CN103205607A - Anti-cavitation coating material, and high-speed fuel oil centrifugal pump with anti-cavitation coating - Google Patents
Anti-cavitation coating material, and high-speed fuel oil centrifugal pump with anti-cavitation coating Download PDFInfo
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- CN103205607A CN103205607A CN2012100144776A CN201210014477A CN103205607A CN 103205607 A CN103205607 A CN 103205607A CN 2012100144776 A CN2012100144776 A CN 2012100144776A CN 201210014477 A CN201210014477 A CN 201210014477A CN 103205607 A CN103205607 A CN 103205607A
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- cavitation erosion
- fuel oil
- centrifugal pump
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Abstract
The invention relates to the technology of high-speed fuel oil centrifugal pump, and aims at providing an anti-cavitation coating material. The material is composed of hard metal elements Co, W, Ni, Cr, Ti, V, Nb, and Fe, non-metallic elements C, B, and Si, and rare earth elements Er, Y, and Pr. The material comprises, by weight, 1-2% of C, 2-3% of B, 1-3% of Si, 11-13% of Ni, 12-15% of Cr, 13-16% of W, 3-5% of Ti, 2-3% of V, 1-2% of Nb, 0.2-0.5% of Er, 0.4-0.7% of Y, 0.3-0.5% of Pr, no more than 5% of Fe, and balance of Co and unavoidable impurities. The coating material provided by the invention has high hardness, good thermal strength, improved strength, improved toughness, and improved corrosion resistance. The invention also provides a high-speed fuel oil centrifugal pump with the anti-cavitation coating.
Description
Technical field
The present invention relates to the high-speed fuel oil centrifugal pump technical field, relate more specifically to the anti-cavitation erosion technical field of high-speed fuel oil centrifugal pump.
Background technology
Because a variety of causes, impeller pump usually will suffer the cavitation erosion infringement, this infringement can influence the work-ing life of equipment usually.Particularly, impeller pump in the running, the pressure of fuel oil is along with from the pump intake to the impeller eye and descend.When the absolute pressure of liquid reduces when being equal to or less than the saturated vapour pressure of liquid, just form bubble.Along with the rotation of impeller pump, bubble enters the high pressure area, because the effect of pressure reduction, bubble is crumbled and fall and clashed into the metallic surface, thereby the metallic surface is cracked, even local generation peeling phenomenon, and the bubble that produces also can produce chemical corrosion to metal.Impeller pump degrades under the acting in conjunction with chemical corrosion bubble, has accelerated infringement speed, makes the degradation of impeller pump, the lost of life.And high-speed fuel oil centrifugal pump is because the rotating speed height, and the cavitation erosion problem is more outstanding.
Adopt top coat to improve existing development of research of the cavitation resistance of impeller pump, existing employing top coat improves in the measure of material cavitation resistance, the hardness of used coating, cohesiveness, slickness, intensity and toughness are all limited, the scarce capacity of cavitation resistance is difficult to effectively solve the cavitation erosion problem that high-speed fuel oil centrifugal pump faces.
Summary of the invention
Therefore, it will be favourable providing a kind of high anti-cavitation erosion coated material.
For achieving the above object, according to an aspect of the present invention, a kind of anti-cavitation erosion coated material is provided, wherein, described material is by hard metal Elements C o, W, Ni, Cr, Ti, V, Nb, Fe, non-metallic element C, B, Si, and rare earth element er, Y, Pr form, each element is by weight percentage:
C:1-2%;
B:2-3%;
Si:1-3%;
Ni:11-13%;
Cr:12-15%;
W:13-16%;
Ti:3-5%;
V:2-3%;
Nb:1-2%;
Er:0.2-0.5%;
Y:0.4-0.7%;
Pr:0.3-0.5%;
Fe<5%;
All the other are Co and unavoidable impurities.
Aspect this, because coated material is cobalt base alloy, contain hard metal elements such as certain chromium, tungsten and nickel in the cobalt base alloy of the present invention, hard and the carbon generation hard carbide that will interact makes the coating hardness height in the spray fusing process; Simultaneously, owing to added titanium, vanadium and niobium in the alloy, can improve the heat resistance of alloy coat; And a small amount of rare earth element such as erbium, yttrium and the praseodymium etc. that add can play the deoxidization desulfuration effect in the process that forms alloy coat, and crystal grain thinning, effectively improves intensity, toughness and the erosion resistance of coating.
