CN110512205A - A kind of preparation method of iron-based amorphous coating - Google Patents
A kind of preparation method of iron-based amorphous coating Download PDFInfo
- Publication number
- CN110512205A CN110512205A CN201910840475.4A CN201910840475A CN110512205A CN 110512205 A CN110512205 A CN 110512205A CN 201910840475 A CN201910840475 A CN 201910840475A CN 110512205 A CN110512205 A CN 110512205A
- Authority
- CN
- China
- Prior art keywords
- laser
- powder
- stainless steel
- steel plate
- coating
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/02—Amorphous alloys with iron as the major 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The present invention relates to a kind of preparation methods of iron-based amorphous coating, it is for the situation that stainless steel plate plate wear-resisting property is poor, working life is short, in stainless steel surface laser melting coating iron-based amorphous coating, to improve surface hardness, wear-resisting property and the content of amorphous of stainless steel plate, iron-based amorphous coating hardness after laser remolten reaches 750HV, and the content of amorphous of amorphous coating reaches 54%；Laser remolten can crackle, hole and the unmelted solid particle on reparation surface improve coating quality to reduce coating dilution rate, promote amorphous ratio.
Description
Technical field
The present invention relates to a kind of preparation methods of iron-based amorphous coating, belong to the technology neck of amorphous coating preparation and application
Domain.
Background technique
In recent years, laser technology is rapidly developed, the one kind of laser melting coating as process for modifying surface, with laser beam
As heat source, in one layer of enhancing phase material of substrate material surface cladding, thus by basis material and enhancing phase material metallurgical bonding
Together, the service life of material is increased substantially.Laser melting and coating technique has transient heating temperature height, cooling velocity fast, right
The advantage that workpiece heat affecting is small, cladding layer and substrate combinating strength are high a, it has also become green high-efficient has huge potential economy
Intelligence manufacture/re-manufacturing technology of benefit.
Crystalline substance of the non-crystalline material due to not having the defect of the crystalline materials such as crystal boundary, precipitated phase and component segregation, with same ingredient
Body alloy coat is compared, and has excellent hardness, intensity, anticorrosive and wear resistance.But the preparation of non-crystalline material needs
Fast solidification technology requires harshness to process conditions, so that the disadvantages of difficulty of preparation technology is big and brittleness at room temperature is broken limits
Its industrial application.The shortcomings that not only overcoming bulk amorphous materials with the non-crystalline material of the unique properties of coating form application,
Also the performance for making non-crystalline material excellent obtains fabulous extension, makes it possible that it is industrially applied on a large scale.
Currently, in terms of being limited to technological parameter and performance characterization mostly to the research of laser melting coating amorphous alloy coating material
It explores, and practical popularization and application process is slow, which is because, the generation of high content of amorphous needs the cooling speed of high solidification
Rate, but be quenched the high residual stress generated and easily lead to cladding layer cracking with reasons such as the thermal expansion coefficient differences of matrix, it is " high
Contradiction between content of amorphous " and " flawless " the two relative performances is unable to get effective solution always.To solve crack problem,
It mostly uses at present and improves the methods of heat input, addition hard hardening constituent, pre- hot substrate, but these methods are unfavorable for amorphous phase
It generates and its raising of content, but also brings that high-performance, Gao Chengben, complex process, process are cumbersome, preparation efficiency is low lacks
Point, this technology is also in scientific research.
Summary of the invention
Goal of the invention
The purpose of the present invention is being directed to background technique, using laser melting and coating technique, stainless steel surface laser melting coating simultaneously
It carries out laser remolten and prepares iron-based amorphous coating, obtain amorphous coating material, improve steel-iron components surface friction wear performance, expand
Its big application range.
