CN106756838A - A kind of γ TiAl alloys nano surface gradient-structure high-temperature protection coating and preparation method thereof - Google Patents
A kind of γ TiAl alloys nano surface gradient-structure high-temperature protection coating and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
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- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
- C23C14/352—Sputtering by application of a magnetic field, e.g. magnetron sputtering using more than one target
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- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
- C23C14/165—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon by cathodic sputtering
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
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Abstract
The invention discloses a kind of γ TiAl alloys nano surface gradient-structure high-temperature protection coating and preparation method thereof, the coating includes top layer (Al2O3+Y2O3) ceramic layer and time top layer AlSiY alloy-layers, top layer and time top layer connected by metallurgical, and secondary top layer is connected with matrix γ TiAl alloys by metallurgy, wherein, (Al certainly2O3+Y2O3) to matrix γ TiAl alloy surface directions, O constituent contents decline surface ceramii layer in gradient, and Al and Y element content rise in gradient, and Ti constituent contents rise in gradient, and methods described uses magnetron sputtering technique, respectively to AlSiY targets and (Al2O3+Y2O3) target sputtered successively, by the regulation to technological parameters such as operating air pressure, sputtering power and target matrix spacing and control, (Al is formed on matrix γ TiAl alloys surface2O3+Y2O3)/AlSiY nanometer gradient structured high temperature protective coatings.The method efficiency high, process is simple, the and (Al for preparing2O3+Y2O3)/AlSiY nanometer gradient structured high temperature protective coatings compact and uniform structure, function admirable.
Description
Technical field
The present invention relates to automobile and airplane parts surface protection technique field, and in particular to a kind of gamma-TiAl alloy surface
High-temperature protection coating and preparation method thereof.
Background technology
The excellent high temperature performance of gamma-TiAl alloy becomes the big aircraft engine air compressor wheel of national major scientific and technological project
The candidate material of the parts such as disk, blade, is also the important candidate materials of near space hypersonic aircraft outer panels.But γ-
TiAl alloy there is also the defect in some performances so that its application be restricted, wherein most distinct issues are high-temperature oxidation resistants
Performance wretched insufficiency.Substantial amounts of research and experiment shows, at a high temperature of more than 800 DEG C, the antioxygenic property of gamma-TiAl alloy
Drastically decline.Simultaneously as under high temperature N, O atom infiltration, alloy is also easy to produce time top layer embrittlement phenomenon, so as to cause γ-
The mechanical properties such as the heat endurance of TiAl alloy, creep rupture strength, creep resistance and fatigue strength are substantially reduced.Therefore, current γ-
Effective temperature in use of TiAl alloy is no more than 800 DEG C, it is impossible to meet the job requirement outside hypersonic vehicle[10].In order to
The departments such as Aero-Space and defence and military are met as early as possible to Specific gravity, the active demand of high performance high-temperature structural material, γ-
The raising of the high-temperature oxidation resistance of TiAl alloy has turned into one of engineering problem of key with solution, if can close γ-TiAl
The high-temperature oxidation resistant temperature of gold brings up to 900 ~ 1100 DEG C, to new-generation fighter, the loss of weight of hypersonic vehicle and performance
Tool is improved to be of great significance.
Its high temperature oxidation resistance, maximally effective side are improved on the premise of gamma-TiAl alloy overall mechanical properties are kept
Method is the protective coating that oxidation resistant is prepared in alloy surface.Sputtered on gamma-TiAl alloy surface or spray what is prepared
CoCrAlY and NiCrAlY thermal barrier coatings, can significantly improve the antioxygenic property of γ-TiAl.But MCrAlY is closed at high temperature
Counterdiffusion will be produced between gold plating and matrix, interface produces Kirkedall holes and separates out hard crisp phase, seriously reduces bond strength
With the fatigue behaviour of matrix material（Z. L. Tang, F. H. Wang and W. T.Surf. Coat. Technol.,
1998, 99: 248-252）.Sandwich construction coating increased interface number, be conducive to hindering interior diffusion of the oxygen element to matrix, from
And extend the service life of coating, such as：19-27 pages of report of Corrosion Science magazines 2014 year volume 80 in 8Nb-
TiAl alloy surface prepares (Al2O3+Y2O3The text of)/YSZ multilayer films one just refer to this viewpoint, but (Al2O3+Y2O3)/YSZ
The crackle spread condition that multilayer film easily occurs under conditions of long-time high-temperature service limits its further research and development and applies.
In order to meet the fields such as Aero-Space as early as possible to Specific gravity, the active demand of high performance high-temperature structural material, such as
The high-temperature oxidation resistance what improves gamma-TiAl alloy has turned into one of engineering problem of key.
The content of the invention
The present invention seeks in view of the shortcomings of the prior art, there is provided a kind of gamma-TiAl alloy surface (Al2O3+Y2O3)/
AlSiY nanometer gradient structured high temperature protective coatings, and its preparation method is provided, to improve the resistance to high temperature oxidation of gamma-TiAl alloy
Performance.
Realizing the technical solution of the object of the invention is：A kind of gamma-TiAl alloy surface (Al2O3+Y2O3)/AlSiY receives
Rice gradient-structure high-temperature protection coating, including top layer (Al2O3+Y2O3) ceramic layer and time top layer AlSiY alloy-layers, top layer and time
Top layer is connected by metallurgical, and secondary top layer is connected with matrix gamma-TiAl alloy by metallurgy, wherein, from (Al2O3+Y2O3) ceramic layer
Surface declines in gradient to matrix gamma-TiAl alloy surface direction, O constituent contents, and Al and Y element content rise in gradient, Ti
Constituent content rises in gradient.
Further, (Al2O3+Y2O3) ceramic layer and AlSiY alloy-layers be respectively by (Al2O3+Y2O3) nano particle and
AlSiY alloying pellets are constituted.
Further, (Al2O3+Y2O3) ceramic thickness be 15 ~ 30 μm.
Further, the thickness of AlSiY alloy-layers is 15 ~ 30 μm.
The preparation method of above-mentioned protective coating, using magnetron sputtering technique, work stage is placed in by matrix gamma-TiAl alloy
On, load onto AlSiY ceramic targets and (Al respectively on sputtering source2O3+Y2O3) alloys target, matrix gamma-TiAl alloy is successively carried out
AlSiY film layers and (Al2O3+Y2O3) treatment of film layer sputter coating, wherein top layer is (Al2O3+Y2O3) ceramic layer, secondary top layer is
AlSiY alloy-layers, until reaching required thickness, it is comprised the following steps that：
1）Matrix gamma-TiAl alloy and sputtering target material are fitted into magnetic control sputtering device, gamma-TiAl alloy is placed on sample bench,
AlSiY ceramic targets and (Al2O3+Y2O3) alloys target is respectively charged into different sputtering source holsters；
2）It is evacuated to 3 × 10-5Below Pa, sends into argon gas, clicks on AlSiY alloys target shielding power supplies, and testing and measuring technology parameter is extremely：
Sputtering power：350~500W；
Operating air pressure：0.3~0.5Pa；
Matrix and target spacing：15~20mm；
Sputtering time：10~30min；
Then, testing and measuring technology parameter is extremely：
Sputtering power：150~200W；
Operating air pressure：0.3~0.5Pa；
Matrix and target spacing：25~40mm；
Sputtering time：2~4h；
Then, then testing and measuring technology parameter extremely：
Sputtering power：500~600W；
Operating air pressure：0.3~0.5Pa；
Matrix and target spacing：15~20mm；
Sputtering time：10~30min；
3）AlSiY alloys target shielding power supplies are closed, (Al is opened2O3+Y2O3) ceramic target shielding power supply, testing and measuring technology parameter is：
Sputtering power：350~500W；
Operating air pressure：0.3~0.5Pa；
Matrix and target spacing：15~20mm；
Sputtering time：10~30min；
Then, testing and measuring technology parameter is extremely：
Sputtering power：250~300W；
Operating air pressure：0.3~0.5Pa；
Matrix and target spacing：25~40mm；
Sputtering time：2~4h；
Then, then testing and measuring technology parameter extremely：
Sputtering power：500~600W；
Operating air pressure：0.3~0.5Pa；
Matrix and target spacing：15~20mm；
Sputtering time：10~30min；
4）Power supply is closed, vacant 2 ~ 5h of equipment makes sample natural cooling；
5）Vacuum breaker, sampling.
Compared with prior art, the beneficial effects of the present invention are：
1）The gradient indexing of elemental composition, institutional framework in nanometer gradient structure coating is effectively reduced because of composition and structure
The situation that stress concentration, coating binding force under the hot environment that mutation is caused weaken.
