CN107010936B - A kind of heat-resistant high-strength ceramics and its production technology and application - Google Patents
A kind of heat-resistant high-strength ceramics and its production technology and application Download PDFInfo
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Abstract
The invention discloses a kind of heat-resistant high-strength ceramics and its production technology and applications, by using petalite, spodumene, calcium oxide, silica, zirconium diboride, alumina silicate fibre, feldspar, sodium humate, aluminium oxide and clay are raw material, it is aided with polyethylene glycol, carboxymethyl cellulose and PAM are as the compound preparation ceramics of auxiliary material progress, and enable the ceramic material prepared that there is high heat resistance degree and high intensity in conjunction with corresponding production technology, as the production material of craftwork, not only structural strength is reliable for it, the probability that colliding in transportational process can also be avoided to damage and fall during playing damage is greatly reduced.
Description
Technical field
The present invention relates to ceramic field, especially a kind of heat-resistant high-strength ceramics and its production technology and application.
Background technique
Ceramics are just widely used in living or producing before very early as the traditional material with long history
In, but for current ceramic performance, heat resistance and thermal-shock resistance are all poor, and the temperature born is about 400-
600 DEG C, therefore do not notice that controlling technological temperature is easy for that ceramics cracking occurs now slightly in carrying out use process or sintering procedure
As, and cannot keep preferable intensity, therefore typically encounter and collide with just since traditional ceramics brittleness is larger in use
It is easy to cause ceramic rupture.
Summary of the invention
In order to solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of heat resistances high, intensity height and preparation
Convenient heat-resistant high-strength ceramics and its production technology and application.
In order to realize above-mentioned technical purpose, the technical solution of the present invention is as follows:
A kind of heat-resistant high-strength ceramics, are grouped as by the group of following parts by weight:
45~60 parts of petalite；
15~25 parts of spodumene；
8~13 parts of calcium oxide；
5~10 parts of silica；
3~6 parts of zirconium diboride；
0.5~1.5 part of alumina silicate fibre；
4~8 parts of feldspar；
2~4 parts of sodium humate；
3~8 parts of aluminium oxide；
4~8 parts of clay；
1~2 part of polyethylene glycol；
0.5~1.5 part of carboxymethyl cellulose；
0.5~1 part of PAM.
Further, the feldspar is potassium feldspar, albite or baryta fledspar.
Further, the calcium oxide is nanoscale calcium.
Further, the alumina silicate fibre is the flour powder that granularity is 300~400 mesh.
Further, the silica is nanometer grade silica.
Further, it is grouped as by the group of following parts by weight:
55 parts of petalite；
20 parts of spodumene；
11 parts of calcium oxide；
7 parts of silica；
4 parts of zirconium diboride；
1.2 parts of alumina silicate fibre；
6 parts of feldspar；
3 parts of sodium humate；
5 parts of aluminium oxide；
5 parts of clay；
1.6 parts of polyethylene glycol；
0.8 part of carboxymethyl cellulose；
0.7 part of PAM.
A kind of production technology of heat-resistant high-strength ceramics comprising following steps:
(1) respectively by metering weigh petalite, spodumene, calcium oxide, silica, zirconium diboride, alumina silicate fibre,
Then feldspar, sodium humate, aluminium oxide and clay it are sequentially added in wet ball mill machine, and water is added will be in wet bulb grinding machine
Material is adjusted to the slurry that solid content is 15%~20%, then carries out 2~3h of ball milling mixing；
(2) after above-mentioned ball milling, be sequentially added into the slurry of wet bulb grinding machine polyethylene glycol, carboxymethyl cellulose and
PAM, is then further continued for 1~2h of ball milling mixing, and after ball milling, slurry is carried out discharging sieving, and obtaining granularity is 130~150
Purpose mixed material；
(3) mixed material obtained above is staticly settled, then filter out precipitating and is made aqueous using filter press
The blank that rate is 23%~28%；
(4) blank obtained above is put into model element and carries out moulding into idiosome, then by idiosome natural air drying to vertical
Rise it is indeformable after, then idiosome is taken out from model element and is sent to kiln and is fired, the firing of the kiln is divided into three ranks
Section:
First stage: kiln temperature is warming up to 960~1020 DEG C from room temperature, keeps the temperature 3~3.5h；
Second stage: kiln temperature is warming up to 1150~1250 DEG C of progress constant temperature and fires 4~6h；
Phase III: after kiln temperature cooled to room temperature, can kiln discharge, be made needed for heat-resistant high-strength ceramics.
Further, the heating rate in temperature-rise period is 300~400 DEG C/h to the kiln in the first stage.
Further, the idiosome of the step (4) is sent into before kiln also by repairing embryo process, is repaired to idiosome surface blemish
It is whole.
A kind of ceramics comprising above-mentioned heat-resistant high-strength ceramics.
Using above-mentioned technical solution, the invention has the benefit that by using petalite, spodumene, calcium oxide,
Silica, zirconium diboride, alumina silicate fibre, feldspar, sodium humate, aluminium oxide and clay are raw material, are aided with polyethylene glycol, carboxylic
Methylcellulose and PAM make the ceramics prepared in conjunction with corresponding production technology as the compound preparation ceramics of auxiliary material progress
Material can have high heat resistance degree and high intensity, and not only structural strength is reliable for the production material as craftwork, additionally it is possible to keep away
Exempt from colliding in transportational process damage and to fall the probability of damage during playing and be greatly reduced.
Specific embodiment
A kind of heat-resistant high-strength ceramics, are grouped as by the group of following parts by weight:
45~60 parts of petalite；
15~25 parts of spodumene；
8~13 parts of calcium oxide；
5~10 parts of silica；
3~6 parts of zirconium diboride；
0.5~1.5 part of alumina silicate fibre；
4~8 parts of feldspar；
2~4 parts of sodium humate；
3~8 parts of aluminium oxide；
4~8 parts of clay；
1~2 part of polyethylene glycol；
0.5~1.5 part of carboxymethyl cellulose；
0.5~1 part of PAM.
Further, the feldspar is potassium feldspar, albite or baryta fledspar.
Further, the calcium oxide is nanoscale calcium.
Further, the alumina silicate fibre is the flour powder that granularity is 300~400 mesh.
Further, the silica is nanometer grade silica.
Further, it is grouped as by the group of following parts by weight:
55 parts of petalite；
20 parts of spodumene；
11 parts of calcium oxide；
7 parts of silica；
4 parts of zirconium diboride；
1.2 parts of alumina silicate fibre；
6 parts of feldspar；
3 parts of sodium humate；
5 parts of aluminium oxide；
5 parts of clay；
1.6 parts of polyethylene glycol；
0.8 part of carboxymethyl cellulose；
0.7 part of PAM.
A kind of production technology of heat-resistant high-strength ceramics comprising following steps:
(1) respectively by metering weigh petalite, spodumene, calcium oxide, silica, zirconium diboride, alumina silicate fibre,
Then feldspar, sodium humate, aluminium oxide and clay it are sequentially added in wet ball mill machine, and water is added will be in wet bulb grinding machine
Material is adjusted to the slurry that solid content is 15%~20%, then carries out 2~3h of ball milling mixing；
(2) after above-mentioned ball milling, be sequentially added into the slurry of wet bulb grinding machine polyethylene glycol, carboxymethyl cellulose and
PAM, is then further continued for 1~2h of ball milling mixing, and after ball milling, slurry is carried out discharging sieving, and obtaining granularity is 130~150
Purpose mixed material；
(3) mixed material obtained above is staticly settled, then filter out precipitating and is made aqueous using filter press
The blank that rate is 23%~28%；
(4) blank obtained above is put into model element and carries out moulding into idiosome, then by idiosome natural air drying to vertical
Rise it is indeformable after, then idiosome is taken out from model element and is sent to kiln and is fired, the firing of the kiln is divided into three ranks
Section:
First stage: kiln temperature is warming up to 960~1020 DEG C from room temperature, keeps the temperature 3~3.5h；
Second stage: kiln temperature is warming up to 1150~1250 DEG C of progress constant temperature and fires 4~6h；
Phase III: after kiln temperature cooled to room temperature, can kiln discharge, be made needed for heat-resistant high-strength ceramics.
