CN112795212A - High-performance corrosion-resistant coating and preparation method thereof - Google Patents

High-performance corrosion-resistant coating and preparation method thereof Download PDF

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CN112795212A
CN112795212A CN202011597945.8A CN202011597945A CN112795212A CN 112795212 A CN112795212 A CN 112795212A CN 202011597945 A CN202011597945 A CN 202011597945A CN 112795212 A CN112795212 A CN 112795212A
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resistant coating
performance corrosion
corrosion
coating
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张涛
马春印
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Guangzhou Institute For Advanced Material University Of Science & Technology Beijing
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • C09D5/10Anti-corrosive paints containing metal dust
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/32Radiation-absorbing paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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    • C09D7/65Additives macromolecular

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  • Laser Beam Processing (AREA)

Abstract

The invention relates to a high-performance corrosion-resistant coating and a preparation method thereof, wherein the high-performance corrosion-resistant coating is formed by laser cladding of high-performance corrosion-resistant coating precoating slurry, and the high-performance corrosion-resistant coating precoating slurry comprises the following raw materials in parts by weight: 20-90 parts of metal alloy powder, 10-40 parts of light absorbent, 1-10 parts of coating agent, 1-10 parts of binder, 0.1-5 parts of surfactant and 1-10 parts of deionized water, wherein the deionized water comprises a Cr compound, a Ni compound, a Fe compound, a Mo compound and a Ce compound, and the Cr compound comprises Cr3C2The compound of Ce includes CeO2(ii) a The metal alloy powder comprises the following elements in percentage by mass: 40 to 60 percent of Cr; fe 3% & gt5 percent; c3% -7%; 0.06 percent to 0.10 percent of Mo; 0.8-1.02% of Ce; the balance being Fe. The high-performance corrosion-resistant coating has the advantages of excellent wear resistance and corrosion resistance, and the preparation method is reasonable in process setting, simple to operate, high in production efficiency and beneficial to industrial large-scale application.

Description

High-performance corrosion-resistant coating and preparation method thereof
Technical Field
The invention relates to the technical field of metal surface treatment, in particular to a high-performance corrosion-resistant coating and a preparation method thereof.
Background
The metal material is called as industrial skeleton, is a foundation stone for industrial development in China, and has wide application in various industries. However, the metal material will be corroded to different degrees under the influence of the environment and the service time, thereby causing the performance to be reduced. Particularly, the corrosion is easy to generate in complex working condition environments such as high-temperature, high-stress and high-abrasion petroleum, chemical engineering, metallurgy, ocean and the like, and huge economic loss and serious environmental pollution can be caused.
In practice, the application of suitable coatings to the surface of a substrate is an effective way to meet the requirements of corrosion resistance of the material, while reducing the cost of the product. The nickel-based alloy has high hardness, good wear resistance and corrosion resistance due to good physical and chemical properties, and becomes one of the best selection materials for preparing the coating. The nickel-based alloy coating is prepared to effectively protect the base metal from wear and corrosion.
The traditional coating preparation process has low heat control accuracy and efficiency, and serious thermal deformation of a substrate, which causes serious cracking of a nickel-based alloy coating and further causes deterioration of corrosion resistance and abrasion resistance of the coating. Therefore, it is desirable to provide a new process for preparing nickel-based material coatings to meet the actual production requirements.
Disclosure of Invention
In view of this, an object of the present invention is to provide a high-performance corrosion-resistant coating having advantages of excellent wear resistance and corrosion resistance.
The high-performance corrosion-resistant coating is formed by laser cladding of high-performance corrosion-resistant coating precoating slurry, wherein the high-performance corrosion-resistant coating precoating slurry comprises the following raw materials in parts by weight:
Figure BDA0002868575850000011
wherein the metal alloy powder is nickel-based alloy comprising Cr compound, Ni compound, Fe compound, Mo compound and Si compound, wherein the Cr compound comprises Cr3C2The compound of Ce includes CeO2(ii) a The metal alloy powder comprises the following elements in percentage by mass: 40 to 60 percent of Cr; 3 to 5 percent of Fe; c3% -7%; mo is 0.06 percent-0.10%; 0.8-1.02% of Si; the balance being Fe.
Further, the light absorbing agent is nano TiO2And/or nano ZnO.
Further, the coating agent is polyethylene glycol.
Further, the binder is polyvinyl alcohol.
Further, the surfactant is polyoxyethylene octyl phenol ether-10.
In addition, the embodiment of the invention also provides a preparation method of the high-performance corrosion-resistant coating, which comprises the following specific operation steps:
s1, preparing the high-performance corrosion-resistant coating precoating slurry;
s2, grinding the surface of the workpiece to be coated with the coating, and cleaning the workpiece with cleaning liquid;
s3, uniformly coating the high-performance corrosion-resistant coating precoating slurry prepared in the step S1 on the surface of the workpiece obtained in the step S2;
and S4, irradiating and scanning the surface of the workpiece obtained in the step S3 by using the laser beam generated by the laser according to preset laser cladding parameters and a scanning mode, and thus forming the high-performance corrosion-resistant coating on the surface of the workpiece.
Further, the step S1 includes the following specific operation steps:
s11, weighing deionized water and a binder according to the formula ratio, putting the deionized water into dispersing equipment, adding the binder while stirring, and continuously stirring until the binder is completely dissolved;
s12, weighing the coating agent, the light absorbent, the surfactant and the metal alloy powder according to the formula ratio, sequentially putting the materials into the dispersing equipment, and fully grinding and dispersing for 20-30 min to obtain the high-performance corrosion-resistant coating precoating slurry.
Further, in the step S4, the power of the laser is 1000-3000W, and the scanning speed is 8-50 mm/S; the scanning mode is single-layer strip-shaped reciprocating scanning, the included angle between the upper layer and the lower layer of scanning channels is 50-70 degrees, and the distance between the adjacent scanning channels is 0.8-2 mm.
Further, the step S4 is performed under the protection of an inert gas, where the inert gas is one of nitrogen and argon, and the flow rate of the inert gas is 8 to 20L/min.
Further, step S4 includes grinding and polishing the surface of the laser-clad workpiece.
According to the high-performance corrosion-resistant coating provided by the embodiment of the invention, the pre-coating slurry is prepared by using nickel-based metal alloy powder as a raw material, polyvinyl alcohol as a binder and polyethylene glycol as a coating agent by a laser cladding method, the prepared high-performance corrosion-resistant coating has better wear resistance and corrosion resistance, and further nano zinc oxide/nano titanium oxide is used as a light absorber, the higher laser absorption efficiency is utilized, the energy distribution is uniform, the surface of a base material and the high-performance corrosion-resistant coating pre-coating slurry are ensured to be fully melted in the laser cladding process, the metallurgical bonding is achieved, and the cracking risk between the coating and the base is avoided; in addition, a certain amount of CeO is added into the nickel-based metal alloy2The method can refine coating grains, purify grain boundaries, improve the morphology of the prepared coating structure, make the coating structure uniform and compact, reduce the defects of loose coating structure, air holes, cracks and the like, and improve the corrosion resistance of the coating. The coating is popularized and applied to the field of corrosion resistance of industrial metal structures, the service life of a base material in a harsh environment can be prolonged, the problem of industrial corrosion is solved, the production cost can be effectively reduced, and the economic benefit of an enterprise is improved.
The preparation method of the high-performance corrosion-resistant coating provided by the embodiment of the invention is reasonable in process setting, simple to operate and high in production efficiency, and is beneficial to industrial large-scale application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited by the examples disclosed below.
Example 1
The embodiment 1 of the invention provides a high-performance corrosion-resistant coating which is formed by laser cladding of high-performance corrosion-resistant coating precoating slurry, wherein the high-performance corrosion-resistant coating precoating slurry comprises the following raw materials in parts by weight: 20 parts of metal alloy powder, 10 parts of light absorbent, 1 part of coating agent, 1 part of binder, 0.1 part of surfactant and 1 part of deionized water.
