CN105693254A - Water-soluble ceramic core material and preparation method thereof - Google Patents
Water-soluble ceramic core material and preparation method thereof Download PDFInfo
- Publication number
- CN105693254A CN105693254A CN201610075261.9A CN201610075261A CN105693254A CN 105693254 A CN105693254 A CN 105693254A CN 201610075261 A CN201610075261 A CN 201610075261A CN 105693254 A CN105693254 A CN 105693254A
- Authority
- CN
- China
- Prior art keywords
- water
- core
- soluble
- ceramic material
- preparation
- 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
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/6261—Milling
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/62675—Thermal treatment of powders or mixtures thereof other than sintering characterised by the treatment temperature
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
- C04B2235/6022—Injection moulding
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/612—Machining
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention belongs to the precision casting technique and relates to a water-soluble ceramic core material and a preparation method thereof. The water-soluble ceramic core material comprises a high-temperature ceramic material, water-soluble inorganic salts, metallic oxides and at least one amorphous ceramic material. The preparation method comprises the following steps: raw material pretreatment, raw material weighing, mixing, mold core forming, degreasing, sintering and secondary sintering. According to the water-soluble ceramic core material and the preparation method, the properties of surface quality, dimensional precision, foaming level, mechanical strength, heat resistance, water solubility, environment friendliness and the like of the mold core can be considered, and scientific research and production requirements of aluminum alloy are met.
Description
Technical field
The invention belongs to precision casting technology, relate to a kind of Water-soluble ceramic core material for aluminium alloy castings and the method for preparation Water-soluble ceramic core。
Background technology
Constantly promoting of aircraft equipment performance is increasing to the demand of complicated inner cavity structure, high-quality and high-precision light alloy casting。Aluminium alloy quality gently has the mechanical property of excellence simultaneously, is therefore widely used in fields such as Aeronautics and Astronautics, weapons and transportation。Aluminium alloy castings near-net-shape containing complicated inner cavity structure it is crucial that develop and be applicable to foundry goods entirety without the core material of surplus molding, and the performance of core (mechanical property, thermal stability, chemical stability, surface quality, the easy degree of the demoulding etc.) is good and bad and Engineering Reliability height directly influences the qualification rate of precision castings, casting cost and product quality。At present, the high-temperature flame-proof ceramic core being generally adopted, although having the advantages such as high surface finish, high stability and high intensity, but need when it removes in foundry goods to soak in strong base solution or Fluohydric acid., or by pressure depoling, serious environmental pollution can be caused on the one hand, also aluminium alloy castings can be produced infringement on the other hand, affect surface quality and dimensional accuracy。After water-soluble core meets water, intensity significantly reduces or highly defeated and dispersed so that it is is easy to from foundry goods without residually removing without special equipment, therefore enjoys the favor of complex structural member hot investment casting。Carbamide core widely used at present and resin sand core, poor heat resistance, gas forming amount are big, intensity is low, cause that surface quality of continuous castings is poor, gas hole defect is many, deform and dimensional accuracy is low, have a strong impact on the product qualified rate of intricate casting。For improving the production efficiency of precision casting further, reduce energy consumption, reduce cost, be badly in need of developing the core of a kind of higher performance。
China is considerably less about document and the patent of water-soluble core product and application thereof, and this technology popularity rate of application in precision casting produces is non-normally low, and the water-soluble core reported mainly has water soluble salt core and Water-soluble ceramic core。There is surface quality difference in the former, intensity is low, depoling difficulty, it is necessary to substantial amounts of water rinses, reclaim the shortcomings such as difficulty (Ceramic Technology Ltd.. based on the core and preparation method thereof of salt: China, CN200980136389.X [P], 2011-8-17；Hunan Jiangbin Machinery (Group) Co., Ltd.. foundry water-soluble composite salt core material, salt core preparation method and prepared salt core: China, CN201010218306.6 [P] .2010-10-27)；And the Water-soluble ceramic core based on refractory material, it is expected to obtain higher mechanical strength, refractoriness and chemical stability, and water solublity preferably。This kind of Water-soluble ceramic core is mainly with indissoluble refractory material such as aluminium oxide, Zirconium orthosilicate., silicon dioxide etc. for base material, soluble inorganic salt (alkali metal or the chloride of alkaline-earth metal, carbonate or sulfate etc.) is binding agent, is made by corresponding moulding process。But with regard to the report in current document and actual applicable cases (Jiangsu University. a kind of Water-soluble ceramic core and preparation method thereof, CN201210276204.9,2012-11-21. the wet compressive strength of the core that this patent obtains is 0.025MPa, dry comprcssive strength is about 1.2MPa, low strength), such core yet suffers from the problems such as poor surface smoothness, intensity are low, is difficult in actual production and promotes。Do not retrieve the open source literature of the Water-soluble ceramic core material of the performances such as the surface quality taking into account core, level of getting angry, mechanical strength, thermostability, water solublity。
Summary of the invention:
