CN106086981A - A kind of preparation method of the porous surface anodic oxide coating improving Ti Al system Alloy Anti oxidation susceptibility - Google Patents
A kind of preparation method of the porous surface anodic oxide coating improving Ti Al system Alloy Anti oxidation susceptibility Download PDFInfo
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/26—Anodisation of refractory metals or alloys based thereon
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Abstract
The preparation method of a kind of porous surface anodic oxide coating improving Ti Al system Alloy Anti oxidation susceptibility, the present invention relates to the preparation method of a kind of porous surface anodic oxide coating improving Ti Al system Alloy Anti oxidation susceptibility.The present invention is to solve that existing Ti Al system Alloy Anti oxidation susceptibility is not enough, it is impossible to effectively stop the problem that the germinating of crackle and extension cause oxide layer to come off.Method: one, pretreatment；Two, anodic oxidation；Three, subsequent treatment.The present invention is had and substrate combinating strength is high, element-free internal diffusion phenomenon under high temperature at the ordered porous anodic layer that Ti Al system alloy surface generates by anodizing.The advantages such as to have technique simple, easy and simple to handle, low for equipment requirements for anodizing simultaneously, with low cost, are therefore suitable for Practical Projectization application.
Description
Technical field
The present invention relates to the preparation side of a kind of porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility
Method.
Background technology
Owing to Ti-Al system alloy has, density is low, specific strength high, therefore at Aero-Space, ocean, automobile, stone
The fields such as oiling work have the most wide application prospect, are the high temperature lightweight materials of the most application potential that 21st century generally acknowledges
Material.When but Ti-Al system alloy is exposed in high temperature air, the TiO that surface is formed2And Al2O3The oxide layer of two kinds of mixture is also
The finest and close, it is impossible to effectively protection matrix is not further oxided, therefore high-temperature oxidation resistance deficiency becomes restriction Ti-Al system alloy
Realize a big bottleneck of through engineering approaches application.
The method improving Ti-Al system alloy high-temp non-oxidizability mainly has two kinds.One is alloying, i.e. with two kinds of metals
Between compound be matrix, be added thereto to improve the alloying element of its non-oxidizability, such as Zr, Nb, Mo, Mn etc..But close
When gold element content is too much, the mechanical performance of meeting severe exacerbation matrix.Another be by process for treating surface between metal
Compound surface forms one layer of ORC, and the kind of coating can be divided into deposition coating, diffusion according to preparation method difference
Coating and rich halogen coating.Coating can effectively improve the high-temperature oxidation resistance of matrix, but have and be combined by force with matrix
Spend low, the shortcomings such as relative matrix mechanical performance is poor.
Since entering 21 century, the mankind achieve considerable entering in Aero-Space, ocean, automobile, field of petrochemical industry
Step and development.Particularly at aerospace field, along with various countries propose the highest requirement, to starting to the speed of aircraft
The requirement of the military service performance of machine material is more and more higher.As a kind of high temperature light material, Ti-Al system alloy is considered as the suitableeest
Conjunction is for the material of Ni based high-temperature alloy.But the antioxygenic property deficiency always restriction Ti-Al system alloy engineering when high temperature
Change the principal element of application.Therefore, seek a kind of to improve the surface science and engineering that matrix antioxygenic property is the most with low cost
Skill is most important.
Summary of the invention
The present invention is to solve that existing Ti-Al system Alloy Anti oxidation susceptibility is not enough, it is impossible to effectively stop crackle germinating and
Extension causes the problem that oxide layer comes off, and provides a kind of porous surface anodic oxygen improving Ti-Al system Alloy Anti oxidation susceptibility
Change the preparation method of layer.
