CN107723703A - A kind of preparation method of TC4 titanium alloys laser melting coating enhancing coating - Google Patents
A kind of preparation method of TC4 titanium alloys laser melting coating enhancing coating Download PDFInfo
- Publication number
- CN107723703A CN107723703A CN201710999903.9A CN201710999903A CN107723703A CN 107723703 A CN107723703 A CN 107723703A CN 201710999903 A CN201710999903 A CN 201710999903A CN 107723703 A CN107723703 A CN 107723703A
- Authority
- CN
- China
- Prior art keywords
- coating
- titanium
- matrix
- preparation
- powder
- 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
- 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
Abstract
A kind of preparation method of TC4 titanium alloys laser melting coating enhancing coating.It includes pre-processing matrix；Titanium carbide powder and TC4 titanium alloy powders are laid in matrix surface；By hybrid alloys powder using high-power semiconductor laser cladding in steps such as the surfaces of matrix.Advantage of the present invention：The existing higher hardness of laser melting coating alloy powder has excellent wearability and corrosion resistance again；TC4 titanium alloy powders not only possess good wetability, corrosion resistance, high-temperature self-lubrication and act on, and chromium is free of in its composition, environment will not be polluted in experiment or production compared to other alloy powders；Not only good toughness, hardness are high for titanium carbide, resistance to shock loads and wear-resistant grain wear resistance are strong, combined with parent metal with preferable anti-interfacial corrosion polishing machine, in the land part of laser cladding coating and matrix without any crackle and stomata, and the intensity through experiment test laser cladding coating is high.
Description
Technical field
The invention belongs to laser gain material manufacturing technology field, strengthens more particularly to a kind of TC4 titanium alloys laser melting coating and applies
The preparation method of layer.
Background technology
Abrasion is one of 3 big modes (abrasion, burn into fracture) of metal machinery part failure.According to statistics, modern industry is compeled
Being essential will can be in the effectively worked part of severe wear working condition (such as high temperature, high-speed friction wear).
Laser melting and coating technique is an emerging part processing and surface modifications technology, is had compared with low dilution rate, heat affecting
Area is small, metallurgical binding is formed with basal plane, the advantages that cladding part torsional deformation is smaller, process is easy to automate.Laser melts
Coating technique is applied in surface treatment, and the machineries such as the hardness, wearability, corrosion-resistant, endurance of piece surface can be greatly improved
Performance, the service life of material can be greatly improved.For example, aircraft structure, engine component, metal die are contour additional
Often because abrasion, high-temperature gas wash away ablation, high and low cycle fatigue, external force are destroyed etc., factor causes to lose local failure value zero part
Effect, compared with the conventional repair techniques such as arc welding, laser gain material manufacturing technology all has significant from precision and quality
Advantage.
Laser melting and coating technique not yet fully achieves the unstability that the main reason for industrialization is quality of cladding layer at home.
The speed for heating and cooling down in laser cladding process is exceedingly fast, due to the thermograde and thermal coefficient of expansion of cladding layer and matrix material
Between have differences, it is therefore possible to produce number of drawbacks in cladding layer, mainly including stomata, crackle, deformation and uneven surface
Degree.Existing TC4 titanium alloys laser cladding coating hardness is not very high, and there is also substantial amounts of crackle and stomata, therefore
It cannot be guaranteed that under extremely serious abrasive wear operating mode part service life；It is in addition, more in the powder that laser melting coating is commonly used
Containing chromium, therefore easily environment is polluted.So finding a kind of can improve the hard of TC4 titanium alloy laser cladding coatings
Degree is particularly significant with the method for structure stability.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of TC4 titanium alloys laser melting coating enhancing coating
Preparation method.
In order to achieve the above object, the preparation method of TC4 titanium alloys laser melting coating enhancing coating provided by the invention includes
The following steps carried out in order：
Step 1：Using TC4 titanium alloy materials as the matrix of cladding, its sand for surface paper is polished bright and clean, then use acetone
The greasy dirt and rusty stain of solution removal clean surface, to be pre-processed to matrix；
Step 2：By titanium carbide powder and TC4 titanium alloy powders so that 20~40: 60~80 mass ratio is well mixed and is made
Into mixed-powder, then in above-mentioned matrix surface one layer of hybrid alloys powder of tiling by pretreatment；
Step 3：Using argon gas as protective gas, by spot width of the above-mentioned hybrid alloys powder in 4~10mm, 1200W
Using high-power semiconductor laser cladding on the surface of matrix under laser power, 3mm/s sweep speeds, 160mm focal lengths, then
Quickly cool down at room temperature and form one layer of laser cladding coating.
In step 1, the mesh number of described sand paper is 600 mesh.