Technical solution
The material that the present invention uses includes: stainless steel plate, iron powder, aluminium powder, chromium powder, tungsten powder, boron powder, silicon powder, argon gas, anhydrous second
Alcohol；
Stainless steel plate: 100mm × 100mm × 20mm
Iron powder: Fe, 150 mesh of granularity, purity 99.8%, solid granulates, 52g ± 0.1g
Aluminium powder: Al, 200 mesh of granularity, purity 99.9%, solid granulates, 22g ± 0.1g
Chromium powder: Cr, 200 mesh of granularity, purity 99.8%, solid granulates, 17g ± 0.1g
Tungsten powder: W, 100 mesh of granularity, purity 99.6%, solid granulates, 5g ± 0.1g
Boron powder: B, 100 mesh of granularity, purity 99.9%, solid granulates, 3g ± 0.1g
Silicon powder: Si, 100 mesh of granularity, purity 99.8%, solid granulates, 1g ± 0.1g
Argon gas: Ar, purity 99.99%, gas, 800000cm3±100cm3
Dehydrated alcohol: C2H5OH, purity 99.5%, liquid, 2000mL ± 10mL
Laser melting coating welding method is as follows:
(1) stainless steel base is handled
1. stainless steel plate is placed on steel plate, with 200 mesh sand paper polishing stainless steel plate periphery and its positive and negative surface, table is removed
Face oxide makes Substrate Surface Roughness up to Ra6.3-12.6 μm；
2. cleaning, with washes of absolute alcohol stainless steel plate periphery and positive and negative surface, matrix surface dirt is removed, keeps matrix surface clean
Only；
3. drying, stainless steel plate is put into heating furnace and be preheated to 100 DEG C of processing one hour, eliminated moisture and moisture and subtract
Few thermal stress；
(2) match powder
By iron powder 52g ± 0.1g, aluminium powder 22g ± 0.1g, chromium powder 17g ± 0.1g, tungsten powder 5g ± 0.1g, boron powder 3g ± 0.1g and silicon
Powder 1g ± 0.1g, is placed in ball grinder, ball milling 180min, and ball milling revolution 300r/min obtains coated powder；
(3) laser melting coating welds
The laser melting coating of stainless steel surface is carried out on laser；
1. stainless steel plate is placed on the workbench of laser, it is face-up, fixed；
2. by the stainless steel plate on argon nozzle Alignment stage, and it is fixed；
3. adjusting laser power 1000W ~ 2000W of laser-beam welding machine, spot diameter 19mm × 1.5mm, laser scanning speed
5mm/s~7mm/s；
4. the coated powder that ball milling is obtained is placed in powder feeder, argon gas switch is opened；
5. synchronous open laser and powder feeder, laser beam alignment stainless steel plate synchronizes powder feeding scanning welding, wherein argon gas
Flow is 100cm3/min；
6. synchronous to open laser and powder feeder after laser cladding coating is cooled to room temperature, laser beam is aligned on stainless steel plate
Coating synchronize powder feeding, laser remolten, laser power 3000W and scanning speed 10mm/s is used in laser re-melting process,
Wherein protective gas argon flow is 100cm3/min；
7. turning off laser-beam welding machine and argon bottle, stainless steel plate and amorphous coating obtained is made to naturally cool to 25 DEG C；
8. cleaning, cleaned after welding with dehydrated alcohol, is dried after cleaning；
(4) test, analysis and characterization
Detection and analysis characterization is carried out to the stainless steel plate of laser melting coating；
XRD constituent analysis is carried out with X-ray diffractometer；
SEM Metallographic Analysis is carried out with scanning electron microscope:
Vickers hardness is measured with vickers hardness tester；
Conclusion: the hardness of the amorphous coating of the stainless steel surface of laser remolten reaches 750HV, and the amorphous coating amorphous of preparation contains
Amount reaches 54%.
Beneficial effect
There is apparent advance compared with the background technology, the present invention, be poor, working life for stainless steel plate plate wear-resisting property
Short situation, in stainless steel surface laser melting coating iron-based amorphous coating, with improve the surface hardness of stainless steel plate, wear-resisting property and
Content of amorphous, the iron-based amorphous coating content of amorphous after laser remolten reach 54%, and hardness reaches 750HV.Laser remolten can be repaired
Crackle, hole and the unmelted solid particle of overcoating layer surface reduce coating dilution rate, improve coating quality, improve amorphous
Ratio.This preparation method technique is advanced, and technical parameter is accurate, is the preparation method of advanced iron-based amorphous coating.
Detailed description of the invention
Fig. 1 stainless steel surface laser melting coating welded condition figure
The XRD diagram of Fig. 2 iron-based amorphous coating
Fig. 3 iron-based amorphous coating scans shape appearance figure
Fig. 4 iron-based amorphous coating Vickers hardness figure.
