CN110129649A - A kind of preparation method of high entropy alloy coating powder and nanocrystalline high entropy alloy coating - Google Patents
A kind of preparation method of high entropy alloy coating powder and nanocrystalline high entropy alloy coating Download PDFInfo
- Publication number
- CN110129649A CN110129649A CN201910529518.7A CN201910529518A CN110129649A CN 110129649 A CN110129649 A CN 110129649A CN 201910529518 A CN201910529518 A CN 201910529518A CN 110129649 A CN110129649 A CN 110129649A
- Authority
- CN
- China
- Prior art keywords
- entropy alloy
- preparation
- powder
- coating
- high entropy
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
- C23C24/106—Coating with metal alloys or metal elements only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0848—Melting process before atomisation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The preparation method of a kind of high entropy alloy coating powder and nanocrystalline high entropy alloy coating, including following component: Al, Co, Cr, Fe, Ni, Mo；Wherein Co, Cr, Fe, Ni, Mo element are equimolar mixing, and the additive amount of Al is the 110%-300% of other elements mole.A kind of preparation method of nanocrystalline high entropy alloy coating; include the following steps: under protection of argon gas, using laser coaxial powder feeding method by the high-entropy alloy powder cladding on matrix, the good material of cladding is annealed at 900 DEG C -850 DEG C later; it is heat preservation 5 hours or more, cooling in furnace.Compared with prior art, the beneficial effects of the present invention are: invention provides a kind of novel composite powder formulas for being specially adapted for laser melting and coating technique and preparation method and matched laser melting coating preparation parameter to reach the even crystal coating that preparation has high rigidity.
Description
Technical field
The present invention relates to metal material and its preparation field more particularly to a kind of high entropy alloy coating powder and nanocrystalline height
The preparation method of entropy alloy coat.
Background technique
High-entropy alloy is initially defined as the content containing 5 kinds or more essential elements and every kind of essential element in 5-
A kind of novel alloy between 35at.%.With gradually going deep into for research, high-entropy alloy is redefined liquid in rule
The alloy material of high configuration entropy under state.Due to the influence of high hybrid entropy effect, high-entropy alloy is more likely to form face-centered cubic, body
The simple solid solution structures such as the heart cube or close-packed hexagonal structure, rather than complicated intermetallic compound.Special ingredient and group
Knitting structure makes high-entropy alloy have both the characteristics such as high-temperature stability, wearability and corrosion resistance.Since it comprises the gold of many valuableness
Belong to (such as Nb, W, Cr, V, Ni, Ti etc.), the cost of high-entropy alloy could possibly be higher than most conventional alloy, and surface covering can be with
Solve this problem.
Laser melting coating, also known as laser cladding or laser cladding are that a kind of good material processing of practicability and surface are modified
Technology is related to the fields such as physics, metallurgy, material science.Method includes the following steps: cladding material is added in substrate surface,
The thin layer of cladding material and substrate surface is fused using the laser beam of high-energy density, forms metallurgical bonding in substrate surface
Additional cladding layer.High performance surface can be produced in lower cost materials using laser melting and coating technique, so that your gold saved
Category and Rare Metals Materials improve the comprehensive performance of material, shorten the production cycle, extend equipment or workpiece service life, reduce manufacture
Cost.In addition, compared with high-entropy alloy film prepared by electrochemical deposition and magnetron sputtering, laser melting coating high entropy alloy coating
Thickness can achieve grade, this has greatly played the mechanical property of high-entropy alloy.
Currently, less using the invention of the metal-based nano crystal composite material of laser melting and coating technique preparation.
The patent document of Publication No. CN201010246236 discloses a kind of iron-based powder, by by laser melting coating metal
Powder uses the powder feeding of coaxial synchronous mode, and cladding forms iron alloy coating in argon atmosphere, then through laser remolten system
At Fe-based amorphous nano coating, but the uniform nanocrystalline coating of microstructure can not be directly made in this invention.