Further, the heating rate in temperature-rise period is 300~400 DEG C/h to the kiln in the first stage.
Further, the idiosome of the step (4) is sent into before kiln also by repairing embryo process, is repaired to idiosome surface blemish
It is whole.
A kind of ceramics comprising above-mentioned heat-resistant high-strength ceramics.
Embodiment 1
A kind of production technology of heat-resistant high-strength ceramics comprising following steps:
(1) 45 parts of petalites, 25 parts of spodumenes, 10 parts of nanoscale calcium, 5 parts of nanoscales two are weighed by metering respectively
Silica, 3 parts of zirconium diborides, the alumina silicate fibre that 0.5 part of granularity is 300 mesh, 4 parts of baryta fledspars, 2 parts of sodium humates, 3 parts of oxidations
Aluminium and 6 parts of clays, then it is sequentially added in wet ball mill machine, and water is added, the material in wet bulb grinding machine is adjusted to solid content
For 15%~17% slurry, ball milling mixing 2h is then carried out；
(2) after above-mentioned ball milling, 1.5 parts of polyethylene glycol, 0.5 part of carboxymethyl are sequentially added into the slurry of wet bulb grinding machine
Cellulose and 0.5 part of PAM, are then further continued for ball milling mixing 1h, after ball milling, slurry are carried out discharging sieving, obtains granularity
For the mixed material of 130~150 mesh；
(3) mixed material obtained above is staticly settled, then filter out precipitating and is made aqueous using filter press
The blank that rate is 23%~25%；
(4) blank obtained above is put into model element and carries out moulding into idiosome, then by idiosome natural air drying to vertical
Rise it is indeformable after, then by idiosome from taken out in model element carry out idiosome surface blemish finishing again after be sent to kiln and be fired,
The firing of the kiln was divided into for three stages:
First stage: kiln temperature is warming up to 960 DEG C from room temperature with the heating rate of 300 DEG C/h, keeps the temperature 3.5h；
Second stage: kiln temperature is warming up to 1200 DEG C of progress constant temperature and fires 5h；
Phase III: after kiln temperature cooled to room temperature, can kiln discharge, be made needed for heat-resistant high-strength ceramics.
Being fired into specification with the ceramic material of the present embodiment is that 10cmX3cm test bars are tested for the property, and is obtained
As a result are as follows: test bars are resistant to 1200 DEG C of high temperature, and thermal expansion coefficient is minimum, and thermal shock resistance is excellent, at 1200~25 DEG C
Between carry out heat exchange 15 times without splitting, and its lead, chromium the amount of dissolution and radioactive element content meet national standard.
Embodiment 2
A kind of production technology of heat-resistant high-strength ceramics comprising following steps:
(1) 55 parts of petalites, 20 parts of spodumenes, 11 parts of nanoscale calcium, 7 parts of nanoscales two are weighed by metering respectively
Silica, 4 parts of zirconium diborides, the alumina silicate fibre that 1.2 parts of granularities are 350 mesh, 6 parts of albites, 3 parts of sodium humates, 5 parts of oxidations
Aluminium and 5 parts of clays, then it is sequentially added in wet ball mill machine, and water is added, the material in wet bulb grinding machine is adjusted to solid content
For 16%~18% slurry, ball milling mixing 2.5h is then carried out；
(2) after above-mentioned ball milling, 1.6 parts of polyethylene glycol, 0.8 part of carboxymethyl are sequentially added into the slurry of wet bulb grinding machine
Cellulose and 0.7 part of PAM, are then further continued for ball milling mixing 1.5h, after ball milling, slurry are carried out discharging sieving, obtains grain
Degree is the mixed material of 130~150 mesh；
(3) mixed material obtained above is staticly settled, then filter out precipitating and is made aqueous using filter press
The blank that rate is 24%~27%；
(4) blank obtained above is put into model element and carries out moulding into idiosome, then by idiosome natural air drying to vertical
Rise it is indeformable after, then by idiosome from taken out in model element carry out idiosome surface blemish finishing again after be sent to kiln and be fired,
The firing of the kiln was divided into for three stages:
First stage: kiln temperature is warming up to 1020 DEG C from room temperature with the heating rate of 350 DEG C/h, keeps the temperature 3h；
Second stage: kiln temperature is warming up to 1250 DEG C of progress constant temperature and fires 4h；
Phase III: after kiln temperature cooled to room temperature, can kiln discharge, be made needed for heat-resistant high-strength ceramics.