Wherein the metal alloy powder is nickel-based alloy and comprises Cr compounds, Ni compounds, Fe compounds, Mo compounds and Ce compounds, wherein the Cr compounds comprise Cr3C2The compound of Ce includes CeO2(ii) a The metal alloy powder comprises the following elements in percentage by mass: 40% of Cr; fe 3 percent; c3 percent; mo is 0.06 percent; ce 0.8; the balance being Fe. The particle size of the metal alloy powder is 100 meshes.
The light absorbent is nano TiO2The coating agent is polyethylene glycol, the binder is polyvinyl alcohol, and the surfactant is polyoxyethylene octyl phenol ether-10.
Example 2
The embodiment 2 of the invention provides a high-performance corrosion-resistant coating which is formed by laser cladding of high-performance corrosion-resistant coating precoating slurry, wherein the high-performance corrosion-resistant coating precoating slurry comprises the following raw materials in parts by weight: the light absorbing coating comprises metal alloy powder 90, a light absorbing agent 40, a coating agent 10, a bonding agent 10, a surfactant 5 and deionized water 10.
Wherein the metal alloy powder is nickel-based alloy and comprises Cr compounds, Ni compounds, Fe compounds, Mo compounds and Ce compounds, wherein the Cr compounds comprise Cr3C2The compound of Ce includes CeO2(ii) a The metal alloy powder comprises the following elements in percentage by mass: 60% of Cr; fe 5 percent; c7%; 0.10 percent of Mo; 1.02% of Ce; the balance being Fe. The particle size of the metal alloy powder is 200 meshes.
The light absorbing agent is nano ZnO, the coating agent is polyethylene glycol, the binder is polyvinyl alcohol, and the surfactant is polyoxyethylene octyl phenol ether-10.
Example 3
The embodiment 3 of the invention provides a high-performance corrosion-resistant coating which is formed by laser cladding of high-performance corrosion-resistant coating precoating slurry, wherein the high-performance corrosion-resistant coating precoating slurry comprises the following raw materials in parts by weight: the light-absorbing coating comprises metal alloy powder 40, a light absorber 20, a coating agent 3, a binder 3, a surfactant 2 and deionized water 3.
Wherein the metal alloy powder is nickel-based alloy comprising Cr compound, Ni compound, Fe compound, Mo compound and Si compound, wherein the Cr compound comprises Cr3C2(ii) a The metal alloy powder comprises the following elements in percentage by mass: 50% of Cr; 4 percent of Fe; c5%; mo is 0.08 percent; 1.0 percent of Si; the balance being Fe.
The light absorbent is nano TiO2And nano ZnO according to the mass ratio of 1: 1, the coating agent is polyethylene glycol, the binder is polyvinyl alcohol, and the surfactant is polyoxyethylene octyl phenol ether-10.
Example 4
The embodiment 4 of the invention provides a high-performance corrosion-resistant coating, which is formed by laser cladding of high-performance corrosion-resistant coating precoating slurry, wherein the high-performance corrosion-resistant coating precoating slurry comprises the following raw materials in parts by weight: 60 parts of metal alloy powder, 30 parts of light absorbent, 8 parts of coating agent, 8 parts of binder, 4 parts of surfactant and 8 parts of deionized water.
Wherein the metal alloy powder is nickel-based alloy and comprises Cr compounds, Ni compounds, Fe compounds, Mo compounds and Ce compounds, wherein the Cr compounds comprise Cr3C2The compound of Ce includes CeO2(ii) a The metal alloy powder comprises the following elements in percentage by mass: 40% of Cr; fe 3 percent; c3 percent; mo is 0.06 percent; ce 0.8; the balance being Fe. The metal alloyThe particle size of the gold powder was 100 mesh.
The light absorbent is nano TiO2And nano ZnO according to the mass ratio of 2: 1, the coating agent is polyethylene glycol, the binder is polyvinyl alcohol, and the surfactant is polyoxyethylene octyl phenol ether-10.