It is an object of the invention to: propose a kind of high performance Water-soluble ceramic core material and the method for preparation Water-soluble ceramic core, to take into account the performances such as the surface quality of core, dimensional accuracy, level of getting angry, mechanical strength, thermostability, water solublity, the feature of environmental protection, meet the needs of aluminium alloy research and production。
The technical scheme is that a kind of Water-soluble ceramic core material, it is characterised in that: it is by high temperature ceramic material, water-soluble inorganic salt and metal-oxide, and at least one amorphous ceramic material composition；Mass fraction shared by water-soluble inorganic salt is 10%～50%；Mass fraction shared by water soluble metal oxide is 2%～50%；Mass fraction shared by amorphous ceramic material is 0.1%～30%；Surplus is high temperature ceramic material；Described high temperature ceramic material includes the mixture of aluminium oxide, silicon oxide, zirconium oxide, magnesium oxide, zinc oxide, spinelle, mullite, zircon, wollastonite, aluminium nitride, silicon nitride one of them or different materials, and the powder size of high temperature ceramic material is 50 order～8000 orders；Described water-soluble inorganic salt is sodium chloride, potassium chloride, potassium carbonate, sodium carbonate, calcium chloride, magnesium chloride, sodium sulfate, magnesium sulfate；Described water soluble metal oxide is calcium oxide；Described amorphous ceramic material includes the mixture of amorphous silicon oxide, montmorillonite or kieselguhr one of them or different materials, and the powder size of amorphous ceramic material is 50 order～8000 orders。
The preparation method of Water-soluble ceramic core as described above, it is characterised in that: the step of preparation is as follows:
1, pretreatment of raw material:
1.1, high temperature ceramic material is put into Muffle furnace is heated to 800 DEG C～1000 DEG C, be incubated 2h～5h；
1.2, by water-soluble inorganic salt ball milling 1h～5h when rotating speed 300r/min～600r/min, the powder after by 120 eye mesh screens is chosen；
1.3, water soluble metal oxide is put in mortar and grind, choose the powder after by 120 eye mesh screens, put into and Muffle furnace is heated to 800 DEG C～1000 DEG C, be incubated 1h～5h；
1.4, amorphous ceramic material is put into Muffle furnace is heated to 500 DEG C～800 DEG C, be incubated 2h～5h；
2, raw material weighing: weigh pretreated high temperature ceramic material, water-soluble inorganic salt, water soluble metal oxide and amorphous ceramic material in proportion, prepares solid powder mixture；
3, batch mixing:
3.1, will weigh pretreated high temperature ceramic material in proportion, water-soluble inorganic salt, water soluble metal oxide, amorphous ceramic material put into ball mill, and put into expansible graphite, the mass fraction of expansible graphite is the 0.005%～0.05% of above-mentioned raw materials solid powder mixture, and the particle diameter of expansible graphite is 100 order～200 orders；When rotating speed 200r/min～400r/min, ball milling 1h～5h is until Homogeneous phase mixing, obtains solid powder mixture；
3.2, preparation plasticizer: plasticizer is made up of paraffin, Cera Flava, polyethylene and stearic acid, its mass fraction ratio is for 88:5:2:5；Load weighted paraffin is put into oil bath pan 80 DEG C of fusings, be subsequently adding load weighted polyethylene 120 DEG C of mechanical agitation to being completely dissolved, be sequentially added into load weighted Cera Flava and stearic acid subsequently, stir 5min～10min；
3.3, adding in melted plasticizer by solid powder mixture, the slurry that mechanical agitation 1h～8h is uniformly mixed under 120 DEG C of temperature conditions, the mass fraction that wherein plasticizer is shared in the slurry is 10%～30%；
4, core moulding:
4.1, the mould after cleaning is put into 20 DEG C～30 DEG C heating 0.5h～2h in baking oven；
4.2, by wax injector by injection-compression molding in slurry press-in die, pressure is 0.2MPa～1MPa, and die sinking obtains core base substrate；
5, defat and sintering:
5.1, by the embedment of core base substrate equipped with, in the crucible of alumina packing, putting in Muffle furnace and heat successively to 200 DEG C of insulation 2h with the heating rate of 1 DEG C/min～5 DEG C/min, heating to 300 DEG C of insulation 2h, heating is incubated 2h to 400 DEG C, and heating is incubated 2h to 500 DEG C；
5.2, it is continuously heating to 700 DEG C～900 DEG C insulation 1h～3h with the heating rate of 1 DEG C/min～10 DEG C/min, cools to room temperature afterwards with the furnace；
6, double sintering: take out the core after oversintering from buried powder, and clear up surface with hairbrush, core after cleaning is put in Muffle furnace and be warming up to 750 DEG C～950 DEG C insulation 0.5h～2h with the heating rate of 5 DEG C/min～10 DEG C/min, cool to room temperature afterwards with the furnace。
The invention have the advantage that a kind of method proposing high performance Water-soluble ceramic core material and preparation Water-soluble ceramic core, the performances such as the surface quality of core, dimensional accuracy, level of getting angry, mechanical strength, thermostability, water solublity, the feature of environmental protection can be taken into account, meet the needs of research and production。
Detailed description of the invention
Below the present invention is described in further details。A kind of Water-soluble ceramic core material, it is characterised in that: it is by high temperature ceramic material, water-soluble inorganic salt and metal-oxide, and at least one amorphous ceramic material composition；Mass fraction shared by water-soluble inorganic salt is 10%～50%；Mass fraction shared by water soluble metal oxide is 2%～50%；Mass fraction shared by amorphous ceramic material is 0.1%～30%；Surplus is high temperature ceramic material；Described high temperature ceramic material includes the mixture of aluminium oxide, silicon oxide, zirconium oxide, magnesium oxide, zinc oxide, spinelle, mullite, zircon, wollastonite, aluminium nitride, silicon nitride one of them or different materials, and the powder size of high temperature ceramic material is 50 order～8000 orders；Described water-soluble inorganic salt is sodium chloride, potassium chloride, potassium carbonate, sodium carbonate, calcium chloride, magnesium chloride, sodium sulfate, magnesium sulfate；Described water soluble metal oxide is calcium oxide；Described amorphous ceramic material includes the mixture of amorphous silicon oxide, montmorillonite or kieselguhr one of them or different materials, and the powder size of amorphous ceramic material is 50 order～8000 orders。
The preparation method of Water-soluble ceramic core as described above, it is characterised in that: the step of preparation is as follows:
1, pretreatment of raw material:
1.1, high temperature ceramic material is put into Muffle furnace is heated to 800 DEG C～1000 DEG C, be incubated 2h～5h；
1.2, by water-soluble inorganic salt ball milling 1h～5h when rotating speed 300r/min～600r/min, the powder after by 120 eye mesh screens is chosen；
1.3, water soluble metal oxide is put in mortar and grind, choose the powder after by 120 eye mesh screens, put into and Muffle furnace is heated to 800 DEG C～1000 DEG C, be incubated 1h～5h；
1.4, amorphous ceramic material is put into Muffle furnace is heated to 500 DEG C～800 DEG C, be incubated 2h～5h；
2, raw material weighing: weigh pretreated high temperature ceramic material, water-soluble inorganic salt, water soluble metal oxide and amorphous ceramic material in proportion, prepares solid powder mixture；
3, batch mixing:
3.1, will weigh pretreated high temperature ceramic material in proportion, water-soluble inorganic salt, water soluble metal oxide, amorphous ceramic material put into ball mill, and put into expansible graphite, the mass fraction of expansible graphite is the 0.005%～0.05% of above-mentioned raw materials solid powder mixture, and the particle diameter of expansible graphite is 100 order～200 orders；When rotating speed 200r/min～400r/min, ball milling 1h～5h is until Homogeneous phase mixing, obtains solid powder mixture；
3.2, preparation plasticizer: plasticizer is made up of paraffin, Cera Flava, polyethylene and stearic acid, its mass fraction ratio is for 88:5:2:5；Load weighted paraffin is put into oil bath pan 80 DEG C of fusings, be subsequently adding load weighted polyethylene 120 DEG C of mechanical agitation to being completely dissolved, be sequentially added into load weighted Cera Flava and stearic acid subsequently, stir 5min～10min；
3.3, adding in melted plasticizer by solid powder mixture, the slurry that mechanical agitation 1h～8h is uniformly mixed under 120 DEG C of temperature conditions, the mass fraction that wherein plasticizer is shared in the slurry is 10%～30%；
4, core moulding:
4.1, the mould after cleaning is put into 20 DEG C～30 DEG C heating 0.5h～2h in baking oven；
4.2, by wax injector by injection-compression molding in slurry press-in die, pressure is 0.2MPa～1MPa, and die sinking obtains core base substrate；
5, defat and sintering:
5.1, by the embedment of core base substrate equipped with, in the crucible of alumina packing, putting in Muffle furnace and heat successively to 200 DEG C of insulation 2h with the heating rate of 1 DEG C/min～5 DEG C/min, heating to 300 DEG C of insulation 2h, heating is incubated 2h to 400 DEG C, and heating is incubated 2h to 500 DEG C；
5.2, it is continuously heating to 700 DEG C～900 DEG C insulation 1h～3h with the heating rate of 1 DEG C/min～10 DEG C/min, cools to room temperature afterwards with the furnace；
6, double sintering: take out the core after oversintering from buried powder, and clear up surface with hairbrush, core after cleaning is put in Muffle furnace and be warming up to 750 DEG C～950 DEG C insulation 0.5h～2h with the heating rate of 5 DEG C/min～10 DEG C/min, cool to room temperature afterwards with the furnace。
The preparation method of Water-soluble ceramic core as described above, it is characterised in that: Water-soluble ceramic core is carried out water repellent treatment, specifically comprises the following steps that
1, preparation organic solution: prepare with acetone be solvent epoxy resin or phenolic resin organic solution, the mass fraction of resin is 10%～50%；
2, surface size: the core after sintering is immersed 1min～5min in the organic solution prepared；
3, solidify: the core base substrate after starching is taken out, put into 60 DEG C～200 DEG C of baking oven heating 0.1h～1h and solidify, then furnace cooling。
Core is carried out water repellent treatment, and to prevent its degradation between storage period in atmosphere, the intensity simultaneously increasing core is readily transported preservation。
Embodiment 1
A kind of Water-soluble ceramic core material, is made up of the amorphous silica powder of granularity to be the alumina powder of 2000 orders, sodium chloride, calcium oxide and granularity be 500 orders；Wherein the mass fraction shared by alumina powder is 57%, and the mass fraction shared by sodium chloride is 30%, and the mass fraction shared by calcium oxide is 5%, and the mass fraction shared by amorphous silica is 8%。
By the method for Water-soluble ceramic core material recited above preparation material Water-soluble ceramic core, its step prepared is as follows:
1, pretreatment of raw material:
1.1, alumina powder is put into Muffle furnace is heated to 850 DEG C, be incubated 3h；
1.2, by sodium chloride ball milling 1h when rotating speed 500r/min, the powder after by 120 eye mesh screens is chosen；
1.3, calcium oxide is put in mortar and grind, choose the powder after by 120 eye mesh screens, put into and Muffle furnace is heated to 800 DEG C, be incubated 1h；
1.4, amorphous silica powder is put into Muffle furnace is heated to 800 DEG C, be incubated 3h；
2, raw material weighing: weigh alumina powder 57g, sodium chloride 30g, lime powder 5g, SiO 2 powder 8g；
3, batch mixing:
3.1, above raw material being put into ball mill, and put into the expansible graphite 0.01g that particle diameter is 120 orders, when rotating speed 300r/min, ball milling 1h is until Homogeneous phase mixing, obtains solid powder mixture；
3.2, preparation plasticizer: weigh paraffin 17.6g and be placed in rustless steel beaker, and melt in the thermostatical oil bath that temperature is 80 DEG C, be subsequently adding polyethylene 0.4g, and 120 DEG C of stirrings, treat that polyethylene is completely dissolved, be subsequently added Cera Flava 1.0g, stearic acid 1.0g, stir 5min；
3.3, solid powder mixture is added in melted plasticizer, the slurry that mechanical agitation 1h is uniformly mixed under 120 DEG C of temperature conditions；
4, core moulding:
4.1, the mould after cleaning is put into 25 DEG C of heating 0.5h in baking oven；
4.2, by wax injector by injection-compression molding in slurry press-in die, pressure is 1MPa, and die sinking obtains core base substrate, is of a size of long 120mm × wide 10mm × thickness 4mm；
5, defat and sintering:
5.1, by the embedment of core base substrate equipped with, in the crucible of alumina packing, putting in Muffle furnace and heat successively to 200 DEG C of insulation 2h with the heating rate of 2 DEG C/min, heating to 300 DEG C of insulation 2h, heating is incubated 2h to 400 DEG C, and heating is incubated 2h to 500 DEG C；
5.2, it is continuously heating to 800 DEG C of insulation 2h with the heating rate of 5 DEG C/min, cools to room temperature afterwards with the furnace；
6, double sintering: take out the core after oversintering from buried powder, and clear up surface with hairbrush, core after cleaning is put in Muffle furnace and be warming up to 820 DEG C of insulation 1h with the heating rate of 5 DEG C/min, cool to room temperature afterwards with the furnace, core sample after being sintered, bending strength is about 10MPa。
Embodiment 2
A kind of Water-soluble ceramic core material, is made up of the amorphous silica powder of granularity to be the alumina powder of 200 orders, potassium chloride, calcium oxide and granularity be 1000 orders；Wherein the mass fraction shared by alumina powder is 67%, and the mass fraction shared by potassium chloride is 20%, and the mass fraction shared by calcium oxide is 8%, and the mass fraction shared by amorphous silica is 5%。
By the method for Water-soluble ceramic core material recited above preparation material Water-soluble ceramic core, its step prepared is as follows:
1, pretreatment of raw material:
1.1, alumina powder is put into Muffle furnace is heated to 820 DEG C, be incubated 3h；
1.2, by potassium chloride ball milling 1h when rotating speed 500r/min, the powder after by 120 eye mesh screens is chosen；
1.3, calcium oxide is put in mortar and grind, choose the powder after by 120 eye mesh screens, put into and Muffle furnace is heated to 850 DEG C, be incubated 1h；
1.4, amorphous silica powder is put into Muffle furnace is heated to 800 DEG C, be incubated 3h；
2, raw material weighing: weigh alumina powder 67g, potassium chloride 20g, lime powder 8g, SiO 2 powder 5g；
3, batch mixing:
3.1, above raw material being put into ball mill, and put into the expansible graphite 0.015g that particle diameter is 120 orders, when rotating speed 300r/min, ball milling 1h is until Homogeneous phase mixing, obtains solid powder mixture；
3.2, preparation plasticizer: weigh paraffin 17.6g and be placed in rustless steel beaker, and melt in the thermostatical oil bath that temperature is 80 DEG C, be subsequently adding polyethylene 0.4g, and 120 DEG C of stirrings, treat that polyethylene is completely dissolved, be subsequently added Cera Flava 1.0g, stearic acid 1.0g, stir 5min；
3.3, solid powder mixture is added in melted plasticizer, the slurry that mechanical agitation 1h is uniformly mixed under 120 DEG C of temperature conditions；
4, core moulding:
4.1, the mould after cleaning is put into 20 DEG C of heating 1h in baking oven；
4.2, by wax injector by injection-compression molding in slurry press-in die, pressure is 1MPa, and die sinking obtains core base substrate, is of a size of long 120mm × wide 10mm × thickness 4mm；
5, defat and sintering:
5.1, by the embedment of core base substrate equipped with, in the crucible of alumina packing, putting in Muffle furnace and heat successively to 200 DEG C of insulation 3h with the heating rate of 3 DEG C/min, heating to 300 DEG C of insulation 2h, heating is incubated 2h to 400 DEG C, and heating is incubated 2h to 500 DEG C；
5.2, it is continuously heating to 780 DEG C of insulation 2h with the heating rate of 8 DEG C/min, cools to room temperature afterwards with the furnace；
6, double sintering: take out the core after oversintering from buried powder, and clear up surface with hairbrush, core after cleaning is put in Muffle furnace and be warming up to 800 DEG C of insulation 1h with the heating rate of 8 DEG C/min, cool to room temperature afterwards with the furnace, core sample after being sintered, bending strength is about 8MPa。
Embodiment 3
A kind of Water-soluble ceramic core material, is made up of the amorphous silica powder of granularity to be the alumina powder of 800 orders, sodium sulfate, calcium oxide and granularity be 2000 orders；Wherein the mass fraction shared by alumina powder is 52%, and the mass fraction shared by sodium sulfate is 35%, and the mass fraction shared by calcium oxide is 10%, and the mass fraction shared by amorphous silica is 3%。
By the method for Water-soluble ceramic core material recited above preparation material Water-soluble ceramic core, its step prepared is as follows:
1, pretreatment of raw material:
1.1, alumina powder is put into Muffle furnace is heated to 900 DEG C, be incubated 3h；
1.2, by sodium sulfate ball milling 1h when rotating speed 400r/min, the powder after by 120 eye mesh screens is chosen；
1.3, calcium oxide is put in mortar and grind, choose the powder after by 120 eye mesh screens, put into and Muffle furnace is heated to 900 DEG C, be incubated 1h；
1.4, amorphous silica powder is put into Muffle furnace is heated to 800 DEG C, be incubated 3h；
2, raw material weighing: weigh alumina powder 52g, sodium sulfate 35g, lime powder 10g, SiO 2 powder 3g；
3, batch mixing:
3.1, above raw material being put into ball mill, and put into the expansible graphite 0.015g that particle diameter is 120 orders, when rotating speed 300r/min, ball milling 1h is until Homogeneous phase mixing, obtains solid powder mixture；
3.2, preparation plasticizer: weigh paraffin 17.6g and be placed in rustless steel beaker, and melt in the thermostatical oil bath that temperature is 80 DEG C, be subsequently adding polyethylene 0.4g, and 120 DEG C of stirrings, treat that polyethylene is completely dissolved, be subsequently added Cera Flava 1.0g, stearic acid 1.0g, stir 5min；
3.3, solid powder mixture is added in melted plasticizer, the slurry that mechanical agitation 1h is uniformly mixed under 120 DEG C of temperature conditions；
4, core moulding:
4.1, the mould after cleaning is put into 30 DEG C of heating 0.5h in baking oven；
4.2, by wax injector by injection-compression molding in slurry press-in die, pressure is 0.3MPa, and die sinking obtains core base substrate；
5, defat and sintering:
5.1, by the embedment of core base substrate equipped with, in the crucible of alumina packing, putting in Muffle furnace and heat successively to 200 DEG C of insulation 2h with the heating rate of 1 DEG C/min, heating to 300 DEG C of insulation 2h, heating is incubated 2h to 400 DEG C, and heating is incubated 2h to 500 DEG C；
5.2, it is continuously heating to 880 DEG C of insulation 2h with the heating rate of 10 DEG C/min, cools to room temperature afterwards with the furnace；
6, double sintering: take out the core after oversintering from buried powder, and clear up surface with hairbrush, core after cleaning is put in Muffle furnace and be warming up to 900 DEG C of insulation 1h with the heating rate of 10 DEG C/min, cool to room temperature afterwards with the furnace, the core sample after being sintered。
The preparation method of Water-soluble ceramic core as described above, it is characterised in that: Water-soluble ceramic core is carried out water repellent treatment, specifically comprises the following steps that
1, preparation organic solution: the epoxy resin organic solution that preparation is solvent with acetone, the mass fraction of resin is 20%；
2, surface size: the core after double sintering is immersed 3min in organic solution；
3, solidifying: taken out by the core base substrate after starching, put into 80 DEG C of baking oven heating 1h and solidify, then furnace cooling, the core sample strength obtained is high, easily preserve。
Embodiment 4
A kind of Water-soluble ceramic core material, is made up of the amorphous silica powder of granularity to be the alumina powder of 3000 orders, sodium chloride, calcium oxide and granularity be 1200 orders；Wherein the mass fraction shared by alumina powder is 55%, and the mass fraction shared by sodium chloride is 32%, and the mass fraction shared by calcium oxide is 8%, and the mass fraction shared by amorphous silica is 5%。
By the method for Water-soluble ceramic core material recited above preparation material Water-soluble ceramic core, its step prepared is as follows:
1, pretreatment of raw material:
1.1, alumina powder is put into Muffle furnace is heated to 850 DEG C, be incubated 4h；
1.2, by sodium chloride ball milling 2h when rotating speed 500r/min, the powder after by 120 eye mesh screens is chosen；Calcium oxide is put in mortar and grind, choose the powder after by 120 eye mesh screens, put into and Muffle furnace is heated to 800 DEG C, be incubated 1h；
1.3, amorphous silica powder is put into Muffle furnace is heated to 800 DEG C, be incubated 3h；
2, raw material weighing: weigh alumina powder 275g, sodium chloride 160g, lime powder 40g, SiO 2 powder 25g；
3, batch mixing:
3.1, above raw material being put into ball mill, and put into the expansible graphite 0.08g that particle diameter is 120 orders, when rotating speed 300r/min, ball milling 3h is until Homogeneous phase mixing, obtains solid powder mixture；
3.2, preparation plasticizer: weigh paraffin 88g and be placed in rustless steel beaker, and melt in the thermostatical oil bath that temperature is 80 DEG C, be subsequently adding polyethylene 2g, and 120 DEG C of stirrings, treat that polyethylene is completely dissolved, be subsequently added Cera Flava 5g, stearic acid 5g, stir 10min；
3.3, solid powder mixture is added in melted plasticizer, the slurry that mechanical agitation 3h is uniformly mixed under 120 DEG C of temperature conditions；
4, core moulding:
4.1, the mould after cleaning is put into 25 DEG C of heating 1h in baking oven；
4.2, by wax injector by injection-compression molding in slurry press-in die, pressure is 1MPa, and die sinking obtains core base substrate；
5, defat and sintering:
5.1, by the embedment of core base substrate equipped with, in the crucible of alumina packing, putting in Muffle furnace and heat successively to 200 DEG C of insulation 4h with the heating rate of 2 DEG C/min, heating to 300 DEG C of insulation 3h, heating is incubated 3h to 400 DEG C, and heating is incubated 3h to 500 DEG C；
5.2, it is continuously heating to 800 DEG C of insulation 2h with the heating rate of 5 DEG C/min, cools to room temperature afterwards with the furnace；
6, from buried powder, take out the core after oversintering, and clear up surface with hairbrush, the core after cleaning is put in Muffle furnace and be warming up to 820 DEG C of insulation 1h with the heating rate of 10 DEG C/min, cool to room temperature afterwards with the furnace, the core sample after being sintered。
The preparation method of Water-soluble ceramic core as described above, it is characterised in that: Water-soluble ceramic core is carried out water repellent treatment, specifically comprises the following steps that
1, preparation organic solution: the phenolic resin organic solution that preparation is solvent with acetone, the mass fraction of resin is 30%；
2, surface size: the core after double sintering is immersed 5min in organic solution；
3, solidifying: taken out by the core base substrate after starching, put into 100 DEG C of baking oven heating 2h and solidify, then furnace cooling, the core sample strength obtained is high, easily preserve。
Claims (3)
1. a Water-soluble ceramic core material, it is characterised in that: it is by high temperature ceramic material, water-soluble inorganic salt and metal-oxide, and at least one amorphous ceramic material composition；Mass fraction shared by water-soluble inorganic salt is 10%～50%；Mass fraction shared by water soluble metal oxide is 2%～50%；Mass fraction shared by amorphous ceramic material is 0.1%～30%；Surplus is high temperature ceramic material；Described high temperature ceramic material includes the mixture of aluminium oxide, silicon oxide, zirconium oxide, magnesium oxide, zinc oxide, spinelle, mullite, zircon, wollastonite, aluminium nitride, silicon nitride one of them or different materials, and the powder size of high temperature ceramic material is 50 order～8000 orders；Described water-soluble inorganic salt is sodium chloride, potassium chloride, potassium carbonate, sodium carbonate, calcium chloride, magnesium chloride, sodium sulfate, magnesium sulfate；Described water soluble metal oxide is calcium oxide；Described amorphous ceramic material includes the mixture of amorphous silicon oxide, montmorillonite or kieselguhr one of them or different materials, and the powder size of amorphous ceramic material is 50 order～8000 orders。
2. the preparation method of Water-soluble ceramic core as claimed in claim 1, it is characterised in that: the step of preparation is as follows:
2.1, pretreatment of raw material:
2.1.1, by high temperature ceramic material put into and Muffle furnace is heated to 800 DEG C～1000 DEG C, be incubated 2h～5h；
2.1.2, by water-soluble inorganic salt ball milling 1h～5h when rotating speed 300r/min～600r/min, the powder after by 120 eye mesh screens is chosen；
2.1.3, by water soluble metal oxide put in mortar and grind, choose the powder after by 120 eye mesh screens, put into and Muffle furnace is heated to 800 DEG C～1000 DEG C, be incubated 1h～5h；
2.1.4, by amorphous ceramic material put into and Muffle furnace is heated to 500 DEG C～800 DEG C, be incubated 2h～5h；
2.2, raw material weighing: weigh pretreated high temperature ceramic material, water-soluble inorganic salt, water soluble metal oxide and amorphous ceramic material in proportion；
2.3, batch mixing:
2.3.1, will weigh pretreated high temperature ceramic material in proportion, water-soluble inorganic salt, water soluble metal oxide, amorphous ceramic material put into ball mill, and put into expansible graphite, the mass fraction of expansible graphite is the 0.005%～0.05% of above-mentioned raw materials solid powder mixture, and the particle diameter of expansible graphite is 100 order～200 orders；When rotating speed 200r/min～400r/min, ball milling 1h～5h is until Homogeneous phase mixing, obtains solid powder mixture；
2.3.2, preparation plasticizer: plasticizer is made up of paraffin, Cera Flava, polyethylene and stearic acid, and its mass fraction ratio is for 88:5:2:5；Load weighted paraffin is put into oil bath pan 80 DEG C of fusings, be subsequently adding load weighted polyethylene 120 DEG C of mechanical agitation to being completely dissolved, be sequentially added into load weighted Cera Flava and stearic acid subsequently, stir 5min～10min；
2.3.3, adding in melted plasticizer by solid powder mixture, the slurry that mechanical agitation 1h～8h is uniformly mixed under 120 DEG C of temperature conditions, the mass fraction that wherein plasticizer is shared in the slurry is 10%～30%；
2.4, core moulding:
2.4.1, the mould after cleaning is put into 20 DEG C～30 DEG C heating 0.5h～2h in baking oven；
2.4.2, by wax injector by injection-compression molding in slurry press-in die, pressure is 0.2MPa～1MPa, and die sinking obtains core base substrate；
2.5, defat and sintering:
2.5.1, core base substrate is imbedded equipped with in the crucible of alumina packing, put in Muffle furnace and heat successively to 200 DEG C of insulation 1h～5h with the heating rate of 1 DEG C/min～5 DEG C/min, heating to 300 DEG C of insulation 1h～5h, heat to 400 DEG C of insulation 1h～5h, heating is incubated 1h～5h to 500 DEG C；
2.5.2, with the heating rate of 1 DEG C/min～10 DEG C/min it is continuously heating to 700 DEG C～900 DEG C insulation 1h～3h, cools to room temperature afterwards with the furnace；
2.6, double sintering: take out the core after oversintering from buried powder, and clear up surface with hairbrush, core after cleaning is put in Muffle furnace and be warming up to 750 DEG C～950 DEG C insulation 0.5h～2h with the heating rate of 5 DEG C/min～10 DEG C/min, cool to room temperature afterwards with the furnace。
3. the preparation method of Water-soluble ceramic core as claimed in claim 2, it is characterised in that: Water-soluble ceramic core is carried out water repellent treatment, specifically comprises the following steps that
3.1, preparation organic solution: prepare with acetone be solvent epoxy resin or phenolic resin organic solution, the mass fraction of resin is 10%～50%；
3.2, surface size: the core after double sintering is immersed 1min～5min in the organic solution prepared；
3.3, solidify: the core base substrate after starching is taken out, put into 60 DEG C～200 DEG C of baking oven heating 0.1h～1h and solidify, then furnace cooling。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610075261.9A CN105693254B (en) | 2016-02-03 | 2016-02-03 | A kind of Water-soluble ceramic core material and the method for preparing Water-soluble ceramic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610075261.9A CN105693254B (en) | 2016-02-03 | 2016-02-03 | A kind of Water-soluble ceramic core material and the method for preparing Water-soluble ceramic core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105693254A true CN105693254A (en) | 2016-06-22 |
| CN105693254B CN105693254B (en) | 2018-03-09 |
Family
ID=56230226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610075261.9A Active CN105693254B (en) | 2016-02-03 | 2016-02-03 | A kind of Water-soluble ceramic core material and the method for preparing Water-soluble ceramic core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105693254B (en) |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542825A (en) * | 2016-10-28 | 2017-03-29 | 乐山凯亚达光电科技有限公司 | A kind of semiconductor ceramic material |
| CN106830884A (en) * | 2016-12-21 | 2017-06-13 | 周易 | A kind of oxidation resistance ceramics and preparation method thereof |
| CN106927798A (en) * | 2017-03-23 | 2017-07-07 | 兴化市兴东铸钢有限公司 | A kind of Water-soluble ceramic core and preparation method thereof |
| CN106966755A (en) * | 2017-03-23 | 2017-07-21 | 兴化市兴东铸钢有限公司 | A kind of high porosity Water-soluble ceramic core and preparation method thereof |
| CN106977133A (en) * | 2017-03-02 | 2017-07-25 | 佛山市锋东复合材料有限公司 | A kind of ceramic core and its preparation method and application |
| CN107042309A (en) * | 2017-03-07 | 2017-08-15 | 长沙理工大学 | A kind of water-soluble core part and preparation method thereof |
| CN107056246A (en) * | 2016-12-21 | 2017-08-18 | 周易 | A kind of high temperature ceramic material and preparation method thereof |
| CN107056247A (en) * | 2016-12-21 | 2017-08-18 | 周易 | A kind of high tenacity ceramic material and preparation method thereof |
| CN107199389A (en) * | 2017-06-12 | 2017-09-26 | 中国航发哈尔滨东安发动机有限公司 | One kind realizes Mg alloy castings oil circuit repair method by Water-soluble ceramic |
| CN107262661A (en) * | 2017-05-23 | 2017-10-20 | 厦门建霖工业有限公司 | A kind of high temperature resistance and high strength water-soluble core and preparation method thereof |
| CN107473751A (en) * | 2017-07-27 | 2017-12-15 | 佛山市非特新材料有限公司 | A kind of preparation method of two-part sintering ceramic mold core |
| CN107812893A (en) * | 2017-10-18 | 2018-03-20 | 张国栋 | One kind casting cast salt core and preparation method thereof |
| CN108251098A (en) * | 2018-04-20 | 2018-07-06 | 石梦成 | A kind of porous petroleum fracturing propping agent of low cost and preparation method thereof |
| CN108947499A (en) * | 2018-08-10 | 2018-12-07 | 河北钢研德凯科技有限公司 | The preparation method and ceramic core of ceramic core |
| CN109550904A (en) * | 2019-01-03 | 2019-04-02 | 安徽应流久源核能新材料科技有限公司 | It is a kind of using powder as Water-soluble ceramic core of raw material and preparation method thereof |
| CN109678535A (en) * | 2019-01-03 | 2019-04-26 | 安徽应流久源核能新材料科技有限公司 | It is a kind of using powder as Water-soluble ceramic core of raw material and preparation method thereof |
| CN110315023A (en) * | 2019-06-21 | 2019-10-11 | 杨红 | A kind of preparation method of the high-intensitive Water Soluble Compound salt core of casting |
| CN111940684A (en) * | 2020-07-21 | 2020-11-17 | 中国第一汽车股份有限公司 | Water-soluble composite salt core for high-pressure casting |
| CN112459916A (en) * | 2020-10-30 | 2021-03-09 | 滨州渤海活塞有限公司 | Conformal soluble prefabricated part for piston of internal combustion engine and manufacturing method of piston |
| CN112775397A (en) * | 2020-12-25 | 2021-05-11 | 滨州市正道机械制造有限公司 | Salt core manufacturing process |
| CN114085087A (en) * | 2021-12-03 | 2022-02-25 | 安徽应流航源动力科技有限公司 | Combined filler for sintering ceramic core and application method |
| CN114850412A (en) * | 2022-04-26 | 2022-08-05 | 东南大学 | Hot-die-casting water-soluble ceramic core for light alloy investment casting and preparation method thereof |
| CN115321826A (en) * | 2021-05-10 | 2022-11-11 | 中国科学院上海硅酸盐研究所 | Water-soluble microcrystalline glass-based mold core and preparation method thereof |
| CN115710119A (en) * | 2022-11-29 | 2023-02-24 | 湖南圣瓷新材料有限公司 | Preparation method of ceramic arm based on water-based injection molding process |
| CN116120038A (en) * | 2023-02-08 | 2023-05-16 | 上海市固体废物处置有限公司 | Water-soluble mold core and preparation method thereof |
| CN116496100A (en) * | 2023-04-18 | 2023-07-28 | 东南大学 | Hollow magnesium-based ceramic core and preparation method and application thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019611A (en) * | 2019-12-17 | 2020-04-17 | 安徽旭通网络科技有限公司 | Preparation method of building energy-saving ceramic-based composite heat storage material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6024787A (en) * | 1998-06-05 | 2000-02-15 | Industrial Technology Research Institute | Water soluble ceramic core for use in die casting, gravity and investment casting of aluminum alloys |
| CN1793033A (en) * | 2005-11-29 | 2006-06-28 | 辽宁省轻工科学研究院 | Ceramic core material for precision casting of Titanium alloy |
| CN101869963A (en) * | 2010-07-06 | 2010-10-27 | 湖南江滨机器（集团）有限责任公司 | Foundry water-soluble composite salt core material, salt core preparation method and prepared salt core |
| CN102786295A (en) * | 2012-08-06 | 2012-11-21 | 江苏大学 | Water-soluble ceramic core and preparation method thereof |
| CN104128556A (en) * | 2014-05-24 | 2014-11-05 | 芜湖浙鑫新能源有限公司 | Easily removable and collapsible inorganic ceramic core |
| CN104493081A (en) * | 2014-12-09 | 2015-04-08 | 南京航空航天大学 | Wax injection mold for investment casting of hollow turbine blades and method for rapidly manufacturing wax injection mold |
-
2016
- 2016-02-03 CN CN201610075261.9A patent/CN105693254B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6024787A (en) * | 1998-06-05 | 2000-02-15 | Industrial Technology Research Institute | Water soluble ceramic core for use in die casting, gravity and investment casting of aluminum alloys |
| CN1793033A (en) * | 2005-11-29 | 2006-06-28 | 辽宁省轻工科学研究院 | Ceramic core material for precision casting of Titanium alloy |
| CN101869963A (en) * | 2010-07-06 | 2010-10-27 | 湖南江滨机器（集团）有限责任公司 | Foundry water-soluble composite salt core material, salt core preparation method and prepared salt core |
| CN102786295A (en) * | 2012-08-06 | 2012-11-21 | 江苏大学 | Water-soluble ceramic core and preparation method thereof |
| CN104128556A (en) * | 2014-05-24 | 2014-11-05 | 芜湖浙鑫新能源有限公司 | Easily removable and collapsible inorganic ceramic core |
| CN104493081A (en) * | 2014-12-09 | 2015-04-08 | 南京航空航天大学 | Wax injection mold for investment casting of hollow turbine blades and method for rapidly manufacturing wax injection mold |
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542825A (en) * | 2016-10-28 | 2017-03-29 | 乐山凯亚达光电科技有限公司 | A kind of semiconductor ceramic material |
| CN106830884A (en) * | 2016-12-21 | 2017-06-13 | 周易 | A kind of oxidation resistance ceramics and preparation method thereof |
| CN107056246A (en) * | 2016-12-21 | 2017-08-18 | 周易 | A kind of high temperature ceramic material and preparation method thereof |
| CN107056247A (en) * | 2016-12-21 | 2017-08-18 | 周易 | A kind of high tenacity ceramic material and preparation method thereof |
| CN106977133A (en) * | 2017-03-02 | 2017-07-25 | 佛山市锋东复合材料有限公司 | A kind of ceramic core and its preparation method and application |
| CN106977133B (en) * | 2017-03-02 | 2021-04-23 | 佛山市恒之芯复合材料有限公司 | Ceramic core and preparation method and application thereof |
| CN107042309B (en) * | 2017-03-07 | 2019-12-20 | 长沙理工大学 | Water-soluble mold core part and preparation method thereof |
| CN107042309A (en) * | 2017-03-07 | 2017-08-15 | 长沙理工大学 | A kind of water-soluble core part and preparation method thereof |
| CN106927798A (en) * | 2017-03-23 | 2017-07-07 | 兴化市兴东铸钢有限公司 | A kind of Water-soluble ceramic core and preparation method thereof |
| CN106966755A (en) * | 2017-03-23 | 2017-07-21 | 兴化市兴东铸钢有限公司 | A kind of high porosity Water-soluble ceramic core and preparation method thereof |
| CN106927798B (en) * | 2017-03-23 | 2020-10-09 | 兴化市兴东铸钢有限公司 | Water-soluble ceramic core and preparation method thereof |
| CN106966755B (en) * | 2017-03-23 | 2020-10-09 | 兴化市兴东铸钢有限公司 | High-porosity water-soluble ceramic core and preparation method thereof |
| CN107262661A (en) * | 2017-05-23 | 2017-10-20 | 厦门建霖工业有限公司 | A kind of high temperature resistance and high strength water-soluble core and preparation method thereof |
| CN107199389A (en) * | 2017-06-12 | 2017-09-26 | 中国航发哈尔滨东安发动机有限公司 | One kind realizes Mg alloy castings oil circuit repair method by Water-soluble ceramic |
| CN107473751B (en) * | 2017-07-27 | 2019-10-25 | 佛山市非特新材料有限公司 | A kind of production method of two-part sintering ceramic mold core |
| CN107473751A (en) * | 2017-07-27 | 2017-12-15 | 佛山市非特新材料有限公司 | A kind of preparation method of two-part sintering ceramic mold core |
| CN107812893A (en) * | 2017-10-18 | 2018-03-20 | 张国栋 | One kind casting cast salt core and preparation method thereof |
| CN108251098A (en) * | 2018-04-20 | 2018-07-06 | 石梦成 | A kind of porous petroleum fracturing propping agent of low cost and preparation method thereof |
| CN108947499A (en) * | 2018-08-10 | 2018-12-07 | 河北钢研德凯科技有限公司 | The preparation method and ceramic core of ceramic core |
| CN109550904A (en) * | 2019-01-03 | 2019-04-02 | 安徽应流久源核能新材料科技有限公司 | It is a kind of using powder as Water-soluble ceramic core of raw material and preparation method thereof |
| CN109678535A (en) * | 2019-01-03 | 2019-04-26 | 安徽应流久源核能新材料科技有限公司 | It is a kind of using powder as Water-soluble ceramic core of raw material and preparation method thereof |
| CN110315023A (en) * | 2019-06-21 | 2019-10-11 | 杨红 | A kind of preparation method of the high-intensitive Water Soluble Compound salt core of casting |
| CN111940684A (en) * | 2020-07-21 | 2020-11-17 | 中国第一汽车股份有限公司 | Water-soluble composite salt core for high-pressure casting |
| CN112459916B (en) * | 2020-10-30 | 2022-03-04 | 滨州渤海活塞有限公司 | Conformal soluble prefabricated part for piston of internal combustion engine and manufacturing method of piston |
| CN112459916A (en) * | 2020-10-30 | 2021-03-09 | 滨州渤海活塞有限公司 | Conformal soluble prefabricated part for piston of internal combustion engine and manufacturing method of piston |
| CN112775397A (en) * | 2020-12-25 | 2021-05-11 | 滨州市正道机械制造有限公司 | Salt core manufacturing process |
| CN115321826A (en) * | 2021-05-10 | 2022-11-11 | 中国科学院上海硅酸盐研究所 | Water-soluble microcrystalline glass-based mold core and preparation method thereof |
| CN115321826B (en) * | 2021-05-10 | 2024-04-12 | 中国科学院上海硅酸盐研究所 | Water-soluble glass ceramic-based core and preparation method thereof |
| CN114085087A (en) * | 2021-12-03 | 2022-02-25 | 安徽应流航源动力科技有限公司 | Combined filler for sintering ceramic core and application method |
| CN114085087B (en) * | 2021-12-03 | 2022-11-18 | 安徽应流航源动力科技有限公司 | Combined filler for sintering ceramic core and application method |
| CN114850412A (en) * | 2022-04-26 | 2022-08-05 | 东南大学 | Hot-die-casting water-soluble ceramic core for light alloy investment casting and preparation method thereof |
| CN115710119A (en) * | 2022-11-29 | 2023-02-24 | 湖南圣瓷新材料有限公司 | Preparation method of ceramic arm based on water-based injection molding process |
| CN115710119B (en) * | 2022-11-29 | 2023-10-31 | 湖南圣瓷新材料有限公司 | Preparation method of ceramic arm based on water-based injection molding process |
| CN116120038A (en) * | 2023-02-08 | 2023-05-16 | 上海市固体废物处置有限公司 | Water-soluble mold core and preparation method thereof |
| CN116120038B (en) * | 2023-02-08 | 2024-04-09 | 上海市固体废物处置有限公司 | Water-soluble mold core and preparation method thereof |
| CN116496100A (en) * | 2023-04-18 | 2023-07-28 | 东南大学 | Hollow magnesium-based ceramic core and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105693254B (en) | 2018-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105693254A (en) | Water-soluble ceramic core material and preparation method thereof | |
| EP0661246B1 (en) | Process for preparing refractory molded articles and binders therefor | |
| CN104119095B (en) | A kind of sintering metal composite product and preparation method thereof | |
| CN108941460B (en) | Composite casting mold for casting high-performance aluminum alloy | |
| CN103846409B (en) | A kind of preparation method of the fibre reinforced composites piston peculiar to vessel with cooling oil chamber | |
| US20150168069A1 (en) | Crucible and extrinsic facecoat compositions and methods for melting titanium and titanium aluminide alloys | |
| CN102861873A (en) | Casting method of gear | |
| CN101658918A (en) | Water glass type magnesium alloy fusible pattern casting process | |
| CN102921885A (en) | Sand casting technology for titanium, zirconium and nickel and alloy casting thereof | |
| CN103146962A (en) | High-performance die-casting aluminum alloy for automotive body and preparation method thereof | |
| CN101947648B (en) | Method for producing large zirconium and zirconium alloy casting | |
| CN104028722A (en) | Zinc alloy casting technology | |
| CN102873267A (en) | Alcohol-based paint for sand casting and preparation method thereof | |
| CN107032771A (en) | A kind of manufacture method of quartz ceramic crucible | |
| CN104073673A (en) | Preparation method of ceramic reinforced metal-based composite material | |
| CN109822077B (en) | SiC prepared by extrusion infiltration method3DMethod for preparing/Al composite material | |
| CN111203514A (en) | Precision casting method for high-temperature alloy complex thin-wall casting | |
| CN102071344B (en) | Preparation method for refined magnesium alloy solidification tissue | |
| CN101786891A (en) | Air-set mold bulk material for continuous casting tundish and preparation method thereof | |
| CN102688988A (en) | Micro-investment casting forming method for complex micro-component | |
| CN106119631B (en) | Auto parts and components outer housing die casting die material and its processing method | |
| CN113245509A (en) | Near-net forming method for titanium alloy faucet blank | |
| CN1562522A (en) | Manufacturing technique for precision investment casting die body made from magnesium alloy | |
| CN105950929A (en) | Hypereutectic Al-Si alloy and magnesium alloy composite engine cylinder and casting method thereof | |
| CN108580850A (en) | AlTi compound casting preparation methods |
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 |