CN1416964A - Explosive painting process of preparing heat barrier coating - Google Patents
Explosive painting process of preparing heat barrier coating Download PDFInfo
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- CN1416964A CN1416964A CN01133423A CN01133423A CN1416964A CN 1416964 A CN1416964 A CN 1416964A CN 01133423 A CN01133423 A CN 01133423A CN 01133423 A CN01133423 A CN 01133423A CN 1416964 A CN1416964 A CN 1416964A
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- 239000011248 coating agent Substances 0.000 title abstract description 16
- 238000000576 coating method Methods 0.000 title abstract description 16
- 239000002360 explosive Substances 0.000 title abstract description 4
- 230000004888 barrier function Effects 0.000 title 1
- 238000007591 painting process Methods 0.000 title 1
- 239000000919 ceramic Substances 0.000 claims abstract description 49
- 239000012720 thermal barrier coating Substances 0.000 claims abstract description 38
- 238000005507 spraying Methods 0.000 claims abstract description 31
- 239000000203 mixture Substances 0.000 claims abstract description 28
- 230000007704 transition Effects 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 14
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 9
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 45
- 238000005474 detonation Methods 0.000 claims description 24
- 238000010285 flame spraying Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 23
- 238000005422 blasting Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003064 anti-oxidating effect Effects 0.000 abstract 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 20
- 238000002360 preparation method Methods 0.000 description 10
- 230000008021 deposition Effects 0.000 description 7
- 238000000151 deposition Methods 0.000 description 7
- 238000007750 plasma spraying Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 235000006708 antioxidants Nutrition 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000004584 weight gain Effects 0.000 description 2
- 235000019786 weight gain Nutrition 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Coating By Spraying Or Casting (AREA)
Abstract
本发明公开一种爆炸喷涂制备热障涂层的方法。连接层采用MCrAlY合金体系，其中M＝Ni，Co，Ni+Co，陶瓷层成分为ZrO2－8Y2O3，具体操作为：对试样进行六面爆炸喷涂，控制基材温度为100～200℃，按连接层、陶瓷层顺序依次喷涂，获得热障涂层；其中连接层工作参数：氧和乙炔的气体流量比例范围为1.06～1.20∶1，工作频率为4～6shot/s，喷涂距离为100～140mm，炮口直径为20～25mm，送粉率为0.3～0.6g/s，喷涂斑盘搭接率30～50％；陶瓷层工作参数：氧和乙炔的气体流量比例范围为1.02～1.10∶1，工作频率为4～6shot/s，喷涂距离为80～120mm，炮口直径为20～25mm，送粉率为0.3～0.9g/s，喷涂斑盘搭接率30～50％；所述连接层和陶瓷层中间可加入过渡层，所述过渡层为连接层与陶瓷层两种成分。本发明成本低、易操作，涂层结合性好、硬度高、隔热效果好，达到了完全抗氧化级。The invention discloses a method for preparing a thermal barrier coating by explosive spraying. The connection layer adopts the MCrAlY alloy system, where M=Ni, Co, Ni+Co, and the composition of the ceramic layer is ZrO 2 -8Y 2 O 3 . 200°C, spray in sequence according to the connecting layer and ceramic layer to obtain a thermal barrier coating; the working parameters of the connecting layer: the gas flow ratio of oxygen and acetylene ranges from 1.06 to 1.20:1, and the working frequency is 4 to 6shot/s. The distance is 100-140mm, the diameter of the muzzle is 20-25mm, the powder feeding rate is 0.3-0.6g/s, and the overlapping rate of spraying spots is 30-50%; the working parameters of the ceramic layer: the gas flow ratio range of oxygen and acetylene is 1.02～1.10∶1, working frequency is 4～6shot/s, spraying distance is 80～120mm, muzzle diameter is 20～25mm, powder feeding rate is 0.3～0.9g/s, spraying patch overlap rate is 30～50 %; a transition layer can be added between the connection layer and the ceramic layer, and the transition layer is composed of the connection layer and the ceramic layer. The invention has the advantages of low cost, easy operation, good coating binding property, high hardness, good heat insulation effect, and has reached the complete anti-oxidation level.