Preferably, the mass percent of Pr is 0.4-0.5%.Under this per-cent, the particlized of Pr and other elements formation cenotype and the effect of refinement are better, and the heat resistance of alloy coat is better.
Preferably, the mass percent of Y is 0.5-0.6%.Under this per-cent, Y is in the alloy coat forming process, and the deoxidization desulfuration effect that is risen is better, and the toughness of alloy coat is better.
Preferably, above-mentioned anti-cavitation erosion coated material is Powdered, and its average particle size is 1-2um.Because this powder particle size is little, improved slickness and the cohesiveness of coating.
According to a further aspect in the invention, provide a kind of preparation method of anti-cavitation erosion coating, it will be favourable that this coating uses the anti-cavitation erosion coated material of above-mentioned height to be prepared.
For this reason, the preparation method of this anti-cavitation erosion coating comprises: use supersonic velocity flame to melt described material; And the described injection of material that will melt is deposited into and treats deposition surface.
Preferably, this method also comprises: be aided with cooling gas at the described deposition surface for the treatment of.Do the speed of cooling that can improve matrix like this, the powdered alloy that has melted is effectively deposited on the matrix of quick cooling form coating.
Preferably, consider the scantlings of the structure of high-speed fuel oil centrifugal pump, be bonded in and describedly treat that the coat-thickness on the deposition surface is 200~400um.
Preferably, before the described coating of preparation, the described deposition surface for the treatment of is cleared up with acetone, can be removed the dirt of matrix surface, help to improve the cohesiveness of coating.
According to a further aspect of the invention, provide a kind of high-speed fuel oil centrifugal pump, it will be favourable making its groundwork surface have the anti-cavitation erosion coating of using the anti-cavitation erosion coated material of above-mentioned height to make.
Preferably, above-mentioned groundwork surface comprises inner wall surface and the impeller surface of described high-speed fuel oil centrifugal pump.
Preferably, the anti-cavitation erosion coat-thickness on the above-mentioned inner wall surface is 300~400um, and the anti-cavitation erosion coat-thickness on the above-mentioned impeller surface is 200~300um.
By the following described embodiment of reference, these and other feature and advantage of the present invention will clearly be set forth.
Description of drawings
Structure of the present invention and operating method and further purpose and advantage will be understood better by the description below in conjunction with accompanying drawing, wherein, and identical reference marker sign components identical:
Fig. 1 is the internal structure synoptic diagram according to the high-speed fuel oil centrifugal pump of a preferred implementation of the present invention;
Fig. 2 is the structural representation of the anti-cavitation erosion coating on the high-speed fuel oil centrifugal pump inwall shown in Figure 1;
Fig. 3 is the structural representation of the anti-cavitation erosion coating on the high-speed fuel oil centrifugal pump impeller shown in Figure 1.
Embodiment
As requested, will disclose the specific embodiment of the present invention here.Yet, should be understood that disclosed embodiment only is exemplary of the present invention here, it can be presented as various forms.Therefore, here the detail of Pi Luing is not considered to restrictive, and only be differently to use representational basis of the present invention as the basis of claim and as being used for instruction those skilled in the art in any appropriate mode of reality, comprise employing disclosed various features and in conjunction with the feature that may clearly not disclose here here.
Generally speaking, high-speed fuel oil centrifugal pump 100 according to an aspect of the present invention as Figure 1-3, its groundwork surface is inner wall surface 1 and impeller surface 2, is formed with anti-cavitation erosion coating 11 and 21 on this inner wall surface 1 and impeller surface 2 respectively.In addition, this high-speed fuel oil centrifugal pump 100 also has import 3 and outlet 4, sees shown in Figure 1.
Above-mentioned anti-cavitation erosion coating 11 and 21 is formed by according to a further aspect of the invention anti-cavitation erosion coated material, this anti-cavitation erosion coated material is by hard metal Elements C o, W, Ni, Cr, Ti, V, Nb, Fe, non-metallic element C, B, Si, and rare earth element er, Y, Pr form, and each element is by weight percentage: C:1-2%; B:2-3%; Si:1-3%; Ni:11-13%; Cr:12-15%; W:13-16%; Ti:3-5%; V:2-3%; Nb:1-2%; Er:0.2-0.5%; Y:0.4-0.7%; Pr:0.3-0.5%; Fe<5%; All the other are Co and unavoidable impurities.
