CN108101521A - A kind of preparation method of ceramic mold - Google Patents
A kind of preparation method of ceramic mold Download PDFInfo
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- CN108101521A CN108101521A CN201711445715.8A CN201711445715A CN108101521A CN 108101521 A CN108101521 A CN 108101521A CN 201711445715 A CN201711445715 A CN 201711445715A CN 108101521 A CN108101521 A CN 108101521A
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- 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
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- 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
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
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- 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
- C04B35/653—Processes involving a melting step
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/428—Silicon
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- 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
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- 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
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- 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
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- 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
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- 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
- C04B2235/658—Atmosphere during thermal treatment
- C04B2235/6581—Total pressure below 1 atmosphere, e.g. vacuum
Abstract
The present invention relates to a kind of preparation methods of ceramic mold, and raw material is proportionally uniformly mixed, and then mixed material is sent into smelting furnace；Melting is carried out at high temperature, forms melt liquid, is kept the temperature 3 4h, is cooled to 400 500 DEG C；The melt liquid of cooling is poured into putamina, then carries out vacuum heating-press sintering, forms required mold.The method of the present invention is easy to operate, easy to implement, improves deficiency existing for existing preparation method, obtains the more excellent more stable ceramic mold of performance.
Description
Technical field
The present invention relates to mold preparing technical field, especially a kind of preparation method of ceramic mold
Background technology
Mold be in industrial production being molded, being blow molded, squeezing out, die casting or the methods of forging forming, smelting, punching press obtain
Required product various moulds and instrument.In brief, mold is the instrument for formed article, mainly molding by institute
The processing for changing to realize article shape of Material Physics state.Mold species is various, and material is also different, and ceramic mold is
One of most common mold, there are still shortcoming, such as toughness are inadequate, and thermal stability is not good enough etc. for existing preparation method.
In view of drawbacks described above, the present inventor is carried based on the experience and professional knowledge of such production manufacture for many years is engaged in
For a kind of preparation method of ceramic mold, this method is simple and practicable, reliable and stable, gained ceramic mold good toughness, thermal stability
And oxidation resistant.
The content of the invention
It is an object of the invention to provide a kind of preparation methods of ceramic mold, and this method is easy to operate, easy to implement, changes
It has been apt to deficiency existing for existing preparation method, has obtained the more excellent more stable ceramic mold of performance.
The object of the invention to solve the technical problems is realized using following technical scheme.It is proposed according to the present invention
A kind of ceramic mold preparation method, comprise the following steps：
(1) raw material is proportionally uniformly mixed, then mixed material is sent into smelting furnace；
(2) melting is carried out at high temperature, forms melt liquid, is kept the temperature 3-4h, is cooled to 400-500 DEG C；
(3) melt liquid of cooling is poured into putamina, then carries out vacuum heating-press sintering, form required mold.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
A kind of preparation method of the preparation method of foregoing ceramic mold, wherein, the temperature of step (2) melting is 1100-
1200 DEG C, 3-4h is kept the temperature at 1140-1160 DEG C.
A kind of preparation method of the preparation method of foregoing ceramic mold, wherein, the temperature of step (3) sintering is 1400-
1500 DEG C, pressure 20-30MPa；Specifically sintering process is：Temperature is risen to 1000 DEG C with the rate of 10 DEG C/min, heat preservation
Then temperature is continued to rise to sintering temperature with the rate of 8 DEG C/min, is sintered by 30min, 1h is kept the temperature at 1450 DEG C, natural
It cools to room temperature.
A kind of preparation method of the preparation method of foregoing ceramic mold, wherein, raw materials used parts by weight are：Oxidation
40-60 parts of aluminium, 20-30 parts of zirconium oxide, 1-5 parts of silica flour, 40-50 parts of land plaster, 70-80 parts of ceramic powder, 10-20 parts of adhesive,
3-8 parts of epoxy resin, 50-60 parts of water.
A kind of preparation method of the preparation method of foregoing ceramic mold, wherein, raw materials used parts by weight are：Oxidation
43-56 parts of aluminium, 25-30 parts of zirconium oxide, 3-5 parts of silica flour, 45-50 parts of land plaster, 72-80 parts of ceramic powder, 10-16 parts of adhesive,
5-8 parts of epoxy resin, 50-60 parts of water.
A kind of preparation method of the preparation method of foregoing ceramic mold, wherein, raw materials used parts by weight are：Oxidation
50 parts of aluminium, 28 parts of zirconium oxide, 4 parts of silica flour, 45 parts of land plaster, 75 parts of ceramic powder, 10 parts of adhesive, 6 parts of epoxy resin, water 55
Part.
The present invention has clear advantage and advantageous effect compared with prior art, by above-mentioned technical proposal, the present invention
A kind of preparation method of ceramic mold can reach comparable technological progress and practicability, and with the extensive exploitation value in industry
Value at least has following advantages：
The method of the present invention is easy to operate, and easy to implement, used materials safety is environment friendly and pollution-free, and at low cost, into
One step reduces production cost, and obtained ceramic mold thermal stability is good, inoxidizability and high abrasion resistance, and toughness is high, performance
Stablize, disclosure satisfy that requirement, it is highly practical.
In conclusion a kind of preparation method of ceramic mold of the present invention technically has significant progress, and with apparent
Good effect, really be a new and innovative, progressive, practical new design.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
It is clearer and more comprehensible, special below to lift preferred embodiment, detailed description are as follows.
Specific embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Preferred embodiment, to according to a kind of preparation method of ceramic mold proposed by the present invention, specific embodiment, structure, feature
And its effect, it is described in detail as after.
The ceramic mold of the present invention is prepared in accordance with the following methods：
(1) by 40-60 parts of raw alumina, 20-30 parts of zirconium oxide, 1-5 parts of silica flour, 40-50 parts of land plaster, ceramic powder
70-80 parts, 10-20 parts of adhesive, 3-8 parts of epoxy resin, 50-60 parts of water is proportionally uniformly mixed, then by mixed material
It is sent into smelting furnace；
(2) melting is carried out at a temperature of 1100-1200 DEG C, melt liquid is formed, 3- is kept the temperature at 1140-1160 DEG C
4h is cooled to 400-500 DEG C；
(3) melt liquid of cooling is poured into putamina, then carries out vacuum heating-press sintering, form required mold；
The temperature of sintering is 1400-1500 DEG C, pressure 20-30MPa.
Specifically sintering process is：Temperature is risen to 1000 DEG C with the rate of 10 DEG C/min, 30min is kept the temperature, then with 8
DEG C/rate of min continues temperature to rise to sintering temperature, it is sintered, keeps the temperature 1h at 1450 DEG C, natural cooling is cooled to room
Temperature.
It is preferred that raw materials used parts by weight are：43-56 parts of aluminium oxide, 25-30 parts of zirconium oxide, 3-5 parts of silica flour, stone
45-50 parts of cream powder, 72-80 parts of ceramic powder, 10-16 parts of adhesive, 5-8 parts of epoxy resin, 50-60 parts of water.
Preferably, raw materials used parts by weight are：50 parts of aluminium oxide, 28 parts of zirconium oxide, 4 parts of silica flour, 45 parts of land plaster,
75 parts of ceramic powder, 10 parts of adhesive, 6 parts of epoxy resin, 55 parts of water.
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention, though
So the present invention is disclosed above with preferred embodiment, however is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, technical spirit according to the invention
To any simple modification, equivalent change and modification that above example is made, in the range of still falling within technical solution of the present invention.
Claims (6)
1. a kind of preparation method of ceramic mold, it is characterised in that it comprises the following steps：
(1) raw material is proportionally uniformly mixed, then mixed material is sent into smelting furnace；
(2) melting is carried out at high temperature, forms melt liquid, is kept the temperature 3-4h, is cooled to 400-500 DEG C；
(3) melt liquid of cooling is poured into putamina, then carries out vacuum heating-press sintering, form required mold.
2. the preparation method of ceramic mold as described in claim 1, it is characterised in that the temperature of step (2) melting is 1100-
1200 DEG C, 3-4h is kept the temperature at 1140-1160 DEG C.
3. the preparation method of ceramic mold as described in claim 1, it is characterised in that the temperature of step (3) sintering is 1400-
1500 DEG C, pressure 20-30MPa；Specifically sintering process is：Temperature is risen to 1000 DEG C with the rate of 10 DEG C/min, heat preservation
Then temperature is continued to rise to sintering temperature with the rate of 8 DEG C/min, is sintered by 30min, 1h is kept the temperature at 1450 DEG C, natural
It cools to room temperature.
4. the preparation method of ceramic mold as described in claim 1, it is characterised in that raw materials used parts by weight are：Oxidation
40-60 parts of aluminium, 20-30 parts of zirconium oxide, 1-5 parts of silica flour, 40-50 parts of land plaster, 70-80 parts of ceramic powder, 10-20 parts of adhesive,
3-8 parts of epoxy resin, 50-60 parts of water.
5. the preparation method of ceramic mold as described in claim 1, it is characterised in that raw materials used parts by weight are：Oxidation
43-56 parts of aluminium, 25-30 parts of zirconium oxide, 3-5 parts of silica flour, 45-50 parts of land plaster, 72-80 parts of ceramic powder, 10-16 parts of adhesive,
5-8 parts of epoxy resin, 50-60 parts of water.
6. the preparation method of ceramic mold as described in claim 1, it is characterised in that raw materials used parts by weight are：Oxidation
50 parts of aluminium, 28 parts of zirconium oxide, 4 parts of silica flour, 45 parts of land plaster, 75 parts of ceramic powder, 10 parts of adhesive, 6 parts of epoxy resin, water 55
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711445715.8A CN108101521A (en) | 2017-12-27 | 2017-12-27 | A kind of preparation method of ceramic mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711445715.8A CN108101521A (en) | 2017-12-27 | 2017-12-27 | A kind of preparation method of ceramic mold |
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| Publication Number | Publication Date |
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| CN108101521A true CN108101521A (en) | 2018-06-01 |
Family
ID=62211985
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711445715.8A Withdrawn CN108101521A (en) | 2017-12-27 | 2017-12-27 | A kind of preparation method of ceramic mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676755A (en) * | 2019-01-23 | 2019-04-26 | 福建振丰矿物新材料有限公司 | A kind of production method of ceramic mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1781927A1 (en) * | 1990-09-17 | 1995-02-27 | Рыбинский Авиационный Технологический Институт | Apparatus for castings directed hardening |
| CN104261804A (en) * | 2014-09-25 | 2015-01-07 | 昆山伯建精密模具有限公司 | Preparation method of ceramic mold |
-
2017
- 2017-12-27 CN CN201711445715.8A patent/CN108101521A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1781927A1 (en) * | 1990-09-17 | 1995-02-27 | Рыбинский Авиационный Технологический Институт | Apparatus for castings directed hardening |
| CN104261804A (en) * | 2014-09-25 | 2015-01-07 | 昆山伯建精密模具有限公司 | Preparation method of ceramic mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676755A (en) * | 2019-01-23 | 2019-04-26 | 福建振丰矿物新材料有限公司 | A kind of production method of ceramic mold |
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Application publication date: 20180601 |