CN110616420B - Preparation method of composite anti-corrosion coating for inner wall of waste incinerator - Google Patents

Preparation method of composite anti-corrosion coating for inner wall of waste incinerator Download PDF

Info

Publication number
CN110616420B
CN110616420B CN201911015446.0A CN201911015446A CN110616420B CN 110616420 B CN110616420 B CN 110616420B CN 201911015446 A CN201911015446 A CN 201911015446A CN 110616420 B CN110616420 B CN 110616420B
Authority
CN
China
Prior art keywords
coating
zro
sample
inconel625
sol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201911015446.0A
Other languages
Chinese (zh)
Other versions
CN110616420A (en
Inventor
白凌云
向军淮
陈土春
江龙发
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Science and Technology Normal University
Original Assignee
Jiangxi Science and Technology Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangxi Science and Technology Normal University filed Critical Jiangxi Science and Technology Normal University
Priority to CN201911015446.0A priority Critical patent/CN110616420B/en
Publication of CN110616420A publication Critical patent/CN110616420A/en
Application granted granted Critical
Publication of CN110616420B publication Critical patent/CN110616420B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
    • C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
    • C23C18/1204—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material inorganic material, e.g. non-oxide and non-metallic such as sulfides, nitrides based compounds
    • C23C18/1208—Oxides, e.g. ceramics
    • C23C18/1216—Metal oxides
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
    • C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
    • C23C18/1229—Composition of the substrate
    • C23C18/1241—Metallic substrates
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
    • C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
    • C23C18/125—Process of deposition of the inorganic material
    • C23C18/1254—Sol or sol-gel processing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Chemically Coating (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

The invention discloses a medicamentAl for inner wall of garbage incinerator2O3/ZrO2The invention discloses a preparation method of an Inconel625 composite anti-corrosion coating, which is characterized in that an Inconel625 wire, zirconium oxychloride, aluminum isopropoxide, acetylacetone, yttrium nitrate, isopropanol, absolute ethyl alcohol and the like are used as initial raw materials, and an Al is prepared on the surface of a Q235 steel material by adopting a cold metal transition surfacing technology and combining a sol-gel method2O3/ZrO2the/Inconel 625 composite coating is used for improving the molten salt corrosion resistance of the base material. XRD and SEM result analysis shows that after the process, Al with uniform, cracked and micron-sized thickness is prepared on the surface of the Q235 alloy2O3/ZrO2After NaCl molten salt corrosion for 24 hours at 900 ℃, corrosion kinetic data obtained by a sample by a weight loss method of the/Inconel 625 composite coating show that compared with a single Inconel625 coating sample, Al of the sample is coated with the Inconel625 coating2O3/ZrO2The Inconel625 composite coating obviously reduces the weight loss of a sample and improves the corrosion resistance of a matrix material in molten salt.

