CN106591760B - Wear-resisting composite spraying micro mist and wear-resisting composite coating and preparation method thereof - Google Patents
Wear-resisting composite spraying micro mist and wear-resisting composite coating and preparation method thereof Download PDFInfo
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- CN106591760B CN106591760B CN201611216823.3A CN201611216823A CN106591760B CN 106591760 B CN106591760 B CN 106591760B CN 201611216823 A CN201611216823 A CN 201611216823A CN 106591760 B CN106591760 B CN 106591760B
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- wear
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- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
Abstract
The present invention provides a kind of wear-resisting composite spraying micro mist, it includes the raw material of following mass percents: cubic boron nitride composite micro-powder 27%~60%, abrasion-resistant metal auxiliary agent 1%~3%, Co micro mist 37%~70%, wherein the abrasion-resistant metal auxiliary agent is (3~5) by mass ratio: 1 Cr micro mist and Mo micro mist forms；The mass percent of titanium is 3%~8% in the cubic boron nitride composite micro-powder.The present invention also provides a kind of preparation method of wear-resisting composite spraying micro mist and the wear-resisting composite coating as made from the wear-resisting composite spraying micro mist, the preparation method simple processes, it is easy to accomplish automated production；The wear-resisting composite coating wear-resisting property is excellent, strong with basal body binding force, extends the workpiece service life for being coated with the wear-resisting composite coating.
Description
Technical field
The present invention relates to coating technology fields, specifically, relate to a kind of wear-resisting composite spraying micro mist and wear-resisting compound
Coating and preparation method thereof.
Background technique
In industrial manufacturing, many workpiece due to surface concentrated wear, corrosion the problems such as and cause surface failure,
Such as the abrasion of mould steel, the wear problem of mining industry metallurgy industry light plate, the abrasion of thermal power plant inner wall of the pipe, wind turbine
Blade, building materials crushing plant etc. all can cause equipment often to repair even because of the problems such as workpiece surface abrasion, corrosion
It directly scraps, to cause huge economic loss.In the prior art, hot spray process or galvanoplastic are generallyd use in workpiece surface
Coat one layer of such as diamond, cubic boron nitride material superhard wear layer, but due to single diamond, cubic boron nitride and
Wetability is poor between matrix, causes the binding force of coating and matrix weaker, meanwhile, in hot-spraying technique, single cube nitrogen
Change boron micro mist easily to undergo phase transition, and be difficult to form tightly bonding interface with matrix, directly affects the service performance of coating.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, to provide, a kind of inter-layer bonding force is strong, wear resistant corrosion resistant
Performance is good and the good wear-resisting composite spraying micro mist of thermal stability and wear-resisting composite coating and preparation method thereof.
To achieve the goals above, the technical scheme adopted by the invention is that: a kind of wear-resisting composite spraying micro mist, it includes
The raw material of following mass percents:
Cubic boron nitride composite micro-powder 27%~60%, abrasion-resistant metal auxiliary agent 1%~3%, Co micro mist 37%~70%, wherein described
Abrasion-resistant metal auxiliary agent by mass ratio be (3~5): 1 Cr micro mist and Mo micro mist forms, the cubic boron nitride composite micro-powder be by
Made from titanium layer is wrapped on cubic boron nitride micro mist, and the mass percent of titanium is 3% in the cubic boron nitride composite micro-powder
~8%.
Based on above-mentioned, the wear-resisting composite spraying micro mist is through the following steps that obtained:
A kind of cubic boron nitride composite micro-powder is provided first；
Then according to above-mentioned mass ratio that the cubic boron nitride composite micro-powder, the abrasion-resistant metal auxiliary agent and the Co is micro-
Powder carries out being mixed to prepare mixed raw material micro mist；
The mixed raw material micro mist is mixed with deionized water and organic solvent finally, is granulated to obtain mixing bead；
And the mixing bead is sintered 15 min~20min at a temperature of hydrogen atmosphere and 1100 DEG C~1500 DEG C and is made wear-resisting
Composite spraying micro mist.
Based on above-mentioned, the mixed raw material micro mist, the deionized water, the organic solvent mass ratio be 1000:
(800~1200): (1~2).
Based on above-mentioned, the cubic boron nitride composite micro-powder granularity is 5 microns~15 microns.
