CN217651307U - Tool piece - Google Patents
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- CN217651307U CN217651307U CN202122485720.XU CN202122485720U CN217651307U CN 217651307 U CN217651307 U CN 217651307U CN 202122485720 U CN202122485720 U CN 202122485720U CN 217651307 U CN217651307 U CN 217651307U
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- coating
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- composite
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- 238000000576 coating method Methods 0.000 abstract description 133
- 239000011248 coating agent Substances 0.000 abstract description 125
- 239000011247 coating layer Substances 0.000 abstract description 43
- 239000002131 composite material Substances 0.000 abstract description 28
- 239000010410 layer Substances 0.000 abstract description 18
- 230000007704 transition Effects 0.000 abstract description 18
- 239000000758 substrate Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 29
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical group [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 14
- 238000000151 deposition Methods 0.000 description 13
- 230000008021 deposition Effects 0.000 description 13
- 239000007789 gas Substances 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- 230000008020 evaporation Effects 0.000 description 11
- 238000001704 evaporation Methods 0.000 description 11
- 229910052786 argon Inorganic materials 0.000 description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- CXOWYMLTGOFURZ-UHFFFAOYSA-N azanylidynechromium Chemical compound [Cr]#N CXOWYMLTGOFURZ-UHFFFAOYSA-N 0.000 description 2
- 229910000423 chromium oxide Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The present application relates to tool pieces and coating structures therefor. A tool piece according to some embodiments of the present application includes a substrate, a transition layer, and a composite coating, wherein the transition layer is disposed on a surface of the substrate and the composite coating is disposed on a surface of the transition layer. The composite coating comprises: the composite coating comprises a first coating layer, a second coating layer, a third coating layer, a fourth coating layer, a fifth coating layer and a sixth coating layer, wherein the first coating layer, the second coating layer, the third coating layer, the fourth coating layer, the fifth coating layer and the sixth coating layer are sequentially arranged from the base material to the surface direction of the composite coating layer, and the hardness of the first coating layer, the second coating layer, the third coating layer, the fourth coating layer, the fifth coating layer and the sixth coating layer is sequentially increased. The composite coating can optimize the structure of the coating, has the characteristics of small grain size and compact and fine coating, and is particularly suitable for being used in a corrosive and wear-resistant environment.
Description
Technical Field
The present application relates to the field of coatings, and more particularly, to a tool piece having a composite coating.
Background
In the field of industrial manufacturing, with the increasing awareness of environmental protection, the improvement of the use and performance of the tool pieces to improve the service life of the tool pieces and reduce the generation of industrial consumables is one of the main research directions in the field.
In general industrial production, one of the main causes of tool part damage is surface wear and corrosion of its base material, and one of the main solutions is to provide a coating on the surface of the tool part base material. However, the current coatings still suffer from breakage in a highly corrosive and wear resistant environment.
Therefore, there are many technical problems to be solved in the art how to improve the bonding strength and corrosion and wear resistance of the coating.
SUMMERY OF THE UTILITY MODEL
It is an object of embodiments of the present invention to provide a tool component having a composite coating with a gradient feed hardness that optimizes the coating structure, exhibits fine grain size and a dense and fine coating, and is particularly suitable for use in corrosive and wear resistant environments.
In some embodiments, the present application provides a tool piece comprising a substrate, a transition layer, and a composite coating, wherein the transition layer is disposed on a surface of the substrate and the composite coating is disposed on a surface of the transition layer. The composite coating comprises: the composite coating comprises a first coating layer, a second coating layer, a third coating layer, a fourth coating layer, a fifth coating layer and a sixth coating layer, wherein the first coating layer, the second coating layer, the third coating layer, the fourth coating layer, the fifth coating layer and the sixth coating layer are sequentially arranged from the base material to the surface direction of the composite coating layer, and the hardness of the first coating layer, the second coating layer, the third coating layer, the fourth coating layer, the fifth coating layer and the sixth coating layer is sequentially increased.
In some embodiments, the thickness of the first coating, the thickness of the second coating, the thickness of the third coating, the thickness of the fourth coating, the thickness of the fifth coating, and the thickness of the sixth coating are less than or equal to 1 μ ι η.
In some embodiments, the transition layer is a chromium metal coating.
In some embodiments, the first coating has a hardness of 1600HV to 1850HV.
In some embodiments, the hardness of the second coating is 1850HV to 2100HV.
In some embodiments, the hardness of the third coating is 2100HV to 2400HV.
In some embodiments, the hardness of the fourth coating is from 2400HV to 2700HV.
In some embodiments, the hardness of the fifth coating is 2700HV to 2900HV.
In some embodiments, the hardness of the sixth coating is 2900HV to 3100HV.
In some embodiments, the first coating is chromium nitride.
In some embodiments, the sixth coating is chromium oxide.
According to the tool piece provided by the embodiment of the application, the grain structure of the coating can be optimized by arranging the composite coating with the gradient feeding hardness, so that the stress distribution of different coatings in the composite coating is optimized. Therefore, the tool piece provided by the application has good corrosion resistance and wear resistance.
Additional aspects and advantages provided by embodiments of the present application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of embodiments of the present application.
Drawings
Drawings necessary for describing embodiments of the present application or the prior art will be briefly described below in order to describe the embodiments of the present application. It is to be understood that the drawings in the following description are only some of the embodiments of the present application. It will be apparent to those skilled in the art that other embodiments of the drawings can be obtained from the structures illustrated in these drawings without the need for inventive work.
FIG. 1 is a schematic longitudinal cross-sectional view of a tooling member according to an embodiment of the present application.
Detailed Description
Embodiments of the present application will be described in detail below. Throughout the specification of the present application, the same or similar components and components having the same or similar functions are denoted by like reference numerals. The embodiments described herein with respect to the figures are illustrative in nature, are diagrammatic in nature, and are used to provide a basic understanding of the present application. The embodiments of the present application should not be construed as limiting the present application.
As used herein, the terms "about", "substantially", "essentially" are used to describe and describe small variations. When used in conjunction with an event or circumstance, the terms can refer to instances where the event or circumstance occurs precisely as well as instances where the event or circumstance occurs in close proximity. For example, when used in conjunction with numerical values, the terms can refer to a range of variation of less than or equal to ± 10% of the numerical value, such as less than or equal to ± 5%, less than or equal to ± 0.5%, or less than or equal to ± 0.05%. For example, two numerical values may be considered "substantially" the same if the difference between the two values is less than or equal to ± 10% of the mean of the values.
Moreover, for convenience in description, "first," "second," "third," etc. may be used herein to distinguish between different elements of a figure or series of figures. "first," "second," "third," etc. are not intended to describe corresponding components.
FIG. 1 is a schematic longitudinal cross-sectional view of a tooling member according to an embodiment of the present application.
As shown in fig. 1, a tool piece 10 according to an embodiment of the present application can include: a substrate 100, a transition layer 101, and a composite coating 102, wherein the composite coating 102 further comprises: first coating 1021, second coating 1022, third coating 1023, fourth coating 1024, fifth coating 1025, and sixth coating 1026.
The tool 10 may be any suitable commercially manufactured component in the art without limitation. The substrate 100 may be any suitable industrial material in the art without departing from the spirit of the present application and is not limited thereto. In some embodiments, the tooling member 10 is a lithium battery coater die.
The transition layer 101 is disposed on the surface of the substrate 100 to improve the bonding force between the substrate 100 and the composite coating 102. In some embodiments, the transition layer 101 may be a metal coating as is common in the art, such as, but not limited to, chromium metal. In some embodiments, the thickness of the transition layer 101 is less than or equal to about 1 μm. In some embodiments, the transition layer 101 can cover all or a portion of the surface of the substrate 100 of the tool piece 10. In some embodiments, the transition layer 101 is chromium metal and the hardness of the transition layer is 800HV to 1000HV to optimize the stress distribution of the coating structure. In some embodiments, the hardness of the transition layer is 900HV.
The composite coating 102 is disposed on a surface of the transition layer 101. The first coating 1021, the second coating 1022, the third coating 1023, the fourth coating 1024, the fifth coating 1025 and the sixth coating 1026 in the composite coating 102 are sequentially arranged from the substrate 100 to the composite coating 102, and the hardness of the first coating 1021, the second coating 1022, the third coating 1023, the fourth coating 1024, the fifth coating 1025 and the sixth coating 1026 is sequentially increased) so as to optimize the stress distribution of the coating structure. In some embodiments, the hardness of the first coating 1021 is 1600HV to 1850HV. In some embodiments, the hardness of second coating 1022 is 1850HV to 2100HV. In some embodiments, the hardness of the third coating 1023 is 2100HV to 2400HV. In some embodiments, the hardness of the fourth coating 1024 is 2400HV to 2700HV. In some embodiments, the hardness of fifth coating 1025 is 2700HV to 2900HV. In some embodiments, the hardness of the sixth coating 1026 is 2900HV to 3100HV. In some embodiments, the first coating 1021 has a hardness of 1800HV. In some embodiments, the hardness of second coating 1022 is 1950HV. In some embodiments, the hardness of the third coating 1023 is 2200HV. In some embodiments, the hardness of the fourth coating 1024 is 2650HV. In some embodiments, the hardness of fifth coating 1025 is 2800HV. In some embodiments, the hardness of sixth coating 1026 is 3000HV.