As shown in the figure, list of numerals is as follows:
1, support arm, 2, working arm, 3, laser melting coating welding gun, 4, tunger tube, 5, powder feeder, 6, argon bottle, 7, stainless steel plate,
8, workbench, 9, lifting pedestal, 10, amorphous coating.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings:
It is stainless steel surface laser melting coating welded condition figure shown in Fig. 1, each portion position, connection relationship are correct, installation jail
Gu.
Laser welder is vertical, is support arm 1 at the middle part of laser welder, is working arm 2 in the upper right quarter of support arm 1,
It is equipped with laser melting coating welding gun 3, tunger tube 4 in the right part of working arm 2, tunger tube 4 connects argon bottle 6, tunger tube and argon bottle
There is powder feeder 5 in centre；It is equipped with lifting pedestal 9 in the lower part of laser welder, is equipped with workbench 8, In on lifting 9 top of pedestal
It is stainless steel plate 7 on workbench 8,7 top of stainless steel plate is amorphous coating 10.
It is the XRD diagram of iron-based amorphous coating shown in Fig. 2, curve 1 is the iron-based amorphous coating of laser melting coating preparation, curve 2
For the iron-based amorphous coating obtained after laser remolten, it is seen that amorphous coating amorphous phase and crystalline substance made from laser melting coating
Body Xiang Bingcun has a small amount of steamed bun peak, and amorphous coating steamed bun peak ratio made from laser remolten significantly improves, after illustrating laser remolten
Content of amorphous significantly improves.
Shown in Fig. 3, shape appearance figure is scanned for iron-based amorphous coating, as shown in the figure, (a) is the Fe-based amorphous of laser melting coating preparation
Coating is (b) iron-based amorphous coating obtained after laser remolten, it is seen that smooth no grain boundary area is amorphous phase, swashs
Amorphous coating made from light cladding has amorphous phase and crystal phase and deposits, amorphous coating made from laser remolten, and content of amorphous is obvious
It improves.
It is iron-based amorphous coating coating Vickers hardness figure shown in Fig. 4, it is seen that matrix Vickers hardness 200HV,
The amorphous coating Vickers hardness 660HV obtained after laser melting coating, amorphous coating Vickers hardness 750HV made from laser remolten.
Claims (2)
1. a kind of preparation method of iron-based amorphous coating, it is characterised in that:
The material used includes: stainless steel plate, iron powder, aluminium powder, chromium powder, tungsten powder, boron powder, silicon powder, argon gas, dehydrated alcohol；
Stainless steel plate: 100mm × 100mm × 20mm
Iron powder: Fe, 150 mesh of granularity, purity 99.8%, solid granulates, 52g ± 0.1g
Aluminium powder: Al, 200 mesh of granularity, purity 99.9%, solid granulates, 22g ± 0.1g
Chromium powder: Cr, 200 mesh of granularity, purity 99.8%, solid granulates, 17g ± 0.1g
Tungsten powder: W, 100 mesh of granularity, purity 99.6%, solid granulates, 5g ± 0.1g
Boron powder: B, 100 mesh of granularity, purity 99.9%, solid granulates, 3g ± 0.1g
Silicon powder: Si, 100 mesh of granularity, purity 99.8%, solid granulates, 1g ± 0.1g
Argon gas: Ar, purity 99.99%, gas, 800000cm3±100cm3
Dehydrated alcohol: C2H5OH, purity 99.5%, liquid, 2000mL ± 10mL
Laser melting coating welding method is as follows:
(1) stainless steel base is handled
1. stainless steel plate is placed on steel plate, with 200 mesh sand paper polishing stainless steel plate periphery and its positive and negative surface, table is removed
Face oxide makes Substrate Surface Roughness up to Ra6.3-12.6 μm；
2. cleaning, with washes of absolute alcohol stainless steel plate periphery and positive and negative surface, matrix surface dirt is removed, keeps matrix surface clean
Only；
3. drying, stainless steel plate is put into heating furnace and be preheated to 100 DEG C of processing one hour, eliminated moisture and moisture and subtract
Few thermal stress；
(2) match powder
By iron powder 52g ± 0.1g, aluminium powder 22g ± 0.1g, chromium powder 17g ± 0.1g, tungsten powder 5g ± 0.1g, boron powder 3g ± 0.1g and silicon
Powder 1g ± 0.1g, is placed in ball grinder, ball milling 180min, and ball milling revolution 300r/min obtains coated powder；
