CN104120425B - Process for laser cladding of rare earth yttrium oxide, aluminum and iron-based alloy composite coating layer on surface of aluminum alloy - Google Patents
Process for laser cladding of rare earth yttrium oxide, aluminum and iron-based alloy composite coating layer on surface of aluminum alloy Download PDFInfo
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- CN104120425B CN104120425B CN201410350863.1A CN201410350863A CN104120425B CN 104120425 B CN104120425 B CN 104120425B CN 201410350863 A CN201410350863 A CN 201410350863A CN 104120425 B CN104120425 B CN 104120425B
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- 239000000956 alloy Substances 0.000 title claims abstract description 38
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 37
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 26
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 21
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004372 laser cladding Methods 0.000 title claims abstract description 10
- 239000002131 composite material Substances 0.000 title claims abstract description 8
- -1 rare earth yttrium oxide Chemical class 0.000 title claims abstract 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract description 16
- 229910052742 iron Inorganic materials 0.000 title abstract description 7
- 239000011247 coating layer Substances 0.000 title abstract description 3
- 238000005253 cladding Methods 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 17
- 230000003647 oxidation Effects 0.000 claims abstract description 9
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 9
- 239000011159 matrix material Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 150000002910 rare earth metals Chemical class 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000002000 scavenging effect Effects 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 18
- 230000007547 defect Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- 238000005240 physical vapour deposition Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 2
- 229910000553 6063 aluminium alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a process for laser cladding of a rare earth yttrium oxide, aluminum and iron-based alloy composite coating layer on the surface of an aluminum alloy. Firstly, a rare earth yttrium oxide, aluminum and iron-based self-fluxing alloy powder layer is coated on the surface of the aluminum alloy; and then, the powder layer is scanned by using a laser beam to melt, and is coated on the surface of the aluminum alloy to form a rare earth yttrium oxide, aluminum and iron-based self-fluxing alloy cladding layer. The cladding layer and a basis material are metallurgically bonded, so that the stronger bonding force is achieved, the metal structure defects are fewer, and the performances of material surface bonding force, hardness, wear resistance, corrosion resistance, impact resistance and oxidation resistance can be largely improved.
Description
Technical field
The present invention relates to Surface Engineering field, specifically a kind of Alloy Cladding on Al Surface by Laser rare-earth oxidation yttrium+aluminum+iron-based
The technique of Alloy Composite Coating.
Background technology
Aluminum and aluminium alloy are one of most widely used materials in non-ferrous metal, and aluminium alloy has little density, easy processing, heat
Many excellent properties such as the coefficient of expansion is low, thermal conductivity is high, specific stiffness and specific strength height.Obtain extensively in daily production and life
Using.Laser melting coating is a kind of material surface modifying technology grown up over nearly 30 years, with physical vapour deposition (PVD) (PVD), change
Learn vapour deposition (CVD) and various spraying coating process are compared, laser cladding layer thickness is larger, and crystal grain is tiny, dense structure, and performance is excellent
It is good, with higher application and researching value.Fe-based self-fluxing alloy material is good with its hardness height, wearability and high temperature oxidation resistance
The features such as be widely used in the surface intensified techniques such as laser melting coating, thermal spraying.Close in Alloy Cladding on Al Surface by Laser iron-based
Layer gold, for improving the combination property of aluminum alloy surface, effect is significant can be applied to automobile, high ferro, Aero-Space, machinery
In the surface peening processing of the industry parts such as processing, so as to the lightweight of product design requirement can be met, maintain
The high rigidity on aluminium alloy obdurability and cladding alloy surface, high-wearing feature.But due to alloy matrix aluminum and iron-based cladding layer
The physical and chemical performance of material（Fusing point, electronegativity, thermal coefficient of expansion etc.）Difference, in aluminum alloy surface cladding ferrous alloy Chang Buke
There are a large amount of tissue defects with avoiding（Such as pore, crackle, be mingled with）.
The content of the invention
The purpose of the present invention is, to overcome the deficiencies in the prior art, and to provide a kind of Alloy Cladding on Al Surface by Laser rare earth oxygen
The technique for changing yttrium+aluminum+ferrous alloy composite cladding layer, it can overcome Alloy Cladding on Al Surface by Laser iron alloy coating often to go out
Existing pore, crackle, collapse that damage comes off and uneven microstructure etc. uses defect, the metallurgical junction for improving material surface is made a concerted effort and wear-resisting, resistance to
The performances such as erosion, impact resistance, non-oxidizability.