Based on above-mentioned, the wear-resisting composite spraying powder size is 30 microns~60 microns.
The present invention also provides a kind of preparation method of wear-resisting composite coating, step includes: by above-mentioned wear-resisting composite spraying
Micro mist is sprayed on using low-voltage plasma spraying method and matrix surface is preliminarily sprayed, and wear-resisting composite coating is made.
The present invention also provides one kind wear-resisting composite coating as made from above-mentioned preparation method, which is characterized in that it includes using
In carrying matrix is preliminarily sprayed and being deposited on the wear-resisting composite coating that matrix surface is preliminarily sprayed for wear-resisting composite coating,
In, the matrix that is preliminarily sprayed is cast iron matrix, 45# steel matrix or mould steel matrix.
Based on above-mentioned, the wear-resisting composite coating with a thickness of the mm of 0.5 mm~2.
The present invention has substantive distinguishing features outstanding and significant progress compared with the prior art, and specifically, the present invention adopts
The cubic boron nitride micro mist that Titanium is coated with surface is spraying raw material, utilizes the gold for being plated on cubic boron nitride crystal surface
Belong to titanium and alleviates between single cubic boron nitride and metal matrix material that existing thermal expansion coefficient is big and wellability is poor
Problem, and effectively prevent spraying process cubic boron nitride micro mist and hexagonal structure transformation occurs, remain cubic boron nitride
Distinctive high rigidity, wear-resisting property are good.Meanwhile the technique is using the abrasion-resistant metal auxiliary agent and work being made of Cr micro mist and Mo micro mist
For the metal Co micro mist of metal adhesive, can be sprayed using higher thermal spraying temperature so that metal adhesive melts more
Add and thoroughly given full play to the cementation of metal adhesive, to increase the binding force of coat inside.Simultaneously in a cube nitrogen
Change boron micro mist surface metallization titanium, so that the oxidation-resistance property of wear-resisting composite coating as made from the micro mist is stronger, most
Operation at high temperature can achieve 900 DEG C, considerably increases and is coated with the wearability of the steel surface of the wear-resisting composite coating, reinforces
Equipment surface erosion-resisting ability is to extend the service life of equipment, reduce maintenance cost, improve industrial production efficiency.
Preparation method simple process provided by the present invention, production easy to automate.
Specific embodiment
Below by specific embodiment, technical scheme of the present invention will be described in further detail.
Embodiment 1
A kind of wear-resisting composite spraying micro mist is present embodiments provided, it includes the raw material of following mass percents:
Cubic boron nitride composite micro-powder 60%, abrasion-resistant metal auxiliary agent 3%, Co micro mist 37%, wherein the abrasion-resistant metal auxiliary agent by
The Cr micro mist and Mo micro mist composition that mass ratio is 5:1, the cubic boron nitride composite micro-powder are that titanium layer is wrapped in a cube nitridation
It is obtained on boron micro mist, and the mass percent of titanium is 8% in the cubic boron nitride composite micro-powder.
Above-mentioned wear-resisting composite spraying micro mist is through the following steps that obtained:
Chemical vapor deposition is used first, is to which granularity be made in one layer of layer of titanium metal of cubic boron nitride micro mist coating surface
5 microns~15 microns of cubic boron nitride composite micro-powder；
Then according to above-mentioned mass ratio that the cubic boron nitride composite micro-powder, the abrasion-resistant metal auxiliary agent and the Co is micro-
Powder carries out being mixed to prepare mixed raw material micro mist；
Finally the mixed raw material micro mist, deionized water and organic solvent are carried out according to the mass ratio of 1000:1000:1
Mixing, granulation obtain mixing bead；And 15 min are sintered to the mixing bead at a temperature of hydrogen atmosphere and 1500 DEG C
Afterwards, ground, screening process is to be made the wear-resisting composite spraying micro mist that granularity is 30 microns~40 microns.
The present invention also provides a kind of preparation method of wear-resisting composite coating, step includes: by the wear-resisting composite spraying
Micro mist is sprayed on using low-voltage plasma spraying method and matrix surface is preliminarily sprayed, and the wear-resisting composite coating with a thickness of 2 mm is made,
In, it is described be preliminarily sprayed matrix be 45# steel matrix, the cubic boron nitride composite micro-powder partial size be 5 microns~15 microns.