In step 2, the thickness of described hybrid alloys powder bed is 3~4mm.
In step 2, the granularity of described titanium carbide is：30~50 μm, the granularity of TC4 titanium alloy powders is：40~
100μm。
The preparation method of TC4 titanium alloys laser melting coating enhancing coating provided by the invention has advantages below：
1st, the existing higher hardness of laser melting coating alloy powder has excellent wearability and corrosion resistance again；
2nd, TC4 titanium alloy powders not only possess good wetability, corrosion resistance, high temperature certainly compared to other alloy powders
Lubrication, and chromium is free of in its composition, environment will not be polluted in experiment or production；
3rd, not only good toughness, hardness are high, resistance to shock loads and wear-resistant grain wear resistance are strong for titanium carbide, are combined with parent metal
With preferably anti-interfacial corrosion polishing machine, and good with nickel based metal liquid wetability, with other cermet particles (such as carbon
Change tungsten etc.) compared to being easily obtained；
4th, laser facula width is big, can obtain the cladding layer of larger area；
5th, in the land part of laser cladding coating and matrix without any crackle and stomata, and through experiment test laser
The intensity of cladding coating is high.
Brief description of the drawings
Fig. 1 is the SEM metallographs of laser cladding coating prepared by the embodiment of the present invention one.
Fig. 2 is the SEM metallographs of laser cladding coating prepared by the embodiment of the present invention two.
Fig. 3 is the SEM metallographs of laser cladding coating prepared by the embodiment of the present invention three.
Embodiment
The preparation method for strengthening TC4 titanium alloys laser melting coating provided by the invention coating with reference to specific embodiment is entered
Row describes in detail.
Embodiment one：
The preparation method for the TC4 titanium alloys laser melting coating enhancing coating that the present embodiment provides is following including carrying out in order
Step：
Step 1：It is using TC4 titanium alloy materials as the matrix of cladding, its surface is bright and clean with the polishing of 600 mesh sand paper, then use
Acetone soln removes the greasy dirt and rusty stain of clean surface, to be pre-processed to matrix；
Step 2：By titanium carbide powder and TC4 titanium alloy powders so that 20: 80 mass ratio is well mixed and mixed powder is made
End, then in above-mentioned matrix surface one layer of hybrid alloys powder of tiling by pretreatment；The thickness of hybrid alloys powder bed
3mm；
Step 3：Using argon gas as protective gas, by spot width of the above-mentioned hybrid alloys powder in 6mm, 1200W laser
Using high-power semiconductor laser cladding on the surface of matrix under power, 3mm/s sweep speeds, 160mm focal lengths, then room temperature
It is lower quickly to cool down and one layer of laser cladding coating of formation.
Through micro-hardness testing, the hardness average value of gained laser cladding coating is 658.2HV；SEM metallographs such as Fig. 1 institutes
Show.
Embodiment two：
The preparation method for the TC4 titanium alloys laser melting coating enhancing coating that the present embodiment provides is following including carrying out in order
Step：
Step 1：It is using TC4 titanium alloy materials as the matrix of cladding, its surface is bright and clean with the polishing of 600 mesh sand paper, then use
Acetone soln removes the greasy dirt and rusty stain of clean surface, to be pre-processed to matrix；
Step 2：By titanium carbide powder and TC4 titanium alloy powders so that 30: 70 mass ratio is well mixed and mixed powder is made
End, then in above-mentioned matrix surface one layer of hybrid alloys powder of tiling by pretreatment；The thickness of hybrid alloys powder bed
3.5mm；
Step 3：Using argon gas as protective gas, above-mentioned hybrid alloys powder is swashed in 10mm spot width, 1200W
Using high-power semiconductor laser cladding on the surface of matrix under luminous power, 3mm/s sweep speeds, 160mm focal lengths, then room
Temperature is lower quickly to be cooled down and one layer of laser cladding coating of formation.
Through micro-hardness testing, the hardness average value of gained laser cladding coating is 728.2HV；SEM metallographs such as Fig. 2 institutes
Show.
Embodiment three：
The preparation method for the TC4 titanium alloys laser melting coating enhancing coating that the present embodiment provides is following including carrying out in order
Step：
Step 1：It is using TC4 titanium alloy materials as the matrix of cladding, its surface is bright and clean with the polishing of 600 mesh sand paper, then use
Acetone soln removes the greasy dirt and rusty stain of clean surface, to be pre-processed to matrix；
Step 2：By titanium carbide powder and TC4 titanium alloy powders so that 40: 60 mass ratio is well mixed and mixed powder is made
End, then in above-mentioned matrix surface one layer of hybrid alloys powder of tiling by pretreatment；The thickness of hybrid alloys powder bed
4mm；
Step 3：Using argon gas as protective gas, by spot width of the above-mentioned hybrid alloys powder in 8mm, 1200W laser
Using high-power semiconductor laser cladding on the surface of matrix under power, 3mm/s sweep speeds, 160mm focal lengths, then room temperature
It is lower quickly to cool down and one layer of laser cladding coating of formation.