The patent document of Publication No. CN201410609071 discloses a kind of iron-based powder, will using laser melting and coating technique
This kind of powder melting can significantly increase the abrasion and corrosion resistance of heated surface at the end of boiler at heated surface at the end of boiler surface
Can, but the coating crack formed is more, it is difficult to it is used for industrial production.
The patent document of Publication No. CN201310161152 discloses a kind of preparation side of high-entropy alloy amorphous nano-crystalline
Method.High entropy alloy coating ingredient waits atomic percents composition as follows by close: Al:14.3%, Fe:14.3%, Co:14.3%, Ni:
14.3%, Cr:14.3%, Mo:14.3%, Si:14.2%, percent of total 100%；First use Medium frequency induction smelting technology system
Standby high-entropy alloy master alloy, then prepares high-entropy alloy powder material using aerosolizing device, by above-mentioned dusty material through sieving
Point, particle size range is obtained between -200-+800 mesh, sprayed on material of the powder particle volume less than 70 μm up to 90%, then pass through
Plasma spray technology prepares amorphous nanocrystalline coating, but this kind of method is difficult to reach uniform nanocrystalline structure.
Summary of the invention
The object of the present invention is to provide a kind of high entropy alloy coating powder and the preparation method of nanocrystalline high entropy alloy coating,
High-entropy alloy ingredient is designed, prepares alloy pig and spray to cast alloy bar with vacuum arc melting, preparation is quickly solidified through atomization and is closed
Bronze end, is made Nanoalloy coating through laser melting coating using powder, increases high-temperature stability, the wearability of high entropy alloy coating
And corrosion resistance.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of high entropy alloy coating powder, including following component: Al, Co, Cr, Fe, Ni, Mo；Wherein Co, Cr, Fe, Ni,
Mo element is equimolar mixing, and the additive amount of Al is the 110%-300% of other elements mole.
A kind of preparation method of high entropy alloy coating powder, include the following steps: using vacuum arc melting technology by Al,
Co, Cr, Fe, Ni, Mo element fritter are smelted into high-entropy alloy ingot, melt back 3-5 times, by melted high-entropy alloy ingot spray to cast
Alloy powder is made at alloy bar, then by atomization, granularity is -100~+200 mesh.
A kind of preparation method of nanocrystalline high entropy alloy coating, includes the following steps: under protection of argon gas, same using laser
The good material of cladding on matrix, is moved back the high-entropy alloy powder cladding by axis powder-feeding method at 900 DEG C -850 DEG C later
Fire, it is heat preservation 5 hours or more, cooling in furnace.
The laser power of laser is 1200W-2500W, sweep speed 20-40mm/s, spot diameter 3-5mm.
Described matrix material is pure iron, straight carbon steel or ferrous alloy.
Compared with prior art, the beneficial effects of the present invention are:
Invention provides a kind of novel the composite powder formulas for being specially adapted for laser melting and coating technique and preparation side
Method and matched laser melting coating preparation parameter are to reach the even crystal coating that preparation has high rigidity.
Detailed description of the invention
Fig. 1 is high entropy alloy coating cross-sectional view.
Fig. 2 is the high entropy alloy coating Al in embodiment 1,2 and 3xThe XDR of CoCrFeNiMo (x=1.1,1.5 and 2.0)
Analyze map.
Fig. 3 (a) is the high entropy alloy coating Al in embodiment 1xCoCrFeNiMo (x=1.1) amplifies 10000 times of coating shapes
Looks figure.
Fig. 3 (a1) be embodiment 1 in high entropy alloy coating AlxCoCrFeNiMo (x=1.1) amplifies 60000 times of coating shapes
Looks figure.
Fig. 4 (b) is the high entropy alloy coating Al in embodiment 2xCoCrFeNiMo (x=1.5) amplifies 10000 times of coating shapes
Looks figure.
Fig. 4 (b1) be embodiment 2 in high entropy alloy coating AlxCoCrFeNiMo (x=1.5) amplifies 60000 times of coating shapes
Looks figure.