The preparation method of a kind of porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility of the present invention is concrete
It is to sequentially include the following steps:
One, pretreatment: use 400# sand paper, 800# sand paper and 2000# sand paper that titanium aluminum sample is polished, then successively
Employing mechanically polishes the surface of the titanium aluminum sample after polishing and throws to minute surface, first uses deionized water cleaning 3～5 times, every time
3min～5min, then it is placed in ultrasonic wave concussion cleaning 5min in acetone, finally in dehydrated alcohol, ultrasonic wave concussion cleans 5min
After, take out cold wind and dry up, obtain pending titanium aluminum sample；
Two, anodic oxidation: with pending titanium aluminum sample as working electrode, platinum electrode or graphite electrode as auxiliary electrode,
Working electrode and auxiliary electrode are totally submerged in the electrolytic solution, under conditions of voltage is 1V～60V, carries out anodic oxidation, institute
Stating the anodised time is 0.1h～20h, and controlling electrolyte temperature during anodic oxidation is 0 DEG C～85 DEG C, reaction
Terminate, obtain the sample after anodic oxidation；Described electrolyte be concentration be the H of 0.1mol/L～10mol/L2SO4Aqueous solution and institute
State the H that concentration is 0.1mol/L～10mol/L2SO4Aqueous solution is added with the fluoride accounting for gross mass 0.1%～5%；
Three, subsequent treatment: use deionized water by the sample wash 3 after anodic oxidation～5 times, each 3～5min, then
After ultrasonic wave concussion cleans 5min in dehydrated alcohol, take out cold wind and dry up, i.e. complete to improve Ti-Al system Alloy Anti oxidation susceptibility
The preparation of porous surface anodic oxide coating.
Beneficial effects of the present invention: the present invention utilizes anodised method to prepare one layer at Ti-Al system alloy surface to be had
The oxide layer of sequence loose structure, effectively solves the technical bottleneck that Ti-Al system Alloy Anti oxidation susceptibility is not enough.And, pass through
The advantages such as anodizing improves the antioxygenic property of matrix and has low for equipment requirements, easy and simple to handle, with low cost, meet real
The requirement of border through engineering approaches application.
Accompanying drawing explanation
Fig. 1 is the surface topography map of the TiAl intermetallic compound after embodiment one processes；
Fig. 2 is the surface topography map of the TiAl intermetallic compound after embodiment two processes；
Fig. 3 is the TiAl intermetallic after TiAl intermetallic compound the most processed by the invention, embodiment one process
The oxidizing dynamics curve of the TiAl intermetallic compound after thing and embodiment two process；Wherein 1 is the most processed by the invention
TiAl intermetallic compound, 2 is the TiAl intermetallic compound after embodiment one processes, and 3 is the TiAl after embodiment two processes
Intermetallic compound.
Detailed description of the invention
Detailed description of the invention one: a kind of porous surface anode improving Ti-Al system Alloy Anti oxidation susceptibility of present embodiment
The preparation method of oxide layer specifically sequentially includes the following steps:
One, pretreatment: use 400# sand paper, 800# sand paper and 2000# sand paper that titanium aluminum sample is polished, then successively
Employing mechanically polishes the surface of the titanium aluminum sample after polishing and throws to minute surface, first uses deionized water cleaning 3～5 times, every time
3min～5min, then it is placed in ultrasonic wave concussion cleaning 5min in acetone, finally in dehydrated alcohol, ultrasonic wave concussion cleans 5min
After, take out cold wind and dry up, obtain pending titanium aluminum sample；
Two, anodic oxidation: with pending titanium aluminum sample as working electrode, platinum electrode or graphite electrode as auxiliary electrode,
Working electrode and auxiliary electrode are totally submerged in the electrolytic solution, under conditions of voltage is 1V～60V, carries out anodic oxidation, institute
Stating the anodised time is 0.1h～20h, and controlling electrolyte temperature during anodic oxidation is 0 DEG C～85 DEG C, reaction
Terminate, obtain the sample after anodic oxidation；Described electrolyte be concentration be the H of 0.1mol/L～10mol/L2SO4Aqueous solution and institute
State the H that concentration is 0.1mol/L～10mol/L2SO4Aqueous solution is added with the fluoride accounting for gross mass 0.1%～5%；
Three, subsequent treatment: use deionized water by the sample wash 3 after anodic oxidation～5 times, each 3～5min, then
After ultrasonic wave concussion cleans 5min in dehydrated alcohol, take out cold wind and dry up, i.e. complete to improve Ti-Al system Alloy Anti oxidation susceptibility
The preparation of porous surface anodic oxide coating.