Description
Technical field
The present invention relates to coat preparing technology, specifically a kind of detonation flame spraying prepares the method for thermal barrier coating.
Background technology
On gas turbine component, use thermal barrier coating (Thermal Barrier Coatings is called for short TBCs), can reduce heat, reduce the operating temperature of metal parts from the transmission of combustion gas to metal parts.Thermal barrier coating by MCrAlY (M=Ni, Co, Ni+Co) articulamentum and ZrO
2-Y
2O
3The zirconia ceramics surface layer is formed.At present, the main preparation method of thermal barrier coating has two kinds of plasma spraying and electro beam physics vapour depositions (EB-PVD).Wherein plasma spraying is to adopt untransferable arc as thermal source, and sprayed on material is heated to fusion or high-ductility state, in company with plasma arc flame stream, with high-speed impact and deposit to the method that surface of the work forms coating.Though the plasma spraying cost is low, coating composition is easy to control, have hole, cavity in the coating inevitably and be mingled with, and the coating associativity is poor; Base material temperature height in the spraying process causes that easily performance descends in addition.Electro beam physics vapour deposition (EB-PVD) is under vacuum state, makes deposition materials be subjected to beam bombardment to change gaseous state into by condensed state, is deposited on the method on the surface of the work, can obtain the coating of metallurgical binding and structure atresia.Weak point is: owing under vacuum condition, operate, complex process, the cost height, and deposition velocity is low, is not easy the high coating of deposit thickness.In addition, detonation flame spraying also is a kind of plasma spray technology of preparation coating, because in the detonation flame spraying process, powder particle is big to the base material impact, interrupted detonation flame spraying has suppressed the intensification of base material, make the coating of acquisition have hardness height, bond strength is good, the coating pore is few advantage, and cost is low, easy to operate, but, compare with plasma spraying, the detonation flame spraying flame temperature is relatively low, is difficult for fusing during the high zirconia ceramic layer of spraying fusing point, therefore, the method that adopts detonation flame spraying to prepare thermal barrier coating is not appeared in the newspapers.
Summary of the invention
Adopt explosive spray coating to be difficult for preparation ZrO in order to solve
2-Y
2O
3The technological difficulties of ceramic layer, the method that the object of the present invention is to provide that a kind of cost is low, easy to operate, powder deposition speed height, anchoring strength of coating height, detonation flame spraying that thickness is big prepares thermal barrier coating.
To achieve these goals, technical scheme of the present invention is: articulamentum adopts the MCrAlY alloy system, M=Ni wherein, and Co, Ni+Co is ZrO as the ceramic layer composition of surface layer
2-8Y
2O
3, concrete operations are: 1) sample is cleaned and blasting treatment; It is characterized in that: 2) sample is carried out six detonation flame sprayings, the control base material temperature is 100～200 ℃, presses articulamentum, the spraying successively of ceramic layer order, obtains thermal barrier coating; The running parameter of described articulamentum MCrAlY: the gas flow ratio scope of oxygen and acetylene is 1.06～1.20: 1, operating frequency is 4～6shot/s, and spray distance is 100～140mm, and gun muzzle diameter is 20～25mm, the powder feeding rate is 0.3～0.6g/s, spraying spot dish overlapping rate 30～50%; Described ceramic layer ZrO
2-8Y
2O
3Running parameter: the gas flow ratio scope of oxygen and acetylene is 1.02～1.10: 1, and operating frequency is 4～6shot/s, and spray distance is 80～120mm, and gun muzzle diameter is 20～25mm, and the powder feeding rate is 0.3～0.9g/s, spraying spot dish overlapping rate 30～50%;
In the middle of described articulamentum and ceramic layer, add transition zone, described transition zone is the sandwich construction of articulamentum and two kinds of compositions of ceramic layer, wherein: the articulamentum composition 95～5% successively decreases by weight percentage, the ceramic layer composition 5～95% increases progressively proportioning by weight percentage, articulamentum, two kinds of compositions of ceramic layer are alternately spraying by weight percentage respectively, or mixes the back spraying by weight percentage; Articulamentum thickness is 100～200 μ m, and ceramic layer thickness is 300～900 μ m; Transition region thickness is 0～100 μ m, each layer thickness five equilibrium in the sandwich construction of described transition zone; Described MCrAlY alloy system composition is M: surplus by mass percentage; Cr:18～35; Al:5～12; Y:0～1; Described MCrAlY alloy system is Ni-25Cr-5Al-0.5Y, Co-29Cr-6Al-1Y, Ni-21Co-22Cr-10Al-1Y.