Realizing the technical scheme of the object of the invention is：
A kind of technique of Alloy Cladding on Al Surface by Laser rare-earth oxidation yttrium+aluminum+ferrous alloy composite cladding layer, including it is as follows
Step：
（1）With aluminum or aluminum alloy as matrix material, first with the pre- cladding material surface of fine sandpaper polishing, acetone is used afterwards
Cleaning, makes material surface roughness Ra<2μm；Then matrix material table is cleaned successively with corrosive liquid, scavenging solution, cleanout fluid etc.
Face, places in ultrasonic instrument and cleans more than half an hour；Finally the matrix material for having cleaned is put into into drying baker, drying half is little
When more than；
（2）Configuration cladding material：The cladding material proportioning is measured by weight, rare earth oxide yttrium oxide powder, aluminum
Powder and Fe50 complex alloy powder ratios are respectively 2～6：10～30：88～64；Above-mentioned cladding material powder is sufficiently mixed,
Ethanol binding agent is added Jing after ball mill grinding, is stirred into a paste, be then coated uniformly on alloy matrix aluminum table with brush
Face, and make coat thickness for 0.8～1.5 mm, Jing after drying naturally, then carry out drying and processing；
（3）The alloy matrix aluminum of the above-mentioned cladding material that bondd is loaded in argon protection reaction vessel, and will be protected anti-
Container is answered to be mounted on the workbench of the numerical control machine tool that can make three-dimensional motion, then to protection reaction vessel injection 99.999%
High purity argon, and certain time, are allowed to exclude the air in reaction vessel as far as possible；
（4）Numerical control program is woven according to predetermined laser cladding technological parameter, starts the working procedure of Digit Control Machine Tool, together
Shi Qidong CO2Laser instrument carries out Laser Cladding Treatment to aluminium alloy cladding layer, allows laser beam to scan according to predetermined processor
Cladding layer on aluminium alloy matrix surface so as to which the overlapping rate of multiple tracks scanning is up to 20%～30%.By the high temperature cladding of laser beam,
Above-mentioned cladding layer material is set to be in metallurgical binding with alloy matrix aluminum.
Step（1）Described matrix material can be all models of aluminum and aluminium alloy of national Specification；The corrosive liquid
For 3～10% hydrochloric acid, scavenging solution and cleanout fluid are acetone and clear water；
Step（2）The particle size range of middle rare earth yittrium oxide, aluminium powder and Fe50 alloy powders is 45 ~ 150 μm；
Step（4）The technological parameter of the laser melting coating is：3～6kW of output, 4～10mm of spot diameter, scanning speed
400～1000mm/min of degree, in high-purity Ar gas（＞ 99.99%）Protection atmosphere in, throughput be 10～30Lmin-1；
The present invention innovative point be：Using aluminum and aluminium alloy as matrix material, prepared using cladding laser surfaces technology
Go out high performance rare-earth oxidation yttrium+aluminum+Fe-based self-fluxing alloy cladding layer, make to realize good smelting between cladding layer and matrix material
Gold is combined, and reduces cladding layer metal structure defect, improves the adhesion and the performance such as wear-resisting, anti-corrosion, non-oxidizability of material.
Specific embodiment
The present invention is further illustrated below by way of specific example：
Sample base material is 6063 aluminium alloys, and size 100mm × 60mm × 20mm (length × width x thickness) is beaten first with fine sandpaper
Pre- cladding material surface is ground, is cleaned with acetone afterwards, make material surface roughness Ra<2μm；Then with corrosive liquid, scavenging solution,
Cleanout fluid etc. cleans successively substrate material surface, places in ultrasonic instrument and cleans more than half an hour；Finally will clean
Matrix material is put into drying baker, dries more than half an hour.
It is by the powder mixture ratio of laser cladding coating（Mass fraction）：Aluminum+75%Fe50 the alloyed powders of 5% yittrium oxide+20%, dry
Dry doubling uniformly mixes, and adds ethanol binding agent to be coated uniformly on aluminum alloy surface, and coating layer thickness is 1.2 mm.
Laser melting coating is using 6kW crossing current CO2Laser thermal processing apparatus, the aluminium alloy for being coated with hybrid alloys powder is put into
In semi-enclosed processing vessel, it is passed through Ar gas and is protected, prevents the oxygen uptake in molten bath and the oxidation of alloy, throughput from being
20L·min-1.Laser scanning manufacturing is carried out using Technology of NC Programming, technological parameter is elected as：Power 3800W, spot diameter
5mm, scanning speed 600mm/min.After the completion of scanning machining, take out workpiece and cool down in air at normal temperatures, aluminum alloy surface is
Rare earth oxide yittrium oxide+aluminum+Fe50 Alloy by Laser cladding composite cladding layers can be obtained.
Jing is tested, and after the embodiment, yittrium oxide+aluminum+Fe50 alloy powder laser cladding layer hardness is reachable
1300HV, layer depth about 1mm, are in metallurgical binding with matrix, microstructure pore-free, be mingled with, the defect such as crackle, and wearability and resistance to
Corrosivity have been respectively increased about 1 times.