Present embodiment directly utilizes the method for electrochemistry and forms one layer of anodic oxide coating at Ti-Al system alloy surface, from
And improve the antioxygenic property of matrix.Compared with alloyage process and traditional coat preparing technology, anodic oxidation does not introduce it
Its alloying element, therefore element-free internal diffusion phenomenon.Meanwhile, in anode oxidation process, anodic oxide coating is by the most raw
Long mode is formed, therefore higher with the bond strength of matrix.Additionally, anodic oxidation is low for equipment requirements, technique is simple, becomes
This is cheap, meets the needs of practical engineering application.Present embodiment is by special anode oxidation process, at Ti-Al system alloy
Surface forms orderly porous anode layer, it is possible to the effective antioxygenic property improving Ti-Al system alloy, orderly porous
Structure is the most permissible, so that oxide layer is difficult to peel off, it is possible to being persistently effectively protected matrix, meanwhile, loose structure is at high temperature
Densification can also occur during heating, improve the antioxygenic property of Ti-Al system alloy further.
Detailed description of the invention two: present embodiment is unlike detailed description of the invention one: titanium aluminum sample described in step one
For Ti-Al system alloy.Other is identical with detailed description of the invention one.
Detailed description of the invention three: present embodiment is unlike detailed description of the invention one or two: titanium aluminum described in step one
Sample is Ti3Al, TiAl or TiAl3.Other is identical with detailed description of the invention one or two.
Detailed description of the invention four: present embodiment is unlike one of detailed description of the invention one to three: in step 2
Voltage is to carry out anodic oxidation under conditions of 30V～50V.Other is identical with one of detailed description of the invention one to three.
Detailed description of the invention five: present embodiment is unlike one of detailed description of the invention one to four: institute in step 2
Stating the anodised time is 6h.Other is identical with one of detailed description of the invention one to four.
Detailed description of the invention six: present embodiment is unlike one of detailed description of the invention one to five: in step 2
Control electrolyte temperature during anodic oxidation to be 25 DEG C and keep constant temperature constant.Other with detailed description of the invention one to five it
One is identical.
Detailed description of the invention seven: present embodiment is unlike one of detailed description of the invention one to six: institute in step 2
State electrolyte be concentration be the H of 0.1mol/L～5mol/L2SO4Aqueous solution and described concentration are 0.1mol/L's～5mol/L
H2SO4Aqueous solution is added with the fluoride accounting for gross mass 0.1%～5%.Other and one of detailed description of the invention one to six phase
With.
Detailed description of the invention eight: present embodiment is unlike one of detailed description of the invention one to seven: institute in step 2
State electrolyte be concentration be the H of 1mol/L2SO4Aqueous solution and described concentration are the H of 1mol/L2SO4Aqueous solution is added with and always accounts for
The fluoride of quality 0.1%～5%.Other is identical with one of detailed description of the invention one to seven.
Detailed description of the invention nine: present embodiment is unlike one of detailed description of the invention one to eight: institute in step 2
State electrolyte be concentration be the H of 1mol/L2SO4Aqueous solution and described concentration are the H of 1mol/L2SO4Aqueous solution is added with and always accounts for
The fluoride of quality 0.1%～1%.Other is identical with one of detailed description of the invention one to eight.
Detailed description of the invention ten: present embodiment is unlike one of detailed description of the invention one to nine: institute in step 2
Stating fluoride is Fluohydric acid., ammonium fluoride, sodium fluoride, potassium fluoride, calcium fluoride or potassium hydrogen fluoride.Other with detailed description of the invention one to
One of nine identical.
By following example checking beneficial effects of the present invention:
Embodiment one: the preparation method of a kind of porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility
Specifically sequentially include the following steps:
One, pretreatment: use 400# sand paper, 800# sand paper and 2000# sand paper that TiAl intermetallic compound is carried out successively
Polishing, then uses mechanical polishing to throw the surface of the TiAl intermetallic compound after polishing to minute surface, first uses deionized water
Clean 3～5 times, each 3min～5min, then be placed in ultrasonic wave concussion cleaning 5min in acetone, finally ultrasonic in dehydrated alcohol
After 5min is cleaned in ripple concussion, take out cold wind and dry up, obtain pending TiAl intermetallic compound；
Two, anodic oxidation: with pending TiAl intermetallic compound as working electrode, platinum electrode, will as auxiliary electrode
Working electrode and auxiliary electrode are totally submerged in the electrolytic solution, and described working electrode and auxiliary electrode, at a distance of 2.5cm, at voltage are
Carrying out anodic oxidation under conditions of 30V, the described anodised time is 2h, controls electrolysis liquid temperature during anodic oxidation
Degree is 25 DEG C, and reaction terminates, and obtains the sample after anodic oxidation；Described electrolyte be concentration be the H of 1mol/L2SO4Aqueous solution and
Described concentration is the H of 1mol/L2SO4Aqueous solution is added with the fluohydric acid gas accounting for gross mass 0.25%；
Three, subsequent treatment: use deionized water by the sample wash 3 after anodic oxidation～5 times, each 3～5min, then
After ultrasonic wave concussion cleans 5min in dehydrated alcohol, take out cold wind and dry up, i.e. complete to improve Ti-Al system Alloy Anti oxidation susceptibility
The preparation of porous surface anodic oxide coating.
Fig. 1 is the surface topography map of the TiAl intermetallic compound after embodiment one processes；It can be seen that pass through
After anodized, the anodic oxide coating that TiAl intermetallic compound surface is formed not is fine and close, but is advised by shape
Whole, aperture is homogeneous, the ordered nano pore structure composition of proper alignment.
Embodiment two: the present embodiment is with the difference of embodiment: enter under conditions of voltage is 50V in step 2
Row anodic oxidation.Other identical with embodiment one.
Fig. 2 is the surface topography map of the TiAl intermetallic compound after embodiment two processes；As can be seen from the figure sun is worked as
When pole oxidation voltage increases, the diameter of nano-pore is consequently increased, and there is also many diameter dimensions inside every nano-pore
Less nano-pore.
Fig. 3 is the TiAl intermetallic after TiAl intermetallic compound the most processed by the invention, embodiment one process
The oxidizing dynamics curve of the TiAl intermetallic compound after thing and embodiment two process, wherein 1 is the most processed by the invention
TiAl intermetallic compound, 2 is the TiAl intermetallic compound after embodiment one processes, and 3 is the TiAl after embodiment two processes
Intermetallic compound；As can be seen from the figure, after anodized, the antioxygenic property of TiAl intermetallic compound obtains
Arrive obvious improvement.Undressed sample oxidation weight gain is obvious, is approximately straight line and increases after 20h, single after cyclic oxidation 50h
The long-pending weightening finish of plane is 20.775mg/cm2.And 50V voltage anodic oxygenization process after sample oxidation weight gain speed the least, circulation
After oxidation 50h, unit are weightening finish is only 0.598mg/cm2。
The unit are gain in weight after cyclic high-temperature aoxidizes 50h in 800 DEG C of still airs is used to assess enforcement respectively
TiAl intermetallic compound after example one process and the antioxygenic property of the TiAl intermetallic compound after embodiment two process, knot
Fruit is shown in Table one.
Unit are gain in weight after table one different voltage anodic oxygen sample cyclic high-temperature oxidation 50h
Embodiment three: the present embodiment is with the difference of embodiment one: anodised time described in step 2
For 1h.Other identical with embodiment one.
The unit are gain in weight after cyclic high-temperature aoxidizes 50h in 800 DEG C of still airs is used to assess embodiment three
The antioxygenic property of the TiAl intermetallic compound after process, the results are shown in Table two.
