CN106591626A - TA18 titanium alloy composite material and preparation method and application thereof - Google Patents
TA18 titanium alloy composite material and preparation method and application thereof Download PDFInfo
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 67
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 47
- 239000000956 alloy Substances 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000010936 titanium Substances 0.000 claims description 29
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 24
- 229910052719 titanium Inorganic materials 0.000 claims description 21
- 239000011159 matrix material Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 238000000151 deposition Methods 0.000 claims description 8
- 230000008021 deposition Effects 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 238000005253 cladding Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 238000004372 laser cladding Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- 239000011572 manganese Substances 0.000 claims 1
- 229910052720 vanadium Inorganic materials 0.000 claims 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 11
- 230000003647 oxidation Effects 0.000 description 11
- 238000007254 oxidation reaction Methods 0.000 description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 6
- 239000002243 precursor Substances 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000003064 anti-oxidating effect Effects 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 241000292525 Titanio Species 0.000 description 2
- -1 alkyl silicate Chemical compound 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910010038 TiAl Inorganic materials 0.000 description 1
- 229910010039 TiAl3 Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229960000935 dehydrated alcohol Drugs 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007745 plasma electrolytic oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- 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
Abstract
The invention discloses a TA18 titanium alloy composite material. The material consists of a TA18 titanium alloy substrate and a high-entropy alloy layer. The invention further discloses a preparation method of the composite material; and elements of a high-entropy alloy are mixed in proportion, and are clad on the surface of a TA18 titanium alloy under the effect of laser. The composite material has the advantage of high specific strength of the titanium alloy, can be used under high-temperature environment, and makes up the defects of a traditional titanium alloy.
Description
Technical field
The present invention relates to TA18 titanium alloy composite materials field, and in particular to a kind of TA18 titanium alloy composite materials and its system
Preparation Method and application.
Background technology
Titanium alloy is a kind of metal material of excellent performance, and its density is low, intensity is high, and its specific strength is in all metals
Highest.Thus, titanium alloy is widely applied in fields such as national defence, Aero-Space.But, the resistance to elevated temperatures of titanium alloy
Bad, at high temperature, titanium alloy is very easy to oxidation, thus limits its application.
The patent of invention of Publication No. 1789486 provides a kind of anti-oxidation treatment method of titanium-aluminium alloy, includes successively
Following steps：One object for having pending processing titanium-aluminium alloy surface is provided, on the titanium-aluminium alloy surface aluminium film is formed；It is right
The titanium-aluminium alloy surface is diffused process to form a TiAl on its surface3Layer.Simple to operate, feasibility of the invention is high, energy
Effectively improve the high-temperature oxidation resistance of titanium-aluminium alloy.
It is wear-resistant compound that the patent of invention of Publication No. 104947107A provides a kind of titanium or titanium alloy surface oxidation-resistant
Coating and preparation method thereof, belongs to technical field of surface.The composite coating is by internal layer oxygen barrier layer and outer abrasion resistant antioxidation
Layer composition；Oxygen barrier layer is the aluminized coating of rich aluminum, and its main component is TiAl3, wear-resisting anti oxidation layer is Al for composition2O3And TiO2
High-hardness ceramic.The method includes 1, titanium or titanium alloy surface pretreatment；2nd, titanium or Pack Aluminizing on Ti Alloys are processed；3rd, titanium or
Titanium-alloy surface micro-arc oxidation process.The method is simple, is adapted to useful industrially；The composite coating high temperature oxidation resistance will get well
In existing protective coating, solve the problems, such as that common aluminising forms penetrating crack and sprayed coating adhesion is low, solve titanium conjunction
The problems such as golden common differential arc oxidation hardness is not enough, nitridation modified layer is relatively thin, meets most of titanium alloy parts to wearability
Require.
The patent of invention of Publication No. 103103593A discloses the surface ceramic oxidation of a kind of aluminum, magnesium, titanium or its alloy
Method, be related to the surface ceramic oxidation technology field of a kind of metal and its alloy, by with aluminum, magnesium, titanium or its alloy as material
Workpiece is put in the electrolytic solution, with the workpiece as anode, additional cathode around it, and between the anode and cathode in addition 500V is electric
Pressure, while be scanned in surface of the work with laser beam, so as to aoxidize out in-situ authigenic into ceramic membrane in surface of the work.Using this
Inventive method can aoxidize out ceramic membrane in aluminum, magnesium, titanium or its alloy surface in-situ authigenic, so as to aluminum, magnesium, titanium or its alloy
Workpiece for material is strengthened, and improves its wearability and corrosion resistance.
