CN105802459A - Cobalt aluminate paint, cobalt aluminate paint preparing method and ceramic core manufacturing method - Google Patents
Cobalt aluminate paint, cobalt aluminate paint preparing method and ceramic core manufacturing method Download PDFInfo
- Publication number
- CN105802459A CN105802459A CN201610227441.4A CN201610227441A CN105802459A CN 105802459 A CN105802459 A CN 105802459A CN 201610227441 A CN201610227441 A CN 201610227441A CN 105802459 A CN105802459 A CN 105802459A
- Authority
- CN
- China
- Prior art keywords
- cobalt aluminate
- ceramic core
- coating
- preparation
- percentage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5031—Alumina
- C04B41/5032—Aluminates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Structural Engineering (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
The invention discloses cobalt aluminate paint.The cobalt aluminate paint comprises, by weight, 20-40% of cobalt aluminate, 15-20% of polyethylene glycol, 30-40% of deionized water, 5-10% of ammonium dihydrogen phosphate, 0-20% of aluminum oxide and 0.5-1% of defoamer.Casting surface grains can be refined by means of the cobalt aluminate paint.The invention further discloses a cobalt aluminate paint preparing method and a ceramic core manufacturing method.
Description
Technical field
The present invention relates to the precision casting technology of high-temperature alloy part, be specifically related to cobalt aluminate coating, the preparation method of cobalt aluminate coating and ceramic core manufacture method.
Background technology
At present, gas turbine turbine blade manufacture concentrates on equiax crystal, column crystal, monocrystalline, but the application of equiax crystal or main flow.Equiax crystal turbine blade manufacture the most still concentrates in thin brilliant casting, and it is the smaller the better to make every effort to crystal grain, and cast(ing) surface grain refinement technology is the most ripe, for ferrous alloy, and the method for industry widely used mo(U)ld face brushing cobalt aluminate coating.But, the refinement of cast-internal crystal grain is the most of equal importance for the raising of casting quality, and the refinement of cast-internal crystal grain is conducive to being greatly improved the combination property of foundry goods.
For this reason, it may be desirable to seek a kind of technical scheme, with the problem at least alleviating existence.
Summary of the invention
On the one hand, the technical problem to be solved in the present invention is to provide a kind of cobalt aluminate coating that can refine cast(ing) surface crystal grain.
On the other hand, the technical problem to be solved in the present invention is to provide the preparation method of a kind of cobalt aluminate coating.
Another further aspect, the technical problem to be solved in the present invention is to provide a kind of ceramic core manufacture method.
For solving technical problem on the one hand, the present invention uses following technical proposals.
A kind of cobalt aluminate coating, including following components in percentage by weight: the cobalt aluminate of 20-40%, the Polyethylene Glycol of 15-20%, the deionized water of 30-40%, the ammonium dihydrogen phosphate of 5-10%, the aluminium oxide of 0-20%, the defoamer of 0.5-1%.
The grain graininess of described cobalt aluminate is 300-400 mesh.
For solving technical problem on the other hand, the present invention uses following technical proposals.
The preparation method of a kind of cobalt aluminate coating, comprises the following steps:
Step one, takes the cobalt aluminate of following components in percentage by weight: 20-40%, the Polyethylene Glycol of 15-20% and the deionized water of 30-40%, more aforementioned each component mix homogeneously is obtained mixture；
Step 2, joins in the mixture obtained by described step one and mix homogeneously by the ammonium dihydrogen phosphate of 5-10% percentage by weight, the aluminium oxide of 0-20% percentage by weight；And
Step 3, joins in the mixture obtained by described step 2 by the defoamer of 0.5-1% percentage by weight and mix homogeneously obtains described cobalt aluminate coating.
In described step one, use core ball mill by each component mix homogeneously.
In described step 2, use core ball mill by each component mix homogeneously.
In described step 3, use de-airing mixer by each component mix homogeneously.
The grain graininess of described cobalt aluminate is 300-400 mesh.
For solving the technical problem of another further aspect, the present invention uses following technical proposals.
A kind of ceramic core manufacture method, comprises the following steps:
S1, preparation is less than the ceramic core of relative theory size 0.05-0.5mm；
S2, uses the preparation method of above-mentioned cobalt aluminate coating to obtain cobalt aluminate coating；
S3, the cobalt aluminate coating obtained by the surface of the ceramic core prepared by described S1 uniformly coats described S2；And
S4, the ceramic core obtained by described S3 is dried, and this ceramic core obtained under 700-900 DEG C of temperature conditions the ceramic core of Surface coating carefully brilliant cobalt aluminate coating through presintering in 1-2 hour.
Coating construction method in described S3 is: at least 1h in the cobalt aluminate coating obtained by using infusion process that the ceramic core prepared by described S1 immerses under conditions of vacuum is 1-5pa described S2, or uses spraying process to use spray gun spraying thickness to be the coating of 0.05-0.1mm on the surface of the ceramic core prepared by S1.
In described S4, drying means is: the ceramic core obtaining described S3 is dried 4-5 hour at ambient temperature, or is incubated 1-2h in the environment that temperature is 100-130 DEG C.
The present invention has following Advantageous Effects.
Being shown by contrast experiment, the cobalt aluminate coating of the present invention can effectively refine cast-internal surface microstructure, is greatly improved the combination property of foundry goods.Using the ceramic core manufacture method of the present invention, ceramic core surface carries out cobalt aluminate coating process, during construction, core cavity and the thin brilliant cobalt aluminate coating layer touch of ceramic core outer layer, so that the crystal grain of foundry goods is also refined.
Accompanying drawing explanation
Fig. 1 is the metallograph of the surface of internal cavity using the foundry goods not using the ceramic core of the present invention to prepare.
Fig. 2 is the metallograph of the surface of internal cavity of the foundry goods using the ceramic core using the present invention to prepare.
Detailed description of the invention
For technical characteristic and effect of the present invention can be described in detail, and can realize according to the content of this specification, below in conjunction with the accompanying drawings embodiments of the present invention be further illustrated.
Implement 1
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 20%, the Polyethylene Glycol of 15%, the deionized water of 40%, the ammonium dihydrogen phosphate of 10%, the aluminium oxide of 14.5%, the defoamer of 0.5%.
Embodiment 2
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 40%, the Polyethylene Glycol of 20%, the deionized water of 30%, the ammonium dihydrogen phosphate of 9%, the aluminium oxide of 0%, the defoamer of 1%.
Embodiment 3
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 25%, the Polyethylene Glycol of 17%, the deionized water of 33%, the ammonium dihydrogen phosphate of 5%, the aluminium oxide of 19.5%, the defoamer of 0.5%.
Embodiment 4
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 30%, the Polyethylene Glycol of 19%, the deionized water of 35.2%, the ammonium dihydrogen phosphate of 7%, the aluminium oxide of 8.1%, the defoamer of 0.7%.
Embodiment 5
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 35%, the Polyethylene Glycol of 16.6%, the deionized water of 34.3%, the ammonium dihydrogen phosphate of 8.2%, the aluminium oxide of 5%, the defoamer of 0.9%.
Embodiment 6
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 22.5%, the Polyethylene Glycol of 16%, the deionized water of 36%, the ammonium dihydrogen phosphate of 6%, the aluminium oxide of 18.9%, the defoamer of 0.6%.
Embodiment 7
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 27.5%, the Polyethylene Glycol of 18%, the deionized water of 37.5%, the ammonium dihydrogen phosphate of 9.5%, the aluminium oxide of 6.7%, the defoamer of 0.8%.
Embodiment 8
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 32.5%, the Polyethylene Glycol of 15.1%, the deionized water of 35.4%, the ammonium dihydrogen phosphate of 5.5%, the aluminium oxide of 10.7%, the defoamer of 0.8%.
Embodiment 9
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 23.8%, the Polyethylene Glycol of 15.1%, the deionized water of 38.9%, the ammonium dihydrogen phosphate of 5%, the aluminium oxide of 16.7%, the defoamer of 0.5%.
Embodiment 10
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 37.2%, the Polyethylene Glycol of 15.1%, the deionized water of 38.9%, the ammonium dihydrogen phosphate of 5%, the aluminium oxide of 3.3%, the defoamer of 0.5%.
Embodiment 11
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 24.5%, the Polyethylene Glycol of 17%, the deionized water of 33%, the ammonium dihydrogen phosphate of 5%, the aluminium oxide of 20%, the defoamer of 0.5%.
Embodiment 12
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 28%, the Polyethylene Glycol of 17%, the deionized water of 32%, the ammonium dihydrogen phosphate of 5%, the aluminium oxide of 17.5%, the defoamer of 0.5%.
Embodiment 13
A kind of cobalt aluminate coating of the present invention, including following components in percentage by weight: the cobalt aluminate of 38.3%, the Polyethylene Glycol of 17%, the deionized water of 32%, the ammonium dihydrogen phosphate of 5%, the aluminium oxide of 7.2%, the defoamer of 0.5%.
In above-described embodiment, the grain graininess of cobalt aluminate is that 300-400 mesh is preferable.
Embodiment 14
The preparation method of a kind of cobalt aluminate coating of the present invention, comprises the following steps:
Step one, cobalt aluminate, Polyethylene Glycol and deionized water is taken by percentage by weight in above-described embodiment 1, again this cobalt aluminate, Polyethylene Glycol and deionized water mix homogeneously in planetary ball mill is obtained mixture, generally, mix and get final product mix homogeneously in 30-60 minute；Wherein, the grain graininess of cobalt aluminate is that 300-400 mesh is preferable.
Step 2, by taking ammonium dihydrogen phosphate by percentage by weight in above-described embodiment 1, aluminium oxide joins in the mixture obtained by abovementioned steps one, continues batch mixing to mix homogeneously in planetary ball mill, and generally, at least mixing gets final product mix homogeneously in 15 minutes.
Step 3, take out the mixture after step 2 mix homogeneously, to join in the mixture after taken out step 2 mix homogeneously by the defoamer of percentage by weight in above-described embodiment 1, then be placed in de-airing mixer to be thoroughly mixed and uniformly obtain cobalt aluminate coating.
Embodiment 15-26
The preparation method of other cobalt aluminate coating of the present invention, according to the step of embodiment 14, takes each component by percentage by weight in embodiment 2-13 respectively and obtains corresponding cobalt aluminate coating.
Embodiment 27
A kind of ceramic core manufacture method of the present invention, comprises the following steps:
S1, preparation is less than the ceramic core of relative theory size 0.05-0.5mm；
S2, uses the preparation method of any of the above-described cobalt aluminate coating to obtain cobalt aluminate coating；
S3, the cobalt aluminate coating obtained by the surface of the ceramic core prepared by S1 uniformly coats S2；
S4, the ceramic core obtained by S3 is dried, and this ceramic core obtained under 700-900 DEG C of temperature conditions the ceramic core of Surface coating carefully brilliant cobalt aluminate coating through presintering in 1-2 hour.
In certain embodiments, coating construction method in above-mentioned S3 is: at least 1h in the cobalt aluminate coating obtained by using infusion process that the ceramic core prepared by described S1 immerses under conditions of vacuum is 1-5pa S2, or uses spraying process to use spray gun spraying thickness to be the coating of 0.05-0.1mm on the surface of the ceramic core prepared by S1.
In certain embodiments, in above-mentioned S4, drying means is: the ceramic core obtaining S3 is dried 4-5 hour at ambient temperature, or is incubated 1-2h in the environment that temperature is 100-130 DEG C.
Fig. 1 is the metallograph of the surface of internal cavity using the foundry goods not using the ceramic core of the present invention to prepare.Use the crystallite dimension on the core cavity surface that this ceramic core formed, crystallite dimension between Φ 3-8mm, average grain size Φ 5.5mm.
Fig. 2 is the metallograph of the surface of internal cavity of the foundry goods using the ceramic core using the present invention to prepare.Under equal pouring condition, the crystallite dimension on the core cavity surface that the contracting of this ceramic core is formed, crystallite dimension between Φ 0.5-3.5mm, average grain size Φ 2mm.
As can be seen here, use the cobalt aluminate coating of the present invention and the ceramic core that ceramic core manufacture method is worth, can effectively refine core cavity surface microstructure.
It should be noted that each the concrete technical characteristic described in above-mentioned detailed description of the invention, in the case of reconcilable, can by any applicable by the way of be combined.Each concrete technical characteristic described in different detailed description of the invention, in the case of reconcilable, each other can also by any applicable by the way of be combined.In order to avoid unnecessary repetition, various possible compound modes are not described further by the present invention.
Above with reference to embodiment to the present invention have been described in detail, being illustrative and not restrictive, changing and modifications under without departing from present general inventive concept, all within protection scope of the present invention.
Claims (10)
1. a cobalt aluminate coating, it is characterised in that include the cobalt aluminate of following components in percentage by weight: 20-40%, the Polyethylene Glycol of 15-20%, the deionized water of 30-40%, the ammonium dihydrogen phosphate of 5-10%, the aluminium oxide of 0-20%, the defoamer of 0.5-1%.
Cobalt aluminate coating the most according to claim 1, it is characterised in that the grain graininess of described cobalt aluminate is 300-400 mesh.
3. the preparation method of a cobalt aluminate coating, it is characterised in that comprise the following steps:
Step one, takes the cobalt aluminate of following components in percentage by weight: 20-40%, the Polyethylene Glycol of 15-20% and the deionized water of 30-40%, more aforementioned each component mix homogeneously is obtained mixture；
Step 2, joins in the mixture obtained by described step one and mix homogeneously by the ammonium dihydrogen phosphate of 5-10% percentage by weight, the aluminium oxide of 0-20% percentage by weight；And
Step 3, joins in the mixture obtained by described step 2 by the defoamer of 0.5-1% percentage by weight and mix homogeneously obtains described cobalt aluminate coating.
Preparation method the most according to claim 3, it is characterised in that in described step one, uses core ball mill by each component mix homogeneously.
Preparation method the most according to claim 3, it is characterised in that in described step 2, uses core ball mill by each component mix homogeneously.
Preparation method the most according to claim 3, it is characterised in that in described step 3, uses de-airing mixer by each component mix homogeneously.
7. according to the preparation method described in any one of claim 3 to 6, it is characterised in that the grain graininess of described cobalt aluminate is 300-400 mesh.
8. a ceramic core manufacture method, it is characterised in that comprise the following steps:
S1, preparation is less than the ceramic core of relative theory size 0.05-0.5mm；
S2, uses the preparation method described in any one of claim 3 to 6 to obtain cobalt aluminate coating；
S3, the cobalt aluminate coating obtained by the surface of the ceramic core prepared by described S1 uniformly coats described S2；And
S4, the ceramic core obtained by described S3 is dried, and this ceramic core obtained under 700-900 DEG C of temperature conditions the ceramic core of Surface coating carefully brilliant cobalt aluminate coating through presintering in 1-2 hour.
Ceramic core manufacture method the most according to claim 8, it is characterized in that, coating construction method in described S3 is: at least 1h in the cobalt aluminate coating obtained by using infusion process that the ceramic core prepared by described S1 immerses under conditions of vacuum is 1-5pa described S2, or uses spraying process to use spray gun spraying thickness to be the coating of 0.05-0.1mm on the surface of the ceramic core prepared by S1.
Ceramic core manufacture method the most according to claim 8 or claim 9, it is characterised in that in described S4, drying means is: the ceramic core obtaining described S3 is dried 4-5 hour at ambient temperature, or in the environment that temperature is 100-130 DEG C, it is incubated 1-2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610227441.4A CN105802459B (en) | 2016-04-13 | 2016-04-13 | Cobalt aluminate coating, cobalt aluminate preparation method for coating and ceramic core manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610227441.4A CN105802459B (en) | 2016-04-13 | 2016-04-13 | Cobalt aluminate coating, cobalt aluminate preparation method for coating and ceramic core manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105802459A true CN105802459A (en) | 2016-07-27 |
| CN105802459B CN105802459B (en) | 2018-08-31 |
Family
ID=56460101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610227441.4A Active CN105802459B (en) | 2016-04-13 | 2016-04-13 | Cobalt aluminate coating, cobalt aluminate preparation method for coating and ceramic core manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105802459B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106809885A (en) * | 2017-01-10 | 2017-06-09 | 上海印钞有限公司 | A kind of preparation method of nanometer cobalt blue dye |
| CN110181001A (en) * | 2019-07-08 | 2019-08-30 | 鹰普航空零部件（无锡）有限公司 | A kind of precision casting process of superalloy turbine |
| CN112207234A (en) * | 2020-10-14 | 2021-01-12 | 鹰普航空科技有限公司 | Precise casting process of complex high-temperature alloy nozzle ring |
| CN114350186A (en) * | 2021-12-23 | 2022-04-15 | 东方电气集团东方汽轮机有限公司 | Cobalt aluminate coating, ceramic core and preparation method |
| CN114346170A (en) * | 2021-12-20 | 2022-04-15 | 中国船舶重工集团公司第十二研究所 | Method for investment casting of high-temperature alloy casting |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479440A (en) * | 2014-12-22 | 2015-04-01 | 东莞市罗曼罗兰电器科技有限公司 | Paint capable of releasing negative ions as well as preparation method and spraying technology thereof |
-
2016
- 2016-04-13 CN CN201610227441.4A patent/CN105802459B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479440A (en) * | 2014-12-22 | 2015-04-01 | 东莞市罗曼罗兰电器科技有限公司 | Paint capable of releasing negative ions as well as preparation method and spraying technology thereof |
Non-Patent Citations (1)
| Title |
|---|
| 邱华: "K418 高温合金用铝酸钴晶粒细化剂的研制及应用", 《FOUNDRY TECHNOLOGY》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106809885A (en) * | 2017-01-10 | 2017-06-09 | 上海印钞有限公司 | A kind of preparation method of nanometer cobalt blue dye |
| CN106809885B (en) * | 2017-01-10 | 2019-07-12 | 上海印钞有限公司 | A kind of preparation method of nanometer cobalt blue dye |
| CN110181001A (en) * | 2019-07-08 | 2019-08-30 | 鹰普航空零部件（无锡）有限公司 | A kind of precision casting process of superalloy turbine |
| CN112207234A (en) * | 2020-10-14 | 2021-01-12 | 鹰普航空科技有限公司 | Precise casting process of complex high-temperature alloy nozzle ring |
| CN114346170A (en) * | 2021-12-20 | 2022-04-15 | 中国船舶重工集团公司第十二研究所 | Method for investment casting of high-temperature alloy casting |
| CN114350186A (en) * | 2021-12-23 | 2022-04-15 | 东方电气集团东方汽轮机有限公司 | Cobalt aluminate coating, ceramic core and preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105802459B (en) | 2018-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105802459A (en) | Cobalt aluminate paint, cobalt aluminate paint preparing method and ceramic core manufacturing method | |
| CN104368757B (en) | A kind of thin-wall ring investment-casting shell and preparation method thereof | |
| CN102491785B (en) | Method for improving property of ceramic core through high-temperature inorganic coating | |
| CN105057594B (en) | A kind of investment precision casting technology | |
| CN104001856B (en) | The titanium alloy precision casting preparation method of oxide ceramics composite shell | |
| CN104404508A (en) | Laser additive manufacturing method for aluminium alloy structural part | |
| CN105880464A (en) | Graphite mould casting method for large thin-walled titanium alloy castings | |
| CN100455377C (en) | Casting titanium and titanium-aluminide alloy ceramic type backing layer paint and its preparation method | |
| CN101890480A (en) | Method for quickly forming and manufacturing ceramic core | |
| EP1903127A1 (en) | Process of manufacturing of workpieces by cold gas spraying and turbine workpiece | |
| CN105618676A (en) | Environment-friendly preparation method for automobile engine shell | |
| CN109047660B (en) | Impeller full form casting process, impeller and centrifugal compressor | |
| CN104325081A (en) | Preparation method of combined type shell with heat insulating materials implanted therein | |
| CN106735241B (en) | A kind of reinforced resin optical soliton interaction method | |
| CN105945227A (en) | Precise casting technology for fusion mold | |
| CN104014764B (en) | A kind of aluminum alloy low-pressure casting preparation method of ceramic sprue bushing | |
| CN107486543A (en) | A kind of full form casting process of case of transmission | |
| CN101429045B (en) | Zirconium acetate agglutinate yttrium oxide shuttering and method for producing the same | |
| CN104353786A (en) | Preparation method of shell with long and thin blades of investment casting aero-engine | |
| JP2005349472A (en) | Lost wax casting method using contact layer | |
| EP1593445A1 (en) | Process of making a hollow member having an internal coating | |
| CN109746386A (en) | A kind of foundry sand shell and preparation method thereof | |
| CN104072154B (en) | The coated silica glass base ceramic core of a kind of rare earth | |
| CN107881361A (en) | A kind of preparation technology of copper casted sculpture material and copper casted sculpture | |
| CN111804873B (en) | Shell seal dripping slurry and process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |