CN109112531A - A kind of preparation method of high-temperature oxidation resistant nickel tantalum alloy coating - Google Patents
A kind of preparation method of high-temperature oxidation resistant nickel tantalum alloy coating Download PDFInfo
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- CN109112531A CN109112531A CN201811017829.7A CN201811017829A CN109112531A CN 109112531 A CN109112531 A CN 109112531A CN 201811017829 A CN201811017829 A CN 201811017829A CN 109112531 A CN109112531 A CN 109112531A
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- alloy coating
- preparation
- tantalum alloy
- oxidation resistant
- temperature oxidation
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/02—Alloys based on vanadium, niobium, or tantalum
Abstract
The invention discloses a kind of preparation methods of high-temperature oxidation resistant nickel tantalum alloy coating, the preparation method includes: that stainless steel base is polished, polished by (1), then it is respectively placed in 5~15min of ultrasonic cleaning in deionized water and dehydrated alcohol, is taken out, at room temperature naturally dry；(2) carry out ingredient by following mass percent: nickel is 25~30%, and titanium is 3.8~5.2%, and tungsten is 2~6%, and carbon is 0~0.03%, nitrogen is 0~0.03%, and surplus is tantalum, is uniformly mixed, a certain amount of dehydrated alcohol is added, 12~36h of ball milling obtains alloy suspended slurry；(3) under 580~620 DEG C of inert atmosphere conditions, by the way of thermal spraying, above-mentioned alloy suspended slurry is sprayed on pretreated stainless steel base, then is placed in 30~40min of sintering in 1400~1500 DEG C of vacuum sintering furnace, 10~20min is kept the temperature, nickel tantalum alloy coating is obtained.Nickel tantalum alloy coating in the present invention is well combined with matrix, has preferable high temperature resistance.
Description
Technical field
The present invention relates to coating material technical fields, more particularly to a kind of preparation of high-temperature oxidation resistant nickel tantalum alloy coating
Method.
Background technique
Gas-turbine unit operating temperature is continuously improved, it is desirable that high temperature alloy must have excellent high-temperature mechanics
Can, while having good resistance to high temperature oxidation and ablation resistance again.In order to improve the elevated temperature strength of alloy, generally in alloy
The solution strengthening type alloys elements such as middle addition Mo, W, V, the alloying element of resistance to high temperature corrosion performance can be improved by reducing Cr, Al etc., because
This will combine excellent mechanical behavior under high temperature and good hot corrosion resistance is relatively difficult.Guaranteeing excellent mechanical
In the case where performance, applying protective coating is the effective way for improving high temperature alloy resistance to high temperature corrosion performance.
Nickel tantalum alloy is as a kind of new alloy material due to room temperature with higher and elevated temperature strength, good anti-oxidant
Property, lower density, alternative conventional high-temperature structural material, mitigate construction weight, improve efficiency, reduce energy consumption.
For this reason, it is necessary in view of the above-mentioned problems, propose a kind of preparation method of high-temperature oxidation resistant nickel tantalum alloy coating, energy
Enough solve problems of the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of high-temperature oxidation resistant nickel tantalum alloy coating, to overcome existing skill
Deficiency in art.
To achieve the above object, the invention provides the following technical scheme:
A kind of preparation method of high-temperature oxidation resistant nickel tantalum alloy coating, the preparation method include:
(1) by stainless steel base polishing, polishing, be then respectively placed in deionized water and dehydrated alcohol ultrasonic cleaning 5~
15min takes out, at room temperature naturally dry；
(2) carry out ingredient by following mass percent: nickel is 25~30%, and titanium is 3.8~5.2%, and tungsten is 2~6%, carbon
It is 0~0.03%, nitrogen is 0~0.03%, and surplus is tantalum, it is uniformly mixed, is added a certain amount of dehydrated alcohol, 12~36h of ball milling,
Obtain alloy suspended slurry；
(3) under 580~620 DEG C of inert atmosphere conditions, by the way of thermal spraying, by above-mentioned alloy suspended pulp spraying
It is coated on pretreated stainless steel base, then is placed in 30~40min of sintering in 1400~1500 DEG C of vacuum sintering furnace, heat preservation
10~20min obtains nickel tantalum alloy coating.