In some embodiments, the thickness of individual coatings (i.e., first coating 1021, second coating 1022, third coating 1023, fourth coating 1024, fifth coating 1025, and sixth coating 1026) in composite coating 102 is less than or equal to about 1 μm, such that each coating exhibits a fine grain size, with the coatings being dense and fine. In some embodiments, first coating 1021, second coating 1022, third coating 1023, fourth coating 1024, fifth coating 1025, and sixth coating 1026 are of uniform thickness.
In some embodiments, the composite coating 102 is a chromium oxynitride material: cr x O y N 1-x-y Wherein the material compositions of the first coating 1021, the second coating 1022, the third coating 1023, the fourth coating 1024, the fifth coating 1025 and the sixth coating 1026 are distributed in a stepped shape, so as to optimize the gradient feeding hardness of each coating and simplify the preparation process of the composite coating. In some embodiments, the first coating is chromium nitride. In some embodiments, the second coating is chromium oxide. It is understood that the coating material may be any suitable coating material in the art without limitation thereto without departing from the spirit of the present application.
Composite coatings with gradient feed hardness in the tool pieces of the present application can be performed by physical vapor deposition. In some embodiments, the coating is prepared as follows: a chromium metal target with the purity of 99.99 percent is adopted, the target corresponds to a hollow cathode electron gun evaporation source, and a filament auxiliary ionization source is arranged 10cm above the evaporation source. Putting a tool piece to be coated into a deposition cavity, and sequentially coating coatings with different coating component ratios by adjusting the current of a hollow cathode electron gun evaporation source, the current of a filament auxiliary ionization source and the air pressure, nitrogen and oxygen flow in the deposition cavity to form a composite coating with gradient feeding hardness.
In some embodiments, coatings of different coating composition ratios require different filament auxiliary sources.
In some embodiments, the current to the evaporation source of the hollow cathode electron gun is from 100A to 180A.
In some embodiments, the current of the filament-assisted ionization source is 20A to 80A.
In some embodiments, the pressure in the deposition chamber is 1Pa to 5Pa.
In some embodiments, the flow rate of nitrogen gas in the deposition chamber is 0sccm to 500sccm.
In some embodiments, the flow rate of oxygen in the deposition chamber is 0sccm to 500sccm.
The following is a list of some specific examples to better illustrate the technical solution of the present application.
Example 1
Preparing a coating:
transition layer: using a chromium metal target with a purity of 99.99%, a tool piece to be coated (e.g., a die) was placed in the deposition chamber, and the current of the hollow cathode electron gun evaporation source was adjusted: 110A, current of filament auxiliary ionization source: 20A, the gas environment in the deposition cavity is argon, and the gas pressure is 0.8Pa. The target was then opened to coat and form a transition layer with a thickness of 1 μm.
A first coating layer: adjusting the current of the evaporation source of the hollow cathode electron gun: 115A, current of filament auxiliary ionization source: 30A, the gas environment in the deposition chamber is argon and nitrogen, the partial pressure of the nitrogen is 0.8Pa, and the flow rate of the nitrogen is 500sccm. The target was then opened to apply a first coating layer having a thickness of 1 μm.
And (3) second coating: adjusting the current of the evaporation source of the hollow cathode electron gun: 120A, current of the filament auxiliary ionization source: 30A, the gas atmosphere in the deposition chamber is argon, oxygen and nitrogen, the gas pressure is 1Pa, and the nitrogen flow rate is 400sccm and the oxygen flow rate is 100sccm. The target was then opened to apply a second coating layer having a thickness of 1 μm.
And (3) third coating: adjusting the current of the evaporation source of the hollow cathode electron gun: 125A, current of filament auxiliary ionization source: 30A, the gas atmosphere in the deposition chamber is argon, oxygen and nitrogen, the gas pressure is 1Pa, and the nitrogen flow rate is 400sccm and the oxygen flow rate is 150sccm. The target was then opened to apply a third coating having a thickness of 1 μm.
And (3) fourth coating: adjusting the current of the evaporation source of the hollow cathode electron gun: 130A, current of filament auxiliary ionization source: 35A, the gas atmosphere in the deposition chamber is argon, oxygen and nitrogen, the gas pressure is 1Pa, and the nitrogen flow rate is 350sccm and the oxygen flow rate is 250sccm. The target was then opened to apply a fourth coating having a thickness of 1 μm.