Fig. 5 (c) is the high entropy alloy coating Al in embodiment 3xCoCrFeNiMo (x=2.0) amplifies 10000 times of coating shapes
Looks figure.
Fig. 5 (c1) be embodiment 3 in high entropy alloy coating AlxCoCrFeNiMo (x=2.0) amplifies 60000 times of coating shapes
Looks figure.
Fig. 6 is the Vickers hardness of the different location of the high entropy alloy coating in embodiment 1,2 and 3.
Specific embodiment
Below with reference to embodiment, specific embodiments of the present invention will be further explained:
A kind of high entropy alloy coating powder, including following component: Al, Co, Cr, Fe, Ni, Mo；Wherein Co, Cr, Fe, Ni,
Mo element is equimolar mixing, and the additive amount of Al is the 110%-300% of other elements mole, i.e., alloy expression of the invention
Formula is AlxCoCrFeNiMo, wherein x=1.1-3.0.
A kind of preparation method of high entropy alloy coating powder, include the following steps: using vacuum arc melting technology by Al,
Co, Cr, Fe, Ni, Mo element fritter are smelted into high-entropy alloy ingot, need melt back 3-5 times to improve the uniformity, will be melted
Alloy powder is made at alloy bar, then by atomization in high-entropy alloy ingot spray to cast, and granularity is -100~+200 mesh.
A kind of preparation method of nanocrystalline high entropy alloy coating, includes the following steps: under protection of argon gas, same using laser
The good material of cladding on matrix, is moved back the high-entropy alloy powder cladding by axis powder-feeding method at 900 DEG C -850 DEG C later
Fire, it is heat preservation 5 hours or more, cooling in furnace.
The laser power of laser (solid state laser) is 1200W-2500W, sweep speed 20-40mm/s, and hot spot is straight
Diameter is 3-5mm.
Described matrix material is pure iron, straight carbon steel or ferrous alloy.
Matrix uses ingot iron in following embodiment.
Embodiment 1
For equimolar mixing, the molar ratio that Al element is added is other elements for Co, Cr, Fe, Ni, Mo or more each element
110%, i.e. alloy expression formula is AlxCoCrFeNiMo, x=1.1.Use vacuum arc melting technology by raw metal purity for
99% Al, Co, Cr, Fe, Ni, Mo element fritter is smelted into high-entropy alloy ingot, needs melt back 3-5 times to improve the uniformity,
By melted high-entropy alloy ingot spray to cast at alloy bar, then alloy powder is made by atomization, granularity is+200 mesh, will be prepared
Mixed-powder be put into one hour of drying box, the powder dried is fitted into the coaxial powder feeding apparatus of laser, utilize
Laserline-4350LDF type laser carries out single track cladding, and the coating sample after cladding is heated to 900 DEG C, keeps the temperature 5 hours
It is made annealing treatment, it is cooling in furnace.The laser power of laser used is 1200W-1800W, sweep speed 20mm/s, hot spot
Diameter is 3mm.
Embodiment 2
For equimolar mixing, the molar ratio that Al element powders are added is other elements for Co, Cr, Fe, Ni, Mo or more each element
150%, i.e., alloy expression formula be AlxCoCrFeNiMo, x=1.5.Using vacuum arc melting technology by raw metal purity
It is smelted into high-entropy alloy ingot for 99% Al, Co, Cr, Fe, Ni, Mo element fritter, needs melt back 3-5 to improve the uniformity
It is secondary, by melted high-entropy alloy ingot spray to cast at alloy bar, then alloy powder is made by atomization, granularity is 200 mesh, will be made
Standby mixed-powder is put into one hour of drying box, and the powder dried is fitted into the coaxial powder feeding apparatus of laser, utilizes
Laserline-4350LDF type laser carries out single track cladding, and the coating sample after cladding is heated to 900 DEG C, keeps the temperature 5 hours
It is made annealing treatment, it is cooling in furnace.The laser power of laser used is 1200W-1800W, sweep speed 20mm/s, hot spot
Diameter is 3mm.