Description

Preparation method of composite anti-corrosion coating for inner wall of waste incinerator
Technical Field
The invention relates to the technical field of design of an anticorrosive coating on the inner wall of a garbage incinerator, in particular to Al applied to the garbage incinerator2O3/ZrO2A preparation method of the/Inconel 625 composite anti-corrosion coating.
Background
The garbage disposal problem is becoming more and more severe, and the reasonable garbage disposal and the resource recycling are already a necessary development trend. Waste incineration power generation is a treatment process which is environment-friendly, energy-saving and resource-recycling, and is concerned by people. The Inconel625 has good corrosion resistance, especially chlorine corrosion resistance and pitting corrosion resistance, and is already applied to the design and use of corrosion-resistant coatings on the inner walls of furnace bodies of garbage incinerators and the like. However, this product is expensive and, in order to further improve its corrosion resistance, guarantees capital costsThe invention provides Al by utilizing the maximum degree2O3/ZrO2The preparation method of the/Inconel 625 composite anti-corrosion coating aims to further improve the anti-corrosion performance of the coating.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides Al applied to a garbage incinerator2O3/ZrO2A preparation method of the/Inconel 625 composite anti-corrosion coating. Preparing Al on the surface of Q235 steel by using Inconel625 wire, zirconium oxychloride, aluminum isopropoxide, acetylacetone, yttrium nitrate, isopropanol, absolute ethyl alcohol and the like as initial raw materials and adopting a cold metal transition surfacing technology combined with a sol-gel method2O3/ZrO2the/Inconel 625 composite coating is used for improving the molten salt corrosion resistance of the base material.
The invention adopts the following technical scheme:
a preparation method of a composite anti-corrosion coating for the inner wall of a waste incinerator comprises the following steps: the method comprises the steps of taking an Inconel625 wire material, zirconium oxychloride, aluminum isopropoxide, acetylacetone, yttrium nitrate, isopropanol and absolute ethyl alcohol as initial raw materials, firstly preparing Al from the Inconel625 wire material by adopting a cold metal transition surfacing technology and a sol-gel method2O3、ZrO2Sol, and finally preparing Al on the surface of Q235 steel by a pulling coating process2O3/ZrO2a/Inconel 625 composite coating.
Al2O3The preparation of the sol adopts the following process:
aluminum isopropoxide is used as a precursor, isopropanol is used as a solvent, acetylacetone is used as a complexing agent, the mass ratio of aluminum isopropoxide to acetylacetone is 1:1, the complexing temperature is 90 ℃, the time is 0.5h, the hydrolysis temperature is 90 ℃, the time is 6h, the mass ratio of deionized water to aluminum isopropoxide is 2:1, the deionized water is added in a manner of dropwise adding an isopropanol solution, nitric acid is used as a peptizing agent, the pH value is adjusted to 2, and the aging time is 24 h.
The ZrO2The preparation method of the sol comprises the following steps:
adding zirconium oxychloride and yttrium nitrate into the absolute ethyl alcohol solution of deionized waterThe mass ratio of the components is as follows: ZrOCl2:H2O:YNO3The volume ratio of deionized water to absolute ethyl alcohol is 1:35:0.5, the reaction system is placed on a magnetic stirrer and stirred for 24 hours at 25 ℃, hydrolysis reaction occurs, and the aging time is 24 hours.
The process for drawing and coating the film comprises the following steps:
(1) an Inconel625 coating prepared by a cold metal transition process;
(2) preparing Al on the surface of a sample by adopting a dip-coating process2O3/ZrO2Sol layer: separately impregnating with Al2O3/ZrO2Dipping time of sol is 5min, pulling speed is 2000 μm/s, and standing time is 120 s. And (3) standing in a drying oven at 90 ℃ for 10min to volatilize the solvent every time one sol layer is plated. And (4) alternately coating films for four cycles, and then preserving the temperature of the sample in a muffle furnace at 300 ℃ for 30 min.
(3) Repeating the step (2) for 6 times to obtain a sample with 24 layers of coatings, placing the sample in a muffle furnace, preserving heat at 500 ℃ for 30min, preserving heat at 700 ℃ for 30min, preserving heat at 900 ℃ for 1h to obtain Al2O3/ZrO2a/Inconel 625 composite coating.
The thickness of the Inconel625 coating prepared by the cold metal transition reactor welding process is 2.5 mm.
The method comprises the steps of preparing an Inconel625 coating on the surface of Q235 steel by using an Inconel625 wire material as a raw material and adopting a cold metal transition surfacing technology in combination with a sol-gel method, cutting a surfacing sample into small samples of 10x10x12mm by adopting wire cutting, carrying out the next step of a composite coating preparation process, and preparing Al by using zirconium oxychloride, aluminum isopropoxide, acetylacetone, yttrium nitrate, isopropanol and absolute ethyl alcohol as initial raw materials2O3、ZrO2Sol, adopting dip-coating process to prepare Al on the surface of Q235 steel material2O3/ZrO2a/Inconel 625 composite coating. Then, the morphology and the composition characteristics of the surface coating are determined by XRD and SEM/EDS, and a single Inconel625 coating sample and Al are compared by performing a corrosion experiment for 24 hours in a NaCl molten salt environment at 900 DEG C2O3/ZrO2Corrosion of/Inconel 625 composite coating sampleAnd (4) determining the corrosion resistance difference of the two coatings according to the dynamic condition so as to determine the use value of the prepared composite coating.