Unit are gain in weight after sample cyclic high-temperature aoxidizes 50h under the different anodizing time of table two
Embodiment four: the present embodiment is with the difference of embodiment one: electrolyte described in step 2 is that concentration is
The H of 1mol/L2SO4Aqueous solution and described concentration are the H of 1mol/L2SO4Aqueous solution is added with the fluorination accounting for gross mass 0.35%
Hydrogen.Other identical with embodiment one.
The unit are gain in weight after cyclic high-temperature aoxidizes 50h in 800 DEG C of still airs is used to assess embodiment four
The antioxygenic property of the TiAl intermetallic compound after process, the results are shown in Table three.
Unit are weightening finish after anodic oxidation sample cyclic high-temperature oxidation 50h during the interpolation of table three different amounts of fluohydric acid gas
Amount
Claims (10)
1. the preparation method of the porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility, it is characterised in that
The preparation method of the porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility specifically sequentially includes the following steps:
One, pretreatment: use 400# sand paper, 800# sand paper and 2000# sand paper that titanium aluminum sample is polished successively, then use
Mechanical polishing will polishing after titanium aluminum sample surface throw to minute surface, first use deionized water clean 3～5 times, each 3min～
5min, then it is placed in ultrasonic wave concussion cleaning 5min in acetone, after finally in dehydrated alcohol, ultrasonic wave concussion cleans 5min, take out
Cold wind dries up, and obtains pending titanium aluminum sample；
Two, anodic oxidation: with pending titanium aluminum sample as working electrode, platinum electrode or graphite electrode are as auxiliary electrode, by work
Make electrode and auxiliary electrode is totally submerged in the electrolytic solution, under conditions of voltage is 1V～60V, carries out anodic oxidation, described sun
The time of pole oxidation is 0.1h～20h, and controlling electrolyte temperature during anodic oxidation is 0 DEG C～85 DEG C, and reaction terminates,
Obtain the sample after anodic oxidation；Described electrolyte be concentration be the H of 0.1mol/L～10mol/L2SO4Aqueous solution and described dense
Degree is the H of 0.1mol/L～10mol/L2SO4Aqueous solution is added with the fluoride accounting for gross mass 0.1%～5%；
Three, subsequent treatment: using deionized water by the sample wash 3 after anodic oxidation～5 times, each 3～5min, then in nothing
After ultrasonic wave concussion cleans 5min in water-ethanol, take out cold wind and dry up, i.e. complete to improve the table of Ti-Al system Alloy Anti oxidation susceptibility
The preparation of face porous anode layer.
A kind of porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility the most according to claim 1
Preparation method, it is characterised in that titanium aluminum sample described in step one is Ti-Al system alloy.
A kind of porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility the most according to claim 1
Preparation method, it is characterised in that described in step one, titanium aluminum sample is Ti3Al, TiAl or TiAl3。
A kind of porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility the most according to claim 1
Preparation method, it is characterised in that carry out anodic oxidation in step 2 under conditions of voltage is 30V～50V.
A kind of porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility the most according to claim 1
Preparation method, it is characterised in that the anodised time described in step 2 is 6h.
A kind of porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility the most according to claim 1
Preparation method, it is characterised in that control electrolyte temperature in step 2 during anodic oxidation and be 25 DEG C and keep constant temperature not
Become.
A kind of porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility the most according to claim 1
Preparation method, it is characterised in that electrolyte described in step 2 be concentration be the H of 0.1mol/L～5mol/L2SO4Aqueous solution and institute
State the H that concentration is 0.1mol/L～5mol/L2SO4Aqueous solution is added with the fluoride accounting for gross mass 0.1%～5%.
A kind of porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility the most according to claim 1
Preparation method, it is characterised in that electrolyte described in step 2 be concentration be the H of 1mol/L2SO4Aqueous solution and described concentration are
The H of 1mol/L2SO4Aqueous solution is added with the fluoride accounting for gross mass 0.1%～5%.