2）Al, Y and Si element can be (Al in AlSiY alloy-layers2O3+Y2O3)/AlSiY nanometer gradients structured high temperature is prevented
Shield coating improves certain self-healing properties, so as to reach the purpose of extension coating service life.
3）Coating is prepared using magnetron sputtering technique, i.e., to (Al2O3+Y2O3) target and AlSiY targets splashed respectively
Penetrate, by regulation and the control of operating air pressure, sputtering power and target-matrix spacing, on matrix gamma-TiAl alloy surface
Form (Al2O3+Y2O3)/AlSiY nanometer gradient structured high temperature protective coatings.The method efficiency high, process is simple, and prepare
High-temperature protection coating compact structure, function admirable.
Brief description of the drawings
Fig. 1 is gamma-TiAl alloy surface (Al2O3+Y2O3)/AlSiY nanometer gradient structured high temperature protective coatings surface SEM
Shape appearance figure.
Specific embodiment
The present invention is described in further detail with reference to embodiment.But to those skilled in the art, completely
Can reasonably be summarized and be derived on the basis of numerical value listed by specific embodiment.
Embodiment one：
1）Matrix gamma-TiAl alloy and sputtering target material are fitted into magnetic control sputtering device, gamma-TiAl alloy is placed on sample bench,
AlSiY ceramic targets and (Al2O3+Y2O3) alloys target is respectively charged into different sputtering source holsters；
2）It is evacuated to 2 × 10-5Pa, sends into argon gas, clicks on AlSiY alloys target shielding power supplies, and testing and measuring technology parameter is extremely：
Sputtering power：400W；
Operating air pressure：0.4Pa；
Matrix and target spacing：15mm；
Sputtering time：20min；
Matrix gamma-TiAl alloy surface active, energy are raised, and leaves certain room.Then, testing and measuring technology parameter is extremely：
Sputtering power：150W；
Operating air pressure：0.4Pa；
Matrix and target spacing：30mm；
Sputtering time：3h；
Form the main part of AlSiY alloy-layers.Then, then testing and measuring technology parameter extremely：
Sputtering power：500W；
Operating air pressure：0.4Pa；
Matrix and target spacing：15mm；
Sputtering time：20min；
Increase the bond strength of AlSiY alloy-layers and matrix gamma-TiAl alloy.
3）AlSiY alloys target shielding power supplies are closed, (Al is opened2O3+Y2O3) ceramic target shielding power supply, testing and measuring technology parameter
For：
Sputtering power：400W；
Operating air pressure：0.4Pa；
Matrix and target spacing：15mm；
Sputtering time：30min；
Activate AlSiY alloyed layers, energy is raised, and leaves certain room.Then, testing and measuring technology parameter is extremely：
Sputtering power：300W；
Operating air pressure：0.4Pa；
Matrix and target spacing：30mm；
Sputtering time：3h；
Form (Al2O3+Y2O3) ceramic layer main part.Then, then testing and measuring technology parameter extremely：
Sputtering power：500W；
Operating air pressure：0.4Pa；
Matrix and target spacing：15mm；
Sputtering time： 30min；
Increase (Al2O3+Y2O3) ceramic layer and AlSiY alloy-layers bond strength.
4）Power supply is closed, vacant equipment 5h makes sample natural cooling.
5）Vacuum breaker, sampling.
Obtained (Al2O3+Y2O3)/AlSiY nanometer gradient structured high temperature protective coating surface topography such as Fig. 1, obtained painting
The defects such as layer even compact, flawless, hole, its gross thickness reaches 50 μm, wherein (Al2O3+Y2O3) ceramic 20 μm of thickness,
30 μm of AlSiY alloys thickness.After 1200 °C of lower high-temperature oxydation experiment 200h, coating is still remained intact, densification, stripping does not occur
The phenomenon such as fall, ftracture, and its oxidation weight gain value is 6.1mg/cm2, compared with the oxidation weight gain value 109.3mg/cm of matrix gamma-TiAl alloy2
Decrease drastically.
