginal data:
1, matrix；
2、Ti1-x-yAlxSiyN bottom；
3、Ti1-x-yAlxSiyN/V2O5V in surface layer2O5Layer；
4、Ti1-x-yAlxSiyN/V2O5Ti in middle layer1-x-yAlxSiyN layers.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
Embodiment 1:
A kind of to contain composite coating using the of the invention of physical gas-phase deposite method deposition, overall thickness is 2.0 μm~10.0 μ
M, first with TiAlSi target on blade base depositing Ti1-x-yAlxSiyN bottom, wherein 0.3≤x≤0.5,0≤y≤0.2,
And 0.3≤x+y≤0.5, thickness control is at 0.5 μm~5 μm；Then TiAlSi and V target is utilized respectively in Ti1-x-yAlxSiyN
Alternating deposit has the Ti of polycyclic on bottom1-x-yAlxSiyN/V2O5Surface layer, Ti1-x-yAlxSiyN layers of thickness in monolayer is
20nm~100nm, the V2O5The thickness in monolayer of layer is 50nm~100nm, its thickness control is at 1.0 μm after the multicycle is compound
~8.0 μm；The overall thickness of coating is controlled at 2.0 μm~1.0 μm.
Embodiment 2:
The pretreatment such as surface clean, Ar etch is carried out to the carbide chip of model TNMG120408, then pre-
Use physical gas-phase deposite method deposition thickness for 0.5 μm of Ti on treated blade base0.6Al0.3Si0.1N；Then it deposits
Ti0.6Al0.3Si0.1N/V2O5Surface layer, wherein Ti0.6Al0.3Si0.1N single layer with a thickness of 20nm, V2O5Layer with a thickness of 50nm, warp
Ti after 40 periods0.6Al0.3Si0.1N/V2O5Surface layer with a thickness of 2.8 μm；The overall thickness of coating is 3.3um.Reference substance is equally
Using above-mentioned standard milling cutter as blade base, common TiAlN coating is deposited respectively by common physical gas-phase deposite method, so
The composite coating blade made from the present embodiment 2 and reference substance carry out the comparative experiments of continuous turning stainless steel afterwards, cutting parameter:
Vc=160m/min, f=0.3mm/r, ap=1.0mm.Wherein the working durability of TiAlN coated chip is 8 minutes, and the present invention applies
The working durability of layer blade is 15 minutes.Service life ratio of the coated chip of composite coating of the invention in turning stainless steel
TiAlN coated chip under the prior art is significantly improved.
Embodiment 3:
The pretreatment such as surface clean, Ar etch is carried out to the carbide chip of model TNMG120408, then pre-
Use physical gas-phase deposite method deposition thickness for 0.5 μm of Ti on treated blade base0.6Al0.3Si0.1N；Then it deposits
Ti0.6Al0.3Si0.1N/V2O5Surface layer, wherein Ti0.6Al0.3Si0.1N single layer with a thickness of 50nm, V2O5Layer with a thickness of 100nm,
The Ti after 10 periods0.6Al0.3Si0.1N/V2O5Surface layer with a thickness of 1.5 μm；The overall thickness of coating is 2.0um.Reference substance is same
It is to deposit common TiAlN coating respectively by common physical gas-phase deposite method using above-mentioned standard milling cutter as blade base,
Then the composite coating blade made from the present embodiment 2 and reference substance carry out the comparative experiments of continuous turning stainless steel, cutting ginseng
Number: Vc=160m/min, f=0.3mm/r, ap=1.0mm.Wherein the working durability of TiAlN coated chip is 8 minutes, this hair
The working durability of bright coated chip is 12 minutes.The coated chip of composite coating of the invention uses the longevity in turning stainless steel
It orders and is improved than the TiAlN coated chip under the prior art.