Embodiment 3
For equimolar mixing, the molar ratio that Al element is added is other elements for Co, Cr, Fe, Ni, Mo or more each element
200%, i.e. alloy expression formula is AlxCoCrFeNiMo, x=2.0.Use vacuum arc melting technology by raw metal purity for
99% Al, Co, Cr, Fe, Ni, Mo element fritter is smelted into high-entropy alloy ingot, needs melt back 3-5 times to improve the uniformity,
By melted high-entropy alloy ingot spray to cast at alloy bar, then alloy powder is made by atomization, granularity is 200 mesh, will be prepared
Mixed-powder be put into one hour of drying box, the powder dried is fitted into the coaxial powder feeding apparatus of laser, utilize
Laserline-4350LDF type laser carries out single track cladding, and the coating sample after cladding is heated to 900 DEG C, keeps the temperature 5 hours
It is made annealing treatment, it is cooling in furnace.The laser power of laser used is 1200W-1800W, sweep speed 20mm/s, hot spot
Diameter is 3mm.
As shown in Figure 1, coating and matrix show good metallurgical bonding, do not occur the defects of stomata crackle, explanation
Powder preparation method designed by the present invention and corresponding preparation technology parameter can make coating show good cladding.
As shown in Fig. 2, high entropy alloy coating AlxCoCrFeNiMo is mainly made of BCC and FCC configuration, with Al element
Addition, coating by BCC+FCC thaumatropy be BCC structure.
See Fig. 3-Fig. 5, when x=1.1,1.5 and 2.0, appearance is uniform nanocrystalline in coating, and crystallite dimension is respectively
45.7nm, 38.7nm and 31.4nm.
Fig. 6 is the Vickers hardness of the high entropy alloy coating of different Al contents as a result, average hardness reaches as high as 1027HV1,
Compared to the coating microhardness (218.7HV for being not added with Al and under equal conditions preparing1) for, it shows superior hard
Degree.
Scope of protection of the present invention is not limited thereto, anyone skilled in the art the invention discloses
Technical scope in, be subject to equivalent substitution or change according to the technical scheme of the invention and its inventive conception, all cover in this hair
In bright protection scope.
Claims (5)
1. a kind of high entropy alloy coating powder, which is characterized in that including following component: Al, Co, Cr, Fe, Ni, Mo；Wherein Co,
Cr, Fe, Ni, Mo element are equimolar mixing, and the additive amount of Al is the 110%-300% of other elements mole.
2. a kind of preparation method of high entropy alloy coating powder, which comprises the steps of: use vacuum arc melting
Al, Co, Cr, Fe, Ni, Mo element fritter are smelted into high-entropy alloy ingot, melt back 3-5 times, by melted high entropy by technology
Alloy powder is made at alloy bar, then by atomization in alloy pig spray to cast, and granularity is -100~+200 mesh.
3. a kind of preparation method of nanocrystalline high entropy alloy coating, which comprises the steps of: under protection of argon gas,
Using laser coaxial powder feeding method by high-entropy alloy powder cladding as described in claim 1 on matrix, it is later that cladding is good
Material is annealed at 900 DEG C -850 DEG C, heat preservation 5 hours or more, cooling in furnace.
4. a kind of preparation method of nanocrystalline high entropy alloy coating according to claim 3, which is characterized in that laser
Laser power is 1200W-2500W, sweep speed 20-40mm/s, spot diameter 3-5mm.