Being fired into specification with the ceramic material of the present embodiment is that 10cmX3cm test bars are tested for the property, and is obtained
As a result are as follows: test bars are resistant to 1230 DEG C of high temperature, and thermal expansion coefficient is minimum, and thermal shock resistance is excellent, at 1230~25 DEG C
Between carry out heat exchange ten times without splitting, and its lead, chromium the amount of dissolution and radioactive element content meet national standard.
Embodiment 3
A kind of production technology of heat-resistant high-strength ceramics comprising following steps:
(1) 60 parts of petalites, 15 parts of spodumenes, 13 parts of nanoscale calcium, 10 parts of nanoscales are weighed by metering respectively
Silica, 6 parts of zirconium diborides, alumina silicate fibre, 8 parts of potassium feldspars, 4 parts of sodium humates, the 8 parts of oxygen that 1.5 parts of granularities are 400 mesh
Change aluminium and 8 parts of clays, then it is sequentially added in wet ball mill machine, and water is added and is adjusted to contain admittedly by the material in wet bulb grinding machine
Then the slurry that amount is 16%~20% carries out ball milling mixing 3h；
(2) after above-mentioned ball milling, 2 parts of polyethylene glycol, 1.5 parts of carboxymethyl fibres are sequentially added into the slurry of wet bulb grinding machine
Dimension element and 1 part of PAM, are then further continued for ball milling mixing 2h, and after ball milling, slurry is carried out discharging sieving, and obtaining granularity is 130
The mixed material of~150 mesh；
(3) mixed material obtained above is staticly settled, then filter out precipitating and is made aqueous using filter press
The blank that rate is 24%~28%；
(4) blank obtained above is put into model element and carries out moulding into idiosome, then by idiosome natural air drying to vertical
Rise it is indeformable after, then by idiosome from taken out in model element carry out idiosome surface blemish finishing again after be sent to kiln and be fired,
The firing of the kiln was divided into for three stages:
First stage: kiln temperature is warming up to 1000 DEG C from room temperature with the heating rate of 400 DEG C/h, keeps the temperature 3.2h；
Second stage: kiln temperature is warming up to 1100 DEG C of progress constant temperature and fires 6h；
Phase III: after kiln temperature cooled to room temperature, can kiln discharge, be made needed for heat-resistant high-strength ceramics.
Being fired into specification with the ceramic material of the present embodiment is that 10cmX3cm test bars are tested for the property, and is obtained
As a result are as follows: test bars are resistant to 1220 DEG C of high temperature, and thermal expansion coefficient is minimum, and thermal shock resistance is excellent, at 1220~25 DEG C
Between carry out heat exchange 15 times without splitting, and its lead, chromium the amount of dissolution and radioactive element content meet national standard.