The patent of invention of Publication No. 105543798A provides a kind of side of raising titanium-base alloy high temperature oxidation resistance
Method, comprises the following steps：1) oxide on surface of titanium-based alloy matrix is removed, is then cleaned, is dried；2) ion implantation is adopted
Characteristic ion is injected in titanium-based alloy matrix；Characteristic ion is one kind in Cr, Y, Nb, F, Cl ion or arbitrarily several；3)
Dehydrated alcohol, water and precursor alkyl silicate are mixed in proportion, then adjusts mixed system pH to 2.0～6.0, stirred under room temperature
Mix and obtain precursor solution；4) precursor solution for preparing is added in two slot electrodes, is closed with the titanio for being filled with characteristic ion
Gold is negative electrode, and platinized platinum or graphite carry out electro-deposition, working electrode is washed into post-drying after the completion of deposition, obtains as to electrode
Micro-nano oxide coating；5) titanium-base alloy of micro-nano oxide coating heat treatment in atmosphere is will be covered with, anti-height is obtained
Warm oxide covering, significantly improves the high temperature oxidation resistance of titanium-base alloy.
The patent of invention of Publication No. 105603483A discloses a kind of preparation side of titanium-base alloy high temperature coatings
Method, comprises the following steps：1) oxide on surface of titanium-based alloy matrix is removed first, is then cleaned, is dried；2) in proportion by nothing
The mixing of water-ethanol, water and precursor alkyl silicate, pH of mixed is adjusted to 2.0～6.0 with acid, and 2～48h is stirred under room temperature, is obtained
To precursor solution；3) precursor solution for preparing is added in two slot electrodes, using titanium-based alloy matrix as working electrode, platinum
, used as to electrode, in 1-10cm, control electric current density is -0.1mAcm for electrode spacing control for piece or graphite-2～-5.0mA
cm-2, sedimentation time is 30s～2000s, is washed after 40～150 DEG C of drying, obtains micro-nano oxide coating；4) will cover
There is the titanium-base alloy of micro-nano oxide coating 10～60min of heat treatment at 600～700 DEG C in atmosphere, that is, titanio is obtained
Alloy high temperature coatings.The present invention is simple, has excellent adhesion between the coating and matrix of acquisition, can
Significantly improve titanium-aluminium alloy high-temperature oxidation resistance.
Above method can improve the applied at elevated temperature performance of titanium alloy, but typically all reduce the mechanical property of material surface
Energy.
The content of the invention
Goal of the invention：In order to improve the use temperature of titanium alloy, the technical problem to be solved there is provided one
Plant TA18 titanium alloy composite materials.
The technical problem also to be solved of the invention there is provided a kind of preparation method of TA18 titanium alloy composite materials.
The technical problem also to be solved of the invention there is provided a kind of application of TA18 titanium alloy composite materials.
The use temperature of conventional titanium alloy is no more than 650 degrees Celsius, and the present invention is using the method for laser cladding, system
Standby titanium alloy-high-entropy alloy composite, can bring up to more than 800 degrees Celsius by the use temperature of titanium alloy.
For achieving the above object, the technical solution used in the present invention is：A kind of TA18 titanium alloy composite materials, the alloy by
TA18 titanium alloy substrates are constituted with high-entropy alloy layer.
Preferably, high-entropy alloy presses atomic percent including following component：Ti：V is 1：1.5 ~ 2, V：Cr is 1：0.9~
1.1, V：Al is 1：0.9 ~ 1.1, V：Mn is 1：0.9~1.1.
Preferably, the thickness of above-mentioned high-entropy alloy layer is 100-5000 microns.
The preparation method of above-mentioned TA18 titanium alloy composite materials, comprises the following steps：
1）Prepare dusty raw materials, and mix homogeneously according to above-mentioned high-entropy alloy element ratio；
2）Prepare TA18 titanium alloy substrates, remove removing oxide layer, clean up surface；
3）In an inert atmosphere using laser instrument in TA18 titanium alloy surface deposition high-entropy alloys, design parameter is：Laser instrument is swept
Speed 3mm/s is retouched, spot diameter is 2.8mm, and sweep span 1.6mm, powder feed rate is 2g/min, until final cladding layer and base
Body is well combined；
4）Air cooling, thus obtains TA18 titanium alloys-high-entropy alloy composite.