And a fifth coating: adjusting the current of the evaporation source of the hollow cathode electron gun: 135A, current of filament auxiliary ionization source: and 60A, the gas environment in the deposition chamber is argon, oxygen and nitrogen, the gas pressure is 1Pa, and the nitrogen flow rate is 100sccm and the oxygen flow rate is 350sccm. The target was then opened to apply a fifth coating layer having a thickness of 1 μm.
A sixth coating: adjusting the current of the evaporation source of the hollow cathode electron gun: 140A, current of filament auxiliary ionization source: and 60A, the gas environment in the deposition chamber is argon, oxygen and nitrogen, the gas pressure is 1Pa, and the nitrogen flow rate is 0sccm and the oxygen flow rate is 500sccm. The target was then opened to apply a sixth coating layer having a thickness of 1 μm.
The material compositions and the hardness of the first coating, the second coating, the third coating, the fourth coating, the fifth coating and the sixth coating are shown in the following table 1.
TABLE 1
Compared with the existing single-layer coating, the composite coating with the gradient feeding hardness has better abrasion resistance and corrosion resistance performance under the condition of the same total thickness. Simultaneously, because its gradient coating structure of optimizing, the composite coating of this application is difficult to drop, consequently has longer coating life-span.
The technical content and technical features of the present application have been disclosed as above, however, one skilled in the art may make various substitutions and modifications based on the teaching and disclosure of the present application without departing from the spirit of the present application. Therefore, the protection scope of the present application should not be limited to the disclosure of the embodiments, but should include various alternatives and modifications without departing from the scope of the present application, which is encompassed by the claims of the present application.
Claims (11)
1. A tool piece, comprising:
a substrate;
a transition layer disposed on a surface of the substrate;
a composite coating disposed on a surface of the transition layer, wherein the composite coating comprises:
a first coating layer;
a second coating layer;
a third coating layer;
a fourth coating layer;
a fifth coating layer; and
a sixth coating, wherein the first coating, the second coating, the third coating, the fourth coating, the fifth coating, and the sixth coating are sequentially disposed from the substrate toward the surface of the composite coating, and the first coating, the second coating, the third coating, the fourth coating, the fifth coating, and the sixth coating are of a chromium oxynitride material, wherein the hardness of the first coating, the second coating, the third coating, the fourth coating, the fifth coating, and the sixth coating increases in sequence.
2. The tool piece of claim 1, wherein the thickness of the first coating, the thickness of the second coating, the thickness of the third coating, the thickness of the fourth coating, the thickness of the fifth coating, and the thickness of the sixth coating are less than or equal to 1 μ ι η.
3. A tool piece as claimed in claim 1, wherein the transition layer is a chromium metal coating.
4. A tool piece according to claim 1, wherein the hardness of the first coating is 1600HV to 1850HV.
5. A tool piece according to claim 1, wherein the hardness of the second coating is 1850HV to 2100HV.
6. A tool piece according to claim 1, wherein the hardness of the third coating is 2100 to 2400HV.
7. A tool piece according to claim 1, wherein the hardness of the fourth coating is 2400HV to 2700HV.
8. A tool element according to claim 1, wherein the hardness of the fifth coating is from 2700HV to 2900HV.
9. A tool piece according to claim 1, wherein the hardness of the sixth coating is from 2900HV to 3100HV.
10. A tool piece as claimed in claim 1, wherein the first coating is chromium nitride.
11. A tool piece as claimed in claim 1, wherein the sixth coating is chromium oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122485720.XU CN217651307U (en) | 2021-10-15 | 2021-10-15 | Tool piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122485720.XU CN217651307U (en) | 2021-10-15 | 2021-10-15 | Tool piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217651307U true CN217651307U (en) | 2022-10-25 |
Family
ID=83660993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122485720.XU Active CN217651307U (en) | 2021-10-15 | 2021-10-15 | Tool piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217651307U (en) |
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2021
- 2021-10-15 CN CN202122485720.XU patent/CN217651307U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230105 Address after: 314200 No. 1661 Xingping Second Road, Pinghu Economic and Technological Development Zone, Jiaxing City, Zhejiang Province Patentee after: Nashi new materials Co.,Ltd. Patentee after: DONGGUAN HANJING NANO MATERIALS Ltd. Address before: 314200 No. 1661 Xingping Second Road, Pinghu Economic and Technological Development Zone, Jiaxing City, Zhejiang Province Patentee before: Nashi new materials Co.,Ltd. |
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| TR01 | Transfer of patent right |