(3) laser melting coating welds
The laser melting coating of stainless steel surface is carried out on laser；
1. stainless steel plate is placed on the workbench of laser, it is face-up, fixed；
2. by the stainless steel plate on argon nozzle Alignment stage, and it is fixed；
3. adjusting laser power 1000W ~ 2000W of laser-beam welding machine, spot diameter 19mm × 1.5mm, laser scanning speed
5mm/s~7mm/s；
4. the coated powder that ball milling is obtained is placed in powder feeder, argon gas switch is opened；
5. synchronous open laser and powder feeder, laser beam alignment stainless steel plate synchronizes powder feeding scanning welding, wherein argon gas
Flow is 100cm3/min；
6. synchronous to open laser and powder feeder after laser cladding coating is cooled to room temperature, laser beam is aligned on stainless steel plate
Coating synchronize powder feeding, laser remolten, laser power 3000W and scanning speed 10mm/s is used in laser re-melting process,
Wherein protective gas argon flow is 100cm3/min；
7. turning off laser-beam welding machine and argon bottle, stainless steel plate and amorphous coating obtained is made to naturally cool to 25 DEG C；
8. cleaning, cleaned after welding with dehydrated alcohol, is dried after cleaning；
(4) test, analysis and characterization
Detection and analysis characterization is carried out to the stainless steel plate of laser melting coating；
XRD constituent analysis is carried out with X-ray diffractometer；
SEM Metallographic Analysis is carried out with scanning electron microscope:
Vickers hardness is measured with vickers hardness tester；
Conclusion: the hardness of the amorphous coating of the stainless steel surface of laser remolten reaches 750HV, and the amorphous coating amorphous of preparation contains
Amount reaches 54%.
2. a kind of preparation method of iron-based amorphous coating according to claim 1, it is characterised in that:
Laser welder is vertical, is support arm 1 at the middle part of laser welder, is working arm 2 in the upper right quarter of support arm 1, in work
The right part for making arm 2 is equipped with laser melting coating welding gun 3, tunger tube 4, and tunger tube 4 connects argon bottle 6, among tunger tube and argon bottle
Equipped with there is powder feeder 5；It is equipped with lifting pedestal 9 in the lower part of laser welder, workbench 8 is equipped on lifting 9 top of pedestal, is working
It is stainless steel plate 7 on platform 8,7 top of stainless steel plate is amorphous coating 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840475.4A CN110512205A (en) | 2019-09-06 | 2019-09-06 | A kind of preparation method of iron-based amorphous coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840475.4A CN110512205A (en) | 2019-09-06 | 2019-09-06 | A kind of preparation method of iron-based amorphous coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110512205A true CN110512205A (en) | 2019-11-29 |
Family
ID=68631289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910840475.4A Pending CN110512205A (en) | 2019-09-06 | 2019-09-06 | A kind of preparation method of iron-based amorphous coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110512205A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863198A (en) * | 2019-12-16 | 2020-03-06 | 芜湖点金机电科技有限公司 | Metal powder feeding device for part repair based on laser cladding technology |
| CN112857271A (en) * | 2021-01-08 | 2021-05-28 | 中国科学院力学研究所 | Method for judging stability of laser cladding process |
| CN113564585A (en) * | 2021-08-03 | 2021-10-29 | 西安交通大学 | Gradient composite amorphous iron-based coating and preparation method thereof |
| CN114016019A (en) * | 2021-11-05 | 2022-02-08 | 广东海洋大学 | Iron-based amorphous coating and preparation method and application thereof |
| CN114959694A (en) * | 2022-06-27 | 2022-08-30 | 中南大学湘雅医院 | Stomach wall cutting machinery hand |
| CN115141993A (en) * | 2021-09-08 | 2022-10-04 | 武汉苏泊尔炊具有限公司 | Method for manufacturing cookware |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109439995A (en) * | 2018-12-29 | 2019-03-08 | 宝钢轧辊科技有限责任公司 | High entropy amorphous alloy coating and preparation method thereof |
| CN110079798A (en) * | 2019-05-08 | 2019-08-02 | 中北大学 | A method of in titanium alloy sheet surface laser cladding titanium-chromium-aluminum-silicon nickel high-entropy alloy |
-
2019