Embodiment 4:
The pretreatment such as surface clean, Ar etch is carried out to the carbide chip of model TNMG120408, then pre-
Use physical gas-phase deposite method deposition thickness for 1.5 μm of Ti on treated blade base0.7Al0.3N；Then it deposits
Ti0.7Al0.3N/V2O5Surface layer, wherein Ti0.7Al0.3N single layer with a thickness of 50nm, V2O5Layer with a thickness of 50nm, through 20 periods
Ti afterwards0.7Al0.3N/V2O5Surface layer with a thickness of 2.0 μm；The overall thickness of coating is 3.5um.Reference substance is milled with above-mentioned standard
Knife is deposited common TiAlN coating respectively by common physical gas-phase deposite method, then uses the present embodiment as blade base
Composite coating blade made from 2 and reference substance carry out the comparative experiments of continuous turning stainless steel, cutting parameter: Vc=160m/
Min, f=0.3mm/r, ap=1.0mm.Wherein the working durability of TiAlN coated chip is 8 minutes, coated chip of the present invention
Working durability is 10 minutes.Service life of the coated chip of composite coating of the invention in turning stainless steel compares the prior art
Under TiAlN coated chip slightly improve.
Embodiment 5:
The pretreatment such as surface clean, Ar etch is carried out to the carbide chip of model TNMG120408, then pre-
Use physical gas-phase deposite method deposition thickness for 0.5 μm of Ti on treated blade base0.5Al0.3Si0.2N；Then it deposits
Ti0.5Al0.3Si0.2N/V2O5Surface layer, wherein Ti0.5Al0.3Si0.2N single layer with a thickness of 20nm, V2O5Layer with a thickness of 50nm, warp
Ti after 40 periods0.5Al0.3Si0.2N/V2O5Surface layer with a thickness of 2.8 μm；The overall thickness of coating is 3.3um.Reference substance is equally
Using above-mentioned standard milling cutter as blade base, common TiAlN coating is deposited respectively by common physical gas-phase deposite method, so
The composite coating blade made from the present embodiment 2 and reference substance carry out the comparative experiments of continuous turning stainless steel afterwards, cutting parameter:
Vc=160m/min, f=0.3mm/r, ap=1.0mm.Wherein the working durability of TiAlN coated chip is 8 minutes, and the present invention applies
The working durability of layer blade is 13 minutes.Service life ratio of the coated chip of composite coating of the invention in turning stainless steel
TiAlN coated chip under the prior art is significantly improved；But compared to embodiment 2, difference is only that Ti1-x-yAlxSiyN's
Ingredient changes, and performance is declined slightly.
Embodiment 6:
The pretreatment such as surface clean, Ar etch is carried out to the carbide chip of model TNMG120408, then pre-
Use physical gas-phase deposite method deposition thickness for 0.5 μm of Ti on treated blade base0.5Al0.3Si0.2N；Then it deposits
Ti0.5Al0.3Si0.2N/V2O5Surface layer, wherein Ti0.5Al0.3Si0.2N single layer with a thickness of 20nm, V2O5Layer with a thickness of 80nm, warp
Ti after 40 periods0.5Al0.3Si0.2N/V2O5Surface layer with a thickness of 4.0 μm；The overall thickness of coating is 4.5um.Reference substance is equally
Using above-mentioned standard milling cutter as blade base, common TiAlN coating is deposited respectively by common physical gas-phase deposite method, so
The composite coating blade made from the present embodiment 2 and reference substance carry out the comparative experiments of continuous turning stainless steel afterwards, cutting parameter:
Vc=160m/min, f=0.3mm/r, ap=1.0mm.Wherein the working durability of TiAlN coated chip is 8 minutes, and the present invention applies
The working durability of layer blade is 16 minutes.Service life ratio of the coated chip of composite coating of the invention in turning stainless steel
TiAlN coated chip under the prior art is significantly improved.