Above-mentioned materials mixes with the compound of each element or the form of simple substance, will grind through agitating ball mill after the mixing, and forming average particle size is the powder of 1-2um.
Utilize above-mentioned anti-cavitation erosion coated material, the preparation method of the anti-cavitation erosion coating by in accordance with a further aspect of the present invention prepares before anti-cavitation erosion coating 11 and 21, at first will clear up high-speed fuel oil centrifugal pump inner wall surface 1 and impeller surface 2 usefulness acetone, the anti-cavitation erosion coated material direct injection of then supersonic velocity flame having been melted deposits to and realizes on the inner wall surface 1 of high-speed fuel oil centrifugal pump 100 and the impeller surface 2.Adopt the method for supersonic velocity flame spraying deposition, be aided with cooling gas in the inner wall surface 1 of high-speed fuel oil centrifugal pump 100 and the deposition surface of impeller surface 2, improve the speed of cooling of matrix, the coated material that has melted is deposited on the matrix of quick cooling form coating.Processing parameter during supersonic velocity flame spraying deposition is: oxygen flow 800-1000L/min, kerosene oil flow 35-40L/h, the distance of flame gun tool impeller pump inwall and impeller is 200-250mm, argon gas is powder feeding gas, flow is 5-10L/min, powder sending quantity is 2.0-3.0rpm, and translational speed is 200-300mm/s, and cooling gas is rare gas element.
By shown in Figure 2, the thickness that is bonded in the coating 11 on the inner wall surface 1 is 300-400um.By shown in Figure 3, the thickness that is bonded in the coating 21 on the impeller surface 2 is 200-300um.
Introduce the present invention in detail below by embodiment 1~5.
Embodiment 1:
According to each element wt per-cent meter, wherein C is 1%, B is 3%, Si is 2.2%, Ni is 13%, Cr is 14%, W is 16%, Ti is 3%, V is 3%, Nb is 1.5%, Er is 0.4%, Y is 0.4%, Pr is 0.5%, Fe is 5%, all the other are Co, is hybridly prepared into cemented carbide powder.
Mixed cemented carbide powder carries out 40 hours grinding through agitating ball mill, through preferred, forms ultra-fine cemented carbide powder, and the preferred average particle size of this powdered alloy is 1um.
Use above-mentioned powdered alloy before the groundwork surface of high-speed fuel oil centrifugal pump forms coating, at first inner wall surface and the impeller surface of high-speed fuel oil centrifugal pump are cleared up with acetone.Then, the ultra-fine cemented carbide powder direct injection that supersonic velocity flame melted deposits on the inner wall surface and impeller surface of high-speed fuel oil centrifugal pump.When adopting supersonic velocity flame spraying deposition, impeller surface and inner wall surface at high-speed fuel oil centrifugal pump are aided with cooling gas, improve the speed of cooling of impeller surface and inner wall surface, the powdered alloy that has melted is deposited on the impeller surface of quick cooling and the inner wall surface form coating.
Processing parameter during supersonic velocity flame spraying deposition is: oxygen flow 850L/min, kerosene oil flow 35L/h, the distance of flame gun tool impeller pump inwall and impeller is 200mm, argon gas is powder feeding gas, flow is 5L/min, powder sending quantity is 2.0rpm, and translational speed is 230mm/s, and cooling gas is rare gas element.
Wherein, the coat-thickness of the inner wall surface of high-speed fuel oil centrifugal pump is 300um, and the coat-thickness of impeller wheel surface is 200um.
Embodiment 2:
According to each element wt per-cent meter, wherein C is 1.5%, B is 2%, Si is 3%, Ni is 12%, Cr is 15%, W is 16%, Ti is 5%, V is 2%, Nb is 2%, Er is 0.2%, Y is 0.7%, Pr is 0.4%, Fe is 2%, all the other are Co, the mixed preparing cemented carbide powder.
Mixed cemented carbide powder carries out 40 hours grinding through agitating ball mill, through preferred, forms ultra-fine cemented carbide powder, and the preferred average particle size of this powdered alloy is 1um.