Preferably, in above-mentioned steps (1), it is placed in 20~40s of acid etching in acid solution again after the stainless steel base ultrasonic cleaning,
Finally cleaned with deionized water ultrasound.
Preferably, the acid solution be hydrofluoric acid, nitric acid, deionized water mixed liquor, volume ratio 1:1:15.
Preferably, in above-mentioned steps (2), ingredient: nickel 27.5%, titanium 4.5%, tungsten is carried out by following mass percent
It is 4%, carbon 0.01%, nitrogen 0.01%, surplus is tantalum.
Preferably, in above-mentioned steps (2), ball milling carries out under protective atmosphere, and rotational speed of ball-mill is 200~400r/min.
Preferably, in above-mentioned steps (3), the inert atmosphere is argon atmosphere or nitrogen atmosphere.
Preferably, in above-mentioned steps (3), thermal spraying condition are as follows: 0.4~0.8MPa of pressure, 100~200mm of distance.
Preferably, in above-mentioned steps (3), the nickel tantalum alloy coating with a thickness of 0.1~1mm.
Compared with the prior art, the advantages of the present invention are as follows: the nickel tantalum alloy coating in the present invention is well combined with matrix,
With preferable high temperature resistance.
Specific embodiment
The present invention is described further by the following example: according to following embodiments, the present invention may be better understood.
However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described in embodiment are only used
In illustrating the present invention, without the present invention described in detail in claims should will not be limited.
The present invention discloses a kind of preparation method of high-temperature oxidation resistant nickel tantalum alloy coating, and the preparation method includes:
(1) by stainless steel base polishing, polishing, be then respectively placed in deionized water and dehydrated alcohol ultrasonic cleaning 5~
15min takes out, at room temperature naturally dry；
(2) carry out ingredient by following mass percent: nickel is 25~30%, and titanium is 3.8~5.2%, and tungsten is 2~6%, carbon
It is 0~0.03%, nitrogen is 0~0.03%, and surplus is tantalum, it is uniformly mixed, is added a certain amount of dehydrated alcohol, 12~36h of ball milling,
Obtain alloy suspended slurry；
(3) under 580~620 DEG C of inert atmosphere conditions, by the way of thermal spraying, by above-mentioned alloy suspended pulp spraying
It is coated on pretreated stainless steel base, then is placed in 30~40min of sintering in 1400~1500 DEG C of vacuum sintering furnace, heat preservation
10~20min obtains nickel tantalum alloy coating.
Wherein, in step (1), it is placed in 20~40s of acid etching in acid solution again after the stainless steel base ultrasonic cleaning, finally uses
Deionized water ultrasound clean, further, the acid solution be hydrofluoric acid, nitric acid, deionized water mixed liquor, volume ratio 1:
1:15。
Wherein, in step (2), by following mass percent progress ingredient: nickel 27.5%, titanium 4.5%, tungsten 4%,
Carbon is 0.01%, and nitrogen 0.01%, surplus is tantalum；Ball milling carries out under protective atmosphere, and rotational speed of ball-mill is 200~400r/
Min, it is preferred that rotational speed of ball-mill 300r/min.
Wherein, in step (3), the inert atmosphere is argon atmosphere or nitrogen atmosphere；Thermal spraying condition are as follows: pressure 0.4
~0.8MPa, 100~200mm of distance, it is preferred that pressure 0.6MPa, distance 150mm；The nickel tantalum alloy coating with a thickness of
0.1~1mm, it is preferred that the nickel tantalum alloy coating with a thickness of 0.5mm.