Embodiment 7:
The pretreatment such as surface clean, Ar etch is carried out to the carbide chip of model TNMG120408, then pre-
Use physical gas-phase deposite method deposition thickness for 1.0 μm of Ti on treated blade base0.5Al0.3Si0.2N；Then it deposits
Ti0.45Al0.5Si0.05N/V2O5Surface layer, wherein Ti0.5Al0.3Si0.2N single layer with a thickness of 40nm, V2O5Layer with a thickness of 60nm,
The Ti after 20 periods0.5Al0.3Si0.2N/V2O5Surface layer with a thickness of 2.0 μm；The overall thickness of coating is 3.0um.Reference substance is same
It is to deposit common TiAlN coating respectively by common physical gas-phase deposite method using above-mentioned standard milling cutter as blade base,
Then the composite coating blade made from the present embodiment 2 and reference substance carry out the comparative experiments of continuous turning stainless steel, cutting ginseng
Number: Vc=160m/min, f=0.3mm/r, ap=1.0mm.Wherein the working durability of TiAlN coated chip is 8 minutes, this hair
The working durability of bright coated chip is 18 minutes.The coated chip of composite coating of the invention uses the longevity in turning stainless steel
Life is significantly improved than the TiAlN coated chip under the prior art.
Embodiment 8:
The pretreatment such as surface clean, Ar etch is carried out to the carbide chip of model TNMG120408, then pre-
Use physical gas-phase deposite method deposition thickness for 2.0 μm of Ti on treated blade base0.45Al0.4Si0.15N；Then it sinks
Product Ti0.45Al0.4Si0.15N/V2O5Surface layer, wherein Ti0.5Al0.3Si0.2N single layer with a thickness of 60nm, V2O5Layer with a thickness of
40nm, the Ti after 10 periods0.5Al0.3Si0.2N/V2O5Surface layer with a thickness of 1.0 μm；The overall thickness of coating is 3.0um.Control
Product are deposited respectively by common physical gas-phase deposite method commonly using above-mentioned standard milling cutter as blade base
TiAlN coating, then the composite coating blade made from the present embodiment 2 and reference substance carry out the comparison reality of continuous turning stainless steel
It tests, cutting parameter: Vc=160m/min, f=0.3mm/r, ap=1.0mm.Wherein the working durability of TiAlN coated chip is 8
Minute, the working durability of coated chip of the present invention is 20 minutes.The coated chip of composite coating of the invention is in turning stainless steel
When service life be significantly improved than the TiAlN coated chip under the prior art.
Embodiment 9:
The pretreatment such as surface clean, Ar etch is carried out to the carbide chip of model TNMG120408, then pre-
Use physical gas-phase deposite method deposition thickness for 5.0 μm of Ti on treated blade base0.45Al0.4Si0.15N；Then it sinks
Product Ti0.45Al0.4Si0.15N/V2O5Surface layer, wherein Ti0.5Al0.3Si0.2N single layer with a thickness of 60nm, V2O5Layer with a thickness of
40nm, the Ti after 10 periods0.5Al0.3Si0.2N/V2O5Surface layer with a thickness of 1.0 μm；The overall thickness of coating is 3.0um.Control
Product are deposited respectively by common physical gas-phase deposite method commonly using above-mentioned standard milling cutter as blade base
TiAlN coating, then the composite coating blade made from the present embodiment 2 and reference substance carry out the comparison reality of continuous turning stainless steel
It tests, cutting parameter: Vc=160m/min, f=0.3mm/r, ap=1.0mm.Wherein the working durability of TiAlN coated chip is 8
Minute, the working durability of coated chip of the present invention is 16 minutes.The coated chip of composite coating of the invention is in turning stainless steel
When service life be significantly improved than the TiAlN coated chip under the prior art.