Use above-mentioned powdered alloy before the groundwork surface of high-speed fuel oil centrifugal pump forms coating, at first inner wall surface and the impeller surface of high-speed fuel oil centrifugal pump are cleared up with acetone.Then, the ultra-fine cemented carbide powder direct injection that supersonic velocity flame melted deposits on the inner wall surface and impeller surface of high-speed fuel oil centrifugal pump.Adopt supersonic velocity flame spraying deposition simultaneously, impeller surface and inner wall surface at high-speed fuel oil centrifugal pump are aided with cooling gas, improve the speed of cooling of impeller surface and inner wall surface, the powdered alloy that has melted is deposited on the impeller surface of quick cooling and the inner wall surface form coating.
Processing parameter during supersonic velocity flame spraying deposition is: oxygen flow 950L/min, kerosene oil flow 38L/h, the distance of flame gun tool impeller pump inwall and impeller is 230mm, argon gas is powder feeding gas, flow is 7L/min, powder sending quantity is 2.5rpm, and translational speed is 200mm/s, and cooling gas is rare gas element.
Wherein, the coat-thickness of the inner wall surface of high-speed fuel oil centrifugal pump is 400um, and the coat-thickness of impeller surface is 300um.
Embodiment 3:
According to each element wt per-cent meter, wherein C is 2%, B is 2.5%, Si is 1%, Ni is 12%, Cr is 14%, W is 13%, Ti is 4%, V is 2.8%, Nb is 1%, Er is 0.5%, Y is 0.5%, Pr is 0.3%, Fe is 4%, all the other are Co, the mixed preparing cemented carbide powder.
Mixed cemented carbide powder carries out 40 hours grinding through agitating ball mill, through preferred, forms ultra-fine cemented carbide powder, and the preferred average particle size of this powdered alloy is 2um.
Use above-mentioned powdered alloy before the groundwork surface of high-speed fuel oil centrifugal pump forms coating, at first inner wall surface and the impeller surface of high-speed fuel oil centrifugal pump are cleared up with acetone.Then, the ultra-fine cemented carbide powder direct injection that supersonic velocity flame melted deposits on the inner wall surface and impeller surface of high-speed fuel oil centrifugal pump.Adopt supersonic velocity flame spraying deposition simultaneously, impeller surface and inner wall surface at high-speed fuel oil centrifugal pump are aided with cooling gas, improve the speed of cooling of impeller surface and inner wall surface, the powdered alloy that has melted is deposited on the impeller surface of quick cooling and the inner wall surface form coating.
Processing parameter during supersonic velocity flame spraying deposition is: oxygen flow 1000L/min, kerosene oil flow 38L/h, the distance of flame gun tool impeller pump inwall and impeller is 240mm, argon gas is powder feeding gas, flow is 10L/min, powder sending quantity is 3.0rpm, and translational speed is 300mm/s, and cooling gas is rare gas element.
Wherein, the coat-thickness of the inner wall surface of high-speed fuel oil centrifugal pump is 350um, and the coat-thickness of impeller surface is 250um.
Embodiment 4:
According to each element wt per-cent meter, wherein C is 1.5%, B is 2%, Si is 2.6%, Ni is 11%, Cr is 13%, W is 15%, Ti is 4%, V is 2.3%, Nb is 1.5%, Er is 0.3%, Y is 0.6%, Pr is 0.4%, Fe is 3%, all the other are Co, the mixed preparing cemented carbide powder.
Mixed cemented carbide powder carries out 40 hours grinding through agitating ball mill, through preferred, forms ultra-fine cemented carbide powder, and the preferred average particle size of this powdered alloy is 2um.
Use above-mentioned powdered alloy before the groundwork surface of high-speed fuel oil centrifugal pump forms coating, at first inner wall surface and the impeller surface of high-speed fuel oil centrifugal pump are cleared up with acetone.Then, the ultra-fine cemented carbide powder direct injection that supersonic velocity flame melted deposits on the inner wall surface and impeller surface of high-speed fuel oil centrifugal pump.Adopt supersonic velocity flame spraying deposition simultaneously, impeller surface and inner wall surface at high-speed fuel oil centrifugal pump are aided with cooling gas, improve the speed of cooling of impeller surface and inner wall surface, the powdered alloy that has melted is deposited on the impeller surface of quick cooling and the inner wall surface form coating.
Processing parameter during supersonic velocity flame spraying deposition is: oxygen flow 800L/min, kerosene oil flow 37L/h, the distance of flame gun tool impeller pump inwall and impeller is 250mm, argon gas is powder feeding gas, flow is 7L/min, powder sending quantity is 2.6rpm, and translational speed is 270mm/s, and cooling gas is rare gas element.
Wherein, the coat-thickness of the inner wall surface of high-speed fuel oil centrifugal pump is 370um, and the coat-thickness of impeller surface is 280um.
Embodiment 5:
According to each element wt per-cent meter, wherein C is 1.5%, B is 2.5%, Si is 2.3%, Ni is 12%, Cr is 12%, W is 13%, Ti is 4.5%, V is 2%, Nb is 1.5%, Er is 0.3%, Y is 0.5%, Pr is 0.4%, Fe is 4%, all the other are Co, the mixed preparing cemented carbide powder.
Mixed cemented carbide powder carries out 40 hours grinding through agitating ball mill, through preferred, forms ultra-fine cemented carbide powder, and the preferred average particle size of this powdered alloy is 2um.
Use above-mentioned powdered alloy before the groundwork surface of high-speed fuel oil centrifugal pump forms coating, at first inner wall surface and the impeller surface of high-speed fuel oil centrifugal pump are cleared up with acetone.Then, the ultra-fine cemented carbide powder direct injection that supersonic velocity flame melted deposits on the inner wall surface and impeller surface of high-speed fuel oil centrifugal pump.Adopt supersonic velocity flame spraying deposition simultaneously, impeller surface and inner wall surface at high-speed fuel oil centrifugal pump are aided with cooling gas, improve the speed of cooling of impeller surface and inner wall surface, the powdered alloy that has melted is deposited on the impeller surface of quick cooling and the inner wall surface form coating.
Processing parameter when the ultrasonic flame spraying that hastens deposits is: oxygen flow 900L/min, kerosene oil flow 40L/h, the distance of flame gun tool impeller pump inwall and impeller is 240mm, argon gas is powder feeding gas, flow is 7L/min, powder sending quantity is 2.6rpm, and translational speed is 270mm/s, and cooling gas is rare gas element.
Wherein, the coat-thickness of the inner wall surface of high-speed fuel oil centrifugal pump is 330um, and the coat-thickness of impeller surface is 240um.
Technology contents of the present invention and technical characterstic have disclosed as above; yet be appreciated that; under creative ideas of the present invention; those skilled in the art can make various changes and modifications to said structure and material; comprise here disclosing separately or the combination of claimed technical characterictic, comprise other combination of these features significantly.These distortion and/or combination all fall in the technical field involved in the present invention, and fall into the protection domain of claim of the present invention.In addition, any reference marker in claims should be configured to limit the scope of the invention.
Claims (16)
1. an anti-cavitation erosion coated material is characterized in that, described material is by hard metal Elements C o, W, Ni, Cr, Ti, V, Nb, Fe, non-metallic element C, B, Si, and rare earth element er, Y, Pr form, each element is by weight percentage:
C:1-2%;
B:2-3%;
Si:1-3%;
Ni:11-13%;
Cr:12-15%;
W:13-16%;
Ti:3-5%;
V:2-3%;
Nb:1-2%;
Er:0.2-0.5%;
Y:0.4-0.7%;
Pr:0.3-0.5%;
Fe<5%;
All the other are Co and unavoidable impurities.
2. anti-cavitation erosion coated material as claimed in claim 1 is characterized in that, described material mixes with the compound of described element or the form of simple substance.
3. anti-cavitation erosion coated material as claimed in claim 2 is characterized in that, the mass percent of described Pr is 0.4-0.5%.
4. anti-cavitation erosion coated material as claimed in claim 3 is characterized in that, the mass percent of described Y is 0.5-0.6%.
5. as each described anti-cavitation erosion coated material of claim 1 to 4, it is characterized in that described anti-cavitation erosion coated material is Powdered.
6. anti-cavitation erosion coated material as claimed in claim 5 is characterized in that, the average particle size of pulverous described material is 1-2um.
7. the preparation method of an anti-cavitation erosion coating uses to be prepared as each described anti-cavitation erosion coated material in the claim 1 to 6, it is characterized in that described method comprises:
Use supersonic velocity flame to melt described material; And
The described injection of material of melting is deposited into treats deposition surface.
8. the preparation method of anti-cavitation erosion coating as claimed in claim 7 is characterized in that, described method also comprises:
Be aided with cooling gas at the described deposition surface for the treatment of.
9. the preparation method of anti-cavitation erosion coating as claimed in claim 8 is characterized in that, is bonded in describedly to treat that the coat-thickness on the deposition surface is 200~400um.
10. the preparation method of anti-cavitation erosion coating as claimed in claim 7 is characterized in that, before the described coating of preparation, the described deposition surface for the treatment of is cleared up with acetone.
11. a high-speed fuel oil centrifugal pump is characterized in that, the groundwork surface of described high-speed fuel oil centrifugal pump has anti-cavitation erosion coating, and what described anti-cavitation erosion coating was used is as each described anti-cavitation erosion coated material in the claim 1 to 6.
12. high-speed fuel oil centrifugal pump as claimed in claim 11 is characterized in that, described groundwork surface comprises inner wall surface and the impeller surface of described high-speed fuel oil centrifugal pump.
13. high-speed fuel oil centrifugal pump as claimed in claim 12 is characterized in that, the anti-cavitation erosion coat-thickness on the described inner wall surface is 300~400um, and the anti-cavitation erosion coat-thickness on the described impeller surface is 200~300um.
14., it is characterized in that described anti-cavitation erosion coating prepares by the following method as each described high-speed fuel oil centrifugal pump of claim 11 to 13:
Use supersonic velocity flame to melt described anti-cavitation erosion coated material; And
With the described anti-cavitation erosion coated material jet deposition that the melts described groundwork entry to described high-speed fuel oil centrifugal pump.
15. high-speed fuel oil centrifugal pump as claimed in claim 14 is characterized in that, described method also comprises:
Be aided with cooling gas entirely at described groundwork table.
16. high-speed fuel oil centrifugal pump as claimed in claim 15 is characterized in that, before the described anti-cavitation erosion coating of preparation, described groundwork surface is cleared up with acetone.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104762533A (en) * | 2015-05-03 | 2015-07-08 | 张金荣 | Impeller-type fire pump |
CN107282913A (en) * | 2017-05-17 | 2017-10-24 | 安徽绿环泵业有限公司 | A kind of preparation method of corrosion-resistant spiral centrifugal impeller |
JP2020514560A (en) * | 2017-03-14 | 2020-05-21 | ヴァンベーエヌ コンポネンツ アクチエボラグ | High carbon cobalt alloy |
CN114230375A (en) * | 2022-01-04 | 2022-03-25 | 陕西宝光陶瓷科技有限公司 | Ceramic substrate surface metallization coating composition |
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JPS63109151A (en) * | 1986-10-27 | 1988-05-13 | Hitachi Ltd | High hardness composite material |
JPH09119945A (en) * | 1995-10-24 | 1997-05-06 | S I I Micro Parts:Kk | Contact terminal for contact probe pin |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN104762533A (en) * | 2015-05-03 | 2015-07-08 | 张金荣 | Impeller-type fire pump |
JP2020514560A (en) * | 2017-03-14 | 2020-05-21 | ヴァンベーエヌ コンポネンツ アクチエボラグ | High carbon cobalt alloy |
JP7116495B2 (en) | 2017-03-14 | 2022-08-10 | ヴァンベーエヌ コンポネンツ アクチエボラグ | High carbon cobalt alloy |
CN107282913A (en) * | 2017-05-17 | 2017-10-24 | 安徽绿环泵业有限公司 | A kind of preparation method of corrosion-resistant spiral centrifugal impeller |
CN114230375A (en) * | 2022-01-04 | 2022-03-25 | 陕西宝光陶瓷科技有限公司 | Ceramic substrate surface metallization coating composition |
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CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 200241 Minhang District Lianhua Road, Shanghai, No. 3998 Patentee after: China Hangfa commercial aviation engine limited liability company Address before: 201109 Shanghai city Minhang District Hongmei Road No. 5696 Room 101 Patentee before: AVIC Commercial Aircraft Engine Co.,Ltd. |