Application of the above-mentioned TA18 titanium alloy composite materials at aspects such as Aero-Space, the vehicles.
Beneficial effect：The present invention has advantages below：A kind of TA18 titanium alloys can be prepared using the method for the present invention to answer
Condensation material, can bring up to more than 800 degrees Celsius, far above the use temperature of conventional titanium alloy by the use temperature of titanium alloy
（Generally below 650 degrees Celsius）.This is the titanium alloy that inside can be protected because high-entropy alloy layer has excellent high-temperature behavior
It is not oxidized.Also, because high-entropy alloy has high hardness and intensity, therefore, the present invention using coating surface than being protected
The case hardness of titanium alloy, intensity it is higher.The present invention is improved in the case where titanium alloy surface intensity and hardness is not lost
The high-temperature behavior of titanium alloy.The high-entropy alloy of the present invention is not using rare earth element costly, and low cost, effect is good.
Specific embodiment
The present invention is further illustrated with reference to specific embodiment.
Embodiment 1：The preparation of TA18 titanium alloy composite materials
1）According to Ti：V：Cr：Al：Mn =1：2：1.8： 2.2：1.8 atomic ratio be preparing metal powder, mix homogeneously；
2）Prepare TA18 titanium alloy substrates, remove removing oxide layer, clean up surface；
3）In an inert atmosphere using carbon dioxide laser in titanium alloy surface deposition high-entropy alloy, design parameter is：Laser
Device scanning speed 3mm/s, spot diameter is 2.8mm, and sweep span 1.6mm, powder feed rate is 2g/min, until final cladding layer
It is well combined with matrix；
4）Air cooling, thus obtains TA18 titanium alloys-high-entropy alloy composite.
Embodiment 2：The preparation of TA18 titanium alloy composite materials
1）According to Ti：V：Cr：Al：Mn=1：1.5：1.5：1.5：1.6 atomic ratio be preparing metal powder, mix homogeneously；
2）Prepare TA18 titanium alloy substrates, remove removing oxide layer, clean up surface；
3）In an inert atmosphere using carbon dioxide laser in titanium alloy surface deposition high-entropy alloy, design parameter is：Laser
Device scanning speed 3mm/s, spot diameter is 2.5mm, and sweep span 1.5mm, powder feed rate is 2g/min, until final cladding layer
It is well combined with matrix；
4）Air cooling, thus obtains TA18 titanium alloys-high-entropy alloy composite.
Embodiment 3：The preparation of TA18 titanium alloy composite materials
1）According to Ti：V：Cr：Al：Mn =1：2：1.9：2.1：1.9 atomic ratio be preparing metal powder, mix homogeneously；
2）Prepare TA18 titanium alloy substrates, remove removing oxide layer, clean up surface；
3）In an inert atmosphere using carbon dioxide laser in titanium alloy surface deposition high-entropy alloy, design parameter is：Laser
Device scanning speed 3mm/s, spot diameter is 2.8mm, and sweep span 1.6mm, powder feed rate is 2g/min, until final cladding layer
It is well combined with matrix；
4）Air cooling, thus obtains TA18 titanium alloys-high-entropy alloy composite.
Embodiment 4：The preparation of TA18 titanium alloy composite materials
1）According to Ti：V：Cr：Al：Mn =1：2：2.2：1.8：2.2 atomic ratio be preparing metal powder, mix homogeneously；
2）Prepare TA18 titanium alloy substrates, remove removing oxide layer, clean up surface；
3）In an inert atmosphere using carbon dioxide laser in titanium alloy surface deposition high-entropy alloy, design parameter is：Laser
Device scanning speed 3mm/s, spot diameter is 2.8mm, and sweep span 1.6mm, powder feed rate is 2g/min, until final cladding layer
It is well combined with matrix；
4）Air cooling, thus obtains TA18 titanium alloys-high-entropy alloy composite.