The present invention has the following advantages:
1. the present invention is by adjusting the detonation flame spraying technological parameter (as improving C
2H
2: O
2), solve explosive spray coating and prepared the high ZrO of fusing point
2-8Y
2O
3The technological difficulties of ceramic layer.
Between the coating and the associativity between coating and base material good.Adopt the present invention to have the fast advantage of powder deposition, its deposition velocity is 800-1000m/s, compares with the spraying of prior art ionic medium, can prepare associativity is good, pore the is few bilayer or the thermal barrier coating of gradient-structure on the high temperature alloy base material.
3. there is the micro-crack that vertically distributes in the ceramic layer of the present invention's preparation, is beneficial to the thermal shock resistance that improves thermal barrier coating.
4. the thermal barrier coating hardness of the present invention preparation can reach more than the 8.0GPa, and heat insulation temperature is greater than 100 ℃, and reaches complete anti-oxidant level, as the thermal barrier coating of one embodiment of the present of invention preparation at 1000 ℃ of following oxidation oxidation weight gain＜0.1g/m after 100 hours
2H.
5. the present invention adopts detonation flame spraying technology, and is easy to operate, cost is low, can satisfy thickness requirement; Compare with EB-PVD cost height, coating deposited thin thickness (200-300 μ m) in the prior art, cost of the present invention is low, can prepare the thermal barrier coating that thickness can reach 1mm.
The specific embodiment
Below by example the present invention is described in further detail.
Embodiment 1
Base material adopts high temperature alloy M38G, and specimen size is 15 * 25 * 5mm
3Before the spraying, sample is cleaned and blasting treatment (Al
2O
3, 28 orders).Adopt two-dimentional work bench, sample is carried out six detonation flame sprayings.The thermal barrier coating of preparation comprises two parts: anti-oxidant articulamentum and as the dielectric ceramic layer of surface layer, articulamentum adopts Ni-25Cr-5Al-0.5Y, ZrO
2-8Y
2O
3Be ceramic layer material, the control base material temperature is less than 150 ℃.Present embodiment is double-deck thermal barrier coating, and its detonation flame spraying technological parameter sees Table 1, and composition, thickness parameter see Table 2.
Table 1 embodiment 1 detonation flame spraying technological parameter
Technological parameter Ni-25Cr-5Al-0.5Y ZrO
2-8Y
2O
3
Operating frequency 4shots/s 4shots/s
O
2∶C
2H
2 1.15∶1 1.05∶1
Spray distance 120mm 100mm
Gun muzzle diameter 25mm 25mm
Powder feeding rate 0.4g/s 0.5g/s
Spraying spot dish overlapping rate 40% 50%
Table 2 embodiment 1 double-deck thermal barrier coating
Composition thickness (μ m)
Ni-25Cr-5Al-0.5Y 150
ZrO
2-8Y
2O
3 300
Its course of work is: dusty spray is packed into behind the batch can, ignite oxygen and acetylene gas mixture in the gun tube tail end, high-energy heating and melting powder that gas burst discharges, meanwhile drive powder, form particle flux, high-velocity particles stream bump substrate surface is combined together to form the coating that pore is less, fine and close, even, associativity is good with metallic atom.Adopt the ZrO of the present invention's preparation
2-8Y
2O
3Ceramic layer hardness can reach 8.22GPa, far above the ceramic layer hardness (about 4.0Gpa) of plasma spraying attitude.
Embodiment 2
Base material component and size are with embodiment 1.At first sample is cleaned and blasting treatment, prepare the thermal barrier coating of gradient-structure then, present embodiment articulamentum MCrAlY alloy system adopts Ni-25Cr-5Al-0.5Y, and dielectric ceramic layer is ZrO
2-8Y
2O
3Material adds transition zone in the middle of described articulamentum and ceramic layer, described transition zone is articulamentum and two kinds of compositions of ceramic layer, and specifically: first transition zone adopts 75%Ni-25Cr-5Al-0.5Y articulamentum and 25% zirconia ceramic layer ZrO by weight percentage
2-8Y
2O
3, second transition zone adopts 50%Ni-25Cr-5Al-0.5Y articulamentum and 50% zirconia ceramic layer ZrO by weight percentage
2-8Y
2O
3, the 3rd transition zone adopts 25%Ni-25Cr-5Al-0.5Y articulamentum and 75% zirconia ceramic layer ZrO by weight percentage
2-8Y
2O
3, acquisition has the thermal barrier coating of gradient-structure, and the control base material temperature is less than 200 ℃.The detonation flame spraying technological parameter sees Table 3, and composition, thickness parameter see Table 4.
Table 3 embodiment 2 detonation flame spraying technological parameters
Technological parameter Ni-25Cr-5Al-0.5Y ZrO
2-8Y
2O
3
Operating frequency 6shots/s 6shots/s
O
2∶C
2H
2 1.20∶1 1.09∶1
Spray distance 100mm 80mm
Gun muzzle diameter 20mm 20mm
Powder feeding rate 0.3g/s 0.6g/s
Spraying spot dish overlapping rate 30% 40%
The thermal barrier coating of table 4 embodiment 2 gradient-structures
Composition thickness (μ m)
Ni-25Cr-5Al-0.5Y 120
Ni25Cr5Al0.5Y(75％)+ZrO
2-8Y
2O
3(25％)25
Ni25Cr5Al0.5Y(50％)+ZrO
2-8Y
2O
3(50％)25
Ni25Cr5Al0.5Y(25％)+ZrO
2-8Y
2O
3(75％)25
ZrO
2-8Y
2O
3 500
During the spraying transition zone, articulamentum, two kinds of compositions of ceramic layer are alternately spraying by weight percentage respectively, adopts two powder feeder alternations to realize.The thermal barrier coating of the coefficient of thermal expansion gradient transition that finally obtains is useful for the thermal-shock resistance that improves thermal barrier coating.
Embodiment 3
Base material adopts Ni
3Al base alloy IC-6, specimen size is 15 * 25 * 2mm
3Before the spraying, sample is cleaned and blasting treatment (Al
2O
3, 28 orders).Prepare double-deck thermal barrier coating, articulamentum adopts the Co-29Cr-6Al-1Y alloy system, in order to improve the effect of heat insulation of coating, ceramic layer ZrO
2-8Y
2O
3Thickness is 900 μ m.The control base material temperature is less than 200 ℃.The thick ceramic layer of preparing does not have peeling phenomenon to occur, and has the micro-crack of vertical distribution of rule in the ceramic layer, and this is favourable for the thermal shock that improves TBCs.Its detonation flame spraying technological parameter sees Table 5, and composition, thickness parameter see Table 6.
Table 5 embodiment 3 detonation flame spraying technological parameters
Technological parameter Co-29Cr-6Al-1Y ZrO
2-8Y
2O
3
Operating frequency 4shots/s 4shots/s
O
2∶C
2H
2 1.06∶1 1.02∶1
Spray distance 140mm 120mm
Gun muzzle diameter 25mm 25mm
Powder feeding rate 0.6g/s 0.8g/s
Spraying spot dish overlapping rate 50% 50%
Table 6 embodiment 3 thermal barrier coatings
Composition thickness (μ m)
Co-29Cr-6Al-1Y 200
ZrO
2-8Y
2O
3 900
Adopt the thermal barrier coating of present embodiment preparation can make the operating temperature of IC-6 alloy reduce by 120 ℃.
Embodiment 4
Base material component and size are with embodiment 1.At first sample is cleaned and blasting treatment, prepare the thermal barrier coating of gradient-structure then, the present embodiment articulamentum adopts Ni-21Co-22Cr-10Al-1Y, and ceramic layer is ZrO2-8Y
2O
3Material, in the middle of described articulamentum and ceramic layer, add transition zone, described transition zone is articulamentum and two kinds of compositions of ceramic layer, and specifically: first transition zone adopts 90%Ni-21Co-22Cr-10Al-1Y articulamentum and 10% zirconia ceramic layer ZrO by weight percentage
2-8Y
2O
3, second transition zone adopts 75%Ni-21Co-22Cr-10Al-1Y articulamentum and 25% zirconia ceramic layer ZrO by weight percentage
2-8Y
2O
3, the 3rd transition zone adopts 50%Ni-21Co-22Cr-10Al-1Y articulamentum and 50% zirconia ceramic layer ZrO by weight percentage
2-8Y
2O
3, the 4th transition zone adopts 25%Ni-21Co-22Cr-10Al-1Y articulamentum and 75% zirconia ceramic layer ZrO by weight percentage
2-8Y
2O
3, the 5th transition zone adopts 10%Ni-21Co-22Cr-10Al-1Y articulamentum and 90% zirconia ceramic layer ZrO by weight percentage
2-8Y
2O
3, acquisition has the thermal barrier coating of gradient-structure, and the control base material temperature is less than 200 ℃.The detonation flame spraying technological parameter sees Table 7, and composition, thickness parameter see Table 8.
Table 7 embodiment 4 detonation flame spraying technological parameters
Technological parameter Ni-21Co-22Cr-10Al-1Y ZrO
2-8Y
2O
3
Operating frequency 6shots/s 6shots/s
O
2∶C
2H
2 1.15∶1 1.05∶1
Spray distance 120mm 100mm
Gun muzzle diameter 25mm 25mm
Powder feeding rate 0.3g/s 0.5g/s
Spraying spot dish overlapping rate 40% 50%
The thermal barrier coating of table 8 embodiment 4 gradient-structures
Composition thickness (μ m)
Ni-21Co-22Cr-10Al-1Y 100
Ni-21Co-22Cr-10Al-1Y(90％)+ZrO
2-8Y
2O
3(10％)25
Ni-21Co-22Cr-10Al-1Y(75％)+ZrO
2-8Y
2O
3(25％)15
Ni-21Co-22Cr-10Al-1Y(50％)+ZrO
2-8Y
2O
3(50％)15
Ni-21Co-22Cr-10Al-1Y(25％)+ZrO
2-8Y
2O
3(75％)15
Ni-21Co-22Cr-10Al-1Y(10％)+ZrO
2-8Y
2O
3(90％)15
ZrO
2-8Y
2O
3 500
During the spraying transition zone, mix the back spraying by weight percentage, the thermal barrier coating of the coefficient of thermal expansion gradient transition that finally obtains.
Embodiment 5
Base material component and size are with embodiment 3.Before the spraying, sample is cleaned and blasting treatment (Al
2O
3, 28 orders).Present embodiment prepares double-deck thermal barrier coating, and articulamentum adopts Ni-21Co-22Cr-10Al-1Y, and ceramic layer is ZrO
2-8Y
2O
3Material, the control base material temperature is less than 150 ℃.Its detonation flame spraying technological parameter sees Table 9, and composition, thickness parameter see Table 10.
Table 9 embodiment 5 detonation flame spraying technological parameters
Technological parameter Co-29Cr-6Al-1Y ZrO
2-8Y
2O
3
Operating frequency 4shots/s 4shots/s
O
2∶C
2H
2 1.06∶1 1.02∶1
Spray distance 140mm 120mm
Gun muzzle diameter 25mm 25mm
Powder feeding rate 0.6g/s 0.8g/s
Spraying spot dish overlapping rate 50% 50%
Table 10 embodiment 5 thermal barrier coatings
Composition thickness (μ m)
Ni-21Co-22Cr-10Al-1Y 120
ZrO
2-8Y
2O
3 300
The thermal barrier coating that adopts the present embodiment preparation is at 1000 ℃ of following oxidation oxidation weight gain＜0.1Ag/m after 100 hours
2H makes the IC-6 alloy reach complete anti-oxidant level in the time of 1000 ℃.