The invention relates to Al applied to a garbage incinerator2O3/ZrO2The preparation method of the/Inconel 625 composite anti-corrosion coating comprises the following specific steps:
firstly, a Q235 plate of 20x20x1.2cm is ground by 80#, 200#, 600# abrasive paper, surface oxide skin is removed, and the plate is cleaned by ethanol and naturally dried.
Secondly, an Inconel625 wire is overlaid on the surface of the Q235 steel material by adopting a cold metal over-overlaying process. The build-up welded specimens were cut into 10x10x12mm pieces for use by wire cutting.
Finally, preparing Al on the surface of the sample by adopting a sol-gel combined dipping and pulling process2O3/ZrO2the/Inconel 625 composite anti-corrosion coating is subjected to XRD and SEM/EDS detection to determine the surface morphology and composition characteristics of the coating. The corrosion resistance of the coating is determined by performing a corrosion experiment for 24 hours at 900 ℃ in a NaCl molten salt environment.
Compared with the prior art, the invention has the beneficial effects that: at present, the industrial production of the inner wall coating of the garbage incinerator is mainly to prepare a single Inconel625 coating by adopting a surfacing technology, so that a certain corrosion resistance is achieved, but the cost is higher. The invention aims to fully utilize the corrosion resistance of the high-cost Inconel625 coating, and further improve the chlorine corrosion resistance of the composite ceramic coating in the waste incineration process by preparing the composite ceramic coating on the surface of the high-cost Inconel625 coating, so that the cost is utilized to the maximum extent.
Drawings
FIG. 1 is a technical route flow diagram;
FIG. 2 is a kinetic curve of molten salt corrosion resistance of different weld overlays;
FIG. 3 is Al2O3/ZrO2The surface appearance of the/Inconel 625 composite coating;
FIG. 4 shows Al2O3/ZrO2XRD spectrum of the/Inconel 625 composite coating.
Detailed Description
The following examples are further detailed descriptions of the present invention.
Example 1
Firstly, a Q235 plate of 20x20x1.2cm is ground by 80#, 200#, 600# abrasive paper, surface oxide skin is removed, and the plate is cleaned by ethanol and naturally dried.
Secondly, an Inconel625 wire is overlaid on the surface of the Q235 steel material by adopting a cold metal over-overlaying process. The build-up welded specimens were cut into 10x10x12mm pieces for use by wire cutting.
Finally, preparing Al on the surface of the sample by adopting a sol-gel combined dipping and pulling process2O3/ZrO2the/Inconel 625 composite anti-corrosion coating is subjected to XRD and SEM/EDS detection to determine the surface morphology and composition characteristics of the coating. The corrosion resistance of the coating is determined by performing a corrosion experiment for 24 hours at 900 ℃ in a NaCl molten salt environment.
Al2O3The preparation of the sol adopts the following process:
aluminum isopropoxide is used as a precursor, isopropanol is used as a solvent, acetylacetone is used as a complexing agent, the mass ratio of the aluminum isopropoxide to the acetylacetone is 1:1, the complexing temperature is 90 ℃, and the time is 0.5 h. The hydrolysis temperature is 90 ℃, the hydrolysis time is 6h, the mass ratio of deionized water to aluminum isopropoxide is 2:1, and the addition of the deionized water is completed in a mode of dropwise adding an isopropanol solution. Nitric acid was used as a peptizing agent and adjusted to pH 2. The aging time is 24 h.
ZrO2The preparation method of the sol comprises the following steps:
adding zirconium oxychloride and yttrium nitrate into an absolute ethyl alcohol solution of deionized water, wherein the mass ratio of the substances is as follows: ZrOCl2:H2O:YNO3The volume ratio of deionized water to absolute ethyl alcohol is 1:35:0.5, and the volume ratio of the deionized water to the absolute ethyl alcohol is 1: 2. The reaction system was stirred at room temperature (about 25 ℃) for 24 hours on a magnetic stirrer, and hydrolysis reaction occurred. The aging time is 24 h.
The process of lifting and coating the film comprises the following steps:
(1) an Inconel625 coating prepared by a cold metal transition process;
(2) preparing Al on the surface of a sample by adopting a dip-coating process2O3/ZrO2Sol layer: separately impregnating with Al2O3/ZrO2Dipping time of sol is 5min, pulling speed is 2000 μm/s, and standing time is 120 s. And (3) standing in a drying oven at 90 ℃ for 10min to volatilize the solvent every time one sol layer is plated. And (4) alternately coating films for four cycles, and then preserving the temperature of the sample in a muffle furnace at 300 ℃ for 30 min.