Embodiment 5：The preparation of TA18 titanium alloy composite materials
1）According to Ti：V：Cr：Al：Mn =1：2：1.9：1.8：2.1 atomic ratio be preparing metal powder, mix homogeneously；
2）Prepare TA18 titanium alloy substrates, remove removing oxide layer, clean up surface；
3）In an inert atmosphere using carbon dioxide laser in titanium alloy surface deposition high-entropy alloy, design parameter is：Laser
Device scanning speed 3mm/s, spot diameter is 2.8mm, and sweep span 1.6mm, powder feed rate is 2g/min, until final cladding layer
It is well combined with matrix；
4）Air cooling, thus obtains TA18 titanium alloys-high-entropy alloy composite.
High temperature oxidation resistance comparative study：By the oxidizing atmosphere guarantor of embodiment 1-5 and TA18 titanium alloys at 800 degrees Celsius
Temperature 24 hours, the surface that TA18 titanium alloys are found after taking-up produces 53 microns of oxide layers, and there is crackle on surface, it is impossible to which matrix is produced
Raw preferably protection, therefore carrying out over time, TA18 alloys also may proceed to oxidation；And the surface of embodiment 1-5 is all formed
Fine and close oxide-film, the thickness of oxide-film is followed successively by 7,6,8,9,7 microns, due to protecting film it is very fine and close, therefore can be right
Matrix is protected well.The TA18 millis gram/cm of weightening 10.8 more front than experiment after experiment, and the weightening of embodiment 1-5
Respectively 2.3,2.7,3.1,3.5,2.8 millis gram/cm, it is known that the material of the present invention has more preferable high temperature resistant, antioxygen
Change performance.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of TA18 titanium alloy composite materials, it is characterised in that the material is by TA18 titanium alloy substrates and high-entropy alloy layer structure
Into.
2. a kind of TA18 titanium alloy composite materials according to claim 1, it is characterised in that described high-entropy alloy by
Titanium, vanadium, chromium, aluminum, manganese element are constituted.
3. a kind of TA18 titanium alloy composite materials according to claim 1, it is characterised in that the thickness of described high-entropy alloy
Spend for 100-5000 microns.
4. a kind of TA18 titanium alloy composite materials according to claim 1, it is characterised in that described high-entropy alloy layer
Composition proportion is consisted of according to atomic percent：Ti：V is 1：1.5 ~ 2, V：Cr is 1：0.9 ~ 1.1, V：Al is 1：0.9 ~ 1.1, V：
Mn is 1：0.9~1.1.
5. a kind of TA18 titanium alloy composite materials according to claim 4, it is characterised in that described high-entropy alloy is adopted
It is prepared by the method for laser cladding.
6. the preparation method of the TA18 titanium alloy composite materials described in any one of claim 1 ~ 5, it is characterised in that including following
Step：
1）Prepare dusty raw materials, and mix homogeneously according to above-mentioned high-entropy alloy element ratio；
2）Prepare TA18 titanium alloy substrates, clean up surface；
3）Using laser instrument in titanium alloy surface deposition high-entropy alloy, design parameter is：Laser scanning speed 3mm/s, hot spot
A diameter of 2.8mm, sweep span 1.6mm, powder feed rate is 2g/min, until final cladding layer and matrix are well combined；
4）Air cooling, thus obtains TA18 titanium alloys-high-entropy alloy composite.
7. the preparation method of TA18 titanium alloy composite materials according to claim 6, it is characterised in that the laser instrument is
CO2 laser instrument.
8. the TA18 titanium alloy composite materials described in any one of claim 1 ~ 5 the aspects such as Aero-Space, the vehicles should
With.
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| CN110724949A (en) * | 2019-11-13 | 2020-01-24 | 上海交通大学 | Preparation method of high-entropy alloy layer on surface of medical beta titanium alloy |
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| CN105506613A (en) * | 2016-02-02 | 2016-04-20 | 济南大学 | Preparation method for high-entropy alloy coating |
| CN106011852A (en) * | 2016-06-01 | 2016-10-12 | 太原理工大学 | Preparation method of high-entropy alloy coating on surface of austenitic stainless steel |
| CN105862036A (en) * | 2016-06-25 | 2016-08-17 | 芜湖三刀材料科技有限公司 | High-entropy coating for surface of iron substrate and preparation method of high-entropy coating |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110724949A (en) * | 2019-11-13 | 2020-01-24 | 上海交通大学 | Preparation method of high-entropy alloy layer on surface of medical beta titanium alloy |
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