- 2019-09-06 CN CN201910840475.4A patent/CN110512205A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109439995A (en) * | 2018-12-29 | 2019-03-08 | 宝钢轧辊科技有限责任公司 | High entropy amorphous alloy coating and preparation method thereof |
| CN110079798A (en) * | 2019-05-08 | 2019-08-02 | 中北大学 | A method of in titanium alloy sheet surface laser cladding titanium-chromium-aluminum-silicon nickel high-entropy alloy |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863198A (en) * | 2019-12-16 | 2020-03-06 | 芜湖点金机电科技有限公司 | Metal powder feeding device for part repair based on laser cladding technology |
| CN112857271A (en) * | 2021-01-08 | 2021-05-28 | 中国科学院力学研究所 | Method for judging stability of laser cladding process |
| CN112857271B (en) * | 2021-01-08 | 2022-03-11 | 中国科学院力学研究所 | Method for judging stability of laser cladding process |
| CN113564585A (en) * | 2021-08-03 | 2021-10-29 | 西安交通大学 | Gradient composite amorphous iron-based coating and preparation method thereof |
| CN115141993A (en) * | 2021-09-08 | 2022-10-04 | 武汉苏泊尔炊具有限公司 | Method for manufacturing cookware |
| CN114016019A (en) * | 2021-11-05 | 2022-02-08 | 广东海洋大学 | Iron-based amorphous coating and preparation method and application thereof |
| CN114959694A (en) * | 2022-06-27 | 2022-08-30 | 中南大学湘雅医院 | Stomach wall cutting machinery hand |
| CN114959694B (en) * | 2022-06-27 | 2023-11-17 | 中南大学湘雅医院 | Abdominal wall cutting manipulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110512205A (en) | A kind of preparation method of iron-based amorphous coating | |
| CN109536955B (en) | Cladding mold repairing process adopting laser coaxial synchronous powder feeding method | |
| CN105200420B (en) | A kind of cast-iron head ridge area laser melting and coating process | |
| CN109366256B (en) | A kind of composite polishing method based on laser and plasma | |
| CN110157977A (en) | Iron-based alloy powder for laser remanufacturing and repairing as well as preparation method and application thereof | |
| CN110344056B (en) | Process for preparing cladding layer on surface of copper matrix by high-speed laser cladding technology | |
| CN102615431B (en) | Remanufacturing method for automatic laser cladding of gray cast iron cylinder cover | |
| CN105177569A (en) | Laser repairing method for ductile iron surface | |
| CN107723701A (en) | Unimach rises and falls the electromagnetic agitation laser melting coating restorative procedure of frame member crackle | |
| CN109439995B (en) | High-entropy amorphous alloy coating and preparation method thereof | |
| Zhou et al. | Research status and prospect of extreme high-speed laser cladding technology | |
| CN113832461B (en) | Nickel-based alloy powder for laser cladding, ceramic particle reinforced composite powder and application | |
| CN105483694B (en) | A kind of laser cladding apparatus of oblique cone bench-type sealing surface of valve plate for large size valve | |
| CN110158010B (en) | Shaft part preparation method based on thermal spraying and induction cladding technology | |
| CN111501038A (en) | Method for preparing high-performance iron-based coating by laser composite ultra-high-speed laser cladding | |
| CN110405209A (en) | The method in situ for reducing precinct laser fusion preparation titanium composite material residual stress | |
| CN107760930A (en) | A kind of semiconductor laser deposited nickel-base alloy powder end for being used to repair centrifugation ball milling pipe die inwall | |
| CN109290583A (en) | A method of it eliminating 7075 aluminium alloy selective laser meltings and forms crackle | |
| CN107119272B (en) | A kind of method that port machine walks to take turns laser melting coating stainless steel coating | |
| CN111826650A (en) | Laser cladding composite powder and cladding method | |
| CN102453908A (en) | Repairing technology of metallurgy TRT unit bearing cylinder | |
| CN110747462A (en) | High-speed laser cladding process | |
| CN105586562A (en) | Process for remanufacturing piston rod of concrete pump truck | |
| WO2019214434A1 (en) | Ultrasonic-and-annealing-assisted laser cladding device and method for composite coating | |
| CN111394659B (en) | Alloy powder for laser cladding of crystallizer copper plate and laser cladding method |
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: 20191129 |
|
| RJ01 | Rejection of invention patent application after publication |