Example 5
The embodiment 5 of the invention provides a preparation method of a high-performance corrosion-resistant coating, which comprises the following specific operation steps:
s1, preparing the high-performance corrosion-resistant coating precoating slurry;
s11, weighing deionized water and a binder according to the formula ratio, putting the deionized water into dispersing equipment, adding the binder while stirring, and continuously stirring until the binder is completely dissolved;
s12, weighing the coating agent, the light absorbent, the surfactant and the metal alloy powder according to the formula ratio, sequentially putting the materials into the dispersion equipment, and fully grinding and dispersing for 20min to obtain the high-performance corrosion-resistant coating precoating slurry;
s2, grinding the surface of the workpiece to be coated with the coating, and cleaning the workpiece with cleaning liquid;
s3, uniformly coating the high-performance corrosion-resistant coating precoating slurry prepared in the step S1 on the surface of the workpiece obtained in the step S2;
and S4, irradiating and scanning the surface of the workpiece obtained in the step S3 by using the laser beam generated by the laser according to preset laser cladding parameters and a scanning mode, and then grinding and polishing the surface of the workpiece subjected to laser cladding, so that the high-performance corrosion-resistant coating can be formed on the surface of the workpiece.
Specifically, as an optional implementation manner, in this embodiment, the step S4 is performed under the protection of an inert gas, where the inert gas is nitrogen, and the flow rate of the inert gas is 8L/min; the power of the laser is 1000W, and the scanning speed is 8 mm/s; the scanning mode is single-layer strip-shaped reciprocating scanning, the included angle between the upper layer scanning track and the lower layer scanning track is 50 degrees, and the distance between the adjacent scanning tracks is 0.8 mm.
Examples6
Embodiment 6 of the present invention provides a preparation method of a high performance corrosion-resistant coating, which comprises the following specific operation steps:
s1, preparing the high-performance corrosion-resistant coating precoating slurry;
s11, weighing deionized water and a binder according to the formula ratio, putting the deionized water into dispersing equipment, adding the binder while stirring, and continuously stirring until the binder is completely dissolved;
s12, weighing the coating agent, the light absorbent, the surfactant and the metal alloy powder according to the formula ratio, sequentially putting the materials into the dispersion equipment, and fully grinding and dispersing for 30min to obtain the high-performance corrosion-resistant coating precoating slurry;
s2, grinding the surface of the workpiece to be coated with the coating, and cleaning the workpiece with cleaning liquid;
s3, uniformly coating the high-performance corrosion-resistant coating precoating slurry prepared in the step S1 on the surface of the workpiece obtained in the step S2;
and S4, irradiating and scanning the surface of the workpiece obtained in the step S3 by using the laser beam generated by the laser according to preset laser cladding parameters and a scanning mode, and then grinding and polishing the surface of the workpiece subjected to laser cladding, so that the high-performance corrosion-resistant coating can be formed on the surface of the workpiece.
Specifically, as an alternative implementation manner, in this embodiment, the step S4 is performed under the protection of an inert gas, where the inert gas is helium, and the flow rate of the inert gas is 20L/min; the power of the laser is 3000W, and the scanning speed is 50 mm/s; the scanning mode is single-layer strip-shaped reciprocating scanning, the included angle between the upper layer scanning track and the lower layer scanning track is 70 degrees, and the distance between the adjacent scanning tracks is 2 mm.
Example 7
Embodiment 7 of the present invention provides a preparation method of a high performance corrosion-resistant coating, which comprises the following specific operation steps:
s1, preparing the high-performance corrosion-resistant coating precoating slurry;
s11, weighing deionized water and a binder according to the formula ratio, putting the deionized water into dispersing equipment, adding the binder while stirring, and continuously stirring until the binder is completely dissolved;
s12, weighing the coating agent, the light absorbent, the surfactant and the metal alloy powder according to the formula ratio, sequentially putting the materials into the dispersion equipment, and fully grinding and dispersing for 25min to obtain the high-performance corrosion-resistant coating precoating slurry;
s2, grinding the surface of the workpiece to be coated with the coating, and cleaning the workpiece with cleaning liquid;
s3, uniformly coating the high-performance corrosion-resistant coating precoating slurry prepared in the step S1 on the surface of the workpiece obtained in the step S2;
and S4, irradiating and scanning the surface of the workpiece obtained in the step S3 by using the laser beam generated by the laser according to preset laser cladding parameters and a scanning mode, and then grinding and polishing the surface of the workpiece subjected to laser cladding, so that the high-performance corrosion-resistant coating can be formed on the surface of the workpiece.