Embodiment 10:
The pretreatment such as surface clean, Ar etch is carried out to the carbide chip of model TNMG120408, then pre-
Use physical gas-phase deposite method deposition thickness for 0.5 μm of Ti on treated blade base0.48Al0.4Si0.12N；Then it sinks
Product Ti0.12Al0.4Si0.48N/V2O5Surface layer, wherein Ti0.5Al0.3Si0.2N single layer with a thickness of 30nm, V2O5Layer with a thickness of
70nm, the Ti after 40 periods0.5Al0.3Si0.2N/V2O5Surface layer with a thickness of 4.0 μm；The overall thickness of coating is 4.5um.Control
Product are deposited respectively by common physical gas-phase deposite method commonly using above-mentioned standard milling cutter as blade base
TiAlN coating, then the composite coating blade made from the present embodiment 2 and reference substance carry out the comparison reality of continuous turning stainless steel
It tests, cutting parameter: Vc=160m/min, f=0.3mm/r, ap=1.0mm.Wherein the working durability of TiAlN coated chip is 8
Minute, the working durability of coated chip of the present invention is 17 minutes.The coated chip of composite coating of the invention is in turning stainless steel
When service life be significantly improved than the TiAlN coated chip under the prior art.
Embodiment 11:
The pretreatment such as surface clean, Ar etch is carried out to the carbide chip of model TNMG120408, then pre-
Use physical gas-phase deposite method deposition thickness for 2.0 μm of Ti on treated blade base0.45Al0.4Si0.15N；Then it sinks
Product Ti0.45Al0.4Si0.15N/V2O5Surface layer, wherein Ti0.5Al0.3Si0.2N single layer with a thickness of 100nm, V2O5Layer with a thickness of
100nm, the Ti after 20 periods0.5Al0.3Si0.2N/V2O5Surface layer with a thickness of 8.0 μm；The overall thickness of coating is 10.0um.It is right
It is equally to be deposited respectively by common physical gas-phase deposite method commonly using above-mentioned standard milling cutter as blade base according to product
TiAlN coating, then the composite coating blade made from the present embodiment 2 and reference substance carry out the comparison reality of continuous turning stainless steel
It tests, cutting parameter: Vc=160m/min, f=0.3mm/r, ap=1.0mm.Wherein the working durability of TiAlN coated chip is 8
Minute, the working durability of coated chip of the present invention is 13 minutes.The coated chip of composite coating of the invention is in turning stainless steel
When service life be significantly improved than the TiAlN coated chip under the prior art.
Claims (6)
1. a kind of composite coating suitable for carbide chip, which is characterized in that including the Ti being deposited on blade base1-x- yAlxSiyN bottom and with Ti1-x-yAlxSiyN/V2O5For the periodical surface layer of modulation period, wherein 0.3≤x≤0.5,0≤y≤
0.2 and 0.3≤x+y≤0.5；The Ti1-x-yAlxSiyN is face-centred cubic structure.
2. the composite coating according to claim 1 suitable for carbide chip, it is characterised in that: the Ti1-x- yAlxSiyN bottom with a thickness of 0.5 μm~5 μm.
3. the composite coating according to claim 1 suitable for carbide chip, it is characterised in that: the Ti1-x- yAlxSiyN/V2O5Surface layer with a thickness of 1 μm~8 μm.
4. the composite coating according to any one of claim 1-3 suitable for carbide chip, it is characterised in that: institute
State Ti1-x-yAlxSiyN bottom and the Ti1-x-yAlxSiyN/V2O5The thickness summation of surface layer is 2.0 μm~10 μm.
5. the composite coating according to claim 4 suitable for carbide chip, it is characterised in that: in the Ti1-x- yAlxSiyN/V2O5In surface layer, the Ti1-x-yAlxSiyN layers of thickness in monolayer is 20nm~100nm, the V2O5The single monolayer thick of layer
Degree is 50nm~100nm.
6. a kind of preparation method of the composite coating suitable for carbide chip, the preparation method is the following steps are included: first
TiAlSi target depositing Ti is utilized on blade base1-x-yAlxSiyN bottom, then in the Ti1-x-yAlxSiyOn N bottom deposit with
“Ti1-x-yAlxSiyN/V2O5" be a modulation period multicycle coating, repeatedly, until the composite coating total thickness
Degree reaches standard requirements.
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| CN113584439A (en) * | 2021-07-30 | 2021-11-02 | 湖南泰嘉新材料科技股份有限公司 | Coating hobbing cutter for milling teeth of bimetal band saw blade and preparation method and application thereof |
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