Claims (6)
1. a detonation flame spraying prepares the method for thermal barrier coating, and articulamentum adopts the MCrAlY alloy system, M=Ni wherein, and Co, Ni+Co is ZrO as the ceramic layer composition of surface layer
2-8Y
2O
3, concrete operations are: 1) sample is cleaned and blasting treatment; It is characterized in that: 2) sample is carried out six detonation flame sprayings, the control base material temperature is 100～200 ℃, presses articulamentum, the spraying successively of ceramic layer order, obtains thermal barrier coating; The running parameter of described articulamentum MCrAlY: the gas flow ratio scope of oxygen and acetylene is 1.06～1.20: 1, operating frequency is 4～6shot/s, and spray distance is 100～140mm, and gun muzzle diameter is 20～25mm, the powder feeding rate is 0.3～0.6g/s, spraying spot dish overlapping rate 30～50%; Described ceramic layer ZrO
2-8Y
2O
3Running parameter: the gas flow ratio scope of oxygen and acetylene is 1.02～1.10: 1, and operating frequency is 4～6shot/s, and spray distance is 80～120mm, and gun muzzle diameter is 20～25mm, and the powder feeding rate is 0.3～0.9g/s, spraying spot dish overlapping rate 30～50%.
2. by the described method of claim 1, it is characterized in that: in the middle of described articulamentum and ceramic layer, add transition zone, described transition zone is the sandwich construction of articulamentum and two kinds of compositions of ceramic layer, wherein: the articulamentum composition 95～5% successively decreases by weight percentage, the ceramic layer composition 5～95% increases progressively proportioning by weight percentage, articulamentum, two kinds of compositions of ceramic layer are alternately spraying by weight percentage respectively, or mixes the back spraying by weight percentage.
3. by the described method of claim 1, it is characterized in that: articulamentum thickness is 100～200 μ m, and ceramic layer thickness is 300～900 μ m.
4. by the described method of claim 2, it is characterized in that: transition region thickness is 0～100 μ m, each layer thickness five equilibrium in the sandwich construction of described transition zone.
5. by the described method of claim 1, it is characterized in that: described MCrAlY alloy system composition is M: surplus by mass percentage; Cr:18～35; Al:5～12; Y:0～1.
6. by claim 1 or 5 described methods, it is characterized in that: described MCrAlY alloy system is Ni-25Cr-5Al-0.5Y, Co-29Cr-6Al-1Y, Ni-21Co-22Cr-10Al-1Y.
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|---|---|---|---|
| CNB011334231A CN1167824C (en) | 2001-11-09 | 2001-11-09 | A method for preparing thermal barrier coating by explosive spraying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011334231A CN1167824C (en) | 2001-11-09 | 2001-11-09 | A method for preparing thermal barrier coating by explosive spraying |
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|---|---|
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| CN1167824C CN1167824C (en) | 2004-09-22 |
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|---|---|---|---|
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| CN103459671A (en) * | 2011-04-06 | 2013-12-18 | 日本发条株式会社 | Laminated body and method for producing the laminated body |
| CN103556098A (en) * | 2013-11-01 | 2014-02-05 | 中国科学院上海硅酸盐研究所 | Trass volcanic ash erosion resistance multi-layer thermal barrier coating |
| CN105189820A (en) * | 2013-05-28 | 2015-12-23 | 西屋电气有限责任公司 | A kinetically applied gradated Zr-Al-C ceramic or Ti-Al-C ceramic or amorphous or semi-amorphous stainless steel with nuclear grade zirconium alloy metal structure |
| CN106591763A (en) * | 2015-10-15 | 2017-04-26 | 沈阳富创精密设备有限公司 | Method for preparing high-purity yttrium oxide coating for IC equipment aluminum alloy part through explosion spraying |
| CN109680238A (en) * | 2019-01-30 | 2019-04-26 | 西安交通大学 | Anti- sintering long-life gradient column layer composite construction thermal barrier coating of one kind and preparation method thereof |
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-
2001
- 2001-11-09 CN CNB011334231A patent/CN1167824C/en not_active Expired - Fee Related
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| CN110607494B (en) * | 2019-09-11 | 2021-08-10 | 上海工程技术大学 | Titanium alloy surface plasma spraying-electron beam cladding modified high-temperature oxidation resistant coating |
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