Embodiment 4
A kind of production technology of heat-resistant high-strength ceramics comprising following steps:
(1) 50 parts of petalites, 18 parts of spodumenes, 8 parts of nanoscale calcium, 8 parts of nanoscales two are weighed by metering respectively
Silica, 4 parts of zirconium diborides, alumina silicate fibre, 6 parts of potassium feldspars, 2.5 parts of sodium humates, the 5 parts of oxygen that 0.8 part of granularity is 350 mesh
Change aluminium and 4 parts of clays, then it is sequentially added in wet ball mill machine, and water is added and is adjusted to contain admittedly by the material in wet bulb grinding machine
Then the slurry that amount is 15%~18% carries out ball milling mixing 2.5h；
(2) after above-mentioned ball milling, 1 part of polyethylene glycol, 0.9 part of carboxymethyl fibre are sequentially added into the slurry of wet bulb grinding machine
Dimension element and 0.6 part of PAM, are then further continued for ball milling mixing 1.5h, after ball milling, slurry are carried out discharging sieving, obtains granularity
For the mixed material of 130~150 mesh；
(3) mixed material obtained above is staticly settled, then filter out precipitating and is made aqueous using filter press
The blank that rate is 24%~26%；
(4) blank obtained above is put into model element and carries out moulding into idiosome, then by idiosome natural air drying to vertical
Rise it is indeformable after, then by idiosome from taken out in model element carry out idiosome surface blemish finishing again after be sent to kiln and be fired,
The firing of the kiln was divided into for three stages:
First stage: kiln temperature is warming up to 980 DEG C from room temperature with the heating rate of 330 DEG C/h, keeps the temperature 3.5h；
Second stage: kiln temperature is warming up to 1150 DEG C of progress constant temperature and fires 4h；
Phase III: after kiln temperature cooled to room temperature, can kiln discharge, be made needed for heat-resistant high-strength ceramics.
Being fired into specification with the ceramic material of the present embodiment is that 10cmX3cm test bars are tested for the property, and is obtained
As a result are as follows: test bars are resistant to 1200 DEG C of high temperature, and thermal expansion coefficient is minimum, and thermal shock resistance is excellent, at 1200~25 DEG C
Between carry out heat exchange ten three times without splitting, and its lead, chromium the amount of dissolution and radioactive element content meet national standard.
The above is the embodiment of the present invention, for the ordinary skill in the art, religion according to the present invention
Lead, without departing from the principles and spirit of the present invention all equivalent changes done according to scope of the present invention patent, repair
Change, replacement and variant, is all covered by the present invention.
Claims (9)
1. a kind of production technology of heat-resistant high-strength ceramics, it is characterised in that: its raw material is grouped as by the group of following parts by weight:
45~60 parts of petalite；
15~25 parts of spodumene；
8~13 parts of calcium oxide；
5~10 parts of silica；
3~6 parts of zirconium diboride；
0.5~1.5 part of alumina silicate fibre；
4~8 parts of feldspar；
2~4 parts of sodium humate；
3~8 parts of aluminium oxide；
4~8 parts of clay；
1~2 part of polyethylene glycol；
0.5~1.5 part of carboxymethyl cellulose；
0.5~1 part of PAM；
Its production technology includes the following steps:
(1) petalite, spodumene, calcium oxide, silica, zirconium diboride, alumina silicate fibre, length are weighed by metering respectively
Then stone, sodium humate, aluminium oxide and clay it are sequentially added in wet ball mill machine, and water is added by the object in wet bulb grinding machine
Material is adjusted to the slurry that solid content is 15%~20%, then carries out 2~3h of ball milling mixing；
(2) after above-mentioned ball milling, polyethylene glycol, carboxymethyl cellulose and PAM are sequentially added into the slurry of wet bulb grinding machine, so
After be further continued for 1~2h of ball milling mixing, after ball milling, slurry is subjected to discharging sieving, it is mixed for 130~150 purposes to obtain granularity
Close material；
(3) mixed material obtained above is staticly settled, then filters out precipitating and moisture content is made using filter press and is
23%~28% blank；
(4) blank obtained above is put into model element and carries out moulding at idiosome, then not by idiosome natural air drying to standing
After deformation, then idiosome is taken out from model element and is sent to kiln and is fired, the firing of the kiln was divided into for three stages:
First stage: kiln temperature is warming up to 960~1020 DEG C from room temperature, keeps the temperature 3~3.5h；
Second stage: kiln temperature is warming up to 1150~1250 DEG C of progress constant temperature and fires 4~6h；
Phase III: after kiln temperature cooled to room temperature, can kiln discharge, be made needed for heat-resistant high-strength ceramics.