5. a kind of preparation method of nanocrystalline high entropy alloy coating according to claim 3, which is characterized in that described matrix
Material is pure iron, straight carbon steel or ferrous alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529518.7A CN110129649A (en) | 2019-06-19 | 2019-06-19 | A kind of preparation method of high entropy alloy coating powder and nanocrystalline high entropy alloy coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529518.7A CN110129649A (en) | 2019-06-19 | 2019-06-19 | A kind of preparation method of high entropy alloy coating powder and nanocrystalline high entropy alloy coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110129649A true CN110129649A (en) | 2019-08-16 |
Family
ID=67577918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910529518.7A Pending CN110129649A (en) | 2019-06-19 | 2019-06-19 | A kind of preparation method of high entropy alloy coating powder and nanocrystalline high entropy alloy coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110129649A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111394721A (en) * | 2020-05-29 | 2020-07-10 | 济南大学 | High-entropy alloy powder mixture, coating and coating preparation method |
| CN111534817A (en) * | 2020-06-21 | 2020-08-14 | 华东交通大学 | Preparation of Al by laser depositionxMethod for preparing TiCrMnCu high-entropy alloy |
| CN111575574A (en) * | 2020-06-24 | 2020-08-25 | 华东理工大学 | Eutectic high-entropy alloy powder for laser repair and preparation method and application thereof |
| CN111957965A (en) * | 2020-08-27 | 2020-11-20 | 湘潭大学 | Method for preparing high-entropy alloy with complex shape |
| CN114369823A (en) * | 2022-01-13 | 2022-04-19 | 安徽工业大学 | Laser cladding NiCoFeCrSiAlMoZr high-entropy alloy coating material and preparation method thereof |
| CN114807720A (en) * | 2022-04-18 | 2022-07-29 | 贵州大学 | High-entropy alloy coating resistant to strong acid erosion and used for repairing stirring blade of phosphoric acid reaction tank and preparation method of high-entropy alloy coating |
| CN115386779A (en) * | 2022-09-06 | 2022-11-25 | 齐鲁工业大学 | Ceramic phase and high-melting-point phase synergistically enhanced high-entropy alloy coating and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056352A (en) * | 2012-12-04 | 2013-04-24 | 中国人民解放军装甲兵工程学院 | High-entropy alloy powder material for supersonic spraying and manufacturing method thereof |
| JP2018145456A (en) * | 2017-03-02 | 2018-09-20 | 株式会社日立製作所 | Alloy member, manufacturing method of the alloy member and manufactured article using the alloy member |
-
2019
- 2019-06-19 CN CN201910529518.7A patent/CN110129649A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056352A (en) * | 2012-12-04 | 2013-04-24 | 中国人民解放军装甲兵工程学院 | High-entropy alloy powder material for supersonic spraying and manufacturing method thereof |
| JP2018145456A (en) * | 2017-03-02 | 2018-09-20 | 株式会社日立製作所 | Alloy member, manufacturing method of the alloy member and manufactured article using the alloy member |
Non-Patent Citations (3)
| Title |
|---|
| SHA MINGHONG ET AL: "Effects of Annealing on the Microstructure and Wear Resistance of AlCoCrFeNiTi0.5 High-entropy Alloy Coating Prepared by Laser Cladding", 《RARE METAL MATERIALS AND ENGINEERING》 * |
| 李建新等: "《激光加工工艺与设备》", 31 August 2008, 湖北科学技术出版社 * |
| 马明星等: "激光制备AlXCoCrNiMo高熵合金涂层的研究", 《应用激光》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111394721A (en) * | 2020-05-29 | 2020-07-10 | 济南大学 | High-entropy alloy powder mixture, coating and coating preparation method |
| CN111534817A (en) * | 2020-06-21 | 2020-08-14 | 华东交通大学 | Preparation of Al by laser depositionxMethod for preparing TiCrMnCu high-entropy alloy |
| CN111575574A (en) * | 2020-06-24 | 2020-08-25 | 华东理工大学 | Eutectic high-entropy alloy powder for laser repair and preparation method and application thereof |
| CN111957965A (en) * | 2020-08-27 | 2020-11-20 | 湘潭大学 | Method for preparing high-entropy alloy with complex shape |
| CN111957965B (en) * | 2020-08-27 | 2022-06-14 | 湘潭大学 | Method for preparing high-entropy alloy |