It is following to be illustrated with specifically embodiment, to prepare the high-temperature oxidation resistant nickel tantalum alloy coating in the present invention.
Embodiment 1
(1) by stainless steel base polishing, polishing, be then respectively placed in deionized water and dehydrated alcohol ultrasonic cleaning 5~
15min takes out, at room temperature naturally dry；
(2) carry out ingredient by following mass percent: nickel 25%, titanium 3.8%, tungsten 2%, carbon 0%, nitrogen are
0%, surplus is tantalum, is uniformly mixed, a certain amount of dehydrated alcohol is added, ball milling 12h obtains alloy suspended slurry, wherein ball milling
It is carried out under protective atmosphere, rotational speed of ball-mill 200r/min；
(3) under 580 DEG C of inert atmosphere conditions, by the way of thermal spraying, above-mentioned alloy suspended slurry is sprayed on
It on pretreated stainless steel base, then is placed in 1400 DEG C of vacuum sintering furnace and is sintered 30min, keep the temperature 10min, obtain thickness
For the nickel tantalum alloy coating of 0.1mm, wherein thermal spraying condition are as follows: pressure 0.4MPa, distance 100mm.
Embodiment 2
(1) it by stainless steel base polishing, polishing, is then respectively placed in deionized water and dehydrated alcohol and is cleaned by ultrasonic
10min takes out, at room temperature naturally dry；
(2) by following mass percent progress ingredient: nickel 27.5%, titanium 4.5%, tungsten 4%, carbon 0.01%,
Nitrogen is 0.01%, and surplus is tantalum, is uniformly mixed, a certain amount of dehydrated alcohol is added, and ball milling for 24 hours, obtains alloy suspended slurry,
In, ball milling carries out under protective atmosphere, rotational speed of ball-mill 300r/min；
(3) under 600 DEG C of inert atmosphere conditions, by the way of thermal spraying, above-mentioned alloy suspended slurry is sprayed on
It on pretreated stainless steel base, then is placed in 1450 DEG C of vacuum sintering furnace and is sintered 35min, keep the temperature 15min, obtain thickness
For the nickel tantalum alloy coating of 0.5mm, wherein thermal spraying condition are as follows: pressure 0.6MPa, distance 150mm.
Embodiment 3
(1) it by stainless steel base polishing, polishing, is then respectively placed in deionized water and dehydrated alcohol and is cleaned by ultrasonic
15min takes out, at room temperature naturally dry；
(2) ingredient: nickel 30%, titanium 5.2%, tungsten 6%, carbon 0.03%, nitrogen is carried out by following mass percent
It is 0.03%, surplus is tantalum, is uniformly mixed, a certain amount of dehydrated alcohol is added, and ball milling 36h obtains alloy suspended slurry,
In, ball milling carries out under protective atmosphere, rotational speed of ball-mill 400r/min；
(3) under 620 DEG C of inert atmosphere conditions, by the way of thermal spraying, above-mentioned alloy suspended slurry is sprayed on
It on pretreated stainless steel base, then is placed in 1500 DEG C of vacuum sintering furnace and is sintered 40min, keep the temperature 20min, obtain thickness
For the nickel tantalum alloy coating of 1mm, wherein thermal spraying condition are as follows: pressure 0.8MPa, distance 200mm.