Embodiment two：
1）Matrix gamma-TiAl alloy and sputtering target material are fitted into magnetic control sputtering device, gamma-TiAl alloy is placed on sample bench,
AlSiY ceramic targets and (Al2O3+Y2O3) alloys target is respectively charged into different sputtering source holsters；
2）It is evacuated to 1 × 10-5Pa, sends into argon gas, clicks on AlSiY alloys target shielding power supplies, and testing and measuring technology parameter is extremely：
Sputtering power：350W；
Operating air pressure：0.3Pa；
Matrix and target spacing：20mm；
Sputtering time：20min；
Matrix gamma-TiAl alloy surface active, energy are raised, and leaves certain room.Then, testing and measuring technology parameter is extremely：
Sputtering power：150W；
Operating air pressure：0.3Pa；
Matrix and target spacing：30mm；
Sputtering time：2h；
Form the main part of AlSiY alloy-layers.Then, then testing and measuring technology parameter extremely：
Sputtering power：500W；
Operating air pressure：0.3Pa；
Matrix and target spacing：20mm；
Sputtering time：20min；
Increase the bond strength of AlSiY alloy-layers and matrix gamma-TiAl alloy.
3）AlSiY alloys target shielding power supplies are closed, (Al is opened2O3+Y2O3) ceramic target shielding power supply, testing and measuring technology parameter
For：
Sputtering power：350W；
Operating air pressure：0.3Pa；
Matrix and target spacing： 20mm；
Sputtering time：20min；
Activate AlSiY alloyed layers, energy is raised, and leaves certain room.Then, testing and measuring technology parameter is extremely：
Sputtering power：250W；
Operating air pressure：0.3Pa；
Matrix and target spacing：30mm；
Sputtering time：2h；
Form (Al2O3+Y2O3) ceramic layer main part.Then, then testing and measuring technology parameter extremely：
Sputtering power：500W；
Operating air pressure：0.3Pa；
Matrix and target spacing： 20mm；
Sputtering time：20min；
Increase (Al2O3+Y2O3) ceramic layer and AlSiY alloy-layers bond strength.
4）Power supply is closed, vacant 2 ~ 5h of equipment makes sample natural cooling.
5）Vacuum breaker, sampling.
Obtained (Al2O3+Y2O3)/AlSiY nanometer gradient structured high temperature protective coating even compacts, flawless, hole etc.
Defect, its gross thickness reaches 40 μm, wherein (Al2O3+Y2O3) ceramic 15 μm of thickness, 25 μm of AlYMoSi alloys thickness.At 1300 °
Under C after high-temperature oxydation experiment 100h, coating is still remained intact, densification, the phenomenons such as peel off, ftracture does not occur, its oxidation weight gain
It is 9.4mg/cm to be worth2, compared with the oxidation weight gain value 89.7mg/cm of matrix gamma-TiAl alloy2Decrease drastically.
Claims (5)
1. a kind of gamma-TiAl alloy surface (Al2O3+Y2O3)/AlSiY nanometer gradient structured high temperature protective coatings, including top layer
(Al2O3+Y2O3) ceramic layer and time top layer AlSiY alloy-layers, it is characterised in that top layer and time top layer are connected by metallurgical, secondary table
Layer is connected with matrix gamma-TiAl alloy by metallurgy, wherein, from (Al2O3+Y2O3) surface ceramii layer is to matrix gamma-TiAl alloy
Surface direction, O constituent contents decline in gradient, and Al and Y element content rise in gradient, and Ti constituent contents rise in gradient.
2. protective coating as claimed in claim 1, it is characterised in that (Al2O3+Y2O3) ceramic layer and AlSiY alloy-layers difference
By (Al2O3+Y2O3) nano particle and AlSiY alloying pellets composition.
3. protective coating as claimed in claim 1, it is characterised in that (Al2O3+Y2O3) ceramic thickness be 15 ~ 30 μm.
4. protective coating as claimed in claim 1, it is characterised in that the thickness of AlSiY alloy-layers is 15 ~ 30 μm.