| CN114369823A (en) * | 2022-01-13 | 2022-04-19 | 安徽工业大学 | Laser cladding NiCoFeCrSiAlMoZr high-entropy alloy coating material and preparation method thereof |
| CN114369823B (en) * | 2022-01-13 | 2023-12-26 | 安徽工业大学 | Laser cladding NiCoFeCrSiAlMoZr high-entropy alloy coating material and preparation method thereof |
| CN114807720A (en) * | 2022-04-18 | 2022-07-29 | 贵州大学 | High-entropy alloy coating resistant to strong acid erosion and used for repairing stirring blade of phosphoric acid reaction tank and preparation method of high-entropy alloy coating |
| CN114807720B (en) * | 2022-04-18 | 2024-01-30 | 贵州大学 | High-entropy alloy coating for repairing phosphoric acid reaction tank stirring paddle blade resistant to strong acid erosion and preparation method thereof |
| CN115386779A (en) * | 2022-09-06 | 2022-11-25 | 齐鲁工业大学 | Ceramic phase and high-melting-point phase synergistically enhanced high-entropy alloy coating and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110129649A (en) | A kind of preparation method of high entropy alloy coating powder and nanocrystalline high entropy alloy coating | |
| Zhang et al. | A review on microstructures and properties of high entropy alloys manufactured by selective laser melting | |
| CN103290404B (en) | The preparation method of laser melting coating high-entropy alloy powder and high-entropy alloy coating | |
| Chen et al. | Effects of nitriding on the microstructure and properties of VAlTiCrMo high-entropy alloy coatings by sputtering technique | |
| CA2486352C (en) | Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings | |
| Liu et al. | Tribological behaviors of high-hardness Co-based amorphous coatings fabricated by laser cladding | |
| WO2020155283A1 (en) | High-entropy alloy boride ceramic, and preparation method therefor and application thereof | |
| Wang et al. | Effect of Cr3C2 content on 316L stainless steel fabricated by laser melting deposition | |
| CN103252495B (en) | A kind of preparation method containing amorphous nano-crystalline high-entropy alloy coating | |
| CN110344047A (en) | A kind of fabricated in situ low pressure cold spraying CuNiCoFeCrAl2.8The preparation method of high entropy alloy coating | |
| CN103056352A (en) | High-entropy alloy powder material for supersonic spraying and manufacturing method thereof | |
| JPH0688175A (en) | Wear and corrosion resisting metal finish based on noncrystalline alloy and production thereof | |
| CN105088108A (en) | Iron-base amorphous alloy, powder material of alloy and wear-resisting anticorrosion coating of alloy | |
| TW201418001A (en) | Consumer electronics machined housing using coating that exhibit metamorphic transformation | |
| Zhao et al. | Microstructure and wear resistance of molybdenum based amorphous nanocrystalline alloy coating fabricated by atmospheric plasma spraying | |
| US20050013723A1 (en) | Formation of metallic thermal barrier alloys | |
| CN105385966B (en) | A kind of Al-based Amorphous Alloys and its preparation method and application | |
| CN103842112A (en) | Alloy flakes as starting material for rare earth sintered magnet and method for producing same | |
| Carvalho et al. | Metallic Glass Formation Upon Rapid Solidification of Fe 60 Cr 8 Nb 8 B 24 (at%) Alloy through LASER Cladding and Remelting | |
| CN114457272A (en) | High-entropy alloy and method for repairing tungsten-based powder alloy die-casting die by laser cladding | |
| CN111101043B (en) | CrMoVNbAl high-entropy alloy manufactured by laser additive manufacturing and forming process thereof | |
| TWI437114B (en) | Manufacture of cobalt - cobalt alloy target | |
| Zhao et al. | Effect of a thin Cr2O3 film on oxidation at 600° C of a Sm (CobalFe0. 22Cu0. 08Zr0. 02) 7.5 alloy | |
| TWI387497B (en) | Manufacturing method of nickel alloy target | |
| Jiang | Improvement of microstructure, hardness, and mechanical properties of cobalt-based amorphous coating via laser cladding |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190816 |
|
| RJ01 | Rejection of invention patent application after publication |