Claims (3)
1. a kind of technique of Alloy Cladding on Al Surface by Laser rare-earth oxidation yttrium+aluminum+ferrous alloy composite coating, is characterized in that：Bag
Include following steps：
（1）With aluminium alloy as matrix material, the substrate material surface of pre- cladding of being polished with fine sandpaper first is clear with acetone afterwards
Wash, make substrate material surface roughness Ra<2μm；Then matrix material table is cleaned successively with corrosive liquid, scavenging solution, cleanout fluid
Face, places in ultrasonic instrument and cleans more than half an hour；Finally the matrix material for having cleaned is put into into drying baker, drying half is little
When more than；
（2）Configuration cladding material：The cladding material proportioning is measured by weight, and rare-earth oxidation yttrium powder, aluminium powder and Fe50 are answered
Close alloy powder ratio and be respectively 2～6：10～30：88～64；Above-mentioned cladding material powder is sufficiently mixed, Jing ball mill grinds
Ethanol binding agent is added after mill, is stirred into a paste, be then coated uniformly on alloy matrix aluminum material surface with brush, and made
Coat thickness is 0.8～1.5 mm, Jing after drying naturally, then carries out drying and processing；
（3）The alloy matrix aluminum material of the above-mentioned cladding material that bondd is loaded in homemade argon protection reaction vessel, and will
The protection reaction vessel is mounted on the workbench of the numerical control machine tool that can make three-dimensional motion, then to protection reaction vessel injection
99.999% high purity argon, and certain time, are allowed to exclude the air in reaction vessel as far as possible；
（4）Numerical control program is woven according to predetermined laser cladding technological parameter, starts the working procedure of Digit Control Machine Tool, while opening
Dynamic CO2Laser instrument carries out Laser Cladding Treatment to the cladding layer of alloy matrix aluminum material surface, allows laser beam to add according to predetermined
Cladding layer on work program scanning alloy matrix aluminum material surface so as to which the overlapping rate of multiple tracks scanning is up to 20%～30%；
By the high temperature cladding of laser beam, above-mentioned cladding layer material is set to be in metallurgical binding with alloy matrix aluminum material；
The technological parameter of the laser melting coating is：3～6kW of output, 4～10mm of spot diameter, scanning speed 400～
1000mm/min, in the protection atmosphere of high-purity Ar gas ＞ 99.99%, throughput is 10～30Lmin-1。
2. technique according to claim 1, is characterized in that：Step（1）The corrosive liquid is 3～10% hydrochloric acid, scavenging solution
For acetone, cleanout fluid is clear water.
3. technique according to claim 1, is characterized in that：Step（2）Middle rare earth yttrium oxide powder, aluminium powder and Fe50 alloys
The particle size range of powder is 45 ~ 150 μm.
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|---|---|---|---|
| CN201410350863.1A CN104120425B (en) | 2014-07-22 | 2014-07-22 | Process for laser cladding of rare earth yttrium oxide, aluminum and iron-based alloy composite coating layer on surface of aluminum alloy |
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| CN201410350863.1A CN104120425B (en) | 2014-07-22 | 2014-07-22 | Process for laser cladding of rare earth yttrium oxide, aluminum and iron-based alloy composite coating layer on surface of aluminum alloy |
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| CN104759625B (en) * | 2015-03-27 | 2017-01-04 | 桂林电子科技大学 | A kind of material and the method that use laser 3D printing technique to prepare aluminum alloy junction component |
| CN109536950A (en) * | 2018-12-12 | 2019-03-29 | 江苏大学 | A kind of composite powder improving aluminum alloy heat fatigue behaviour by Laser Cladding Treatment |
| CN113061795A (en) * | 2021-02-07 | 2021-07-02 | 山东大学 | Aluminum alloy surface laser alloying material, wear-resistant coating, and preparation method and application thereof |
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| CN103628055B (en) * | 2013-11-15 | 2016-04-27 | 桂林电子科技大学 | A kind of at aluminum or aluminum alloy surface laser cladding Rare-Earth Ce O 2the technique of-Ni60 Alloy Composite Coating |
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Application publication date: 20141029 Assignee: Guilin yanchuang Semiconductor Technology Co.,Ltd. Assignor: GUILIN University OF ELECTRONIC TECHNOLOGY Contract record no.: X2023980046590 Denomination of invention: A Process of Laser Cladding Rare Earth Yttrium Oxide+Aluminum+Iron Base Alloy Composite Coating on Aluminum Alloy Surface Granted publication date: 20170412 License type: Common License Record date: 20231108 |