(3) Repeating the step (2) for 6 times to obtain a sample with 24 layers of coatings, placing the sample in a muffle furnace, preserving heat at 500 ℃ for 30min, preserving heat at 700 ℃ for 30min, preserving heat at 900 ℃ for 1h to obtain Al2O3/ZrO2a/Inconel 625 composite coating.
And carrying out XRD (X-ray diffraction), SEM (scanning Electron microscope)/EDS (electronic Desorption) analysis on the obtained coating to obtain the surface appearance and composition information of the coating. And then carrying out the next corrosion resistance test.
Molten salt corrosion test:
the sample is weighed by erosion and the exact dimensions are measured with a vernier caliper. And (3) spreading NaCl on the bottom of the whole crucible, placing the coated surface downwards, putting the crucible into a muffle furnace, calcining at 900 ℃ for 50min, taking out, air-cooling for 10min, removing a salt and corrosion product layer, and weighing. And putting the mixture into a muffle furnace to continue corrosion, and repeating the process for 24 times to obtain a corrosion kinetic curve.
XRD and SEM result analysis shows that after the process, Al with uniform, cracked and micron-sized thickness is prepared on the surface of the Q235 alloy2O3/ZrO2After NaCl molten salt corrosion for 24 hours at 900 ℃, corrosion kinetic data obtained by a sample by a weight loss method of the/Inconel 625 composite coating show that compared with a single Inconel625 coating sample, Al of the sample is coated with the Inconel625 coating2O3/ZrO2The Inconel625 composite coating obviously reduces the weight loss of a sample and improves the corrosion resistance of a matrix material in molten salt.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A preparation method of a composite anti-corrosion coating for the inner wall of a waste incinerator is characterized by comprising the following steps: the method comprises the steps of using an Inconel625 wire material, zirconium oxychloride, aluminum isopropoxide, acetylacetone, yttrium nitrate, isopropanol and absolute ethyl alcohol as initial raw materials, firstly, overlaying the Inconel625 wire material on the surface of a steel material with surface oxide skin Q235 removed by adopting a cold metal over-overlaying process to obtain a sample, and then preparing Al by a sol-gel method2O3、ZrO2Sol, and finally preparing Al on the surface of the sample by a drawing coating process2O3/ZrO2a/Inconel 625 composite coating;
the pulling coating process comprises the following steps:
(1) preparing Al on the surface of a sample by adopting a dip-coating process2O3/ZrO2Sol layer: separately impregnating with Al2O3/ZrO2Sol dipping time is 5min, pulling speed is 2000 mu m/s, standing time is 120s, each sol layer is plated, standing is carried out in a drying oven at 90 ℃ for 10min to volatilize solvent, and after four cycles of alternate plating, the sample is kept in a muffle furnace at 300 ℃ for 30 min;
(2) repeating the step (1) for 6 times to obtain a sample with 24 layers of coatings, placing the sample in a muffle furnace, preserving heat at 500 ℃ for 30min, preserving heat at 700 ℃ for 30min, preserving heat at 900 ℃ for 1h to obtain Al2O3/ZrO2a/Inconel 625 composite coating.
2. The method for preparing the composite anti-corrosion coating for the inner wall of the waste incinerator according to claim 1, wherein the method comprises the following steps: al (Al)2O3The preparation of the sol adopts the following process: aluminum isopropoxide is used as a precursor, isopropanol is used as a solvent, acetylacetone is used as a complexing agent, the mass ratio of aluminum isopropoxide to acetylacetone is 1:1, the complexing temperature is 90 ℃, the time is 0.5h, the hydrolysis temperature is 90 ℃, the time is 6h, the mass ratio of deionized water to aluminum isopropoxide is 2:1, the deionized water is added in a manner of dropwise adding an isopropanol solution, nitric acid is used as a peptizing agent, the pH value is adjusted to 2, and the aging time is 24 h.
3. As claimed in claim1 the preparation method of the composite anti-corrosion coating for the inner wall of the waste incinerator is characterized by comprising the following steps: the ZrO2The preparation method of the sol comprises the following steps: adding zirconium oxychloride and yttrium nitrate into an absolute ethyl alcohol solution of deionized water, wherein the mass ratio of the substances is as follows: ZrOCl2:H2O:YNO3The volume ratio of deionized water to absolute ethyl alcohol is 1:35:0.5, the reaction system is placed on a magnetic stirrer and stirred for 24 hours at 25 ℃, hydrolysis reaction occurs, and the aging time is 24 hours.
4. The preparation method of the composite anti-corrosion coating for the inner wall of the waste incinerator according to claim 1, wherein the thickness of the Inconel625 coating of the sample prepared by the cold metal overlaying process is 2.5 mm.
CN201911015446.0A 2019-10-24 2019-10-24 Preparation method of composite anti-corrosion coating for inner wall of waste incinerator Active CN110616420B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911015446.0A CN110616420B (en) 2019-10-24 2019-10-24 Preparation method of composite anti-corrosion coating for inner wall of waste incinerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911015446.0A CN110616420B (en) 2019-10-24 2019-10-24 Preparation method of composite anti-corrosion coating for inner wall of waste incinerator