Specifically, as an alternative implementation manner, in this embodiment, the step S4 is performed under the protection of an inert gas, where the inert gas is helium, and the flow rate of the inert gas is 15L/min; the power of the laser is 2000W, and the scanning speed is 20 mm/s; the scanning mode is single-layer strip-shaped reciprocating scanning, the included angle between the upper layer scanning track and the lower layer scanning track is 60 degrees, and the distance between the adjacent scanning tracks is 1.2 mm.
The high-performance corrosion-resistant coating prepared by the method of laser cladding with the precoating slurry prepared by using nickel-based metal alloy powder as a raw material, polyvinyl alcohol as a binder and polyethylene glycol as a coating agent in embodiments 1-4 of the invention has good wear resistance and corrosion resistance, and further uses nano zinc oxide/nano titanium oxide as a light absorber, utilizes the high laser absorption efficiency and uniform energy distribution, ensures the sufficient melting of the surface of a base material and the high-performance corrosion-resistant coating slurry in the laser cladding process, achieves metallurgical bonding, and avoids the cracking risk between the coating and the base; in addition, a certain amount of CeO is added into the nickel-based metal alloy2Can refine coating crystalsThe grain boundary is purified, the texture appearance of the prepared coating is improved, the texture of the coating is uniform and compact, the defects of loose texture, air holes, cracks and the like of the coating are reduced, and the corrosion resistance of the coating is improved. The coating is popularized and applied to the field of corrosion resistance of industrial metal structures, the service life of a base material in a harsh environment can be prolonged, the problem of industrial corrosion is solved, the production cost can be effectively reduced, and the economic benefit of an enterprise is improved.
The preparation method of the high-performance corrosion-resistant coating disclosed by the embodiments 5-7 of the invention is reasonable in process setting, simple to operate, high in production efficiency and beneficial to industrial large-scale application.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (10)

1. The high-performance corrosion-resistant coating is characterized by being formed by laser cladding of high-performance corrosion-resistant coating precoating slurry, wherein the high-performance corrosion-resistant coating precoating slurry comprises the following raw materials in parts by weight:
Figure FDA0002868575840000011
wherein the metal alloy powder is nickel-based alloy and comprises Cr compounds, Ni compounds, Fe compounds, Mo compounds and Ce compounds, wherein the Cr compounds comprise Cr3C2The compound of Ce includes CeO2(ii) a The metal alloy powder comprises the following elements in percentage by mass: 40 to 60 percent of Cr; 3 to 5 percent of Fe; c3% -7%; 0.06 percent to 0.10 percent of Mo; 0.8-1.02% of Ce; the balance being Fe.
2. The high performance corrosion-resistant coating of claim 1A layer characterized by: the light absorbent is nano TiO2And/or nano ZnO.
3. The high performance corrosion-resistant coating of claim 1, wherein: the coating agent is polyethylene glycol.
4. The high performance corrosion-resistant coating of claim 1, wherein: the binder is polyvinyl alcohol.
5. The high performance corrosion-resistant coating of claim 1, wherein: the surfactant is polyoxyethylene octyl phenol ether-10.
6. The preparation method of the high-performance corrosion-resistant coating according to any one of claims 1 to 5, characterized by comprising the following specific operation steps:
s1, preparing the high-performance corrosion-resistant coating precoating slurry;
s2, grinding the surface of the workpiece to be coated with the coating, and cleaning the workpiece with cleaning liquid;
s3, uniformly coating the high-performance corrosion-resistant coating precoating slurry prepared in the step S1 on the surface of the workpiece obtained in the step S2;
and S4, irradiating and scanning the surface of the workpiece obtained in the step S3 by using the laser beam generated by the laser according to preset laser cladding parameters and a scanning mode, and thus forming the high-performance corrosion-resistant coating on the surface of the workpiece.