5. the preparation method of the protective coating as described in claim 1-4 is any, it is characterised in that comprise the following steps：
1）Matrix gamma-TiAl alloy and sputtering target material are fitted into magnetic control sputtering device, gamma-TiAl alloy is placed on sample bench,
AlSiY ceramic targets and (Al2O3+Y2O3) alloys target is separately fitted into sputtering source holster；
2）It is evacuated to 3 × 10-5Below Pa, sends into argon gas, clicks on AlSiY alloys target shielding power supplies, and testing and measuring technology parameter is extremely：
Sputtering power：350~500W；
Operating air pressure：0.3~0.5Pa；
Matrix and target spacing：15~20mm；
Sputtering time：10~30min；
Then, testing and measuring technology parameter is extremely：
Sputtering power：150~200W；
Operating air pressure：0.3~0.5Pa；
Matrix and target spacing：25~40mm；
Sputtering time：2~4h；
Then, then testing and measuring technology parameter extremely：
Sputtering power：500~600W；
Operating air pressure：0.3~0.5Pa；
Matrix and target spacing：15~20mm；
Sputtering time：10~30min；
3）AlSiY alloys target shielding power supplies are closed, (Al is opened2O3+Y2O3) ceramic target shielding power supply, testing and measuring technology parameter is：
Sputtering power：350~500W；
Operating air pressure：0.3~0.5Pa；
Matrix and target spacing：15~20mm；
Sputtering time：10~30min；
Then, testing and measuring technology parameter is extremely：
Sputtering power：250~300W；
Operating air pressure：0.3~0.5Pa；
Matrix and target spacing：25~40mm；
Sputtering time：2~4h；
Then, then testing and measuring technology parameter extremely：
Sputtering power：500~600W；
Operating air pressure：0.3~0.5Pa；
Matrix and target spacing：15~20mm；
Sputtering time：10~30min；
4）Power supply is closed, vacant 2 ~ 5h of equipment makes sample natural cooling；
5）Vacuum breaker, sampling.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220902A (en) * | 2018-02-08 | 2018-06-29 | 南京航空航天大学 | The Al on gamma-TiAl alloy surface2O3-Y2O3/ Al-Y compound protective coatings and preparation method thereof |
| CN112853287A (en) * | 2020-12-31 | 2021-05-28 | 中国科学院宁波材料技术与工程研究所 | Protective coating with long-time high-temperature-resistant steam oxidation and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105396A (en) * | 1993-11-08 | 1995-07-19 | 普拉塞尔·S·T·技术有限公司 | Coating composition having good corrosion and oxidation resistance |
| US6425992B1 (en) * | 1998-07-30 | 2002-07-30 | Moltech Invent S.A. | Surface coated non-carbon metal-based anodes |
| CN103317787A (en) * | 2012-03-23 | 2013-09-25 | 中国科学院上海硅酸盐研究所 | Thermal barrier coating on component surface and preparing method thereof |
| CN105463382A (en) * | 2015-11-20 | 2016-04-06 | 沈阳黎明航空发动机(集团)有限责任公司 | Coating improving oxidation resistance of TiAl alloy and preparing method of coating |
| CN105839061A (en) * | 2016-03-28 | 2016-08-10 | 南京航空航天大学 | NiCoCrAlY / ZrO2 composite coating on gamma-TiAl alloy surface and preparation method thereof |
-
2016
- 2016-09-22 CN CN201610840023.2A patent/CN106756838B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105396A (en) * | 1993-11-08 | 1995-07-19 | 普拉塞尔·S·T·技术有限公司 | Coating composition having good corrosion and oxidation resistance |
| US6425992B1 (en) * | 1998-07-30 | 2002-07-30 | Moltech Invent S.A. | Surface coated non-carbon metal-based anodes |
| CN103317787A (en) * | 2012-03-23 | 2013-09-25 | 中国科学院上海硅酸盐研究所 | Thermal barrier coating on component surface and preparing method thereof |
| CN105463382A (en) * | 2015-11-20 | 2016-04-06 | 沈阳黎明航空发动机(集团)有限责任公司 | Coating improving oxidation resistance of TiAl alloy and preparing method of coating |
| CN105839061A (en) * | 2016-03-28 | 2016-08-10 | 南京航空航天大学 | NiCoCrAlY / ZrO2 composite coating on gamma-TiAl alloy surface and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| JUNGUO GAO ET AL.: "Electro-codeposition of Al2O3-Y2O3 composite thin film coatings and their high-temperature oxidation resistance on γ-TiAl alloy", 《THIN SOLID FILMS》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220902A (en) * | 2018-02-08 | 2018-06-29 | 南京航空航天大学 | The Al on gamma-TiAl alloy surface2O3-Y2O3/ Al-Y compound protective coatings and preparation method thereof |
| CN112853287A (en) * | 2020-12-31 | 2021-05-28 | 中国科学院宁波材料技术与工程研究所 | Protective coating with long-time high-temperature-resistant steam oxidation and preparation method thereof |
| CN112853287B (en) * | 2020-12-31 | 2022-12-06 | 中国科学院宁波材料技术与工程研究所 | Protective coating with long-time high-temperature-resistant steam oxidation and preparation method thereof |
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