Through micro-hardness testing, the hardness average value of gained laser cladding coating is 728.2HV；SEM metallographs such as Fig. 3 institutes
Show.
Claims (4)
- A kind of 1. preparation method of TC4 titanium alloys laser melting coating enhancing coating, it is characterised in that：Described preparation method includes pressing The following steps that order is carried out：Step 1：Using TC4 titanium alloy materials as the matrix of cladding, its sand for surface paper is polished bright and clean, then use acetone soln The greasy dirt and rusty stain of clean surface are removed, to be pre-processed to matrix；Step 2：By titanium carbide powder and TC4 titanium alloy powders so that 20~40: 60~80 mass ratio is well mixed and is made mixed Powder is closed, then in above-mentioned matrix surface one layer of hybrid alloys powder of tiling by pretreatment；Step 3：Using argon gas as protective gas, by spot width of the above-mentioned hybrid alloys powder in 4~10mm, 1200W laser Using high-power semiconductor laser cladding on the surface of matrix under power, 3mm/s sweep speeds, 160mm focal lengths, then room temperature It is lower quickly to cool down and one layer of laser cladding coating of formation.
- 2. the preparation method of TC4 titanium alloys laser melting coating enhancing coating according to claim 1, it is characterised in that：In step In rapid one, the mesh number of described sand paper is 600 mesh.
- 3. the preparation method of TC4 titanium alloys laser melting coating enhancing coating according to claim 1, it is characterised in that：In step In rapid two, the thickness of described hybrid alloys powder bed is 3~4mm.
- 4. the preparation method of TC4 titanium alloys laser melting coating enhancing coating according to claim 1, it is characterised in that：In step In rapid two, the granularity of described titanium carbide is：30~50 μm, the granularity of TC4 titanium alloy powders is：40~100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999903.9A CN107723703A (en) | 2017-10-24 | 2017-10-24 | A kind of preparation method of TC4 titanium alloys laser melting coating enhancing coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999903.9A CN107723703A (en) | 2017-10-24 | 2017-10-24 | A kind of preparation method of TC4 titanium alloys laser melting coating enhancing coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107723703A true CN107723703A (en) | 2018-02-23 |
Family
ID=61213434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710999903.9A Pending CN107723703A (en) | 2017-10-24 | 2017-10-24 | A kind of preparation method of TC4 titanium alloys laser melting coating enhancing coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107723703A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108754491A (en) * | 2018-05-31 | 2018-11-06 | 株洲辉锐增材制造技术有限公司 | A kind of titanium alloy surface method of modifying and its surface modified titanium alloy |
| CN108977803A (en) * | 2018-07-04 | 2018-12-11 | 湖南工业大学 | A kind of preparation method of TC4/TiC laser melting coating composite coating |
| CN110983106A (en) * | 2019-12-27 | 2020-04-10 | 华南理工大学 | Method for inhibiting formation of needle-like martensite phase in 3D printing forming TC4 alloy structure |
| CN111058027A (en) * | 2019-12-17 | 2020-04-24 | 西北工业大学 | Preparation method of DM code with strong wear resistance |
| CN112483626A (en) * | 2020-12-02 | 2021-03-12 | 东南大学 | Self-lubricating gear based on additive manufacturing and preparation method thereof |
| CN113699521A (en) * | 2021-09-01 | 2021-11-26 | 成都航空职业技术学院 | High-performance titanium alloy surface coating and preparation method thereof |
| CN115094413A (en) * | 2022-05-13 | 2022-09-23 | 阳江合金材料实验室 | High-end pure titanium cutter based on laser cladding titanium alloy powder and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774139A (en) * | 2014-01-21 | 2014-05-07 | 天津工业大学 | Method for strengthening surface of laser-clad titanium alloy |
| CN105695981A (en) * | 2014-11-28 | 2016-06-22 | 北京有色金属研究总院 | High-toughness, high-rigidity and pressure-proof coating on titanium alloy surface and preparation method thereof |
| CN108118329A (en) * | 2016-11-29 | 2018-06-05 | 王国斌 | A kind of preparation method for improving titanium alloy composite coating wear-resisting property |
-
2017
- 2017-10-24 CN CN201710999903.9A patent/CN107723703A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774139A (en) * | 2014-01-21 | 2014-05-07 | 天津工业大学 | Method for strengthening surface of laser-clad titanium alloy |