7. The method for preparing a high-performance corrosion-resistant coating according to claim 6, wherein said step S1 includes the following specific operation steps:
s11, weighing deionized water and a binder according to the formula ratio, putting the deionized water into dispersing equipment, adding the binder while stirring, and continuously stirring until the binder is completely dissolved;
s12, weighing the coating agent, the light absorbent, the surfactant and the metal alloy powder according to the formula ratio, sequentially putting the materials into the dispersing equipment, and fully grinding and dispersing for 20-30 min to obtain the high-performance corrosion-resistant coating precoating slurry.
8. The method for preparing a high-performance corrosion-resistant coating according to claim 6, wherein: in the step S4, the power of the laser is 1000-3000W, and the scanning speed is 8-50 mm/S; the scanning mode is single-layer strip-shaped reciprocating scanning, the included angle between the upper layer and the lower layer of scanning channels is 50-70 degrees, and the distance between the adjacent scanning channels is 0.8-2 mm.
9. The method for preparing a high-performance corrosion-resistant coating according to claim 6, wherein: and step S4 is carried out under the protection of inert gas, wherein the inert gas is one of nitrogen or argon, and the flow rate of the inert gas is 8-20L/min.
10. The method for preparing a high-performance corrosion-resistant coating according to claim 6, wherein: step S4 further includes grinding and polishing the surface of the laser-clad workpiece.
CN202011597945.8A 2020-12-29 2020-12-29 High-performance corrosion-resistant coating and preparation method thereof Pending CN112795212A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115274241A (en) * 2022-06-28 2022-11-01 北京科技大学广州新材料研究院 Corrosion-resistant neodymium-iron-boron magnet and preparation method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR820001657B1 (en) * 1979-05-25 1982-09-15 에드워어드 지. 그리어 Coating material for producing wear and corrosion resistant coated articles
CN101220474A (en) * 2008-01-25 2008-07-16 上海工程技术大学 Method for manufacturing TiB2-WC reinforced Ni base composite coating
CN103014475A (en) * 2012-12-18 2013-04-03 江苏新亚特钢锻造有限公司 Oxide particle reinforced laser cladding high-wear resistance nickel-base alloy powder and preparation method thereof
US20150064406A1 (en) * 2012-03-22 2015-03-05 Tocalo Co., Ltd. Method for forming fluoride spray coating, and fluoride spray coating covered member
CN105112909A (en) * 2015-09-22 2015-12-02 安徽工业大学 Iron-based Cr3C2 laser-cladding coating added with CeO2 and preparation method of coating
CN106676515A (en) * 2015-11-11 2017-05-17 上海大陆天瑞激光表面工程有限公司 Laser seal coating material for turbine cylinder middle split face of gas turbine
CN107236331A (en) * 2017-06-16 2017-10-10 国电科学技术研究院武汉电力技术分院 High-temperature corrosion resistance coating and preparation method thereof and high-temperature corrosion resistance coating and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR820001657B1 (en) * 1979-05-25 1982-09-15 에드워어드 지. 그리어 Coating material for producing wear and corrosion resistant coated articles
CN101220474A (en) * 2008-01-25 2008-07-16 上海工程技术大学 Method for manufacturing TiB2-WC reinforced Ni base composite coating
US20150064406A1 (en) * 2012-03-22 2015-03-05 Tocalo Co., Ltd. Method for forming fluoride spray coating, and fluoride spray coating covered member
CN103014475A (en) * 2012-12-18 2013-04-03 江苏新亚特钢锻造有限公司 Oxide particle reinforced laser cladding high-wear resistance nickel-base alloy powder and preparation method thereof
CN105112909A (en) * 2015-09-22 2015-12-02 安徽工业大学 Iron-based Cr3C2 laser-cladding coating added with CeO2 and preparation method of coating
CN106676515A (en) * 2015-11-11 2017-05-17 上海大陆天瑞激光表面工程有限公司 Laser seal coating material for turbine cylinder middle split face of gas turbine
CN107236331A (en) * 2017-06-16 2017-10-10 国电科学技术研究院武汉电力技术分院 High-temperature corrosion resistance coating and preparation method thereof and high-temperature corrosion resistance coating and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115274241A (en) * 2022-06-28 2022-11-01 北京科技大学广州新材料研究院 Corrosion-resistant neodymium-iron-boron magnet and preparation method thereof

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