A kind of porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility the most according to claim 1
Preparation method, it is characterised in that electrolyte described in step 2 be concentration be the H of 1mol/L2SO4Aqueous solution and described concentration are
The H of 1mol/L2SO4Aqueous solution is added with the fluoride accounting for gross mass 0.1%～1%.
A kind of porous surface anodic oxide coating improving Ti-Al system Alloy Anti oxidation susceptibility the most according to claim 1
Preparation method, it is characterised in that fluoride described in step 2 is Fluohydric acid., ammonium fluoride, sodium fluoride, potassium fluoride, calcium fluoride or fluorine
Change hydrogen potassium.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835227A (en) * | 2016-12-05 | 2017-06-13 | 浙江工业大学 | A kind of method that titanium-base alloy high temperature oxidation resistance is improved based on halide effect and ceramic coating |
| CN107541764A (en) * | 2017-09-07 | 2018-01-05 | 上海脉诺金属表面处理技术有限公司 | A kind of High-silicon and high-copper die casting aluminium anode oxidation process and High-silicon and high-copper pack alloy |
| CN108486631A (en) * | 2018-03-13 | 2018-09-04 | 浙江工业大学 | A method of improving titanium-base alloy resistance to high temperature oxidation |
| CN109594113A (en) * | 2017-09-30 | 2019-04-09 | 北京小米移动软件有限公司 | Apparatus casing and its processing method, electronic equipment |
| CN114182318A (en) * | 2021-12-31 | 2022-03-15 | 北京科技大学 | TiAl porous alloy with oxide film and preparation method and application thereof |
| CN114657501A (en) * | 2022-02-28 | 2022-06-24 | 太原理工大学 | Method for improving high-temperature oxidation resistance of high Nb-TiAl alloy |
| CN114808073A (en) * | 2022-05-10 | 2022-07-29 | 上海交通大学 | Method for improving anti-stripping performance of high-temperature alloy oxide film |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835227A (en) * | 2016-12-05 | 2017-06-13 | 浙江工业大学 | A kind of method that titanium-base alloy high temperature oxidation resistance is improved based on halide effect and ceramic coating |
| CN107541764A (en) * | 2017-09-07 | 2018-01-05 | 上海脉诺金属表面处理技术有限公司 | A kind of High-silicon and high-copper die casting aluminium anode oxidation process and High-silicon and high-copper pack alloy |
| CN107541764B (en) * | 2017-09-07 | 2019-05-31 | 上海脉诺金属表面处理技术有限公司 | A kind of High-silicon and high-copper die casting aluminium anode oxidation process and High-silicon and high-copper pack alloy |
| CN109594113A (en) * | 2017-09-30 | 2019-04-09 | 北京小米移动软件有限公司 | Apparatus casing and its processing method, electronic equipment |
| CN109594113B (en) * | 2017-09-30 | 2021-02-09 | 北京小米移动软件有限公司 | Equipment shell, machining method thereof and electronic equipment |
| CN108486631A (en) * | 2018-03-13 | 2018-09-04 | 浙江工业大学 | A method of improving titanium-base alloy resistance to high temperature oxidation |
| CN114182318A (en) * | 2021-12-31 | 2022-03-15 | 北京科技大学 | TiAl porous alloy with oxide film and preparation method and application thereof |
| CN114182318B (en) * | 2021-12-31 | 2023-02-28 | 北京科技大学 | TiAl porous alloy with oxide film and preparation method and application thereof |
| CN114657501A (en) * | 2022-02-28 | 2022-06-24 | 太原理工大学 | Method for improving high-temperature oxidation resistance of high Nb-TiAl alloy |
| CN114657501B (en) * | 2022-02-28 | 2023-10-27 | 太原理工大学 | Method for improving high-temperature oxidation resistance of high-Nb-TiAl alloy |
| CN114808073A (en) * | 2022-05-10 | 2022-07-29 | 上海交通大学 | Method for improving anti-stripping performance of high-temperature alloy oxide film |
| CN114808073B (en) * | 2022-05-10 | 2024-08-23 | 上海交通大学 | Method for improving spalling resistance of high-temperature alloy oxide film |
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