| CN105695981A (en) * | 2014-11-28 | 2016-06-22 | 北京有色金属研究总院 | High-toughness, high-rigidity and pressure-proof coating on titanium alloy surface and preparation method thereof |
| CN108118329A (en) * | 2016-11-29 | 2018-06-05 | 王国斌 | A kind of preparation method for improving titanium alloy composite coating wear-resisting property |
Non-Patent Citations (1)
| Title |
|---|
| 葛茂忠等: "激光熔覆再制造对 TC4 钛合金微观结构和冲击韧性的影响", 《热加工工艺》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108754491A (en) * | 2018-05-31 | 2018-11-06 | 株洲辉锐增材制造技术有限公司 | A kind of titanium alloy surface method of modifying and its surface modified titanium alloy |
| CN108977803A (en) * | 2018-07-04 | 2018-12-11 | 湖南工业大学 | A kind of preparation method of TC4/TiC laser melting coating composite coating |
| CN111058027A (en) * | 2019-12-17 | 2020-04-24 | 西北工业大学 | Preparation method of DM code with strong wear resistance |
| CN110983106A (en) * | 2019-12-27 | 2020-04-10 | 华南理工大学 | Method for inhibiting formation of needle-like martensite phase in 3D printing forming TC4 alloy structure |
| CN110983106B (en) * | 2019-12-27 | 2021-11-05 | 华南理工大学 | Method for inhibiting formation of needle-like martensite phase in 3D printing forming TC4 alloy structure |
| CN112483626A (en) * | 2020-12-02 | 2021-03-12 | 东南大学 | Self-lubricating gear based on additive manufacturing and preparation method thereof |
| CN113699521A (en) * | 2021-09-01 | 2021-11-26 | 成都航空职业技术学院 | High-performance titanium alloy surface coating and preparation method thereof |
| CN115094413A (en) * | 2022-05-13 | 2022-09-23 | 阳江合金材料实验室 | High-end pure titanium cutter based on laser cladding titanium alloy powder and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107723703A (en) | A kind of preparation method of TC4 titanium alloys laser melting coating enhancing coating | |
| CN107138924B (en) | A kind of bimetallic dual-property titanium alloy integral blade disk manufacturing method | |
| CN105861882B (en) | A kind of laser in combination manufacture special metals powder and its application in hard seal ball valve | |
| CN103233224B (en) | Method for preparing high-chromium wear-resistant alloy through laser cladding | |
| CN104195550A (en) | Preparation method of WC-NiSiB laser cladding material | |
| CN104313575A (en) | Preparation method of iron-base titanium carbide laser cladding material | |
| CN103231064B (en) | Manufacturing method for novel nickel base solder brazing monolayer diamond grinding wheel | |
| CN105925979A (en) | Iron-based titanium carbide laser cladding material | |
| CN104294268B (en) | A kind of wear-resisting deflector roll preparation method | |
| CN109504966A (en) | A kind of preparation method of cylinder head vermicular cast iron surface abrasion resistance anti-friction coating | |
| WO2012130455A2 (en) | Slide component and method for production of cladding on a substrate | |
| CN106191853A (en) | A kind of wear resistant friction reducing cermet composite coating technique of hot die steel | |
| CN104911586A (en) | Method for cladding tungsten carbide coating on surface of metal substrate | |
| CN109055932A (en) | A kind of heavy-duty gear reparation alloy powder and its restorative procedure using waste hand alloy material | |
| CN104831270A (en) | Preparation method of iron-base nickel-wrapped tungsten carbide laser cladding material | |
| CN111575704A (en) | Rare earth-containing titanium alloy surface self-lubricating wear-resistant coating and preparation method thereof | |
| Meng et al. | Turning processes and mechanism of compacted graphite iron used for high performance engine | |
| CN102672144A (en) | Preparation method for tungsten carbide ceramic/heat-resisting alloy based heat-resisting and wear-resisting composite material | |
| CN105088220A (en) | Composite carbide and carbonitride alloy used for laser cladding | |
| CN107350713B (en) | Box body of speed reducer bearing hole technology for repairing wear | |
| CN105624668A (en) | Three-dimensional reticular texture structure composite coating and preparation method thereof | |
| CN109136910A (en) | A kind of high abrasion coating material and the preparation method and application thereof | |
| CN107937860A (en) | A kind of preparation method of argon arc remelting Fe base wearing layers | |
| CN109898046A (en) | Preventing corrosion from molten metals, abrasion axle sleeve protective coating preparation method | |
| CN112301345A (en) | Laser cladding alloy powder for cast steel roller and laser cladding method thereof |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180223 |