2. a kind of production technology of heat-resistant high-strength ceramics according to claim 1, it is characterised in that: the feldspar is
Potassium feldspar, albite or baryta fledspar.
3. a kind of production technology of heat-resistant high-strength ceramics according to claim 1, it is characterised in that: the calcium oxide
For nanoscale calcium.
4. a kind of production technology of heat-resistant high-strength ceramics according to claim 1, it is characterised in that: the alumina silicate
Fiber is the flour powder that granularity is 300~400 mesh.
5. a kind of production technology of heat-resistant high-strength ceramics according to claim 1, it is characterised in that: the titanium dioxide
Silicon is nanometer grade silica.
6. a kind of production technology of heat-resistant high-strength ceramics according to claim 1, it is characterised in that: its raw material is by as follows
The group of parts by weight is grouped as:
55 parts of petalite；
20 parts of spodumene；
11 parts of calcium oxide；
7 parts of silica；
4 parts of zirconium diboride；
1.2 parts of alumina silicate fibre；
6 parts of feldspar；
3 parts of sodium humate；
5 parts of aluminium oxide；
5 parts of clay；
1.6 parts of polyethylene glycol；
0.8 part of carboxymethyl cellulose；
0.7 part of PAM.
7. a kind of production technology of heat-resistant high-strength ceramics according to claim 1, it is characterised in that: the kiln exists
Heating rate in first stage temperature-rise period is 300~400 DEG C/h.
8. a kind of production technology of heat-resistant high-strength ceramics according to claim 1, it is characterised in that: the step (4)
Idiosome be sent into before kiln also by repairing embryo process, idiosome surface blemish is modified.
9. a kind of ceramics, it is characterised in that: it uses any heat-resistant high-strength ceramics of claim 1 to 6
Production technology.
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|---|---|---|---|---|
| CN1097405A (en) * | 1993-06-29 | 1995-01-18 | 睢宁县砂轮厂 | Wear-proof, corrosion-proof and high-strength ceramic material |
| CN102482166A (en) * | 2009-04-23 | 2012-05-30 | 圣戈班工业陶瓷罗登塔尔有限责任公司 | Method for preparing of ceramic shaped part, apparatus and use thereof |
| CN103786103A (en) * | 2014-01-10 | 2014-05-14 | 当涂县南方红月磨具磨料有限公司 | Toughened heat-resistant ceramic CBN (cubic boron nitride) grinding wheel |
| CN104418585A (en) * | 2013-08-29 | 2015-03-18 | 孙即杰 | High-temperature molding process for ceramic and colored glaze |
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2017
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097405A (en) * | 1993-06-29 | 1995-01-18 | 睢宁县砂轮厂 | Wear-proof, corrosion-proof and high-strength ceramic material |
| CN102482166A (en) * | 2009-04-23 | 2012-05-30 | 圣戈班工业陶瓷罗登塔尔有限责任公司 | Method for preparing of ceramic shaped part, apparatus and use thereof |
| CN104418585A (en) * | 2013-08-29 | 2015-03-18 | 孙即杰 | High-temperature molding process for ceramic and colored glaze |
| CN103786103A (en) * | 2014-01-10 | 2014-05-14 | 当涂县南方红月磨具磨料有限公司 | Toughened heat-resistant ceramic CBN (cubic boron nitride) grinding wheel |
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Application publication date: 20170804 Assignee: Fujian Dehua jinlifeng Ceramics Co.,Ltd. Assignor: DEYI CULTURAL AND CREATIVE GROUP Co.,Ltd. Contract record no.: X2023980039211 Denomination of invention: A heat-resistant and high-strength ceramic and its production process and application Granted publication date: 20190702 License type: Common License Record date: 20230816 |