Publications (2)

Publication Number Publication Date
CN110616420A CN110616420A (en) 2019-12-27
CN110616420B true CN110616420B (en) 2021-06-29

Family

ID=68926725

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911015446.0A Active CN110616420B (en) 2019-10-24 2019-10-24 Preparation method of composite anti-corrosion coating for inner wall of waste incinerator

Country Status (1)

Country Link
CN (1) CN110616420B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111250900B (en) * 2020-02-24 2022-11-01 江西恒大高新技术股份有限公司 Preparation method of modified Inconel625 powder surfacing coating
CN113237821B (en) * 2021-04-26 2023-03-10 江西科技师范大学 Preparation and detection method of yttrium-doped Inconel625 alloy applied to oxidative high-temperature chlorine corrosion environment
CN116351685B (en) * 2023-04-10 2023-12-29 江西瑞一韵承科技有限公司 Preparation process of aluminum alloy hub surface coating

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014192208A1 (en) * 2013-05-30 2014-12-04 株式会社豊田自動織機 Battery provided with electrolyte solution holding layer
CN204639908U (en) * 2015-03-30 2015-09-16 江苏东方砂轮有限公司 A kind of grinding head of modified node method
CN105181762A (en) * 2015-09-20 2015-12-23 吉林大学 Co-Sn composite oxide ethyl alcohol sensor and preparation and application thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014192208A1 (en) * 2013-05-30 2014-12-04 株式会社豊田自動織機 Battery provided with electrolyte solution holding layer
CN204639908U (en) * 2015-03-30 2015-09-16 江苏东方砂轮有限公司 A kind of grinding head of modified node method
CN105181762A (en) * 2015-09-20 2015-12-23 吉林大学 Co-Sn composite oxide ethyl alcohol sensor and preparation and application thereof

Also Published As

Publication number Publication date
CN110616420A (en) 2019-12-27

Similar Documents

Publication Publication Date Title
CN110616420B (en) Preparation method of composite anti-corrosion coating for inner wall of waste incinerator
Cohen Replacements for chromium pretreatments on aluminum
US7678465B2 (en) Aluminum phosphate compounds, compositions, materials and related metal coatings
CN105038440B (en) A kind of preparation method of polytetrafluoroethylmodified modified chromium-free Dyclo paint and its composite coating
Arurault et al. Electrochemical preparation of adherent ceria coatings on ferritic stainless steel
CN104562128B (en) A kind of method for preparing thermal protection ceramic layer on metal or metallic composite surface
CN103173836B (en) Magnesium alloy differential arc oxidation low energy consumption black ceramic membrane and preparation method
AU2003304644B2 (en) Aluminum phosphate compounds, compositions, materials and related metal coatings
CN101054664A (en) Chromium-free treating liquid for preparing erosion-resisting oxide film on aluminum alloy surface, treating and using method thereof
CN102199766B (en) Method for preparing magnesium lithium alloy cerium salt and molybdate-phosphate-zirconium fluoride conversion coating
Braga et al. The influence of heat treatment of inorganic conversion coatings produced by sol-gel dip coating on the anticorrosive properties of alumina films deposited on steel substrate-Part II: silica/boehmite or boehmite/silica multilayered conversion coatings
CN106811724A (en) A kind of corrosion-resistant high-entropy alloy coating of Mg alloy surface and preparation method thereof
Gao et al. Understanding of the corrosion protection by V (IV) conversion coatings from a sol-gel perspective
CN110042381A (en) A kind of preparation method of aluminum alloy surface film
Al Afghani et al. Plasma electrolytic oxidation of zircaloy-4 in a mixed alkaline electrolyte
Atik et al. Zirconia sol-gel coatings deposited on 304 and 316L stainless steel for chemical protection in acid media
Zhu et al. Titanium, zirconium and vanadium conversion coatings (TZVCCs) on AZ91D magnesium alloy sheets
Kumaraguru et al. Development of an electroless method to deposit corrosion-resistant silicate layers on metallic substrates
Yu et al. Characterization of Ti-Se conversion coatings on aluminum alloy
CN1049531A (en) The method that contains the manganese zinc phosphate layer in the surface of galvanized steel manufacturing
CN114032547B (en) Alloy surface composite coating and preparation method thereof
Wu et al. Designing for the cerium‐based conversion coating with excellent corrosion resistance on Mg–4Y–2Al magnesium alloy
CN109023363A (en) A kind of ferroaluminium adhesive layer/compound hydrogen resistance coating of zirconium oxide layer and preparation method thereof
Yousefi Sharikabad et al. Improvement of pitting corrosion resistance and anti-corrosion performance of aluminum 1200 by eco-friendly Zr-based conversion coatings: effect of deposition parameters
CN106011740B (en) A kind of alloy permeation and Dacroment composite anti-corrosive coating production

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant