CN107457890A - A kind of ceramics note solidification forming method, mould and ceramic body - Google Patents
A kind of ceramics note solidification forming method, mould and ceramic body Download PDFInfo
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- CN107457890A CN107457890A CN201710555437.5A CN201710555437A CN107457890A CN 107457890 A CN107457890 A CN 107457890A CN 201710555437 A CN201710555437 A CN 201710555437A CN 107457890 A CN107457890 A CN 107457890A
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- CN
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- Prior art keywords
- solidification forming
- note solidification
- ceramics
- forming method
- ceramic body
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
-
- 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
- C04B35/62645—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
- 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
- C04B2235/6023—Gel casting
-
- 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
Abstract
The invention discloses a kind of ceramics note solidification forming method, mould and ceramic body, solves the problems, such as existing ceramic gel-casting technology mold materials precision difference and demolding performace difference.A kind of ceramics note solidification forming method, including：Metal die is put into drying box and heated；Chinese wax is coated uniformly on metal die surface, and cold curing, obtains ceramics note solidification forming mould；Ceramic slurry is filled in ceramics note solidification forming mould, curing molding；The ceramic slurry of curing molding is subjected to demoulding processing, obtains ceramic body；Ceramic body is sintered, obtains ceramic body.A kind of ceramics note solidification forming mould, comprising metal die and Chinese wax coating, Chinese wax coating is used to be coated uniformly on metal die surface, and passes through cold curing, obtains the ceramics note solidification forming mould.A kind of ceramics note solidification forming ceramic body, it is made up of the note solidification forming method.The ceramics note solidification forming mould that the present invention realizes has good hydrophobicity, easy mold release and easy processing.
Description
Technical field
The present invention relates to ceramic forming field, more particularly to a kind of ceramics note solidification forming method, mould and ceramic body.
Background technology
It is a kind of important shaping method of ceramics to note solidification forming, is widely used, and note solidification forming is by traditional ceramic process
Organically combined with polymer chemistry, high polymer monomer polymerization is flexibly applied in ceramic molding, it is low by preparing
Viscosity, the ceramic slurry of high solid loading realize the shaping of dead size, high intensity, highdensity ceramic body.The technique
General principle is to add organic monomer in the ceramic slurry of low viscosity high solid loading, in the effect of catalyst and initiator
Under, the organic monomer in slurry is cross-linked into tridimensional network, so that ceramic slurry in-situ solidifying is molded, then carry out again
The demoulding, dry, remove the techniques such as organic matter, sintering, you can obtaining required ceramic part.Current ceramic gel-casting technology is adopted
Mold materials are glass mold or metal die, are the precision system for being not easy to carry out complicated shape using the shortcomings that glass mold
Make, be that metal die easily sticks together with dry base substrate using the shortcomings that metal die, influence the drying and the demoulding of base substrate
Performance.
The content of the invention
The present invention provides a kind of ceramics note solidification forming method, mould and ceramic body, solves existing ceramic gel-casting technology
The problem of mold materials precision difference and demolding performace difference.
The embodiment of the present invention provides a kind of ceramics note solidification forming method, comprises the following steps：Metal die is put into drying
Heated in case；Chinese wax is coated uniformly on the metal die surface, and cold curing, obtains ceramics note solidification forming mould；Will
Ceramic slurry is filled in the ceramics note solidification forming mould, curing molding；The ceramic slurry of the curing molding is stripped
Processing, obtains ceramic body；The ceramic body is sintered, obtains ceramic body.
Preferably, the metal die is stainless steel mould.
Preferably, the fusing point of the Chinese wax is between 55 degrees Celsius and 65 degrees Celsius.
Further, the ceramic slurry is：Resin is dissolved in the distilled water added with dispersant, forms the aqueous solution；Will
Ceramic powder and aqueous solution mixing, add triggering agent, form ceramic slurry.
Preferably, described metal die is put into drying box is heated, and is heated to 80 degrees Celsius of temperature.
Further, the step of curing molding is carried out under 70 degrees celsius.
Preferably, the step of demoulding processing, is further included：The ceramic slurry of the curing molding is Celsius 40
It is dried under the conditions of degree；With 1 DEG C/minute of programming rate, 600 DEG C are risen to, is incubated 4 hours.
Preferably, the step of sintering processes, further include：By the ceramic body with 5 DEG C/minute of heating speed
Degree, rises to 1600 DEG C, then be incubated 2 hours.
The embodiment of the present invention also provides a kind of ceramics note solidification forming mould, comprising metal die and Chinese wax layer, the Chinese wax
Layer is coated uniformly on the metal die surface, and passes through cold curing, and the metal die is stainless steel mould, the Chinese wax
Fusing point between 55 degrees Celsius and 65 degrees Celsius.
The embodiment of the present invention also provides a kind of ceramic body, and noting solidification forming method using the ceramics is made.
Beneficial effect of the present invention includes：A kind of ceramics note solidification forming method of the invention proposes congeals into pattern based on ceramics note
The ceramic body preparation method of tool, ceramics note solidification forming mould proposed by the present invention provide a kind of non-permeable mold materials, had
There is the advantages of good hydrophobicity, easy mold release and easy processing, solve existing mold material precision difference and demolding performace is poor
The problem of.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 notes solidification forming method flow embodiment for a kind of ceramics；
Fig. 2 is a kind of ceramics note solidification forming method flow embodiment comprising ceramic slurry preparation method；
Fig. 3 is a kind of ceramics note solidification forming method flow embodiment comprising ceramic body preparation method；
Fig. 4 is ceramic casting molding technique flow embodiment；
Fig. 5 is ceramics note solidification forming die device embodiment；
Fig. 6 is the device embodiment of ceramics note solidification forming process.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the present invention one
Section Example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of protection of the invention.
Note solidification forming be a kind of important shaping method of ceramics, application is extremely wide, available for a variety of ceramic materials into
Type, the ceramic implement that every complex-shaped, irregular, thin-walled, large volume and size require not tight can use note solidification forming
Technology, relative to injection forming, the ceramic component for noting solidification forming forms evenly, and intensity is higher.
Below in conjunction with accompanying drawing, the technical scheme that various embodiments of the present invention provide is described in detail.
Fig. 1 notes solidification forming method flow embodiment for a kind of ceramics.
The embodiment of the present invention provides a kind of ceramics note solidification forming method, comprises the following steps：
Step 101, metal die is put into drying box and heated.
In a step 101, suitable metal die is selected, the metal die is the stainless steel mould for being not easy to be corroded.
In a step 101, described metal die is put into drying box is heated, and is heated to 80 degrees Celsius of temperature.
Step 102, Chinese wax is coated uniformly on the metal die surface, and cold curing, obtains ceramics note solidification forming
Mould.
In a step 102, the fusing point of the Chinese wax is between 55 degrees Celsius and 65 degrees Celsius, preferably 60 degrees Celsius.
It should be noted that the Chinese wax answers metal die surface described in uniform fold.
Step 105, ceramic slurry is filled in the ceramics note solidification forming mould, curing molding.
In step 105, it is described to fill ceramic slurry in the ceramics note solidification forming mould, be the step of curing molding
Carried out under 70 degrees celsius, so as to the organic monomer crosslinking in the ceramic slurry, form three-dimensional net structure.
Step 106, the ceramic slurry of the curing molding is subjected to demoulding processing, obtains ceramic body.
Step 107, the ceramic body is sintered, obtains ceramic body.
Ceramics note solidification forming mould provided in an embodiment of the present invention has good hydrophobicity, easy mold release and easy processing
Advantage.
Fig. 2 is a kind of ceramics note solidification forming method flow embodiment comprising ceramic slurry preparation method.
The embodiment of the present invention provides a kind of ceramics note solidification forming method, comprises the following steps：
Step 101, metal die is put into drying box and heated.
Step 103, Chinese wax is coated uniformly on the metal die surface, and cold curing, obtains ceramics note solidification forming
Mould.
Step 103, resin is dissolved in the distilled water added with dispersant, forms the aqueous solution.
In step 103, the resin and the dispersant are Organic chemical solvents, the resin and the dispersant
Certain ratio is accounted in the aqueous solution, for example, the resin is ethylene glycol diglycidylether (EGDE), the dispersant
For ammonium polyacrylate, the content of the resin is fixed as 20%, and the concentration of the dispersant is 0.1%~0.5%.
Step 104, ceramic powder and the aqueous solution are mixed, and adds triggering agent, form ceramic slurry.
At step 104, the ceramic powder is the pulverulent material for producing ceramic body, can be alumina powder, also may be used
Think other pulverulent materials, by taking alumina powder as an example, it is 0.8 μm that can select particle diameter, specific surface area 8.32m2/ g α
Alumina balls are raw material, by the alumina balls on ball mill with 1000 revs/min of speed, described in ball milling is formed for 24 hours
Ceramic powder.
It should be noted that the triggering agent is Organic chemical solvents, the amount of the triggering agent and the resin is fixed on
A certain ratio value, the embodiment of the present invention are the triggering agent, the triggering agent of selection and the ratio of resin from 3- diaminourea di-n-propylamine
Example is 0.23:1, other Organic chemical solvents also can be selected as triggering agent, be not specifically limited here.
At step 104, the solution added after triggering agent obtains the ceramic slurry, vacuum after vacuum suction
The time of pumping is 1~10 minute.
Step 105, ceramic slurry is filled in the ceramics note solidification forming mould, curing molding.
Step 106, the ceramic slurry of the curing molding is subjected to demoulding processing, obtains ceramic body.
Step 109, the ceramic body is sintered, obtains ceramic body.
Fig. 3 is a kind of ceramics note solidification forming method flow embodiment comprising ceramic body preparation method.
The embodiment of the present invention provides a kind of ceramics note solidification forming method, comprises the following steps：
Step 101, metal die is put into drying box and heated.
Step 102, Chinese wax is coated uniformly on the metal die surface, and cold curing, obtains ceramics note solidification forming
Mould.
Step 103, resin is dissolved in the distilled water added with dispersant, forms the aqueous solution.
Step 104, ceramic powder and the aqueous solution are mixed, and adds triggering agent, form ceramic slurry.
Step 105, ceramic slurry is filled in the ceramics note solidification forming mould, curing molding.
Step 107, the ceramic slurry of the curing molding is dried under 40 degrees celsius.
Step 108, by the complete base substrate of drying, with 1 DEG C/minute of programming rate, 600 DEG C is risen to, is incubated 4 hours, excludes base
Organic matter in body, obtain the ceramic body.
Step 109, the ceramic body is sintered, obtains ceramic body.
In step 109, the ceramic body is sintered, the step of obtaining ceramic body, further included, will
The ceramic body rises to 1600 DEG C with 5 DEG C/minute of programming rate, and is incubated 2 hours, obtains ceramic body.
Fig. 4 is ceramic casting molding technique flow embodiment.
Resin is dissolved in the distilled water added with dispersant, forms the aqueous solution, ceramic powder and the aqueous solution are mixed, and
Triggering agent is added, forms ceramic slurry, ceramic slurry is filled in the ceramics note solidification forming mould, gel solidification shaping,
The ceramic slurry of the curing molding is dried under 40 degrees celsius, by the complete base substrate of drying, with 1 DEG C/minute of heating
Speed, 600 DEG C are risen to, be incubated 4 hours, excluded the organic matter in base substrate, obtain the ceramic body.
The ceramic powder is that ceramic body raw material passes through the dusty material that powdered obtains, for example, using particle diameter as 0.8
μm, specific surface area 8.32m2/ g alpha-aluminium oxide ball is raw material, by the alumina balls on ball mill with 50 revs/min
Speed, ball milling form the ceramic powder in 24 hours.
The resin, the dispersant and the triggering agent are Organic chemical solvents, the resin and the dispersant
Certain ratio is accounted in the aqueous solution, for example, the resin is ethylene glycol diglycidylether (EGDE), the dispersant
For ammonium polyacrylate, the content of the resin is fixed as 20%, and the concentration of the dispersant is 0.1%~0.5%, the triggering
Agent is 3- diaminourea di-n-propylamines, and the ratio of the triggering agent and the resin is 0.23:1.
Fig. 5 is ceramics note solidification forming die device embodiment.
As a kind of embodiment of ceramics note solidification forming mould, comprising metal die 1, Chinese wax coating 2, the Chinese wax coating
For being coated uniformly on the metal die surface, and pass through cold curing, obtain the ceramics note solidification forming mould.
The ceramics note solidification forming mould that the embodiment of the present invention obtains has good hydrophobicity, easy mold release and Yi Jia
The advantages of work, solve the problems, such as existing ceramics note solidification forming mould precision difference and demolding performace difference.
Fig. 6 is the device embodiment of ceramics note solidification forming process.
As a kind of embodiment of ceramics note solidification forming ceramic body, ceramics note solidification forming mould 3, ceramic slurry 4, institute are included
State ceramic slurry to be used to fill the ceramic die, and curing molding and demoulding processing, form ceramic body；The ceramic body
For being sintered, the ceramic body is obtained.
A kind of ceramics note solidification forming method, comprises the following steps：Metal die is put into drying box and heated；Chinese wax is equal
It is even to be coated in the metal die surface, and cold curing, obtain ceramics note solidification forming mould；Ceramic slurry is filled into the pottery
In porcelain note solidification forming mould, curing molding；The ceramic slurry of the curing molding is subjected to demoulding processing, obtains ceramic body；
The ceramic body is sintered, obtains ceramic body.
A kind of ceramic body is also claimed in the application, is congealed into using ceramics note described in present specification any one embodiment
Type method is made.
The ceramic body that the embodiment of the present invention obtains has precision height, complex-shaped, irregular advantage, available for precision
The ceramic part that degree requires high makes.
It should be noted that temperature value involved in the application, relative tolerance scope is ± 1%.
It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability
Comprising so that process, method, commodity or equipment including a series of elements not only include those key elements, but also wrapping
Include the other element being not expressly set out, or also include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that wanted including described
Other identical element also be present in the process of element, method, commodity or equipment.
Embodiments of the invention are the foregoing is only, are not intended to limit the invention.For those skilled in the art
For, the present invention can have various modifications and variations.All any modifications made within spirit and principles of the present invention, it is equal
Replace, improve etc., it should be included within scope of the presently claimed invention.
Claims (10)
- A kind of 1. ceramics note solidification forming method, it is characterised in that comprise the following steps：Metal die is put into drying box and heated；Chinese wax is coated uniformly on the metal die surface, and cold curing, obtains ceramics note solidification forming mould；Ceramic slurry is filled in the ceramics note solidification forming mould, curing molding；The ceramic slurry of the curing molding is subjected to demoulding processing, obtains ceramic body；The ceramic body is sintered, obtains ceramic body.
- 2. ceramics note solidification forming method as claimed in claim 1, it is characterised in that the metal die is stainless steel mould.
- 3. ceramics note solidification forming method as claimed in claim 1, it is characterised in that the fusing point of the Chinese wax at 55 degrees Celsius and Between 65 degrees Celsius.
- 4. ceramics note solidification forming method as claimed in claim 1, it is characterised in that the ceramic slurry is：Resin is dissolved in the distilled water added with dispersant, forms the aqueous solution；Ceramic powder and the aqueous solution are mixed, add triggering agent, forms ceramic slurry.
- 5. ceramics note solidification forming method as claimed in claim 1, it is characterised in that described that metal die is put into drying box Heating, is heated to 80 degrees Celsius of temperature.
- 6. ceramics note solidification forming method as claimed in claim 1, it is characterised in that the step of the curing molding taken the photograph 70 Carried out under the conditions of family name's degree.
- 7. ceramics note solidification forming method as claimed in claim 1, it is characterised in that the step of demoulding is handled, further Comprising：The ceramic slurry of the curing molding is dried under 40 degrees celsius；With 1 DEG C/minute of programming rate, 600 DEG C are risen to, is incubated 4 hours.
- 8. ceramics note solidification forming method as claimed in claim 1, it is characterised in that the step of the sintering processes, further Comprising：By the ceramic body with 5 DEG C/minute of programming rate, 1600 DEG C are risen to, then be incubated 2 hours.
- 9. a kind of ceramics note solidification forming mould, includes metal die and Chinese wax layer, it is characterised in that the Chinese wax layer uniformly coats On the metal die surface, and pass through cold curing, the metal die is stainless steel mould, and the fusing point of the Chinese wax is 55 Degree Celsius and 65 degrees Celsius between.
- 10. a kind of ceramic body, it is characterised in that usage right requires ceramics note solidification forming method system described in 1~8 any one Into.
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| CN201710555437.5A CN107457890A (en) | 2017-07-10 | 2017-07-10 | A kind of ceramics note solidification forming method, mould and ceramic body |
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| CN201710555437.5A CN107457890A (en) | 2017-07-10 | 2017-07-10 | A kind of ceramics note solidification forming method, mould and ceramic body |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098364A (en) * | 1993-08-05 | 1995-02-08 | 杨长青 | The forming method of polyurethane statue and mould and products thereof |
| CN1864961A (en) * | 2006-03-10 | 2006-11-22 | 中国科学院上海硅酸盐研究所 | Method for water-soluble epoxy resin in situ solidification for preparing ceramic blank |
| CN106278210A (en) * | 2016-08-26 | 2017-01-04 | 佛山市高明区明城镇新能源新材料产业技术创新中心 | A kind of preparation method of high-compactness fused quartz ceramic |
-
2017
- 2017-07-10 CN CN201710555437.5A patent/CN107457890A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098364A (en) * | 1993-08-05 | 1995-02-08 | 杨长青 | The forming method of polyurethane statue and mould and products thereof |
| CN1864961A (en) * | 2006-03-10 | 2006-11-22 | 中国科学院上海硅酸盐研究所 | Method for water-soluble epoxy resin in situ solidification for preparing ceramic blank |
| CN106278210A (en) * | 2016-08-26 | 2017-01-04 | 佛山市高明区明城镇新能源新材料产业技术创新中心 | A kind of preparation method of high-compactness fused quartz ceramic |
Non-Patent Citations (2)
| Title |
|---|
| 朱光亚、周光召: "《中国科学技术文库 普通卷 金属学 金属工艺》", 31 January 1998, 科学技术文献出版社 * |
| 王广生: "《石油化工原料与产品安全手册》", 31 August 2010, 中国石化出版社 * |
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Address after: 050091 4th floor, building 4, No. 368, xinshibei Road, Qiaoxi District, Shijiazhuang City, Hebei Province Applicant after: Hebei Sheng Ping Electronic Technology Co., Ltd. Address before: 050091, East fourth floor, building 368, No. four Xinshi North Road, Hebei, Shijiazhuang Applicant before: Hebei Sheng Ping Electronic Technology Co., Ltd. |
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Application publication date: 20171212 |