The present embodiment additionally provides a kind of composite coating wear-resisting as made from above-mentioned preparation method, it includes for carrying
It states the 45# steel matrix of wear-resisting composite coating and is sprayed on the wear-resisting composite coating of the 45# steel surface.
Embodiment 2
A kind of wear-resisting composite spraying micro mist is present embodiments provided, it includes the raw material of following mass percents:
Cubic boron nitride composite micro-powder 50%, abrasion-resistant metal auxiliary agent 1%, Co micro mist 49%, wherein the abrasion-resistant metal auxiliary agent by
The Cr micro mist and Mo micro mist composition that mass ratio is 3:1, the cubic boron nitride composite micro-powder are that titanium layer is wrapped in a cube nitridation
It is obtained on boron micro mist, and the mass percent of titanium is 3% in the cubic boron nitride composite micro-powder.
The present embodiment also provides a kind of preparation method of wear-resisting composite spraying micro mist, the step in specific steps and embodiment 1
It is rapid identical.The present embodiment also provides a kind of preparation method of wear-resisting composite coating, specific steps and the step phase in embodiment 1
Together.
The present embodiment also provides a kind of composite coating wear-resisting as made from above-mentioned preparation method, specific structure and embodiment 1
In wear-resisting composite coating structure it is roughly the same, the difference is that:
The matrix that is preliminarily sprayed is mould steel matrix, and the quality of the Titanium accounts for the cubic boron nitride micro mist quality
3%, the wear-resisting composite coating with a thickness of 1.5mm.
Embodiment 3
A kind of wear-resisting composite spraying micro mist is present embodiments provided, it includes the raw material of following mass percents:
Cubic boron nitride composite micro-powder 27%, abrasion-resistant metal auxiliary agent 3%, Co micro mist 70%, wherein the abrasion-resistant metal auxiliary agent by
The Cr micro mist and Mo micro mist composition that mass ratio is 4:1, the cubic boron nitride composite micro-powder are that titanium layer is wrapped in a cube nitridation
It is obtained on boron micro mist, and the mass percent of titanium is 5% in the cubic boron nitride composite micro-powder.
The present embodiment also provides a kind of preparation method of wear-resisting composite spraying micro mist, the step in specific steps and embodiment 1
It is rapid identical.The present embodiment also provides a kind of preparation method of wear-resisting composite coating, specific steps and the step phase in embodiment 1
Together.
The present embodiment also provides a kind of composite coating wear-resisting as made from above-mentioned preparation method,
Specific structure is roughly the same with the wear-resisting composite coating structure in embodiment 1, the difference is that:
It is described be preliminarily sprayed matrix be cast iron matrix, the Titanium quality account for the cubic boron nitride micro mist quality
5%.The wear-resisting composite coating with a thickness of 1.5mm.
Performance test
Vickers hardness, inter-layer bonding force are carried out, doped with gold to wear-resisting composite coating obtained by Examples 1 to 3 respectively
The hexagonal boron nitride belonged in the cubic boron nitride composite coating of titanium is detected, and testing result is as shown in table 1.By that can be seen in table
Out, the wear-resisting composite coating provided by Examples 1 to 3 all has higher Vickers hardness and stronger inter-layer bonding force,
Hexagonal boron nitride ingredient is found no in the wear-resisting composite coating simultaneously, so that the Titanium for demonstrating coating surface can
To prevent cubic boron nitride micro mist from hexagonal structure phase transformation occurring in spraying process.
The wear-resisting composite coating detection that table 1, Examples 1 to 3 provide
| Vickers hardness | Inter-layer bonding force | Hexagonal boron nitride content | |
| Embodiment 1 | 1950 | 85 Mpa | Nothing |
| Embodiment 2 | 1850 | 80 Mpa | Nothing |
| Embodiment 3 | 1900 | 72 Mpa | Nothing |
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (7)
1. a kind of wear-resisting composite spraying micro mist, which is characterized in that it includes the raw material of following mass percents:
Cubic boron nitride composite micro-powder 27%~60%, abrasion-resistant metal auxiliary agent 1%~3%, Co micro mist 37%~70%, wherein the metal
Antiwear assistant is (3~5) by mass ratio: 1 Cr micro mist and Mo micro mist forms, and the cubic boron nitride composite micro-powder is by titanium layer
Be wrapped on cubic boron nitride micro mist it is obtained, and in the cubic boron nitride composite micro-powder mass percent of titanium be 3%~
8%；
The wear-resisting composite spraying micro mist is through the following steps that obtained: providing a kind of cubic boron nitride composite micro-powder first；
Then the cubic boron nitride composite micro-powder, the abrasion-resistant metal auxiliary agent and the Co micro mist are mixed according to above-mentioned mass ratio
It closes and mixed raw material micro mist is made；The mixed raw material micro mist is mixed with deionized water and organic solvent finally, is granulated
To mixing bead；And at a temperature of hydrogen atmosphere and 1100 DEG C~1500 DEG C by the mixing bead be sintered 15 min~
Wear-resisting composite spraying micro mist is made in 20min.
2. wear-resisting composite spraying micro mist according to claim 1, which is characterized in that the mixed raw material micro mist described is gone
Ionized water, the organic solvent mass ratio be 1000:(800~1200): (1~2).
3. wear-resisting composite spraying micro mist according to claim 1 or 2, which is characterized in that the cubic boron nitride is compound micro-
Powder Particle Size is 5 microns~15 microns.
4. wear-resisting composite spraying micro mist according to claim 3, which is characterized in that the grain of the wear-resisting composite spraying micro mist
Degree is 30 microns~60 microns.
5. a kind of preparation method of wear-resisting composite coating, step includes: that Claims 1 to 4 is described in any item wear-resisting multiple
Conjunction spraying micro mist is sprayed on using low-voltage plasma spraying method is preliminarily sprayed matrix surface, and wear-resisting composite coating is made.
6. wear-resisting composite coating made from a kind of preparation method as described in claim 5, which is characterized in that it includes for holding
Carry matrix is preliminarily sprayed and being deposited on the wear-resisting composite coating that matrix surface is preliminarily sprayed for wear-resisting composite coating, wherein
The matrix that is preliminarily sprayed is cast iron matrix, 45# steel matrix or mould steel matrix.
7. wear-resisting composite coating according to claim 6, which is characterized in that the wear-resisting composite coating with a thickness of 0.5
The mm of mm~2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611216823.3A CN106591760B (en) | 2016-12-26 | 2016-12-26 | Wear-resisting composite spraying micro mist and wear-resisting composite coating and preparation method thereof |
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| CN201611216823.3A CN106591760B (en) | 2016-12-26 | 2016-12-26 | Wear-resisting composite spraying micro mist and wear-resisting composite coating and preparation method thereof |
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| CN106591760A CN106591760A (en) | 2017-04-26 |
| CN106591760B true CN106591760B (en) | 2019-04-02 |
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| CN112593182B (en) * | 2020-12-11 | 2023-07-04 | 沈阳大学 | Method for preparing boron nitride wear-resistant coating by thermal spraying |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101142145A (en) * | 2005-03-16 | 2008-03-12 | 戴蒙得创新股份有限公司 | Wear and texture coatings for components used in manufacturing glass light bulbs |
| CN103290402A (en) * | 2012-02-23 | 2013-09-11 | 财团法人工业技术研究院 | Method for providing protective and thermally conductive coatings |
| CN104357792A (en) * | 2014-11-14 | 2015-02-18 | 北京矿冶研究总院 | Titanium alloy high-temperature oxidation-resistant fretting wear-resistant coating material, coating and preparation method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2005298317A1 (en) * | 2004-10-29 | 2006-05-04 | Element Six (Production) (Pty) Ltd | Cubic boron nitride compact |
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- 2016-12-26 CN CN201611216823.3A patent/CN106591760B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101142145A (en) * | 2005-03-16 | 2008-03-12 | 戴蒙得创新股份有限公司 | Wear and texture coatings for components used in manufacturing glass light bulbs |
| CN103290402A (en) * | 2012-02-23 | 2013-09-11 | 财团法人工业技术研究院 | Method for providing protective and thermally conductive coatings |
| CN104357792A (en) * | 2014-11-14 | 2015-02-18 | 北京矿冶研究总院 | Titanium alloy high-temperature oxidation-resistant fretting wear-resistant coating material, coating and preparation method |
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