Nickel tantalum alloy coating in the present invention is well combined with matrix, has preferable high temperature resistance.To in the present invention
The high-temperature oxidation resistance of nickel tantalum alloy coating tested, the results showed that, which can be in 1500 DEG C of continuous works
Make 10h, the thermal cycle 100 times under the conditions of 20~1500 DEG C, the nickel tantalum alloy coating is not damaged.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
Claims (8)
1. a kind of preparation method of high-temperature oxidation resistant nickel tantalum alloy coating, which is characterized in that the preparation method includes:
(1) by stainless steel base polishing, polishing, be then respectively placed in deionized water and dehydrated alcohol ultrasonic cleaning 5~
15min takes out, at room temperature naturally dry；
(2) carry out ingredient by following mass percent: nickel is 25~30%, and titanium is 3.8~5.2%, and tungsten is 2~6%, carbon 0
~0.03%, nitrogen is 0~0.03%, and surplus is tantalum, is uniformly mixed, a certain amount of dehydrated alcohol is added, 12~36h of ball milling is obtained
To alloy suspended slurry；
(3) under 580~620 DEG C of inert atmosphere conditions, by the way of thermal spraying, above-mentioned alloy suspended slurry is sprayed on
On pretreated stainless steel base, then it is placed in 30~40min of sintering in 1400~1500 DEG C of vacuum sintering furnace, heat preservation 10~
20min obtains nickel tantalum alloy coating.
2. the preparation method of high-temperature oxidation resistant nickel tantalum alloy coating according to claim 1, which is characterized in that above-mentioned steps
(1) in, it is placed in 20~40s of acid etching in acid solution again after the stainless steel base ultrasonic cleaning, is finally cleaned with deionized water ultrasound.
3. the preparation method of high-temperature oxidation resistant nickel tantalum alloy coating according to claim 2, which is characterized in that the acid solution
For hydrofluoric acid, nitric acid, deionized water mixed liquor, volume ratio 1:1:15.
4. the preparation method of high-temperature oxidation resistant nickel tantalum alloy coating according to claim 1, which is characterized in that above-mentioned steps
(2) in, carry out ingredient by following mass percent: nickel 27.5%, titanium 4.5%, tungsten 4%, carbon 0.01%, nitrogen are
0.01%, surplus is tantalum.
5. the preparation method of high-temperature oxidation resistant nickel tantalum alloy coating according to claim 1, which is characterized in that above-mentioned steps
(2) in, ball milling carries out under protective atmosphere, and rotational speed of ball-mill is 200~400r/min.
6. the preparation method of high-temperature oxidation resistant nickel tantalum alloy coating according to claim 1, which is characterized in that above-mentioned steps
(3) in, the inert atmosphere is argon atmosphere or nitrogen atmosphere.
7. the preparation method of high-temperature oxidation resistant nickel tantalum alloy coating according to claim 1, which is characterized in that above-mentioned steps
(3) in, thermal spraying condition are as follows: 0.4~0.8MPa of pressure, 100~200mm of distance.
8. the preparation method of high-temperature oxidation resistant nickel tantalum alloy coating according to claim 1, which is characterized in that above-mentioned steps
(3) in, the nickel tantalum alloy coating with a thickness of 0.1~1mm.
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| CN201811017829.7A CN109112531A (en) | 2018-09-02 | 2018-09-02 | A kind of preparation method of high-temperature oxidation resistant nickel tantalum alloy coating |
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| CN201811017829.7A CN109112531A (en) | 2018-09-02 | 2018-09-02 | A kind of preparation method of high-temperature oxidation resistant nickel tantalum alloy coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113430602A (en) * | 2021-06-22 | 2021-09-24 | 株洲鑫品硬质合金股份有限公司 | Preparation method of high-performance alloy coating |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105164300A (en) * | 2013-07-12 | 2015-12-16 | 惠普发展公司，有限责任合伙企业 | Amorphous thin metal film |
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2018
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105164300A (en) * | 2013-07-12 | 2015-12-16 | 惠普发展公司，有限责任合伙企业 | Amorphous thin metal film |
Non-Patent Citations (2)
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| 王立斐等: "钽钨合金高温抗氧化复合涂层制备研究", 《世界有色金属》 * |
| 蒋驰等: "等离子喷涂参数对钽涂层组织及性能的影响", 《材料保护》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113430602A (en) * | 2021-06-22 | 2021-09-24 | 株洲鑫品硬质合金股份有限公司 | Preparation method of high-performance alloy coating |
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Application publication date: 20190101 |